Table of Integrals, Series, and Products Seventh Edition This page intentionally left blank Table of Integrals, Series, and Products Seventh Edition I.S. Gradshteyn and I.M. Ryzhik Alan Jeffrey, Editor University of Newcastle upon Tyne, England Daniel Zwillinger, Editor Rensselaer Polytechnic Institute, USA Translated from Russian by Scripta Technica, Inc. AMSTERDAM • BOSTON • HEIDELBERG • LONDON NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO Academic Press is an imprint of Elsevier Academic Press is an imprint of Elsevier 30 Corporate Drive, Suite 400, Burlington, MA 01803, USA 525 B Street, Suite 1900, San Diego, California 92101-4495, USA 84 Theobald’s Road, London WC1X 8RR, UK ∞ This book is printed on acid-free paper. c 2007, Elsevier Inc. All rights reserved. Copyright No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Permissions may be sought directly from Elsevier’s Science & Technology Rights Department in Oxford, UK: phone: (+44) 1865 843830, fax: (+44) 1865 853333, E-mail: [email protected]. You may also complete your request online via the Elsevier homepage (http://elsevier.com), by selecting “Support & Contact” then “Copyright and Permission” and then “Obtaining Permissions.” For information on all Elsevier Academic Press publications visit our Web site at www.books.elsevier.com ISBN-13: 978-0-12-373637-6 ISBN-10: 0-12-373637-4 PRINTED IN THE UNITED STATES OF AMERICA 07 08 09 10 11 9 8 7 6 5 4 3 2 1 Contents Preface to the Seventh Edition Acknowledgments The Order of Presentation of the Formulas Use of the Tables Index of Special Functions Notation Note on the Bibliographic References 0 Introduction 0.1 0.11 0.12 0.13 0.14 0.15 0.2 0.21 0.22 0.23–0.24 0.25 0.26 0.3 0.30 0.31 0.32 0.33 0.4 0.41 0.42 0.43 0.44 1 xxi xxiii xxvii xxxi xxxix xliii xlvii Finite Sums . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Progressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sums of powers of natural numbers . . . . . . . . . . . . . . . . Sums of reciprocals of natural numbers . . . . . . . . . . . . . . Sums of products of reciprocals of natural numbers . . . . . . . Sums of the binomial coefficients . . . . . . . . . . . . . . . . . Numerical Series and Infinite Products . . . . . . . . . . . . . . The convergence of numerical series . . . . . . . . . . . . . . . Convergence tests . . . . . . . . . . . . . . . . . . . . . . . . . Examples of numerical series . . . . . . . . . . . . . . . . . . . Infinite products . . . . . . . . . . . . . . . . . . . . . . . . . . Examples of infinite products . . . . . . . . . . . . . . . . . . . Functional Series . . . . . . . . . . . . . . . . . . . . . . . . . . Definitions and theorems . . . . . . . . . . . . . . . . . . . . . . Power series . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fourier series . . . . . . . . . . . . . . . . . . . . . . . . . . . . Asymptotic series . . . . . . . . . . . . . . . . . . . . . . . . . . Certain Formulas from Differential Calculus . . . . . . . . . . . . Differentiation of a definite integral with respect to a parameter . The nth derivative of a product (Leibniz’s rule) . . . . . . . . . . The nth derivative of a composite function . . . . . . . . . . . . Integration by substitution . . . . . . . . . . . . . . . . . . . . . Elementary Functions Power of Binomials . . . . 1.11 Power series . . . . . . . 1.12 Series of rational fractions 1.2 The Exponential Function 1.1 . . . . . . . . . . . . . . . . v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 1 1 3 3 3 6 6 6 8 14 14 15 15 16 19 21 21 21 22 22 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 25 25 26 26 vi CONTENTS 1.21 1.22 1.23 1.3–1.4 1.30 1.31 1.32 1.33 1.34 1.35 1.36 1.37 1.38 1.39 1.41 1.42 1.43 1.44–1.45 1.46 1.47 1.48 1.49 1.5 1.51 1.52 1.6 1.61 1.62–1.63 1.64 2 Series representation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Functional relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Series of exponentials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Trigonometric and Hyperbolic Functions . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The basic functional relations . . . . . . . . . . . . . . . . . . . . . . . . . . . The representation of powers of trigonometric and hyperbolic functions in terms of functions of multiples of the argument (angle) . . . . . . . . . . . . . . . . . The representation of trigonometric and hyperbolic functions of multiples of the argument (angle) in terms of powers of these functions . . . . . . . . . . . Certain sums of trigonometric and hyperbolic functions . . . . . . . . . . . . . Sums of powers of trigonometric functions of multiple angles . . . . . . . . . . Sums of products of trigonometric functions of multiple angles . . . . . . . . . Sums of tangents of multiple angles . . . . . . . . . . . . . . . . . . . . . . . . Sums leading to hyperbolic tangents and cotangents . . . . . . . . . . . . . . . The representation of cosines and sines of multiples of the angle as finite products The expansion of trigonometric and hyperbolic functions in power series . . . . Expansion in series of simple fractions . . . . . . . . . . . . . . . . . . . . . . Representation in the form of an infinite product . . . . . . . . . . . . . . . . . Trigonometric (Fourier) series . . . . . . . . . . . . . . . . . . . . . . . . . . . Series of products of exponential and trigonometric functions . . . . . . . . . . Series of hyperbolic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . Lobachevskiy’s “Angle of Parallelism” Π(x) . . . . . . . . . . . . . . . . . . . The hyperbolic amplitude (the Gudermannian) gd x . . . . . . . . . . . . . . . The Logarithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Series representation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Series of logarithms (cf. 1.431) . . . . . . . . . . . . . . . . . . . . . . . . . . The Inverse Trigonometric and Hyperbolic Functions . . . . . . . . . . . . . . . The domain of definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Functional relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Series representations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indefinite Integrals of Elementary Functions Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.00 General remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.01 The basic integrals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.02 General formulas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 Rational Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.10 General integration rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.11–2.13 Forms containing the binomial a + bxk . . . . . . . . . . . . . . . . . . . . . . 2.14 Forms containing the binomial 1 ± xn . . . . . . . . . . . . . . . . . . . . . . 2.15 Forms containing pairs of binomials: a + bx and α + βx . . . . . . . . . . . . . 2.16 Forms containing the trinomial a + bxk + cx2k . . . . . . . . . . . . . . . . . . 2.17 Forms containing the quadratic trinomial a + bx + cx2 and powers of x . . . . 2.18 Forms containing the quadratic trinomial a + bx + cx2 and the binomial α + βx 2.2 Algebraic Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.20 Introduction . . . . . . . . . . . . . . . . .√. . . . . . . . . . . . . . . . . . . 2.21 Forms containing the binomial a + bxk and x . . . . . . . . . . . . . . . . . 2.0 26 27 27 28 28 28 31 33 36 37 38 39 39 41 42 44 45 46 51 51 51 52 53 53 55 56 56 56 60 63 63 63 64 65 66 66 68 74 78 78 79 81 82 82 83 CONTENTS 2.22–2.23 2.24 2.25 2.26 2.27 2.28 2.29 2.3 2.31 2.32 2.4 2.41–2.43 2.44–2.45 2.46 2.47 2.48 2.5–2.6 2.50 2.51–2.52 2.53–2.54 2.55–2.56 2.57 2.58–2.62 2.63–2.65 2.66 2.67 2.7 2.71 2.72–2.73 2.74 2.8 2.81 2.82 2.83 2.84 2.85 vii n Forms containing √ (a + bx)k . . . . . . . . . . . . . . . . . . . . . . . . . . Forms containing √a + bx and the binomial α + βx . . . . . . . . . . . . . . Forms containing √a + bx + cx2 . . . . . . . . . . . . . . . . . . . . . . . . Forms containing √a + bx + cx2 and integral powers of x . . . . . . . . . . . Forms containing √a + cx2 and integral powers of x . . . . . . . . . . . . . . Forms containing a + bx + cx2 and first- and second-degree polynomials . . Integrals that can be reduced to elliptic or pseudo-elliptic integrals . . . . . . The Exponential Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . Forms containing eax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The exponential combined with rational functions of x . . . . . . . . . . . . . Hyperbolic Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Powers of sinh x, cosh x, tanh x, and coth x . . . . . . . . . . . . . . . . . . Rational functions of hyperbolic functions . . . . . . . . . . . . . . . . . . . Algebraic functions of hyperbolic functions . . . . . . . . . . . . . . . . . . . Combinations of hyperbolic functions and powers . . . . . . . . . . . . . . . Combinations of hyperbolic functions, exponentials, and powers . . . . . . . . Trigonometric Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Powers of trigonometric functions . . . . . . . . . . . . . . . . . . . . . . . . Sines and cosines of multiple angles and of linear and more complicated functions of the argument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rational functions of√the sine and cosine . . . . . . . . . . . . . . . . . . . . √ Integrals containing a ± b sin x or a ± b cos x . . . . . . . . . . . . . . . . Integrals reducible to elliptic and pseudo-elliptic integrals . . . . . . . . . . . Products of trigonometric functions and powers . . . . . . . . . . . . . . . . Combinations of trigonometric functions and exponentials . . . . . . . . . . . Combinations of trigonometric and hyperbolic functions . . . . . . . . . . . . Logarithms and Inverse-Hyperbolic Functions . . . . . . . . . . . . . . . . . . The logarithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Combinations of logarithms and algebraic functions . . . . . . . . . . . . . . Inverse hyperbolic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . Inverse Trigonometric Functions . . . . . . . . . . . . . . . . . . . . . . . . . Arcsines and arccosines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The arcsecant, the arccosecant, the arctangent, and the arccotangent . . . . Combinations of arcsine or arccosine and algebraic functions . . . . . . . . . . Combinations of the arcsecant and arccosecant with powers of x . . . . . . . Combinations of the arctangent and arccotangent with algebraic functions . . 3–4 Definite Integrals of Elementary Functions 3.0 Introduction . . . . . . . . . . . . . . . 3.01 Theorems of a general nature . . . . . . 3.02 Change of variable in a definite integral . 3.03 General formulas . . . . . . . . . . . . . 3.04 Improper integrals . . . . . . . . . . . . 3.05 The principal values of improper integrals 3.1–3.2 Power and Algebraic Functions . . . . . 3.11 Rational functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 88 92 94 99 103 104 106 106 106 110 110 125 132 139 148 151 151 151 . . . . . . . . . . . . . . . . . 161 171 179 184 214 227 231 237 237 238 240 241 241 242 242 244 244 . . . . . . . . 247 247 247 248 249 251 252 253 253 viii CONTENTS 3.12 3.13–3.17 3.18 3.19–3.23 3.24–3.27 3.3–3.4 3.31 3.32–3.34 3.35 3.36–3.37 3.38–3.39 3.41–3.44 3.45 3.46–3.48 3.5 3.51 3.52–3.53 3.54 3.55–3.56 3.6–4.1 3.61 3.62 3.63 3.64–3.65 3.66 3.67 3.68 3.69–3.71 3.72–3.74 3.75 3.76–3.77 3.78–3.81 3.82–3.83 3.84 3.85–3.88 3.89–3.91 3.92 3.93 3.94–3.97 3.98–3.99 4.11–4.12 4.13 Products of rational functions and expressions that can be reduced to square roots of first- and second-degree polynomials . . . . . . . . . . . . . . . . . . . Expressions that can be reduced to square roots of third- and fourth-degree polynomials and their products with rational functions . . . . . . . . . . . . . . Expressions that can be reduced to fourth roots of second-degree polynomials and their products with rational functions . . . . . . . . . . . . . . . . . . . . . Combinations of powers of x and powers of binomials of the form (α + βx) . . Powers of x, of binomials of the form α + βxp and of polynomials in x . . . . . Exponential Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exponential functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exponentials of more complicated arguments . . . . . . . . . . . . . . . . . . . Combinations of exponentials and rational functions . . . . . . . . . . . . . . . Combinations of exponentials and algebraic functions . . . . . . . . . . . . . . Combinations of exponentials and arbitrary powers . . . . . . . . . . . . . . . . Combinations of rational functions of powers and exponentials . . . . . . . . . Combinations of powers and algebraic functions of exponentials . . . . . . . . . Combinations of exponentials of more complicated arguments and powers . . . Hyperbolic Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hyperbolic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Combinations of hyperbolic functions and algebraic functions . . . . . . . . . . Combinations of hyperbolic functions and exponentials . . . . . . . . . . . . . Combinations of hyperbolic functions, exponentials, and powers . . . . . . . . . Trigonometric Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rational functions of sines and cosines and trigonometric functions of multiple angles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Powers of trigonometric functions . . . . . . . . . . . . . . . . . . . . . . . . . Powers of trigonometric functions and trigonometric functions of linear functions Powers and rational functions of trigonometric functions . . . . . . . . . . . . . Forms containing powers of linear functions of trigonometric functions . . . . . Square roots of expressions containing trigonometric functions . . . . . . . . . Various forms of powers of trigonometric functions . . . . . . . . . . . . . . . . Trigonometric functions of more complicated arguments . . . . . . . . . . . . . Combinations of trigonometric and rational functions . . . . . . . . . . . . . . Combinations of trigonometric and algebraic functions . . . . . . . . . . . . . . Combinations of trigonometric functions and powers . . . . . . . . . . . . . . . Rational functions of x and of trigonometric functions . . . . . . . . . . . . . . Powers of trigonometric with other powers . . . . . . . . . functions combined √ 2 2 2 Integrals containing 1 − k sin x, 1 − k cos2 x, and similar expressions . . Trigonometric functions of more complicated arguments combined with powers Trigonometric functions and exponentials . . . . . . . . . . . . . . . . . . . . . Trigonometric functions of more complicated arguments combined with exponentials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Trigonometric and exponential functions of trigonometric functions . . . . . . . Combinations involving trigonometric functions, exponentials, and powers . . . Combinations of trigonometric and hyperbolic functions . . . . . . . . . . . . . Combinations involving trigonometric and hyperbolic functions and powers . . . Combinations of trigonometric and hyperbolic functions and exponentials . . . . 254 254 313 315 322 334 334 336 340 344 346 353 363 364 371 371 375 382 386 390 390 395 397 401 405 408 411 415 423 434 436 447 459 472 475 485 493 495 497 509 516 522 CONTENTS 4.14 4.2–4.4 4.21 4.22 4.23 4.24 4.25 4.26–4.27 4.28 4.29–4.32 4.33–4.34 4.35–4.36 4.37 4.38–4.41 4.42–4.43 4.44 4.5 4.51 4.52 4.53–4.54 4.55 4.56 4.57 4.58 4.59 4.6 4.60 4.61 4.62 4.63–4.64 5 ix Combinations of trigonometric and hyperbolic functions, exponentials, and powers Logarithmic Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Logarithmic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Logarithms of more complicated arguments . . . . . . . . . . . . . . . . . . . . Combinations of logarithms and rational functions . . . . . . . . . . . . . . . . Combinations of logarithms and algebraic functions . . . . . . . . . . . . . . . Combinations of logarithms and powers . . . . . . . . . . . . . . . . . . . . . . Combinations involving powers of the logarithm and other powers . . . . . . . . Combinations of rational functions of ln x and powers . . . . . . . . . . . . . . Combinations of logarithmic functions of more complicated arguments and powers Combinations of logarithms and exponentials . . . . . . . . . . . . . . . . . . . Combinations of logarithms, exponentials, and powers . . . . . . . . . . . . . . Combinations of logarithms and hyperbolic functions . . . . . . . . . . . . . . . Logarithms and trigonometric functions . . . . . . . . . . . . . . . . . . . . . . Combinations of logarithms, trigonometric functions, and powers . . . . . . . . Combinations of logarithms, trigonometric functions, and exponentials . . . . . Inverse Trigonometric Functions . . . . . . . . . . . . . . . . . . . . . . . . . . Inverse trigonometric functions . . . . . . . . . . . . . . . . . . . . . . . . . . Combinations of arcsines, arccosines, and powers . . . . . . . . . . . . . . . . . Combinations of arctangents, arccotangents, and powers . . . . . . . . . . . . . Combinations of inverse trigonometric functions and exponentials . . . . . . . . A combination of the arctangent and a hyperbolic function . . . . . . . . . . . Combinations of inverse and direct trigonometric functions . . . . . . . . . . . A combination involving an inverse and a direct trigonometric function and a power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Combinations of inverse trigonometric functions and logarithms . . . . . . . . . Multiple Integrals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Change of variables in multiple integrals . . . . . . . . . . . . . . . . . . . . . Change of the order of integration and change of variables . . . . . . . . . . . Double and triple integrals with constant limits . . . . . . . . . . . . . . . . . . Multiple integrals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indefinite Integrals of Special Functions Elliptic Integrals and Functions . . . . . . . . . . . . . . . . Complete elliptic integrals . . . . . . . . . . . . . . . . . . . 5.11 5.12 Elliptic integrals . . . . . . . . . . . . . . . . . . . . . . . . 5.13 Jacobian elliptic functions . . . . . . . . . . . . . . . . . . . 5.14 Weierstrass elliptic functions . . . . . . . . . . . . . . . . . . 5.2 The Exponential Integral Function . . . . . . . . . . . . . . 5.21 The exponential integral function . . . . . . . . . . . . . . . 5.22 Combinations of the exponential integral function and powers 5.23 Combinations of the exponential integral and the exponential 5.3 The Sine Integral and the Cosine Integral . . . . . . . . . . . 5.4 The Probability Integral and Fresnel Integrals . . . . . . . . . 5.5 Bessel Functions . . . . . . . . . . . . . . . . . . . . . . . . 5.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525 527 527 529 535 538 540 542 553 555 571 573 578 581 594 599 599 599 600 601 605 605 605 607 607 607 607 608 610 612 619 619 619 621 623 626 627 627 627 628 628 629 629 x CONTENTS 6–7 Definite Integrals of Special Functions 6.1 Elliptic Integrals and Functions . . . . . . . . . . . . . . . . . . . . . . . . . 6.11 Forms containing F (x, k) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.12 Forms containing E (x, k) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.13 Integration of elliptic integrals with respect to the modulus . . . . . . . . . . 6.14–6.15 Complete elliptic integrals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.16 The theta function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.17 Generalized elliptic integrals . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.2–6.3 The Exponential Integral Function and Functions Generated by It . . . . . . . 6.21 The logarithm integral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.22–6.23 The exponential integral function . . . . . . . . . . . . . . . . . . . . . . . . 6.24–6.26 The sine integral and cosine integral functions . . . . . . . . . . . . . . . . . 6.27 The hyperbolic sine integral and hyperbolic cosine integral functions . . . . . 6.28–6.31 The probability integral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.32 Fresnel integrals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4 The Gamma Function and Functions Generated by It . . . . . . . . . . . . . 6.41 The gamma function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.42 Combinations of the gamma function, the exponential, and powers . . . . . . 6.43 Combinations of the gamma function and trigonometric functions . . . . . . . 6.44 The logarithm of the gamma function∗ . . . . . . . . . . . . . . . . . . . . . 6.45 The incomplete gamma function . . . . . . . . . . . . . . . . . . . . . . . . 6.46–6.47 The function ψ(x) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5–6.7 Bessel Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.51 Bessel functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.52 Bessel functions combined with x and x2 . . . . . . . . . . . . . . . . . . . . 6.53–6.54 Combinations of Bessel functions and rational functions . . . . . . . . . . . . 6.55 Combinations of Bessel functions and algebraic functions . . . . . . . . . . . 6.56–6.58 Combinations of Bessel functions and powers . . . . . . . . . . . . . . . . . . 6.59 Combinations of powers and Bessel functions of more complicated arguments 6.61 Combinations of Bessel functions and exponentials . . . . . . . . . . . . . . . 6.62–6.63 Combinations of Bessel functions, exponentials, and powers . . . . . . . . . . 6.64 Combinations of Bessel functions of more complicated arguments, exponentials, and powers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.65 Combinations of Bessel and exponential functions of more complicated arguments and powers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.66 Combinations of Bessel, hyperbolic, and exponential functions . . . . . . . . . 6.67–6.68 Combinations of Bessel and trigonometric functions . . . . . . . . . . . . . . 6.69–6.74 Combinations of Bessel and trigonometric functions and powers . . . . . . . . 6.75 Combinations of Bessel, trigonometric, and exponential functions and powers 6.76 Combinations of Bessel, trigonometric, and hyperbolic functions . . . . . . . 6.77 Combinations of Bessel functions and the logarithm, or arctangent . . . . . . 6.78 Combinations of Bessel and other special functions . . . . . . . . . . . . . . . 6.79 Integration of Bessel functions with respect to the order . . . . . . . . . . . . 6.8 Functions Generated by Bessel Functions . . . . . . . . . . . . . . . . . . . . 6.81 Struve functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.82 Combinations of Struve functions, exponentials, and powers . . . . . . . . . . 6.83 Combinations of Struve and trigonometric functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 631 631 631 632 632 632 633 635 636 636 638 639 644 645 649 650 650 652 655 656 657 658 659 659 664 670 674 675 689 694 699 . 708 . . . . . . . . . . . . . 711 713 717 727 742 747 747 748 749 753 753 754 755 CONTENTS 6.84–6.85 6.86 6.87 6.9 6.91 6.92 6.93 6.94 7.1–7.2 7.11 7.12–7.13 7.14 7.15 7.16 7.17 7.18 7.19 7.21 7.22 7.23 7.24 7.25 7.3–7.4 7.31 7.32 7.325∗ 7.33 7.34 7.35 7.36 7.37–7.38 7.39 7.41–7.42 7.5 7.51 7.52 7.53 7.54 7.6 7.61 7.62–7.63 7.64 7.65 xi Combinations of Struve and Bessel functions . . . . . . . . . . . . . . . . . . . Lommel functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thomson functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mathieu Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mathieu functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Combinations of Mathieu, hyperbolic, and trigonometric functions . . . . . . . Combinations of Mathieu and Bessel functions . . . . . . . . . . . . . . . . . . Relationships between eigenfunctions of the Helmholtz equation in different coordinate systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Associated Legendre Functions . . . . . . . . . . . . . . . . . . . . . . . . . . Associated Legendre functions . . . . . . . . . . . . . . . . . . . . . . . . . . . Combinations of associated Legendre functions and powers . . . . . . . . . . . Combinations of associated Legendre functions, exponentials, and powers . . . Combinations of associated Legendre and hyperbolic functions . . . . . . . . . Combinations of associated Legendre functions, powers, and trigonometric functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A combination of an associated Legendre function and the probability integral . Combinations of associated Legendre and Bessel functions . . . . . . . . . . . . Combinations of associated Legendre functions and functions generated by Bessel functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Integration of associated Legendre functions with respect to the order . . . . . Combinations of Legendre polynomials, rational functions, and algebraic functions Combinations of Legendre polynomials and powers . . . . . . . . . . . . . . . . Combinations of Legendre polynomials and other elementary functions . . . . . Combinations of Legendre polynomials and Bessel functions . . . . . . . . . . . Orthogonal Polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Combinations of Gegenbauer polynomials Cnν (x) and powers . . . . . . . . . . Combinations of Gegenbauer polynomials Cnν (x) and elementary functions . . . Complete System of Orthogonal Step Functions . . . . . . . . . . . . . . . . . Combinations of the polynomials C νn (x) and Bessel functions; Integration of Gegenbauer functions with respect to the index . . . . . . . . . . . . . . . . . Combinations of Chebyshev polynomials and powers . . . . . . . . . . . . . . . Combinations of Chebyshev polynomials and elementary functions . . . . . . . Combinations of Chebyshev polynomials and Bessel functions . . . . . . . . . . Hermite polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Jacobi polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Laguerre polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hypergeometric Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Combinations of hypergeometric functions and powers . . . . . . . . . . . . . . Combinations of hypergeometric functions and exponentials . . . . . . . . . . . Hypergeometric and trigonometric functions . . . . . . . . . . . . . . . . . . . Combinations of hypergeometric and Bessel functions . . . . . . . . . . . . . . Confluent Hypergeometric Functions . . . . . . . . . . . . . . . . . . . . . . . Combinations of confluent hypergeometric functions and powers . . . . . . . . Combinations of confluent hypergeometric functions and exponentials . . . . . Combinations of confluent hypergeometric and trigonometric functions . . . . . Combinations of confluent hypergeometric functions and Bessel functions . . . 756 760 761 763 763 763 767 767 769 769 770 776 778 779 781 782 787 788 789 791 792 794 795 795 797 798 798 800 802 803 803 806 808 812 812 814 817 817 820 820 822 829 830 xii CONTENTS 7.66 7.67 7.68 7.69 7.7 7.71 7.72 7.73 7.74 7.75 7.76 7.77 7.8 7.81 7.82 7.83 Combinations of confluent hypergeometric functions, Bessel functions, and powers Combinations of confluent hypergeometric functions, Bessel functions, exponentials, and powers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Combinations of confluent hypergeometric functions and other special functions Integration of confluent hypergeometric functions with respect to the index . . Parabolic Cylinder Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . Parabolic cylinder functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . Combinations of parabolic cylinder functions, powers, and exponentials . . . . . Combinations of parabolic cylinder and hyperbolic functions . . . . . . . . . . . Combinations of parabolic cylinder and trigonometric functions . . . . . . . . . Combinations of parabolic cylinder and Bessel functions . . . . . . . . . . . . . Combinations of parabolic cylinder functions and confluent hypergeometric functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Integration of a parabolic cylinder function with respect to the index . . . . . . Meijer’s and MacRobert’s Functions (G and E) . . . . . . . . . . . . . . . . . Combinations of the functions G and E and the elementary functions . . . . . Combinations of the functions G and E and Bessel functions . . . . . . . . . . Combinations of the functions G and E and other special functions . . . . . . . 8–9 Special Functions 8.1 Elliptic Integrals and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . 8.11 Elliptic integrals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.12 Functional relations between elliptic integrals . . . . . . . . . . . . . . . . . . . 8.13 Elliptic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.14 Jacobian elliptic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.15 Properties of Jacobian elliptic functions and functional relationships between them 8.16 The Weierstrass function ℘(u) . . . . . . . . . . . . . . . . . . . . . . . . . . 8.17 The functions ζ(u) and σ(u) . . . . . . . . . . . . . . . . . . . . . . . . . . . Theta functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.18–8.19 8.2 The Exponential Integral Function and Functions Generated by It . . . . . . . . 8.21 The exponential integral function Ei(x) . . . . . . . . . . . . . . . . . . . . . . 8.22 The hyperbolic sine integral shi x and the hyperbolic cosine integral chi x . . . 8.23 The sine integral and the cosine integral: si x and ci x . . . . . . . . . . . . . . 8.24 The logarithm integral li(x) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.25 The probability integral Φ(x), the Fresnel integrals S (x) and C (x), the error function erf(x), and the complementary error function erfc(x) . . . . . . . . . 8.26 Lobachevskiy’s function L(x) . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.3 Euler’s Integrals of the First and Second Kinds . . . . . . . . . . . . . . . . . . 8.31 The gamma function (Euler’s integral of the second kind): Γ(z) . . . . . . . . 8.32 Representation of the gamma function as series and products . . . . . . . . . . 8.33 Functional relations involving the gamma function . . . . . . . . . . . . . . . . 8.34 The logarithm of the gamma function . . . . . . . . . . . . . . . . . . . . . . . 8.35 The incomplete gamma function . . . . . . . . . . . . . . . . . . . . . . . . . 8.36 The psi function ψ(x) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.37 The function β(x) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.38 The beta function (Euler’s integral of the first kind): B(x, y) . . . . . . . . . . 8.39 The incomplete beta function Bx (p, q) . . . . . . . . . . . . . . . . . . . . . . 8.4–8.5 Bessel Functions and Functions Associated with Them . . . . . . . . . . . . . . 831 834 839 841 841 841 842 843 844 845 849 849 850 850 854 856 859 859 859 863 865 866 870 873 876 877 883 883 886 886 887 887 891 892 892 894 895 898 899 902 906 908 910 910 CONTENTS 8.40 8.41 8.42 8.43 8.44 8.45 8.46 8.47–8.48 8.49 8.51–8.52 8.53 8.54 8.55 8.56 8.57 8.58 8.59 8.6 8.60 8.61 8.62 8.63 8.64 8.65 8.66 8.67 8.7–8.8 8.70 8.71 8.72 8.73–8.74 8.75 8.76 8.77 8.78 8.79 8.81 8.82–8.83 8.84 8.85 8.9 8.90 8.91 8.919 8.92 8.93 8.94 xiii Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Integral representations of the functions Jν (z) and Nν (z) . . . . . . . . (1) (2) Integral representations of the functions Hν (z) and Hν (z) . . . . . . Integral representations of the functions Iν (z) and Kν (z) . . . . . . . . Series representation . . . . . . . . . . . . . . . . . . . . . . . . . . . . Asymptotic expansions of Bessel functions . . . . . . . . . . . . . . . . Bessel functions of order equal to an integer plus one-half . . . . . . . . Functional relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . Differential equations leading to Bessel functions . . . . . . . . . . . . . Series of Bessel functions . . . . . . . . . . . . . . . . . . . . . . . . . Expansion in products of Bessel functions . . . . . . . . . . . . . . . . . The zeros of Bessel functions . . . . . . . . . . . . . . . . . . . . . . . Struve functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thomson functions and their generalizations . . . . . . . . . . . . . . . Lommel functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Anger and Weber functions Jν (z) and Eν (z) . . . . . . . . . . . . . . . Neumann’s and Schläfli’s polynomials: O n (z) and S n (z) . . . . . . . . Mathieu Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mathieu’s equation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Periodic Mathieu functions . . . . . . . . . . . . . . . . . . . . . . . . (2n) (2n+1) (2n+1) (2n+2) Recursion relations for the coefficients A2r , A2r+1 , B2r+1 , B2r+2 Mathieu functions with a purely imaginary argument . . . . . . . . . . . Non-periodic solutions of Mathieu’s equation . . . . . . . . . . . . . . . Mathieu functions for negative q . . . . . . . . . . . . . . . . . . . . . Representation of Mathieu functions as series of Bessel functions . . . . The general theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Associated Legendre Functions . . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Integral representations . . . . . . . . . . . . . . . . . . . . . . . . . . Asymptotic series for large values of |ν| . . . . . . . . . . . . . . . . . . Functional relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . Special cases and particular values . . . . . . . . . . . . . . . . . . . . Derivatives with respect to the order . . . . . . . . . . . . . . . . . . . Series representation . . . . . . . . . . . . . . . . . . . . . . . . . . . . The zeros of associated Legendre functions . . . . . . . . . . . . . . . . Series of associated Legendre functions . . . . . . . . . . . . . . . . . . Associated Legendre functions with integer indices . . . . . . . . . . . . Legendre functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Conical functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Toroidal functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Orthogonal Polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Legendre polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . . Series of products of Legendre and Chebyshev polynomials . . . . . . . Series of Legendre polynomials . . . . . . . . . . . . . . . . . . . . . . Gegenbauer polynomials Cnλ (t) . . . . . . . . . . . . . . . . . . . . . . The Chebyshev polynomials Tn (x) and Un (x) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 910 912 914 916 918 920 924 926 931 933 940 941 942 944 945 948 949 950 950 951 951 952 953 953 954 957 958 958 960 962 964 968 969 970 972 972 974 975 980 981 982 982 983 988 988 990 993 xiv CONTENTS 8.95 8.96 8.97 9.1 9.10 9.11 9.12 9.13 9.14 9.15 9.16 9.17 9.18 9.19 9.2 9.20 9.21 9.22–9.23 9.24–9.25 9.26 9.3 9.30 9.31 9.32 9.33 9.34 9.4 9.41 9.42 9.5 9.51 9.52 9.53 9.54 9.55 9.56 9.6 9.61 9.62 9.63 9.64 9.65 9.7 9.71 9.72 The Hermite polynomials H n (x) . . . . . . . . . . . . . . . . . . . . . . . . . Jacobi’s polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The Laguerre polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hypergeometric Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Integral representations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Representation of elementary functions in terms of a hypergeometric functions . Transformation formulas and the analytic continuation of functions defined by hypergeometric series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A generalized hypergeometric series . . . . . . . . . . . . . . . . . . . . . . . . The hypergeometric differential equation . . . . . . . . . . . . . . . . . . . . . Riemann’s differential equation . . . . . . . . . . . . . . . . . . . . . . . . . . Representing the solutions to certain second-order differential equations using a Riemann scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hypergeometric functions of two variables . . . . . . . . . . . . . . . . . . . . A hypergeometric function of several variables . . . . . . . . . . . . . . . . . . Confluent Hypergeometric Functions . . . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The functions Φ(α, γ; z) and Ψ(α, γ; z) . . . . . . . . . . . . . . . . . . . . . . The Whittaker functions Mλ,μ (z) and Wλ,μ (z) . . . . . . . . . . . . . . . . . . Parabolic cylinder functions Dp (z) . . . . . . . . . . . . . . . . . . . . . . . . Confluent hypergeometric series of two variables . . . . . . . . . . . . . . . . . Meijer’s G-Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Functional relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A differential equation for the G-function . . . . . . . . . . . . . . . . . . . . . Series of G-functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connections with other special functions . . . . . . . . . . . . . . . . . . . . . MacRobert’s E-Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Representation by means of multiple integrals . . . . . . . . . . . . . . . . . . Functional relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Riemann’s Zeta Functions ζ(z, q) and ζ(z), and the Functions Φ(z, s, v) and ξ(s) Definition and integral representations . . . . . . . . . . . . . . . . . . . . . . Representation as a series or as an infinite product . . . . . . . . . . . . . . . . Functional relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Singular points and zeros . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The Lerch function Φ(z, s, v) . . . . . . . . . . . . . . . . . . . . . . . . . . . The function ξ (s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bernoulli Numbers and Polynomials, Euler Numbers . . . . . . . . . . . . . . . Bernoulli numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bernoulli polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Euler numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The functions ν(x), ν(x, α), μ(x, β), μ(x, β, α), and λ(x, y) . . . . . . . . . . Euler polynomials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Constants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bernoulli numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Euler numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 996 998 1000 1005 1005 1005 1006 1008 1010 1010 1014 1017 1018 1022 1022 1022 1023 1024 1028 1031 1032 1032 1033 1034 1034 1034 1035 1035 1035 1036 1036 1037 1037 1038 1039 1040 1040 1040 1041 1043 1043 1044 1045 1045 1045 CONTENTS 9.73 9.74 xv Euler’s and Catalan’s constants . . . . . . . . . . . . . . . . . . . . . . . . . . Stirling numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Vector Field Theory 10.1–10.8 Vectors, Vector Operators, and Integral 10.11 Products of vectors . . . . . . . . . . 10.12 Properties of scalar product . . . . . . 10.13 Properties of vector product . . . . . . 10.14 Differentiation of vectors . . . . . . . . 10.21 Operators grad, div, and curl . . . . . 10.31 Properties of the operator ∇ . . . . . 10.41 Solenoidal fields . . . . . . . . . . . . 10.51–10.61 Orthogonal curvilinear coordinates . . 10.71–10.72 Vector integral theorems . . . . . . . . 10.81 Integral rate of change theorems . . . 1046 1046 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1049 1049 1049 1049 1049 1050 1050 1051 1052 1052 1055 1057 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1059 1059 1059 1060 1061 12 Integral Inequalities 12.11 Mean Value Theorems . . . . . . . . . . . . . . . . . . . . 12.111 First mean value theorem . . . . . . . . . . . . . . . . . . 12.112 Second mean value theorem . . . . . . . . . . . . . . . . . 12.113 First mean value theorem for infinite integrals . . . . . . . 12.114 Second mean value theorem for infinite integrals . . . . . . 12.21 Differentiation of Definite Integral Containing a Parameter 12.211 Differentiation when limits are finite . . . . . . . . . . . . . 12.212 Differentiation when a limit is infinite . . . . . . . . . . . . 12.31 Integral Inequalities . . . . . . . . . . . . . . . . . . . . . 12.311 Cauchy-Schwarz-Buniakowsky inequality for integrals . . . 12.312 Hölder’s inequality for integrals . . . . . . . . . . . . . . . 12.313 Minkowski’s inequality for integrals . . . . . . . . . . . . . 12.314 Chebyshev’s inequality for integrals . . . . . . . . . . . . . 12.315 Young’s inequality for integrals . . . . . . . . . . . . . . . 12.316 Steffensen’s inequality for integrals . . . . . . . . . . . . . 12.317 Gram’s inequality for integrals . . . . . . . . . . . . . . . . 12.318 Ostrowski’s inequality for integrals . . . . . . . . . . . . . 12.41 Convexity and Jensen’s Inequality . . . . . . . . . . . . . . 12.411 Jensen’s inequality . . . . . . . . . . . . . . . . . . . . . . 12.412 Carleman’s inequality for integrals . . . . . . . . . . . . . . 12.51 Fourier Series and Related Inequalities . . . . . . . . . . . 12.511 Riemann-Lebesgue lemma . . . . . . . . . . . . . . . . . . 12.512 Dirichlet lemma . . . . . . . . . . . . . . . . . . . . . . . 12.513 Parseval’s theorem for trigonometric Fourier series . . . . . 12.514 Integral representation of the nth partial sum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1063 1063 1063 1063 1063 1064 1064 1064 1064 1064 1064 1064 1065 1065 1065 1065 1065 1066 1066 1066 1066 1066 1067 1067 1067 1067 Theorems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Algebraic Inequalities 11.1–11.3 General Algebraic Inequalities . . . . . . . . . . 11.11 Algebraic inequalities involving real numbers . . 11.21 Algebraic inequalities involving complex numbers 11.31 Inequalities for sets of complex numbers . . . . . . . . xvi CONTENTS 12.515 12.516 12.517 Generalized Fourier series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bessel’s inequality for generalized Fourier series . . . . . . . . . . . . . . . . . Parseval’s theorem for generalized Fourier series . . . . . . . . . . . . . . . . . 1067 1068 1068 13 Matrices and Related Results 13.11–13.12 Special Matrices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.111 Diagonal matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.112 Identity matrix and null matrix . . . . . . . . . . . . . . . . . . . . . . . 13.113 Reducible and irreducible matrices . . . . . . . . . . . . . . . . . . . . . . 13.114 Equivalent matrices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.115 Transpose of a matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.116 Adjoint matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.117 Inverse matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.118 Trace of a matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.119 Symmetric matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.120 Skew-symmetric matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.121 Triangular matrices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.122 Orthogonal matrices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.123 Hermitian transpose of a matrix . . . . . . . . . . . . . . . . . . . . . . . 13.124 Hermitian matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.125 Unitary matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.126 Eigenvalues and eigenvectors . . . . . . . . . . . . . . . . . . . . . . . . 13.127 Nilpotent matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.128 Idempotent matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.129 Positive definite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.130 Non-negative definite . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.131 Diagonally dominant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.21 Quadratic Forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.211 Sylvester’s law of inertia . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.212 Rank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.213 Signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.214 Positive definite and semidefinite quadratic form . . . . . . . . . . . . . . 13.215 Basic theorems on quadratic forms . . . . . . . . . . . . . . . . . . . . . 13.31 Differentiation of Matrices . . . . . . . . . . . . . . . . . . . . . . . . . . 13.41 The Matrix Exponential . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.411 Basic properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1069 1069 1069 1069 1069 1069 1069 1070 1070 1070 1070 1070 1070 1070 1070 1070 1071 1071 1071 1071 1071 1071 1071 1071 1072 1072 1072 1072 1072 1073 1074 1074 14 Determinants 14.11 14.12 14.13 14.14 14.15* 14.16 14.17 14.18 14.21 14.31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1075 1075 1075 1075 1076 1076 1076 1077 1077 1077 1078 Expansion of Second- and Third-Order Determinants Basic Properties . . . . . . . . . . . . . . . . . . . . Minors and Cofactors of a Determinant . . . . . . . . Principal Minors . . . . . . . . . . . . . . . . . . . . Laplace Expansion of a Determinant . . . . . . . . . Jacobi’s Theorem . . . . . . . . . . . . . . . . . . . Hadamard’s Theorem . . . . . . . . . . . . . . . . . Hadamard’s Inequality . . . . . . . . . . . . . . . . . Cramer’s Rule . . . . . . . . . . . . . . . . . . . . . Some Special Determinants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONTENTS 14.311 14.312 14.313 14.314 14.315 14.316 14.317 15 Norms 15.1–15.9 15.11 15.21 15.211 15.212 15.213 15.31 15.311 15.312 15.313 15.41 15.411 15.412 15.413 15.51 15.511 15.512 15.61 15.611 15.612 15.71 15.711 15.712 15.713 15.714 15.715 15.81–15.82 15.811 15.812 15.813 15.814 15.815 15.816 15.817 15.818 15.819 15.820 15.821 15.822 xvii Vandermonde’s determinant (alternant) . . . . . Circulants . . . . . . . . . . . . . . . . . . . . . Jacobian determinant . . . . . . . . . . . . . . Hessian determinants . . . . . . . . . . . . . . Wronskian determinants . . . . . . . . . . . . . Properties . . . . . . . . . . . . . . . . . . . . Gram-Kowalewski theorem on linear dependence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1078 1078 1078 1079 1079 1079 1080 Vector Norms . . . . . . . . . . . . . . . . . . . . . . . . . . General Properties . . . . . . . . . . . . . . . . . . . . . . . Principal Vector Norms . . . . . . . . . . . . . . . . . . . . The norm ||x||1 . . . . . . . . . . . . . . . . . . . . . . . . The norm ||x||2 (Euclidean or L2 norm) . . . . . . . . . . . The norm ||x||∞ . . . . . . . . . . . . . . . . . . . . . . . . Matrix Norms . . . . . . . . . . . . . . . . . . . . . . . . . General properties . . . . . . . . . . . . . . . . . . . . . . . Induced norms . . . . . . . . . . . . . . . . . . . . . . . . . Natural norm of unit matrix . . . . . . . . . . . . . . . . . . Principal Natural Norms . . . . . . . . . . . . . . . . . . . . Maximum absolute column sum norm . . . . . . . . . . . . . Spectral norm . . . . . . . . . . . . . . . . . . . . . . . . . Maximum absolute row sum norm . . . . . . . . . . . . . . . Spectral Radius of a Square Matrix . . . . . . . . . . . . . . Inequalities concerning matrix norms and the spectral radius Deductions from Gerschgorin’s theorem (see 15.814) . . . . Inequalities Involving Eigenvalues of Matrices . . . . . . . . . Cayley-Hamilton theorem . . . . . . . . . . . . . . . . . . . Corollaries . . . . . . . . . . . . . . . . . . . . . . . . . . . Inequalities for the Characteristic Polynomial . . . . . . . . . Named and unnamed inequalities . . . . . . . . . . . . . . . Parodi’s theorem . . . . . . . . . . . . . . . . . . . . . . . . Corollary of Brauer’s theorem . . . . . . . . . . . . . . . . . Ballieu’s theorem . . . . . . . . . . . . . . . . . . . . . . . . Routh-Hurwitz theorem . . . . . . . . . . . . . . . . . . . . Named Theorems on Eigenvalues . . . . . . . . . . . . . . . Schur’s inequalities . . . . . . . . . . . . . . . . . . . . . . . Sturmian separation theorem . . . . . . . . . . . . . . . . . Poincare’s separation theorem . . . . . . . . . . . . . . . . . Gerschgorin’s theorem . . . . . . . . . . . . . . . . . . . . . Brauer’s theorem . . . . . . . . . . . . . . . . . . . . . . . . Perron’s theorem . . . . . . . . . . . . . . . . . . . . . . . . Frobenius theorem . . . . . . . . . . . . . . . . . . . . . . . Perron–Frobenius theorem . . . . . . . . . . . . . . . . . . . Wielandt’s theorem . . . . . . . . . . . . . . . . . . . . . . Ostrowski’s theorem . . . . . . . . . . . . . . . . . . . . . . First theorem due to Lyapunov . . . . . . . . . . . . . . . . Second theorem due to Lyapunov . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1081 1081 1081 1081 1081 1081 1081 1082 1082 1082 1082 1082 1082 1082 1083 1083 1083 1083 1084 1084 1084 1084 1085 1086 1086 1086 1086 1087 1087 1087 1087 1088 1088 1088 1088 1088 1088 1089 1089 1089 xviii CONTENTS 15.823 15.91 15.911 15.912 Hermitian matrices and diophantine relations rational angles due to Calogero and Perelomov Variational Principles . . . . . . . . . . . . . . Rayleigh quotient . . . . . . . . . . . . . . . . Basic theorems . . . . . . . . . . . . . . . . . involving . . . . . . . . . . . . . . . . . . . . circular functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . of . . . . . . . . . . . . 1089 1091 1091 1091 16 Ordinary Differential Equations 1093 16.1–16.9 Results Relating to the Solution of Ordinary Differential Equations . . . . . . . 1093 16.11 First-Order Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1093 16.111 Solution of a first-order equation . . . . . . . . . . . . . . . . . . . . . . . . . 1093 16.112 Cauchy problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1093 16.113 Approximate solution to an equation . . . . . . . . . . . . . . . . . . . . . . . 1093 16.114 Lipschitz continuity of a function . . . . . . . . . . . . . . . . . . . . . . . . . 1094 16.21 Fundamental Inequalities and Related Results . . . . . . . . . . . . . . . . . . 1094 16.211 Gronwall’s lemma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1094 16.212 Comparison of approximate solutions of a differential equation . . . . . . . . . 1094 16.31 First-Order Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1094 16.311 Solution of a system of equations . . . . . . . . . . . . . . . . . . . . . . . . . 1094 16.312 Cauchy problem for a system . . . . . . . . . . . . . . . . . . . . . . . . . . . 1095 16.313 Approximate solution to a system . . . . . . . . . . . . . . . . . . . . . . . . . 1095 16.314 Lipschitz continuity of a vector . . . . . . . . . . . . . . . . . . . . . . . . . . 1095 16.315 Comparison of approximate solutions of a system . . . . . . . . . . . . . . . . 1096 16.316 First-order linear differential equation . . . . . . . . . . . . . . . . . . . . . . . 1096 16.317 Linear systems of differential equations . . . . . . . . . . . . . . . . . . . . . . 1096 16.41 Some Special Types of Elementary Differential Equations . . . . . . . . . . . . 1097 16.411 Variables separable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1097 16.412 Exact differential equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1097 16.413 Conditions for an exact equation . . . . . . . . . . . . . . . . . . . . . . . . . 1097 16.414 Homogeneous differential equations . . . . . . . . . . . . . . . . . . . . . . . . 1097 16.51 Second-Order Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1098 16.511 Adjoint and self-adjoint equations . . . . . . . . . . . . . . . . . . . . . . . . . 1098 16.512 Abel’s identity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1098 16.513 Lagrange identity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1099 16.514 The Riccati equation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1099 16.515 Solutions of the Riccati equation . . . . . . . . . . . . . . . . . . . . . . . . . 1099 Solution of a second-order linear differential equation . . . . . . . . . . . . . . 1100 16.516 16.61–16.62 Oscillation and Non-Oscillation Theorems for Second-Order Equations . . . . . 1100 16.611 First basic comparison theorem . . . . . . . . . . . . . . . . . . . . . . . . . . 1100 16.622 Second basic comparison theorem . . . . . . . . . . . . . . . . . . . . . . . . . 1101 16.623 Interlacing of zeros . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1101 16.624 Sturm separation theorem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1101 16.625 Sturm comparison theorem . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1101 16.626 Szegö’s comparison theorem . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1101 16.627 Picone’s identity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1102 16.628 Sturm-Picone theorem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1102 16.629 Oscillation on the half line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1102 16.71 Two Related Comparison Theorems . . . . . . . . . . . . . . . . . . . . . . . . 1103 16.711 Theorem 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1103 CONTENTS 16.712 16.81–16.82 16.811 16.822 16.823 16.91 16.911 16.912 16.913 16.914 16.92 16.921 16.922 16.923 16.924 16.93 xix Theorem 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Non-Oscillatory Solutions . . . . . . . . . . . . . . . . . . . . . Kneser’s non-oscillation theorem . . . . . . . . . . . . . . . . . Comparison theorem for non-oscillation . . . . . . . . . . . . . . Necessary and sufficient conditions for non-oscillation . . . . . . Some Growth Estimates for Solutions of Second-Order Equations Strictly increasing and decreasing solutions . . . . . . . . . . . . General result on dominant and subdominant solutions . . . . . Estimate of dominant solution . . . . . . . . . . . . . . . . . . . A theorem due to Lyapunov . . . . . . . . . . . . . . . . . . . . Boundedness Theorems . . . . . . . . . . . . . . . . . . . . . . All solutions of the equation . . . . . . . . . . . . . . . . . . . . If all solutions of the equation . . . . . . . . . . . . . . . . . . . If a(x) → ∞ monotonically as x → ∞, then all solutions of . . . Consider the equation . . . . . . . . . . . . . . . . . . . . . . . Growth of maxima of |y| . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1103 1103 1103 1104 1104 1104 1104 1104 1105 1105 1106 1106 1106 1106 1106 1106 17 Fourier, Laplace, and Mellin Transforms 17.1–17.4 Integral Transforms . . . . . . . . . . . . . . . . . . . . . . . . . 17.11 Laplace transform . . . . . . . . . . . . . . . . . . . . . . . . . . 17.12 Basic properties of the Laplace transform . . . . . . . . . . . . . . 17.13 Table of Laplace transform pairs . . . . . . . . . . . . . . . . . . 17.21 Fourier transform . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.22 Basic properties of the Fourier transform . . . . . . . . . . . . . . 17.23 Table of Fourier transform pairs . . . . . . . . . . . . . . . . . . . 17.24 Table of Fourier transform pairs for spherically symmetric functions 17.31 Fourier sine and cosine transforms . . . . . . . . . . . . . . . . . . 17.32 Basic properties of the Fourier sine and cosine transforms . . . . . 17.33 Table of Fourier sine transforms . . . . . . . . . . . . . . . . . . . 17.34 Table of Fourier cosine transforms . . . . . . . . . . . . . . . . . . 17.35 Relationships between transforms . . . . . . . . . . . . . . . . . . 17.41 Mellin transform . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.42 Basic properties of the Mellin transform . . . . . . . . . . . . . . 17.43 Table of Mellin transforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1107 1107 1107 1107 1108 1117 1118 1118 1120 1121 1121 1122 1126 1129 1129 1130 1131 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 The z-Transform 18.1–18.3 Definition, Bilateral, and 18.1 Definitions . . . . . . . 18.2 Bilateral z-transform . . 18.3 Unilateral z-transform . References Supplemental references Index of Functions and Constants General Index of Concepts Unilateral z-Transforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1135 1135 1135 1136 1138 1141 1145 1151 1161 This page intentionally left blank Preface to the Seventh Edition Since the publication in 2000 of the completely reset sixth edition of Gradshteyn and Ryzhik, users of the reference work have continued to submit corrections, new results that extend the work, and suggestions for changes that improve the presentation of existing entries. It is a matter of regret to us that the structure of the book makes it impossible to acknowledge these individual contributions, so, as usual, the names of the many new contributors have been added to the acknowledgment list at the front of the book. This seventh edition contains the corrections received since the publication of the sixth edition in 2000, together with a considerable amount of new material acquired from isolated sources. Following our previous conventions, an amended entry has a superscript “11” added to its entry reference number, where the equivalent superscript number for the sixth edition was “10.” Similarly, an asterisk on an entry’s reference number indicates a new result. When, for technical reasons, an entry in a previous edition has been removed, to preserve the continuity of numbering between the new and older editions the subsequent entries have not been renumbered, so the numbering will jump. We wish to express our gratitude to all who have been in contact with us with the object of improving and extending the book, and we want to give special thanks to Dr. Victor H. Moll for his interest in the book and for the many contributions he has made over an extended period of time. We also wish to acknowledge the contributions made by Dr. Francis J. O’Brien Jr. of the Naval Station in Newport, in particular for results involving integrands where exponentials are combined with algebraic functions. Experience over many years has shown that each new edition of Gradshteyn and Ryzhik generates a fresh supply of suggestions for new entries, and for the improvement of the presentation of existing entries and errata. In view of this, we do not expect this new edition to be free from errors, so all users of this reference work who identify errors, or who wish to propose new entries, are invited to contact the authors, whose email addresses are listed below. Corrections will be posted on the web site www.az-tec.com/gr/errata. Alan Jeffrey [email protected] Daniel Zwillinger [email protected] xxi This page intentionally left blank Acknowledgments The publisher and editors would like to take this opportunity to express their gratitude to the following users of the Table of Integrals, Series, and Products who, either directly or through errata published in Mathematics of Computation, have generously contributed corrections and addenda to the original printing. Dr. A. Abbas Dr. P. B. Abraham Dr. Ari Abramson Dr. Jose Adachi Dr. R. J. Adler Dr. N. Agmon Dr. M. Ahmad Dr. S. A. Ahmad Dr. Luis Alvarez-Ruso Dr. Maarten H P Ambaum Dr. R. K. Amiet Dr. L. U. Ancarani Dr. M. Antoine Dr. C. R. Appledorn Dr. D. R. Appleton Dr. Mitsuhiro Arikawa Dr. P. Ashoshauvati Dr. C. L. Axness Dr. E. Badralexe Dr. S. B. Bagchi Dr. L. J. Baker Dr. R. Ball Dr. M. P. Barnett Dr. Florian Baumann Dr. Norman C. Beaulieu Dr. Jerome Benoit Mr. V. Bentley Dr. Laurent Berger Dr. M. van den Berg Dr. N. F. Berk Dr. C. A. Bertulani Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. J. Betancort-Rijo P. Bickerstaff Iwo Bialynicki-Birula Chris Bidinosti G. R. Bigg Ian Bindloss L. Blanchet Mike Blaskiewicz R. D. Blevins Anders Blom L. M. Blumberg R. Blumel S. E. Bodner M. Bonsager George Boros S. Bosanac B. Van den Bossche A. Boström J. E. Bowcock T. H. Boyer K. M. Briggs D. J. Broadhurst Chris Van Den Broeck W. B. Brower H. N. Browne Christoph Bruegger William J. Bruno Vladimir Bubanja D. J. Buch D. J. Bukman F. M. Burrows xxiii Dr. R. Caboz Dr. T. Calloway Dr. F. Calogero Dr. D. Dal Cappello Dr. David Cardon Dr. J. A. Carlson Gallos Dr. B. Carrascal Dr. A. R. Carr Dr. S. Carter Dr. G. Cavalleri Mr. W. H. L. Cawthorne Dr. A. Cecchini Dr. B. Chan Dr. M. A. Chaudhry Dr. Sabino Chavez-Cerda Dr. Julian Cheng Dr. H. W. Chew Dr. D. Chin Dr. Young-seek Chung Dr. S. Ciccariello Dr. N. S. Clarke Dr. R. W. Cleary Dr. A. Clement Dr. P. Cochrane Dr. D. K. Cohoon Dr. L. Cole Dr. Filippo Colomo Dr. J. R. D. Copley Dr. D. Cox Dr. J. Cox Dr. J. W. Criss xxiv Dr. A. E. Curzon Dr. D. Dadyburjor Dr. D. Dajaputra Dr. C. Dal Cappello Dr. P. Daly Dr. S. Dasgupta Dr. John Davies Dr. C. L. Davis Dr. A. Degasperis Dr. B. C. Denardo Dr. R. W. Dent Dr. E. Deutsch Dr. D. deVries Dr. P. Dita Dr. P. J. de Doelder Dr. Mischa Dohler Dr. G. Dôme Dr. Shi-Hai Dong Dr. Balazs Dora Dr. M. R. D’Orsogna Dr. Adrian A. Dragulescu Dr. Eduardo Duenez Mr. Tommi J. Dufva Dr. E. B. Dussan, V Dr. C. A. Ebner Dr. M. van der Ende Dr. Jonathan Engle Dr. G. Eng Dr. E. S. Erck Dr. Jan Erkelens Dr. Olivier Espinosa Dr. G. A. Estévez Dr. K. Evans Dr. G. Evendon Dr. V. I. Fabrikant Dr. L. A. Falkovsky Dr. K. Farahmand Dr. Richard J. Fateman Dr. G. Fedele Dr. A. R. Ferchmin Dr. P. Ferrant Dr. H. E. Fettis Dr. W. B. Fichter Dr. George Fikioris Mr. J. C. S. S. Filho Dr. L. Ford Dr. Nicolao Fornengo Acknowledgments Dr. J. France Dr. B. Frank Dr. S. Frasier Dr. Stefan Fredenhagen Dr. A. J. Freeman Dr. A. Frink Dr. Jason M. Gallaspy Dr. J. A. C. Gallas Dr. J. A. Carlson Gallas Dr. G. R. Gamertsfelder Dr. T. Garavaglia Dr. Jaime Zaratiegui Garcia Dr. C. G. Gardner Dr. D. Garfinkle Dr. P. N. Garner Dr. F. Gasser Dr. E. Gath Dr. P. Gatt Dr. D. Gay Dr. M. P. Gelfand Dr. M. R. Geller Dr. Ali I. Genc Dr. Vincent Genot Dr. M. F. George Dr. P. Germain Dr. Ing. Christoph Gierull Dr. S. P. Gill Dr. Federico Girosi Dr. E. A. Gislason Dr. M. I. Glasser Dr. P. A. Glendinning Dr. L. I. Goldfischer Dr. Denis Golosov Dr. I. J. Good Dr. J. Good Mr. L. Gorin Dr. Martin Götz Dr. R. Govindaraj Dr. M. De Grauf Dr. L. Green Mr. Leslie O. Green Dr. R. Greenwell Dr. K. D. Grimsley Dr. Albert Groenenboom Dr. V. Gudmundsson Dr. J. Guillera Dr. K. Gunn Dr. D. L. Gunter Dr. Julio C. Gutiérrez-Vega Dr. Roger Haagmans Dr. H. van Haeringen Dr. B. Hafizi Dr. Bahman Hafizi Dr. T. Hagfors Dr. M. J. Haggerty Dr. Timo Hakulinen Dr. Einar Halvorsen Dr. S. E. Hammel Dr. E. Hansen Dr. Wes Harker Dr. T. Harrett Dr. D. O. Harris Dr. Frank Harris Mr. Mazen D. Hasna Dr. Joel G. Heinrich Dr. Sten Herlitz Dr. Chris Herzog Dr. A. Higuchi Dr. R. E. Hise Dr. Henrik Holm Dr. Helmut Hölzler Dr. N. Holte Dr. R. W. Hopper Dr. P. N. Houle Dr. C. J. Howard Dr. J. H. Hubbell Dr. J. R. Hull Dr. W. Humphries Dr. Jean-Marc Huré Dr. Ben Yu-Kuang Hu Dr. Y. Iksbe Dr. Philip Ingenhoven Mr. L. Iossif Dr. Sean A. Irvine Dr. Óttar Ísberg Dr. Cyril-Daniel Iskander Dr. S. A. Jackson Dr. John David Jackson Dr. Francois Jaclot Dr. B. Jacobs Dr. E. C. James Dr. B. Jancovici Dr. D. J. Jeffrey Dr. H. J. Jensen Acknowledgments Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Edwin F. Johnson I. R. Johnson Steven Johnson I. Johnstone Y. P. Joshi Jae-Hun Jung Damir Juric Florian Kaempfer S. Kanmani Z. Kapal Dave Kasper M. Kaufman B. Kay Avinash Khare Ilki Kim Youngsun Kim S. Klama L. Klingen C. Knessl M. J. Knight Mel Knight Yannis Kohninos D. Koks L. P. Kok K. S. Kölbig Y. Komninos D. D. Konowalow Z. Kopal I. Kostyukov R. A. Krajcik Vincent Krakoviack Stefan Kramer Tobias Kramer Hermann Krebs J. W. Krozel E. D. Krupnikov Kun-Lin Kuo E. A. Kuraev Konstantinos Kyritsis Velimir Labinac A. D. J. Lambert A. Lambert A. Larraza K. D. Lee M. Howard Lee M. K. Lee P. A. Lee xxv Dr. Todd Lee Dr. J. Legg Dr. Armando Lemus Dr. S. L. Levie Dr. D. Levi Dr. Michael Lexa Dr. Kuo Kan Liang Dr. B. Linet Dr. M. A. Lisa Dr. Donald Livesay Dr. H. Li Dr. Georg Lohoefer Dr. I. M. Longman Dr. D. Long Dr. Sylvie Lorthois Dr. Y. L. Luke Dr. W. Lukosz Dr. T. Lundgren Dr. E. A. Luraev Dr. R. Lynch Dr. R. Mahurin Dr. R. Mallier Dr. G. A. Mamon Dr. A. Mangiarotti Dr. I. Manning Dr. J. Marmur Dr. A. Martin Sr. Yuzo Maruyama Dr. David J. Masiello Dr. Richard Marthar Dr. H. A. Mavromatis Dr. M. Mazzoni Dr. K. B. Ma Dr. P. McCullagh Dr. J. H. McDonnell Dr. J. R. McGregor Dr. Kim McInturff Dr. N. McKinney Dr. David McA McKirdy Dr. Rami Mehrem Dr. W. N. Mei Dr. Angelo Melino Mr. José Ricardo Mendes Dr. Andy Mennim Dr. J. P. Meunier Dr. Gerard P. Michon Dr. D. F. R. Mildner Dr. D. L. Miller Dr. Steve Miller Dr. P. C. D. Milly Dr. S. P. Mitra Dr. K. Miura Dr. N. Mohankumar Dr. M. Moll Dr. Victor H. Moll Dr. D. Monowalow Mr. Tony Montagnese Dr. Jim Morehead Dr. J. Morice Dr. W. Mueck Dr. C. Muhlhausen Dr. S. Mukherjee Dr. R. R. Müller Dr. Pablo Parmezani Munhoz Dr. Paul Nanninga Dr. A. Natarajan Dr. Stefan Neumeier Dr. C. T. Nguyen Dr. A. C. Nicol Dr. M. M. Nieto Dr. P. Noerdlinger Dr. A. N. Norris Dr. K. H. Norwich Dr. A. H. Nuttall Dr. Frank O’Brien Dr. R. P. O’Keeffe Dr. A. Ojo Dr. P. Olsson Dr. M. Ortner Dr. S. Ostlund Dr. J. Overduin Dr. J. Pachner Dr. John D. Paden Mr. Robert A. Padgug Dr. D. Papadopoulos Dr. F. J. Papp Mr. Man Sik Park Dr. Jong-Do Park Dr. B. Patterson Dr. R. F. Pawula Dr. D. W. Peaceman Dr. D. Pelat Dr. L. Peliti Dr. Y. P. Pellegrini xxvi Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Dr. Acknowledgments G. J. Pert Nicola Pessina J. B. Peterson Rickard Petersson Andrew Plumb Dror Porat E. A. Power E. Predazzi William S. Price Paul Radmore F. Raynal X. R. Resende J. M. Riedler Thomas Richard E. Ringel T. M. Roberts N. I. Robinson P. A. Robinson D. M. Rosenblum R. A. Rosthal J. R. Roth Klaus Rottbrand D. Roy E. Royer D. Rudermann Sanjib Sabhapandit C. T. Sachradja J. Sadiku A. Sadiq Motohiko Saitoh Naoki Saito A. Salim J. H. Samson Miguel A. Sanchis-Lozano J. A. Sanders M. A. F. Sanjun P. Sarquiz Avadh Saxena Vito Scarola O. Schärpf A. Scherzinger B. Schizer Martin Schmid J. Scholes Mel Schopper H. J. Schulz G. J. Sears Dr. Kazuhiko Seki Dr. B. Seshadri Dr. A. Shapiro Dr. Masaki Shigemori Dr. J. S. Sheng Dr. Kenneth Ing Shing Dr. Tomohiro Shirai Dr. S. Shlomo Dr. D. Siegel Dr. Matthew Stapleton Dr. Steven H. Simon Dr. Ashok Kumar Singal Dr. C. Smith Dr. G. C. C. Smith Dr. Stefan Llewellyn Smith Dr. S. Smith Dr. G. Solt Dr. J. Sondow Dr. A. Sørenssen Dr. Marcus Spradlin Dr. Andrzej Staruszkiewicz Dr. Philip C. L. Stephenson Dr. Edgardo Stockmeyer Dr. J. C. Straton Mr. H. Suraweera Dr. N. F. Svaiter Dr. V. Svaiter Dr. R. Szmytkowski Dr. S. Tabachnik Dr. Erik Talvila Dr. G. Tanaka Dr. C. Tanguy Dr. G. K. Tannahill Dr. B. T. Tan Dr. C. Tavard Dr. Gonçalo Tavares Dr. Aba Teleki Dr. Arash Dahi Taleghani Dr. D. Temperley Dr. A. J. Tervoort Dr. Theodoros Theodoulidis Dr. D. J. Thomas Dr. Michael Thorwart Dr. S. T. Thynell Dr. D. C. Torney Dr. R. Tough Dr. B. F. Treadway Dr. Ming Tsai Dr. N. Turkkan Dr. Sandeep Tyagi Dr. J. J. Tyson Dr. S. Uehara Dr. M. Vadacchino Dr. O. T. Valls Dr. D. Vandeth Mr. Andras Vanyolos Dr. D. Veitch Mr. Jose Lopez Vicario Dr. K. Vogel Dr. J. M. M. J. Vogels Dr. Alexis De Vos Dr. Stuart Walsh Dr. Reinhold Wannemacher Dr. S. Wanzura Dr. J. Ward Dr. S. I. Warshaw Dr. R. Weber Dr. Wei Qian Dr. D. H. Werner Dr. E. Wetzel Dr. Robert Whittaker Dr. D. T. Wilton Dr. C. Wiuf Dr. K. T. Wong Mr. J. N. Wright Dr. J. D. Wright Dr. D. Wright Dr. D. Wu Dr. Michel Daoud Yacoub Dr. Yu S. Yakovlev Dr. H.-C. Yang Dr. J. J. Yang Dr. Z. J. Yang Dr. J. J. Wang Dr. Peter Widerin Mr. Chun Kin Au Yeung Dr. Kazuya Yuasa Dr. S. P. Yukon Dr. B. Zhang Dr. Y. C. Zhang Dr. Y. Zhao Dr. Ralf Zimmer The Order of Presentation of the Formulas The question of the most expedient order in which to give the formulas, in particular, in what division to include particular formulas such as the definite integrals, turned out to be quite complicated. The thought naturally occurs to set up an order analogous to that of a dictionary. However, it is almost impossible to create such a system for the formulas of integral calculus. Indeed, in an arbitrary formula of the form b f (x) dx = A a one may make a large number of substitutions of the form x = ϕ(t) and thus obtain a number of “synonyms” of the given formula. We must point out that the table of definite integrals by Bierens de Haan and the earlier editions of the present reference both sin in the plethora of such “synonyms” and formulas of complicated form. In the present edition, we have tried to keep only the simplest of the “synonym” formulas. Basically, we judged the simplicity of a formula from the standpoint of the simplicity of the arguments of the “outer” functions that appear in the integrand. Where possible, we have replaced a complicated formula with a simpler one. Sometimes, several complicated formulas were thereby reduced to a single, simpler one. We then kept only the simplest formula. As a result of such substitutions, we sometimes obtained an integral that could be evaluated by use of the formulas of Chapter Two and the Newton–Leibniz formula, or to an integral of the form a f (x) dx, −a where f (x) is an odd function. In such cases, the complicated integrals have been omitted. Let us give an example using the expression π/4 0 p−1 (cot x − 1) sin2 x ln tan x dx = − π cosec pπ. p By making the natural substitution u = cot x − 1, we obtain ∞ π up−1 ln(1 + u) du = cosec pπ. p 0 Integrals similar to formula (0.1) are omitted in this new edition. Instead, we have formula (0.2). xxvii (0.1) (0.2) xxviii The Order of Presentation of the Formulas As a second example, let us take π/2 ln (tanp x + cotp x) ln tan x dx = 0. I= 0 The substitution u = tan x yields ∞ I= 0 ln (up + u−p ) ln u du. 1 + u2 If we now set υ = ln u, we obtain ∞ ∞ pυ υeυ ln (2 cosh pυ) −pυ dυ. dυ = ln e + e υ I= 2υ 2 cosh υ −∞ 1 + e −∞ The integrand is odd, and, consequently, the integral is equal to 0. Thus, before looking for an integral in the tables, the user should simplify as much as possible the arguments (the “inner” functions) of the functions in the integrand. The functions are ordered as follows: First we have the elementary functions: 1. 2. 3. 4. 5. 6. 7. The function f (x) = x. The exponential function. The hyperbolic functions. The trigonometric functions. The logarithmic function. The inverse hyperbolic functions. (These are replaced with the corresponding logarithms in the formulas containing definite integrals.) The inverse trigonometric functions. Then follow the special functions: 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. Elliptic integrals. Elliptic functions. The logarithm integral, the exponential integral, the sine integral, and the cosine integral functions. Probability integrals and Fresnel’s integrals. The gamma function and related functions. Bessel functions. Mathieu functions. Legendre functions. Orthogonal polynomials. Hypergeometric functions. Degenerate hypergeometric functions. Parabolic cylinder functions. Meijer’s and MacRobert’s functions. Riemann’s zeta function. The integrals are arranged in order of outer function according to the above scheme: the farther down in the list a function occurs, (i.e., the more complex it is) the later will the corresponding formula appear The Order of Presentation of the Formulas xxix in the tables. Suppose that several expressions have the same outer function. For example, consider sin ex , sin x, sin ln x. Here, the outer function is the sine function in all three cases. Such expressions are then arranged in order of the inner function. In the present work, these functions are therefore arranged in the following order: sin x, sin ex , sin ln x. Our list does not include polynomials, rational functions, powers, or other algebraic functions. An algebraic function that is included in tables of definite integrals can usually be reduced to a finite combination of roots of rational power. Therefore, for classifying our formulas, we can conditionally treat a power function as a generalization of an algebraic and, consequently, of a rational function.∗ We shall distinguish between all these functions and those listed above, and we shall treat them as operators. Thus, in the expression sin2 ex , we shall think of the squaring operator as applied to the outer function, sin x+cos x namely, the sine. In the expression sin x−cos x , we shall think of the rational operator as applied to the trigonometric functions sine and cosine. We shall arrange the operators according to the following order: 1. 2. 3. 4. Polynomials (listed in order of their degree). Rational operators. Algebraic operators (expressions of the form Ap/q , where q and p are rational, and q > 0; these are listed according to the size of q). Power operators. Expressions with the same outer and inner functions are arranged in the order of complexity of the operators. For example, the following functions [whose outer functions are all trigonometric, and whose inner functions are all f (x) = x] are arranged in the order shown: sin x, sin x cos x, 1 = cosec x, sin x sin x = tan x, cos x sin x + cos x , sin x − cos x sinm x, sinm x cos x. Furthermore, if two outer functions ϕ1 (x) and ϕ2 (x), where ϕ1 (x) is more complex than ϕ2 (x), appear in an integrand and if any of the operations mentioned are performed on them, the corresponding integral will appear [in the order determined by the position of ϕ2 (x) in the list] after all integrals containing only the function ϕ1 (x). Thus, following the trigonometric functions are the trigonometric and power functions [that is, ϕ2 (x) = x]. Then come • combinations of trigonometric and exponential functions, • combinations of trigonometric functions, exponential functions, and powers, etc., • combinations of trigonometric and hyperbolic functions, etc. Integrals containing two functions ϕ1 (x) and ϕ2 (x) are located in the division and order corresponding to the more complicated function of the two. However, if the positions of several integrals coincide because they contain the same complicated function, these integrals are put in the position defined by the complexity of the second function. To these rules of a general nature, we need to add certain particular considerations that will be easily 1 understood from the tables. For example, according to the above remarks, the function e x comes after 1 1 ex as regards complexity, but ln x and ln are equally complex since ln = − ln x. In the section on x x “powers and algebraic functions,” polynomials, rational functions, and powers of powers are formed from power functions of the form (a + bx)n and (α + βx)ν . ∗ For any natural number n, the involution (a + bx)n of the binomial a + bx is a polynomial. If n is a negative integer, (a + bx)n is a rational function. If n is irrational, the function (a + bx)n is not even an algebraic function. This page intentionally left blank Use of the Tables∗ For the effective use of the tables contained in this book, it is necessary that the user should first become familiar with the classification system for integrals devised by the authors Ryzhik and Gradshteyn. This classification is described in detail in the section entitled The Order of Presentation of the Formulas (see page xxvii) and essentially involves the separation of the integrand into inner and outer functions. The principal function involved in the integrand is called the outer function, and its argument, which is itself usually another function, is called the inner function. Thus, if the integrand comprised the expression ln sin x, the outer function would be the logarithmic function while its argument, the inner function, would be the trigonometric function sin x. The desired integral would then be found in the section dealing with logarithmic functions, its position within that section being determined by the position of the inner function (here a trigonometric function) in Gradshteyn and Ryzhik’s list of functional forms. It is inevitable that some duplication of symbols will occur within such a large collection of integrals, and this happens most frequently in the first part of the book dealing with algebraic and trigonometric integrands. The symbols most frequently involved are α, β, γ, δ, t, u, z, zk , and Δ. The expressions associated with these symbols are used consistently within each section and are defined at the start of each new section in which they occur. Consequently, reference should be made to the beginning of the section being used in order to verify the meaning of the substitutions involved. Integrals of algebraic functions are expressed as combinations of roots with rational power indices, and definite integrals of such functions are frequently expressed in terms of the Legendre elliptic integrals F (φ, k), E (φ, k) and Π(φ, n, k), respectively, of the first, second, and third kinds. The four inverse hyperbolic functions arcsinh z, arccosh z, arctanh z, and arccoth z are introduced through the definitions 1 arcsinh(iz) i 1 arccos z = arccosh(z) i 1 arctan z = arctanh(iz) i arccot z = i arccoth(iz) arcsin z = ∗ Prepared by Alan Jeffrey for the English language edition. xxxi xxxii Use of the Tables or 1 arcsin(iz) i arccosh z = i arccos z 1 arctanh z = arctan(iz) i 1 arccoth z = arccot(−iz) i arcsinh z = The numerical constants C and G which often appear in the definite integrals denote Euler’s constant and Catalan’s constant, respectively. Euler’s constant C is defined by the limit s 1 − ln s = 0.577215 . . . . C = lim s→∞ m m=1 On occasion, other writers denote Euler’s constant by the symbol γ, but this is also often used instead to denote the constant γ = eC = 1.781072 . . . . Catalan’s constant G is related to the complete elliptic integral π/2 dx K ≡ K(k) ≡ 0 1 − k 2 sin2 x by the expression ∞ (−1)m 1 1 K dk = = 0.915965 . . . . G= 2 0 (2m + 1)2 m=0 Since the notations and definitions for higher transcendental functions that are used by different authors are by no means uniform, it is advisable to check the definitions of the functions that occur in these tables. This can be done by identifying the required function by symbol and name in the Index of Special Functions and Notation on page xxxix, and by then referring to the defining formula or section number listed there. We now present a brief discussion of some of the most commonly used alternative notations and definitions for higher transcendental functions. Bernoulli and Euler Polynomials and Numbers Extensive use is made throughout the book of the Bernoulli and Euler numbers Bn and En that are defined in terms of the Bernoulli and Euler polynomials of order n, B n (x) and E n (x), respectively. These polynomials are defined by the generating functions ∞ tn text = for |t| < 2π B n (x) t e − 1 n=0 n! and ∞ 2ext tn = for |t| < π. E n (x) t e + 1 n=0 n! The Bernoulli numbers are always denoted by Bn and are defined by the relation Bn = Bn (0) for n = 0, 1, . . . , when B0 = 1, 1 B1 = − , 2 B2 = 1 , 6 B4 = − 1 ,.... 30 Use of the Tables xxxiii The Euler numbers En are defined by setting 1 for n = 0, 1, . . . 2 The En are all integral, and E0 = 1, E2 = −1, E4 = 5, E6 = −61, . . . . An alternative definition of Bernoulli numbers, which we shall denote by the symbol Bn∗ , uses the same generating function but identifies the Bn∗ differently in the following manner: 1 t2 t4 t = 1 − t + B1∗ − B2∗ + . . . . t e −1 2 2! 4! This definition then gives rise to the alternative set of Bernoulli numbers E n = 2n E n B1∗ = 1/6, B2∗ = 1/30, B3∗ = 1/42, B4∗ = 1/30, B5∗ = 5/66, B6∗ = 691/2730, B7∗ = 7/6, B8∗ = 3617/510, . . . . These differences in notation must also be taken into account when using the following relationships that exist between the Bernoulli and Euler polynomials: B n (x) = n 1 n Bn−k E k (2x) k 2n n = 0, 1, . . . k=0 E n−1 (x) = 2n n E n−1 (x) = x 2 B n (x) − 2n B n n 2 or and Bn x+1 2 − Bn x 2 n = 1, 2, . . . n−2 n −1 n n−k 2 − 1 Bn−k B n (x) n = 2, 3, . . . k 2 k=0 There are also alternative definitions of the Euler polynomial of order n, and it should be noted that some authors, using a modification of the third expression above, call 2 x B n (x) − 2n B n n+1 2 the Euler polynomial of order n. E n−2 (x) = 2 Elliptic Functions and Elliptic Integrals The following notations are often used in connection with the inverse elliptic functions sn u, cn u, and dn u: 1 sn u sn u sc u = cn u sn u sd u = dn u ns u = 1 cn u cn u cs u = sn u cn u cd u = dn u nc u = 1 dn u dn u ds u = sn u dn u dc u = cn u nd u = xxxiv Use of the Tables The elliptic integral of the third kind is defined by Gradshteyn and Ryzhik to be ϕ da 2 Π ϕ, n , k = 2 2 0 1 − n sin a 1 − k 2 sin2 a −∞ < n2 < ∞ sin ϕ dx = 2 2 (1 − n x ) (1 − x2 ) (1 − k 2 x2 ) 0 The Jacobi Zeta Function and Theta Functions The Jacobi zeta function zn(u, k), frequently written Z(u), is defined by the relation u E E 2 zn(u, k) = Z(u) = dn υ − dυ = E(u) − u. K K 0 This is related to the theta functions by the relationship ∂ zn(u, k) = ln Θ(u) ∂u giving (i). (ii). (iii). (iv). πu π ϑ1 2K zn(u, k) = 2K ϑ πu 1 2K πu π ϑ2 2K zn(u, k) = 2K ϑ πu 2 2K πu π ϑ3 2K zn(u, k) = 2K ϑ πu 3 2K πu π ϑ4 2K zn(u, k) = 2K ϑ πu 4 2K − cn u dn u sn u − dn u sn u cn u − k2 sn u cn u dn u Many different notations for the theta function are in current use. The most common variants are the replacement of the argument u by the argument u/π and, occasionally, a permutation of the identification of the functions ϑ1 to ϑ4 with the function ϑ4 replaced by ϑ. The Factorial (Gamma) Function In older reference texts, the gamma function Γ(z), defined by the Euler integral ∞ Γ(z) = tz−1 e−t dt, 0 is sometimes expressed in the alternative notation Γ(1 + z) = z! = Π(z). On occasions, the related derivative of the logarithmic factorial function Ψ(z) is used where (z!) d (ln z!) = = Ψ(z). dz z! Use of the Tables xxxv This function satisfies the recurrence relation Ψ(z) = Ψ(z − 1) + and is defined by the series Ψ(z) = −C + ∞ n=0 1 z−1 1 1 − n+1 z+n . The derivative Ψ (z) satisfies the recurrence relation Ψ (z + 1) = Ψ (z) − and is defined by the series Ψ (z) = 1 z2 ∞ 1 . (z + n)2 n=0 Exponential and Related Integrals The exponential integrals E n (z) have been defined by Schloemilch using the integral ∞ E n (z) = e−zt t−n dt (n = 0, 1, . . . , Re z > 0) . 1 They should not be confused with the Euler polynomials already mentioned. The function E 1 (z) is related to the exponential integral Ei(z) through the expressions ∞ E 1 (z) = − Ei(−z) = e−t t−1 dt z and z dt = Ei (ln z) [z > 1] . ln t 0 The functions E n (z) satisfy the recurrence relations 1 −z e − z E n−1 (z) E n (z) = [n > 1] n−1 and E n (z) = − E n−1 (z) with li(z) = E 0 (z) = e−z /z. The function E n (z) has the asymptotic expansion e−z 3π n n(n + 1) n(n + 1)(n + 2) − + · · · |arg z| < E n (z) ∼ 1− + z z z2 z3 2 while for large n, n e−x n(n − 2x) n 6x2 − 8nx + n2 1+ + + + R(n, x) , E n (x) = x+n (x + n)2 (x + n)4 (x + n)6 where 1 −0.36n−4 ≤ R(n, x) ≤ 1 + [x > 0] . n−4 x+n−1 The sine and cosine integrals si(x) and ci(x) are related to the functions Si(x) and Ci(x) by the integrals x π sin t Si(x) = dt = si(x) + t 2 0 and xxxvi Use of the Tables (cos t − 1) dt. t 0 The hyperbolic sine and cosine integrals shi(x) and chi(x) are defined by the relations x sinh t shi(x) = dt t 0 and x (cosh t − 1) chi(x) = C + ln x + dt. t 0 Some authors write x (1 − cos t) Cin(x) = dt t 0 so that Cin(x) = − Ci(x) + ln x + C. The error function erf(x) is defined by the relation x 2 2 erf(x) = Φ(x) = √ e−t dt, π 0 and the complementary error function erfc(x) is related to the error function erfc(x) and to Φ(x) by the expression erfc(x) = 1 − erf(x). The Fresnel integrals S (x) and C (x) are defined by Gradshteyn and Ryzhik as x 2 S (x) = √ sin t2 dt 2π 0 and x 2 C (x) = √ cos t2 dt. 2π 0 Other definitions that are in use are x x πt2 πt2 dt, C 1 (x) = dt, S 1 (x) = sin cos 2 2 0 0 and x x sin t cos t 1 1 √ dt, √ dt. S 2 (x) = √ C 2 (x) = √ t t 2π 0 2π 0 These are related by the expressions 2 = S 2 x2 S (x) = S 1 x π and 2 = C 2 x2 C (x) = C 1 x π x Ci(x) = C + ln x + Hermite and Chebyshev Orthogonal Polynomials The Hermite polynomials H n (x) are related to the Hermite polynomials He n (x) by the relations x He n (x) = 2−n/2 H n √ 2 and √ H n (x) = 2n/2 He n x 2 . Use of the Tables xxxvii These functions satisfy the differential equations dHn d2 H n + 2n H n = 0 − 2x 2 dx dx and d2 He n d He n + n He n = 0. −x dx2 dx They obey the recurrence relations H n+1 = 2x H n −2n H n−1 and He n+1 = x He n −n He n−1 . The first six orthogonal polynomials He n are He 0 = 1, He 1 = x, He 2 = x2 − 1, He 3 = x3 − 3x, He 4 = x4 − 6x2 + 3, He 5 = x5 − 10x3 + 15x. Sometimes the Chebyshev polynomial U n (x) of the second kind is defined as a solution of the equation d2 y dy + n(n + 2)y = 0. 1 − x2 − 3x dx2 dx Bessel Functions A variety of different notations for Bessel functions are in use. Some common ones involve the replacement of Y n (z) by N n (z) and the introduction of the symbol Λn (z) = 1 z 2 −n Γ(n + 1) J n (z). In the book by Gray, Mathews, and MacRobert, the symbol Y n (z) is used to denote 1 π Y n (z) + 2 (ln 2 − C) J n (z) while Neumann uses the symbol Y (n) (z) for the identical quantity. (2) The Hankel functions H (1) ν (z) and H ν (z) are sometimes denoted by Hsν (z) and Hiν (z), and some 1 authors write Gν (z) = πi H (1) ν (z). 2 The Neumann polynomial O n (t) is a polynomial of degree n + 1 in 1/t, with O 0 (t) = 1/t. The polynomials O n (t) are defined by the generating function ∞ 1 = J 0 (z) O 0 (t) + 2 J k (z) O k (t), t−z k=1 giving O n (t) = [n/2] 1 n(n − k − 1)! 4 k! where 12 n signifies the integral part of polynomials: k=0 1 2 n. 2 t n−2k+1 for n = 1, 2, . . . , The following relationship holds between three successive (n − 1) O n+1 (t) + (n + 1) O n−1 (t) − 2 n2 − 1 nπ 2n O n (t) = sin2 . t t 2 xxxviii Use of the Tables The Airy functions Ai(z) and Bi(z) are independent solutions of the equation d2 u − zu = 0. dz 2 The solutions can be represented in terms of Bessel functions by the expressions 2 3/2 2 3/2 2 3/2 1√ 1 z Ai(z) = z z K 1/3 z z I −1/3 − I 1/3 = 3 3 3 π 3 3 2 3/2 2 3/2 1√ Ai(−z) = z z z J 1/3 + J −1/3 3 3 3 and by Bi(z) = Bi(−z) = z 3 I −1/3 2 3/2 z 3 + I 1/3 2 3/2 z 3 z 3 J −1/3 2 3/2 z 3 − J 1/3 2 3/2 z 3 , . Parabolic Cylinder Functions and Whittaker Functions The differential equation d2 y 2 + az + bz + c y = 0 dz 2 has associated with it the two equations 1 2 1 2 d2 y d2 y z + a y = 0 and 2 − z + a y = 0, + 2 dz 4 dz 4 the solutions of which are parabolic cylinder functions. The first equation can be derived from the second by replacing z by zeiπ/4 and a by −ia. The solutions of the equation 1 2 d2 y z +a y =0 − dz 2 4 are sometimes written U (a, z) and V (a, z). These solutions are related to Whittaker’s function D p (z) by the expressions U (a, z) = D −a− 12 (z) and 1 1 D −a− 12 (−z) + (sin πa) D −a− 12 (z) . V (a, z) = Γ +a π 2 Mathieu Functions There are several accepted notations for Mathieu functions and for their associated parameters. The defining equation used by Gradshteyn and Ryzhik is d2 y + a − 2k 2 cos 2z y = 0 with k 2 = q. dz 2 Different notations involve the replacement of a and q in this equation by h and θ, λ and h2 , and √ b and c = 2 q, respectively. The periodic solutions sen (z, q) and cen (z, q) and the modified periodic solutions Sen (z, q) and Cen (z, q) are suitably altered and, sometimes, re-normalized. A description of these relationships together with the normalizing factors is contained in: Tables Relating to Mathieu Functions. National Bureau of Standards, Columbia University Press, New York, 1951. Index of Special Functions Notation β(x) Γ(z) γ(a, x), Γ(a, x) Δ(n − k) ξ(s) λ(x, y) μ(x, β), μ(x, β, α) ν(x), ν(x, α) Π(x) Π(ϕ, n, k) ζ(u) ζ(z, q), ζ(z) πu πu , Θ1 (u) = ϑ⎫ Θ(u) ⎧ = ϑ4 2K 3 2K ⎪ ⎨ ϑ0 (υ | τ ) = ϑ4 (υ | τ ), ⎪ ⎬ ϑ1 (υ | τ ), ϑ2 (υ | τ ), ⎪ ⎪ ⎩ ⎭ ϑ3 (υ | τ ) σ(u) Φ(x) Φ(z, s, υ) Φ(a, c; x) = 1 F 1 (α; γ; ⎧ ⎫ x) Φ (α, β, γ, x, y) ⎪ ⎪ ⎨ 1 ⎬ Φ2 (β, β , γ, x, y) ⎪ ⎪ ⎩ ⎭ Φ3 (β, γ, x, y) ψ(x) ℘(u) am(u, k) Bn B n (x) B(x, y) Bx (p, q) bei(z), ber(z) Name of the function and the number of the formula containing its definition Lobachevskiy’s angle of parallelism Elliptic integral of the third kind Weierstrass zeta function Riemann’s zeta functions Jacobian theta function 8.37 8.31–8.33 8.35 18.1 9.56 9.640 9.640 9.640 1.48 8.11 8.17 9.51–9.54 8.191–8.196 Elliptic theta functions 8.18, 8.19 Weierstrass sigma function See probability integral Lerch function Confluent hypergeometric function 8.17 8.25 9.55 9.21 Degenerate hypergeometric series in two variables 9.26 Euler psi function Weierstrass elliptic function Amplitude (of an elliptic function) Bernoulli numbers Bernoulli polynomials Beta functions Incomplete beta functions Thomson functions 8.36 8.16 8.141 9.61, 9.71 9.620 8.38 8.39 8.56 Gamma function Incomplete gamma functions Unit integer pulse function continued on next page xxxix xl Index of Special Functions continued from previous page Notation C C (x) C ν (a) C λn (t) C λn (x) ce2n (z, q), ce2n+1 (z, q) Ce2n (z, q), Ce2n+1 (z, q) chi(x) ci(x) cn(u) D(k) ≡ D D(ϕ, k) D n (z), D p (z) dn u e1 , e2 , e3 En E (ϕ, k) E(k) = E E(k ) = E E(p; ar : q; s : x) Eν (z) Ei(z) erf(x) erfc(x) = 1 − erf(x) F (ϕ, k) (α , . . . , αp ; β1 , . . . , βq ; z) F p q 1 (α, β; γ; z) = F (α, β; γ; z) F 2 1 (α; γ; z) = Φ(α, γ; z) F 1 1 FΛ (α :β1 , . . . , βn ; γ1 , . . . . . . , γn : z1 , . . . , zn ) F1 , F2 , F3 , F4 fen (z, q), Fen (z, q) . . . Feyn (z, q), Fekn (z, q) . . . G g2 , g3 gd x gen (z, q), Gen (z, q) Geyn (z, q), Gekn (z, q) ! ! ,... ,ap x ! ab11,... G m,n p,q ,bq Name of the function and the number of the formula containing its definition Euler constant 9.73, 8.367 Fresnel cosine integral 8.25 Young functions 3.76 Gegenbauer polynomials 8.93 Gegenbauer functions 8.932 1 Periodic Mathieu functions (Mathieu 8.61 functions of the first kind) Associated (modified) Mathieu functions of 8.63 the first kind Hyperbolic cosine integral function 8.22 Cosine integral 8.23 Cosine amplitude 8.14 Elliptic integral 8.112 Elliptic integral 8.111 Parabolic cylinder functions 9.24–9.25 Delta amplitude 8.14 (used with the Weierstrass function) 8.162 Euler numbers 9.63, 9.72 Elliptic integral of the second kind 8.11–8.12 Complete elliptic integral of the second 8.11-8.12 kind MacRobert’s function 9.4 Weber function 8.58 Exponential integral function 8.21 Error function 8.25 Complementary error function 8.25 Elliptic integral of the first kind 8.11–8.12 Generalized hypergeometric series 9.14 Gauss hypergeometric function 9.10–9.13 Degenerate hypergeometric function 9.21 Hypergeometric function of several 9.19 variables Hypergeometric functions of two variables 9.18 Other nonperiodic solutions of Mathieu’s 8.64, 8.663 equation Catalan constant 9.73 Invariants of the ℘(u)-function 8.161 Gudermannian 1.49 Other nonperiodic solutions of Mathieu’s equation 8.64, 8.663 Meijer’s functions 9.3 continued on next page Index of Special Functions xli continued from previous page Notation h(n) heiν (z), herν (z) H (1) ν (z), H (2) ν (z) πu H (u) = ϑ1 2K πu H 1 (u) = ϑ2 2K H n (z) Hν (z) I ν (z) I x (p, q) J ν (z) Jν (z) kν (x) K(k) = K, K(k ) = K K ν (z) kei(z), ker(z) L(x) Lν (z) Lα n (z) li(x) M λ,μ (z) O n (x) P μν (z), P μν (x) P ν (z), P ν (x) ⎫ ⎧ ⎨a b c ⎬ P α β γ δ ⎩ ⎭ α β γ P (α,β) (x) n Q μν (z), Q μν (x) Q ν (z), Q ν (x) S (x) S n (x) s μ,ν (z), S μ,ν (z) se2n+1 (z, q), se2n+2 (z, q) Se2n+1 (z, q), Se2n+2 (z, q) shi(x) si(x) sn u T n (x) U n (x) Name of the function and the number of the formula containing its definition Unit integer function 18.1 Thomson functions 8.56 Hankel functions of the first and second 8.405, 8.42 kinds Theta function 8.192 Theta function 8.192 Hermite polynomials 8.95 Struve functions 8.55 Bessel functions of an imaginary argument 8.406, 8.43 Normalized incomplete beta function 8.39 Bessel function 8.402, 8.41 Anger function 8.58 Bateman’s function 9.210 3 Complete elliptic integral of the first kind 8.11–8.12 Bessel functions of imaginary argument 8.407, 8.43 Thomson functions 8.56 Lobachevskiy’s function 8.26 Modified Struve function 8.55 Laguerre polynomials 8.97 Logarithm integral 8.24 Whittaker functions 9.22, 9.23 Neumann’s polynomials 8.59 Associated Legendre functions of the first 8.7, 8.8 kind Legendre functions and polynomials 8.82, 8.83, 8.91 Riemann’s differential equation 9.160 Jacobi’s polynomials Associated Legendre functions of the second kind Legendre functions of the second kind Fresnel sine integral Schläfli’s polynomials Lommel functions Periodic Mathieu functions Mathieu functions of an imaginary argument Hyperbolic sine integral Sine integral Sine amplitude Chebyshev polynomial of the 1st kind Chebyshev polynomials of the 2nd kind 8.96 8.7, 8.8 8.82, 8.83 8.25 8.59 8.57 8.61 8.63 8.22 8.23 8.14 8.94 8.94 continued on next page xlii Index of Special Functions continued from previous page Notation U ν (w, z), V ν (w, z) W λ,μ (z) Y ν (z) Z ν (z) Zν (z) Name of the function and the number of the formula containing its definition Lommel functions of two variables 8.578 Whittaker functions 9.22, 9.23 Neumann functions 8.403, 8.41 Bessel functions 8.401 Bessel functions Notation Symbol Meaning The integral part of the real number x (also denoted by [x]) x (b+) a (b−) a " C PV Contour integrals; the path of integration starting at the point a extends to the point b (along a straight line unless there is an indication to the contrary), encircles the point b along a small circle in the positive (negative) direction, and returns to the point a, proceeding along the original path in the opposite direction. Line integral along the curve C " Principal value integral z = x − iy The complex conjugate of z = x + iy n! = 1 · 2 · 3 . . . n, (2n + 1)!! = 1 · 3 . . . (2n + 1). (double factorial notation) (2n)!! = 2 · 4 . . . (2n). (double factorial notation) 0!! = 1 and (−1)!! = 1 (cf. 3.372 for n = 0) 00 = 1 (cf. 0.112 and 0.113 for q = 0) p! p(p − 1) . . . (p − n + 1) = , 1 · 2...n n!(p − n)! [n = 1, 2, . . . , p ≥ n] = p n x n (a)n n k=m n # , 0! = 1 p 0 = 1, p n = p! n!(p − n)! = x(x − 1) . . . (x − n + 1)/n! [n = 0, 1, . . . ] = a(a + 1) . . . (a + n − 1) = (Pochhammer symbol) n = um + um+1 + . . . + un . If n < m, we define uk = 0 uk , Γ(a+n) Γ(a) m,n $ k=m Summation over all integral values of n excluding n = 0, and summation over all integral values of n and m excluding m = n = 0, respectively. # $ An empty has value 0, and an empty has value 1 continued on next page xliii xliv Notation continued from previous page Symbol 1 i=j δij = 0 i=j Meaning Kronecker delta τ Theta function parameter (cf. 8.18) × and ∧ Vector product (cf. 10.11) · Scalar product (cf. 10.11) ∇ or “del” Vector operator (cf. 10.21) ∇2 Laplacian (cf. 10.31) ∼ Asymptotically equal to arg z The argument of the complex number z = x + iy curl or rot Vector operator (cf. 10.21) div Vector operator (divergence) (cf. 10.21) F Fourier transform (cf. 17.21) Fc Fourier cosine transform (cf. 17.31) Fs Fourier sine transform (cf. 17.31) grad Vector operator (gradient) (cf. 10.21) hi and gij Metric coefficients (cf. 10.51) H Hermitian transpose of a vector or matrix (cf. 13.123) 0 x<0 H(x) = 1 x≥0 Heaviside step function Im z ≡ y The imaginary part of the complex number z = x + iy k The letter k (when not used as an index of summation) denotes a number in the interval [0, 1]. This notation is used in√integrals that lead to elliptic integrals. In such a connection, the number 1 − k 2 is denoted by k . L Laplace transform (cf. 17.11) M Mellin transform (cf. 17.41) N The natural numbers (0, 1, 2, . . . ) O(f (z)) The order of the function f (z). Suppose that the point z approaches z0 . If there exists an M > 0 such that |g(z)| ≤ M |f (z)| in some sufficiently small neighborhood of the point z0 , we write g(z) = O(f (z)). continued on next page Notation xlv continued from previous page Symbol Meaning q The nome, a theta function parameter (cf. 8.18) R The real numbers R(x) A rational function Re z ≡ x The real part of the complex number z = x + iy Snm Stirling number of the first kind (cd. 9.74) Sm n Stirling number of the second kind (cd. 9.74) ⎧ ⎪ ⎨+1 sign x = 0 ⎪ ⎩ −1 x>0 x=0 x<0 The sign (signum) of the real number x T Transpose of a vector or matrix (cf. 13.115) Z The integers (0, ±1, ±2, . . . ) Zb Bilateral z transform (cf. 18.1) Zu Unilateral z transform (cf. 18.1) This page intentionally left blank Note on the Bibliographic References The letters and numbers following equations refer to the sources used by Russian editors. The key to the letters will be found preceding each entry in the Bibliography beginning on page 1141. Roman numerals indicate the volume number of a multivolume work. Numbers without parentheses indicate page numbers, numbers in single parentheses refer to equation numbers in the original sources. Some formulas were changed from their form in the source material. In such cases, the letter a appears at the end of the bibliographic references. As an example, we may use the reference to equation 3.354–5: ET I 118 (1) a The key on page 1141 indicates that the book referred to is: Erdélyi, A. et al., Tables of Integral Transforms. The Roman numeral denotes volume one of the work; 118 is the page on which the formula will be found; (1) refers to the number of the formula in this source; and the a indicates that the expression appearing in the source differs in some respect from the formula in this book. In several cases, the editors have used Russian editions of works published in other languages. Under such circumstances, because the pagination and numbering of equations may be altered, we have referred the reader only to the original sources and dispensed with page and equation numbers. xlvii This page intentionally left blank 0 Introduction 0.1 Finite Sums 0.11 Progressions 0.111 Arithmetic progression. n−1 n n (a + kr) = [2a + (n − 1)r] = (a + l) 2 2 [l = a + (n − 1)r is the last term] k=0 0.112 Geometric progression. n a (q n − 1) aq k−1 = q−1 [q = 1] k=1 0.113 Arithmetic-geometric progression. n−1 rq 1 − q n−1 a − [a + (n − 1)r]q n + (a + kr)q k = 1−q (1 − q)2 k=0 0.1148 n−1 k 2 xk = −n + 2n − 1 x 2 k=1 n+2 [q = 1, n > 1] 2 n+1 + 2n − 2n − 1 x − n2 xn + x2 + x (1 − x)3 JO (5) 0.12 Sums of powers of natural numbers 0.121 n k=1 1. n k=1 2. 3. n nq 1 q nq+1 1 q 1 q + + B2 nq−1 + B4 nq−3 + B6 nq−5 + · · · q+1 2 2 1 4 3 6 5 nq+1 nq qnq−1 q(q − 1)(q − 2) q−3 q(q − 1)(q − 2)(q − 3)(q − 4) q−5 = + + − n n + − ··· q+1 2 12 720 30, 240 [last term contains either n or n2 ] CE 332 kq = k= n(n + 1) 2 CE 333 n(n + 1)(2n + 1) 6 k=1 2 n n(n + 1) 3 k = 2 k2 = CE 333 CE 333 k=1 1 2 Finite Sums 4. 5. 6. 7. n k=1 n k=1 n k=1 n k4 = 1 n(n + 1)(2n + 1)(3n2 + 3n − 1) 30 CE 333 k5 = 1 2 n (n + 1)2 (2n2 + 2n − 1) 12 CE 333 k6 = 1 n(n + 1)(2n + 1)(3n4 + 6n3 − 3n + 1) 42 CE 333 k7 = 1 2 n (n + 1)2 (3n4 + 6n3 − n2 − 4n + 2) 24 CE 333 k=1 0.122 0.122 n 2q q+1 1 n − q+1 2 (2k − 1)q = k=1 q q−1 1 2 B2 nq−1 − 1 4 q q−3 3 2 2 − 1 B4 nq−3 − · · · 3 [last term contains either n or n2 .] 1. 2. 3. 4.11 5.10 6.10 n k=1 n k=1 n k=1 n k=1 n k=1 n (2k − 1) = n2 1 n(4n2 − 1) 3 (2k − 1)2 = (2k − 1)3 = n2 (2n2 − 1) (mk − 1) = n (mk − 1)2 = 1 n[m2 (n + 1)(2n + 1) − 6m(n + 1) + 6] 6 (mk − 1)3 = 1 n[m3 n(n + 1)2 − 2m2 (n + 1)(2n + 1) + 6m(n + 1) − 4] 4 k(k + 1)2 = k=1 0.124 1. 2.10 1 n(n + 1)(n + 2)(3n + 5) 12 q 1 k n2 − k 2 = q(q + 1) 2n2 − q 2 − q 4 k=1 n k(k + 1)3 = k=1 0.125 0.126 JO (32b) n [m(n + 1) − 2] 2 k=1 0.123 JO (32a) n k=1 n k=0 1 n(n + 1) 12n3 + 63n2 + 107n + 58 60 k! · k = (n + 1)! − 1 (n + k)! = k!(n − k)! [q = 1, 2, . . .] e K 1 π n+ 2 AD (188.1) 1 2 WA 94 0.142 Sums of the binomial coefficients 3 0.13 Sums of reciprocals of natural numbers ∞ n 1 1 Ak = C + ln n + − , k 2n n(n + 1) . . . (n + k − 1) 0.13111 k=1 JO (59), AD (1876) k=2 where 1 1 x(1 − x)(2 − x)(3 − x) · · · (k − 1 − x) dx k 0 1 1 A2 = , A3 = 12 12 19 9 A4 = , A5 = , 120 20 3 n 2 − 1 B4 1 B2 1 7 0.132 = (C + ln n) + ln 2 + 2 + + ... 2k − 1 2 8n 64n4 k=1 n 3 2n + 1 1 = − 0.133 k2 − 1 4 2n(n + 1) Ak = JO (71a)a JO (184f) k=2 0.14 Sums of products of reciprocals of natural numbers 1. n k=1 2. n k=1 3. 4. n 1 = [p + (k − 1)q](p + kq) p(p + nq) GI III (64)a n(2p + nq + q) 1 = [p + (k − 1)q](p + kq)[p + (k + 1)q] 2p(p + q)(p + nq)[p + (n + 1)q] GI III (65)a n 1 [p + (k − 1)q](p + kq) . . . [p + (k + l)q] k=1 1 1 1 − = (l + 1)q p(p + q) . . . (p + lq) (p + nq)[p + (n + 1)q] . . . [p + (n + l)q] n k=1 1 1 = [1 + (k − 1)q][1 + (k − l)q + p] p % n k=1 1 − 1 + (k − 1)q n k=1 1 1 + (k − 1)q + p & AD (1856)a GI III (66)a 0.142 n k2 + k − 1 k=1 (k + 2)! = 1 n+1 − 2 (n + 2)! JO (157) 0.15 Sums of the binomial coefficients Notation: n is a natural number. 1. m k=0 2. 1+ n+k n = n+m+1 n+1 n n + + . . . = 2n−1 2 4 KR 64 (70.1) KR 62 (58.1) 4 Finite Sums 3. 4. n n n + + + . . . = 2n−1 1 3 5 m n−1 n = (−1)m (−1)k m k 0.152 KR 62 (58.1) [n ≥ 1] KR 64 (70.2) k=0 0.152 1. 2. 3. n n n + + + ... = 0 3 6 n n n + + + ... = 1 4 7 nπ 1 n 2 + 2 cos 3 3 1 (n − 2)π 2n + 2 cos 3 3 KR 62 (59.1) KR 62 (59.2) (n − 4)π 3 n n n 1 + + + ... = 3 2 5 8 2n + 2 cos n 0 n 1 n 2 n 3 2n−1 + 2 2 cos KR 62 (59.3) 0.153 1. 2. 3. 4. n 4 n + 5 n + 6 n + 7 n 8 n + 9 n + 10 n + 11 + + 1 2 1 + ... = 2 1 + ... = 2 1 + ... = 2 + ... = nπ 4 n nπ 2n−1 + 2 2 sin 4 n nπ 2n−1 − 2 2 cos 4 n nπ 2n−1 − 2 2 sin 4 n KR 63 (60.1) KR 63 (60.2) KR 63 (60.3) KR 63 (60.4) 0.154 1. n n = 2n−1 (n + 2) k (k + 1) k=0 2. n (−1)k+1 k k=1 3. N n n N KR 63 (66.2) (−1)k n n k = (−1)n n! k [n ≥ 0; 00 ≡ 1] (−1)k n (α + k)n = (−1)n n! k [n ≥ 0; 00 ≡ 1] (−1)k N k [N ≥ n ≥ 1, k=0 6. [n ≥ 2] N k k=0 5. KR 63 (66.1) (−1)k k=0 4. n =0 k [n ≥ 0] k=0 k n−1 = 0 (α + k)n−1 = 0 [N ≥ n ≥ 1; 00 ≡ 1] 00 ≡ 1 N, n ∈ N + ] 0.155 1. n (−1)k+1 k=1 k+1 n n = k n+1 KR 63 (67) 0.159 2. Sums of the binomial coefficients n 1 k+1 k=0 3. n αk+1 k+1 k=0 4. n 2n+1 − 1 = k n+1 KR 63 (68.1) n (α + 1)n+1 − 1 = k n+1 KR 63 (68.2) n (−1)k+1 n n 1 = k m m=1 k k=1 5 KR 64 (69) 0.156 1. p n k k=0 2. n−p n k k=0 m p−k = n p+k = n+m p [m is a natural number] (2n)! (n − p)!(n + p)! KR 64 (71.1) KR 64 (71.2) 0.157 1. n n k 2 2n n = k=0 2. 2n 2n k (−1)k k=0 3. 2n+1 n k k=1 0.15810 1. 2. 3. 4. 0.15910 1. n k n 2k 2 = 2n n = (−1)n 2n + 1 k (−1)k k=0 4. 2 KR 64 (72.1) 2 KR 64 (72.2) =0 KR 64 (72.3) (2n − 1)! KR 64 (72.4) 2 [(n − 1)!] −2 k+1 k=1 2n − k n−k 2n − k − 1 n−k−1 − 2k+1 k=1 2n − k n−k 2n − k − 1 n−k−1 − 2k+1 k=1 2n − k n−k 2n − k − 1 n−k−1 − 2k+1 k=1 2n − k n−k 2n − k − 1 n−k−1 n 2k n 2k n 2k n k=0 2n n−k − 2n n−k−1 2n n k = 4n − k 2 = 4n − 2n n 3 · 4n k 3 = (6n + 13)4n − 18n k 4 = (32n2 + 104n) 1 n k= 4 − 2 2n n 2n n 2n n − (60n + 75)4n 6 Numerical Series and Infinite Products 2. 3. n − k=0 2n n−k 2n n−k−1 − k=0 2n n−k 2n n−k−1 2n k αk + n k2 = 1 (2n + 1) 2 k3 = (3n + 2) n 1 ·4 − 4 2 2n n 0.160 − 4n 2n n 0.16010 1. 2n k=n+1 2. n (−1)r r=0 n r 1 2 2n n αn + n−1 (1 + α)2n−1 (1 − α) 2 k=0 2k k (3n + 1) α (1 + α)2 k = 1 (1 + α)2n 2 Γ (r + b) B (n + a − b, b) = Γ (r + a) Γ (a − b) 0.2 Numerical Series and Infinite Products 0.21 The convergence of numerical series The series ∞ 0.211 uk = u1 + u2 + u3 + . . . k=1 is said to converge absolutely if the series ∞ 0.212 |uk | = |u1 | + |u2 | + |u3 | + · · · , k=1 composed of the absolute values of its terms converges. If the series 0.211 converges and the series 0.212 diverges, the series 0.211 is said to converge conditionally. Every absolutely convergent series converges. 0.22 Convergence tests Suppose that lim |uk | k→∞ 1/k =q If q < 1, the series 0.211 converges absolutely. On the other hand, if q > 1, the series 0.211 diverges. (Cauchy) 0.222 Suppose that ! ! ! uk+1 ! !=q lim !! k→∞ uk ! ! ! ! uk+1 ! ! Here, if q < 1, the series 0.211 converges absolutely. If q > 1, the series 0.211 diverges. If !! uk ! approaches 1 but remains greater than unity, then the series 0.211 diverges. (d’Alembert) 0.223 Suppose that ! ! ! uk ! ! ! lim k ! −1 =q k→∞ uk+1 ! Here, if q > 1, the series 0.211 converges absolutely. If q < 1, the series 0.211 diverges. (Raabe) 0.229 Convergence tests 7 0.224 Suppose that f (x) is a positive decreasing function and that ek f ek lim =q k→∞ f (k) #∞ for natural k. If q < 1, the series k=1 f (k) converges. If q > 1, this series diverges. (Ermakov) 0.225 Suppose that ! ! ! uk ! q |vk | ! ! ! uk+1 ! = 1 + k + k p , where p > 1 and the |vk | are bounded, that is, the |vk | are all less than some M , which is independent of k. Here, if q > 1, the series 0.211 converges absolutely. If q ≤ 1, this series diverges. (Gauss) 0.226 Suppose that a function f (x) defined for x ≥ q ≥ 1 is continuous, positive, and decreasing. Under these conditions, the series ∞ f (k) k=1 converges or diverges accordingly as the integral ∞ f (x) dx q converges or diverges (the Cauchy integral test). 0.227 Suppose that all terms of a sequence u1 , u2 , . . . , un are positive. In such a case, the series 1. ∞ (−1)k+1 uk = u1 − u2 + u3 − . . . k=1 is called an alternating series. If the terms of an alternating series decrease monotonically in absolute value and approach zero, that is, if 2. 3. uk+1 < uk and lim uk = 0, k→∞ the series 0.227 1 converges. Here, the remainder of the series is ! !∞ ∞ n ! ! ! ! (−1)k−n+1 uk = ! (−1)k+1 uk − (−1)k+1 uk < un+1 ! ! ! k=n+1 0.228 1. k=1 (Leibniz) k=1 If the series ∞ vk = v1 + v2 + . . . + vk + . . . k=1 2. converges and the numbers uk form a monotonic bounded sequence, that is, if |uk | < M for some number M and for all k, the series ∞ uk vk = u1 v1 + u2 v2 + . . . + uk vk + . . . FI II 354 k=1 converges. (Abel) 0.229 If the partial sums of the series 0.228 1 are bounded and if the numbers uk constitute a monotonic sequence that approaches zero, that is, if 8 Numerical Series and Infinite Products ! ! n ! ! ! ! vk ! < M ! ! ! [n = 1, 2, . . .] 0.231 and lim uk = 0, k=1 FI II 355 k→∞ then the series 0.228 2 converges (Dirichlet). 0.23–0.24 Examples of numerical series 0.231 Progressions ∞ 1. aq k = k=0 ∞ 2. a 1−q (a + kr)q k = k=0 0.232 1. ∞ ∞ 1 = ln 2 k (−1)k+1 π 1 1 =1−2 = 2k − 1 (4k − 1)(4k + 1) 4 3. (cf. 0.113) (cf. 1.511) k=1 ∞ ka k=1 [|q| < 1] ∞ k=1 ∗ rq a + 1 − q (1 − q)2 (−1)k+1 k=1 2. [|q| < 1] (cf. 1.643) ⎤ ⎡ a i 1 (−1)j (a + 1)!(i − j)a ⎦ 1 ⎣ = bk (b − 1)a+1 i=1 ba−i j=0 j!(a + 1 − j)! [a = 1, 2, 3, . . . , 0.233 1. ∞ 1 1 1 = 1 + p + p + . . . = ζ(p) kp 2 3 b = 1] [Re p > 1] WH [Re p > 0] WH k=1 2. ∞ (−1)k+1 k=1 3.10 ∞ 1 22n−1 π 2n |B2n |, = k 2n (2n)! k=1 4. ∞ (−1)k+1 k=1 5. ∞ k=1 6. 1 = (1 − 21−p ) ζ(p) kp ∞ k=1 ∞ 1 π2 = k2 6 1 (22n−1 − 1)π 2n |B2n | = k 2n (2n)! 1 (22n − 1)π 2n |B2n | = 2n (2k − 1) 2 · (2n)! (−1)k+1 FI II 721 k=1 1 π 2n+1 |E2n | = 2n+2 2n+1 (2k − 1) 2 (2n)! JO (165) JO (184b) JO (184d) 0.236 0.234 1. 2. 3. 4. 5. 6. 7. 8.6 9.∗ Examples of numerical series ∞ k=1 ∞ k=1 ∞ k=0 ∞ k=1 ∞ k=1 ∞ k=1 ∞ (−1)k+1 1 π2 = 2 k 12 9 EU 1 π2 = 2 (2k − 1) 8 EU (−1)k =G (2k + 1)2 FI II 482 (−1)k+1 π3 = (2k − 1)3 32 EU 1 π4 = 4 (2k − 1) 96 EU (−1)k+1 5π 5 = (2k − 1)5 1536 EU (−1)k+1 k=1 ∞ k π2 − ln 2 = (k + 1)2 12 1 = 2 − 2 ln 2 k(2k + 1) k=1 ∞ √ Γ n + 12 = π ln 4 2 n Γ (n) n=1 0.235 Sn = ∞ k=1 S1 = (4k 2 1 , 2 1 n − 1) S2 = π2 − 8 , 16 S3 = 32 − 3π 2 , 64 S4 = π 4 + 30π 2 − 384 768 JO (186) 0.236 1. 2. 3. 4. 5. ∞ k=1 ∞ k=1 ∞ k=1 ∞ 1 = 2 ln 2 − 1 k (4k 2 − 1) BR 51a 3 1 = (ln 3 − 1) 2 k (9k − 1) 2 BR 51a 3 1 = −3 + ln 3 + 2 ln 2 k (36k 2 − 1) 2 k = 2 (4k 2 − 1) k=1 ∞ k=1 1 k (4k 2 2 − 1) 1 8 = BR 52, AD (6913.3) BR 52 3 − 2 ln 2 2 BR 52 10 6. Numerical Series and Infinite Products ∞ 2 k=1 7.6 12k 2 − 1 ∞ k=1 k (4k 2 − 1) 0.237 = 2 ln 2 AD (6917.3), BR 52 1 π2 − 2 ln 2 =4− 2 k(2k + 1) 4 0.237 1. ∞ k=1 2. ∞ k=1 3. ∞ k=2 4. 1 1 = (2k − 1)(2k + 1) 2 1 π 1 = − (4k − 1)(4k + 1) 2 8 3 1 = (k − 1)(k + 1) 4 ∞ k=1,k=m 5. AD (6917.2), BR 52 ∞ k=1,k=m [cf. 0.133], 3 1 =− 2 (m + k)(m − k) 4m [m is an integer] AD (6916.1) 3 (−1)k−1 = (m − k)(m + k) 4m2 [m is an even number] AD (6916.2) 0.238 1. ∞ k=1 2. ∞ k=1 3. 1 1 = ln 2 − (2k − 1)2k(2k + 1) 2 1 (−1)k+1 = (1 − ln 2) (2k − 1)2k(2k + 1) 2 ∞ 1 1 π 1 = − ln 3 + √ (3k + 1)(3k + 2)(3k + 3)(3k + 4) 6 4 12 3 k=0 GI III (93) GI III (94)a GI III (95) 0.239 1.11 ∞ (−1)k+1 1 1 = 3k − 2 3 π √ + ln 2 3 GI III (85), BR∗ 161 (1) (−1)k+1 1 1 = 3k − 1 3 π √ − ln 2 3 BR∗ 161 (1) (−1)k+1 , √ 1 + 1 = √ π + 2 ln 2+1 4k − 3 4 2 k=1 2.7 ∞ k=1 3. ∞ k=1 4. ∞ k=1 k+3 1 π 1 (−1)[ 2 ] = + ln 2 k 4 2 BR∗ 161 (1) GI III (87) 0.241 Examples of numerical series ∞ 5. k+3 (−1)[ 2 ] k=1 ∞ 6. k+5 (−1)[ 3 ] k=1 ∞ 7. k=1 11 1 π = √ 2k − 1 2 2 1 5π = 2k − 1 12 GI III (88) 1 π √ 1 = − 2+1 (8k − 1)(8k + 1) 2 16 0.241 ∞ 1 = ln 2 2k k 1. JO (172g) k=1 ∞ 2. k=1 3.11 1 2k k 2 ∞ 2n n n=0 4.10 5.10 6. i 2j i 2j j=1 7.10 i 2j j=1 8. 10 i 2j j=1 9.10 2n j=n+1 10.10 1 π2 2 − (ln 2) 12 2 pn = √ JO (174) 1 1 − 4p p ∞ pn ln(1 − x) π2 − dx = 2 n 6 x 1 n=1 j=1 10 = i k=0 2i − j i−j 2i − j i−j 2i − j i−j 2i − j i−j 2n j i+k k kj + − 2j+1 −2 j+1 − 2j+1 −2 1 2 j+1 2n n 2i−k = 4i 1 4 [0 ≤ p ≤ 1] 2i − (j + 1) i − (j + 1) 2i − (j + 1) i − (j + 1) 2i − (j + 1) i − (j + 1) 2i − (j + 1) i − (j + 1) kn + 0≤p< j = 4i − 2i i + n = 0, m j 2 = 4i 2i i − 3 · 4i + n = 0, m j 3 = (6i + 13)4i − 18i , m<0 2i i + n = 0, m j 4 = 32i2 + 104i n−1 (1 + k)2n−1 (1 − k) 2 i=0 2i i 2i i , m<0 , m<0 − (60i + 75)4i k (1 + k)2 i = 1 (1 + k)2n 2 12 Numerical Series and Infinite Products 11.10 i i+k h k=0 12. 10 i k=0 13.10 i k=0 14.10 i k=0 0.242 ∞ 1. ∞ k=1 k = (i + 1)4i − (2i + 1) 1 i = 4 + 2 2i k k= 2i k k2 = (2i + 1)i4i−1 − (−1)k 2i i 2i i 2i k k=0 0.243 i−k 0.242 i i 4 2 i2 2 2i i 1 n2 = n2k n2 + 1 [n > 1] 1 1 1 = [p + (k − 1)q](p + kq) . . . [p + (k + l)q] (l + 1)q p(p + q) . . . (p + lq) (see also 0.141 3) 2.7 3. 1 i tp−1 (1 − t)t x = dt [p + (k − 1)q][p + (k − 1)q + 1][p + (k − 1)q + 2] . . . [p + (k − 1)q + l] l! 0 1 − xtq k=1 p > 0, x2 < 1 BR∗ 161 (2), AD (6.704) ∞ ∞ k=0 k−1 1 (2k + 1)3 (2k + 1)πx 1 (2k + 1)π tanh + x tanh x 2 2x 0.244 1. ∞ k=1 2. ∞ 1 1 = (k + p)(k + q) q−p (−1)k+1 k=1 3.10 ∞ k=1 1 = p + (k − 1)q 1 0 1 0 1. [p > −1, tp−1 dt 1 + tq [p > 0, q 1 1 1 = (k + p)(k + q) q − p m=p+1 m ∞ 1 = e = 2.71828 . . . k! k=0 2.11 ∞ (−1)k k=0 k! = π3 16 xp − xq dx 1−x Summations of reciprocals of factorials 0.245 = 1 ≈ 0.1839397 . . . 2e q > −1, q > 0] [q > p > −1, p = q] GI III (90) BR∗ 161 (1) p and q integers] 0.249 3. 4. 5. 6. 7. 8. Examples of numerical series ∞ k=1 ∞ k=1 ∞ k=0 ∞ k=0 ∞ k=0 ∞ k=0 0.246 1. 2. 3. 4. 5. 6. ∞ k=0 ∞ k=0 ∞ k=0 ∞ k=0 ∞ k=0 0.247 0.248 1 k = = 0.36787 . . . (2k + 1)! e k =1 (k + 1)! 1 1 = (2k)! 2 ∞ k=1 ∞ k=1 e+ 1 1 = (2k + 1)! 2 1 (k!) 2 e− 1 e = 1.17520 . . . = I 0 (2) = 2.27958530 . . . 1 = I 1 (2) = 1.590636855 . . . k!(k + 1)! 1 = I n (2) k!(k + n)! (−1)k (k!) = J 0 (2) = 0.22389078 . . . (−1)k = J 1 (2) = 0.57672481 . . . k!(k + 1)! (−1)k = J n (2) k!(k + n)! 1 k! = (n + k − 1)! (n − 2) · (n − 1)! kn = Sn , k! ∞ (k + 1)3 k=0 = 1.54308 . . . (−1)k−1 = sin 1 = 0.84147 . . . (2k − 1)! S1 = e, S5 = 52e, 0.2497 1 e (−1)k = cos 1 = 0.54030 . . . (2k)! 2 k=0 ∞ 13 k! = 15e S2 = 2e, S6 = 203e, S3 = 5e, S7 = 877e, S4 = 15e S8 = 4140e 14 Numerical Series and Infinite Products 0.250 0.25 Infinite products 0.250 Suppose that a sequence of numbers a1 , a2 , . . . , ak , . . . is given. If the limit lim n→∞ n - (1 + ak ) k=1 exists, whether finite or infinite (but of definite sign), this limit is called the value of the infinite product ∞ (1 + ak ), and we write k=1 1. lim n - n→∞ (1 + ak ) = k=1 ∞ - (1 + ak ) k=1 If an infinite product has a finite nonzero value, it is said to converge. Otherwise, the infinite product is said to diverge. We assume that no ak is equal to −1. FI II 400 0.251 For the infinite product 0.250 1. to converge, it is necessary that lim ak = 0. FI II 403 k→∞ 0.252 If ak > 0 or ak < 0 for all values of the index k starting with some# particular value, then, for the ∞ product 0.250 1 to converge, it is necessary and sufficient that the series k=1 ak converge. ∞ ∞ 0.253 The product (1 + ak ) is said to converge absolutely if the product (1 + |ak |) converges. k=1 k=1 FI II 403 0.254 0.255 Absolute convergence of an infinite product implies its convergence. ∞ ∞ (1 + ak ) converges absolutely if, and only if, the series ak converges abThe product k=1 k=1 solutely. FI II 406 0.26 Examples of infinite products 0.261 ∞ - 1+ (−1)k+1 2k − 1 1− 1 k2 1− 1 (2k)2 1− 1 (2k + 1)2 k=1 = √ 2 EU 0.262 1. ∞ k=2 2. ∞ k=1 3. ∞ k=1 = 1 2 = FI II 401 2 π = FI II 401 π 4 FI II 401 0.263 1. e= 2 · 1 2.∗ e= 2 1 4 3 1/2 1/2 6·8 5·7 22 1·3 1/3 1/4 10 · 12 · 14 · 16 9 · 11 · 13 · 15 23 · 4 1 · 33 1/4 1/8 24 · 44 1 · 36 · 5 ... 1/5 ··· 0.303 3. ∗ Definitions and theorems π = 2 1 2 1/2 22 1·3 1/4 23 · 4 1 · 33 1/8 24 · 44 1 · 36 · 5 1/16 ··· where the nth factor is the (n + 1)th root of the product 0.264 1. eC = 2.∗ eC = 15 $n k=0 (k + 1)(−1) k+1 ( nk ) . √ k e 1 k=1 1 + k ∞ - 2 1 1/2 FI II 402 22 1·3 1/3 23 · 4 1 · 33 1/4 24 · 44 1 · 36 · 5 1/5 ··· $n k+1 n where the nth factor is the (n + 1)th root of the product k=0 (k + 1)(−1) ( k ) . Here C is the Euler constant, denoted in other works by γ. / . . 0 0 2 1 1 1 1 11 1 1 1 1 0.265 = · + · + + ... FI II 402 π 2 2 2 2 2 2 2 2 2 ∞ k 1 1 + x2 = [0 < x < 1] 0.2668 FI II 401 1−x k=0 0.3 Functional Series 0.30 Definitions and theorems 0.301 1. The series ∞ fk (x), k=1 the terms of which are functions, is called a functional series. The set of values of the independent variable x for which the series 0.301 1 converges constitutes what is called the region of convergence of that series. 0.302 A series that converges for all values of x in a region M is said to converge uniformly in that region if, for every ε ≥ 0, there exists a number N such that, for n > N , the inequality ! ! ∞ ! ! ! ! fk (x)! < ε ! ! ! k=n+1 holds for all x in M . 0.303 If the terms of the functional series 0.301 1 satisfy the inequalities: |fk (x)| < uk (k = 1, 2, 3, . . .) , throughout the region M , where the uk are the terms of some convergent numerical series ∞ uk = u1 + u2 + . . . + uk + . . . , k=1 the series 0.301 1 converges uniformly in M . (Weierstrass) 16 Functional Series 0.304 0.304 Suppose that the series 0.301 1 converges uniformly in a region M and that a set of functions gk (x) constitutes (for each x) a monotonic sequence, and that these functions are uniformly bounded; that is, suppose that a number L exists such that the inequalities 1. |gn (x)| ≤ L 2. hold for all n and x. Then, the series ∞ fk (x)gk (x) k=1 converges uniformly in the region M . (Abel) FI II 451 0.305 Suppose that the partial sums of the series 0.301 1 are uniformly bounded; that is, suppose that, for some L and for all n and x in M , the inequalities ! n ! ! ! ! ! fk (x)! < L ! ! ! k=1 hold. Suppose also that for each x the functions gn (x) constitute a monotonic sequence that approaches zero uniformly in the region M . Then, the series 0.304 2 converges uniformly in the region M . (Dirichlet) FI II 451 6 0.306 If the functions fk (x) (for k = 1, 2, 3, . . . ) are integrable on the interval [a, b] and if the series 0.301 1 made up of these functions converges uniformly on that interval, this series may be integrated termwise; that is, b ∞ ∞ b fk (x) dx = fk (x) dx [a ≤ x ≤ b] FI II 459 a k=1 k=1 a 0.307 Suppose that the functions fk (x) (for k = 1, 2, 3, . . . ) have continuous derivatives #∞ fk (x) on the interval [a, b]. If the series 0.301 1 converges on this interval and if the series k=1 fk (x) of these derivatives converges uniformly, the series 0.301 1 may be differentiated termwise; that is, ∞ ∞ fk (x) = fk (x) FI II 460 k=1 k=1 0.31 Power series 0.311 1. A functional series of the form ∞ ak (x − ξ)k = a0 + a1 (x − ξ) + a2 (x − ξ)2 + . . . k=0 is called a power series. The following is true of any power series: if it is not everywhere convergent, the region of convergence is a circle with its center at the point ξ and a radius equal to R; at every interior point of this circle, the power series 0.311 1 converges absolutely, and outside this circle, it diverges. This circle is called the circle of convergence, and its radius is called the radius of convergence. If the series converges at all points of the complex plane, we say that the radius of convergence is infinite (R = +∞). 0.315 0.312 is, Power series 17 Power series may be integrated and differentiated termwise inside the circle of convergence; that x ξ ∞ ak (x − ξ) k k=0 d dx ∞ ∞ ak (x − ξ)k+1 , k+1 dx = k=0 ∞ ak (x − ξ)k = k=0 kak (x − ξ)k−1 . k=1 The radius of convergence of a series that is obtained from termwise integration or differentiation of another power series coincides with the radius of convergence of the original series. Operations on power series 0.313 Division of power series. ∞ k=0 ∞ bk xk = ak xk ∞ 1 ck xk , a0 k=0 k=0 where 1 cn−k ak − bn = 0, a0 n cn + k=1 or ⎡ k=0 where c0 = a0 a1 a2 .. . 0 a0 a1 .. . ··· ⎢ ⎢ (−1) ⎢ ⎢ cn = ⎢ .. an0 ⎢ . ⎢ ⎣an−1 b0 − a0 bn−1 an−2 an−3 · · · an b 0 − a0 b n an−1 an−2 · · · Power series raised to powers. n ∞ ∞ k ak x = ck xk , n 0.314 a1 b 0 − a0 b 1 a2 b 0 − a0 b 2 a3 b 0 − a0 b 3 .. . an0 , cm m 1 = (kn − m + k)ak cm−k ma0 ⎤ 0 0⎥ ⎥ 0⎥ ⎥ ⎥ ⎥ ⎥ a0 ⎦ a1 AD (6360) k=0 for m ≥ 1 [n is a natural number] AD (6361) k=1 0.315 The substitution of one series into another. ∞ ∞ ∞ bk y k = ck xk y= ak xk ; k=1 c 1 = a1 b 1 , k=1 c2 = a2 b1 + a21 b2 , k=1 c3 = a3 b1 + 2a1 a2 b2 + a31 b3 , c4 = a4 b1 + a22 b2 + 2a1 a3 b2 + 3a21 a2 b3 + a41 b4 , ... AD (6362) 18 0.316 Functional Series Multiplication of power series ∞ ∞ ∞ ak xk bk xk = ck xk k=0 k=0 cn = k=0 0.316 n ak bn−k FI II 372 k=0 Taylor series 0.317 If a function f (x) has derivatives of all orders throughout a neighborhood of a point ξ, then we may write the series 1. (x − ξ) (x − ξ)2 (x − ξ)3 f (ξ) + f (ξ) + f (ξ) + . . . , 1! 2! 3! which is known as the Taylor series of the function f (x). f (ξ) + The Taylor series converges to the function f (x) if the remainder 2. Rn (x) = f (x) − f (ξ) − n (x − ξ)k k=1 k! f (k) (ξ) approaches zero as n → ∞. The following are different forms for the remainder of a Taylor series: 3. Rn (x) = 4. Rn (x) = 5. (x − ξ)n+1 (n+1) f (ξ + θ(x − ξ)) (n + 1)! [0 < θ < 1] (Lagrange) (x − ξ)n+1 (1 − θ)n f (n+1) (ξ + θ(x − ξ)) [0 < θ < 1] n! ψ(x − ξ) − ψ(0) (x − ξ)n (1 − θ)n (n+1) f Rn (x) = (ξ + θ(x − ξ)) ψ [(x − ξ)(1 − θ)] n! [0 < θ < 1] , (Cauchy) (Schlömilch) where ψ(x) is an arbitrary function satisfying the following two conditions: (1) It and its derivative ψ (x) are continuous in the interval (0, x − ξ); and (2) the derivative ψ (x) does not change sign in that interval. If we set ψ(x) = xp+1 , we obtain the following form for the remainder: (x − ξ)n+1 (1 − θ)n−p−1 (n+1) f (ξ + θ(x − ξ)) (p + 1)n! 1 x (n+1) Rn (x) = f (t)(x − t)n dt n! ξ Rn (x) = 6. 0.318 1.11 0 < θ < 1] (Rouché) Other forms in which a Taylor series may be written: f (a + x) = ∞ xk k=0 2. [0 < p ≤ n; ∞ xk k=0 k! k! f (k) (a) = f (a) + f (k) (0) = f (0) + x x2 f (a) + f (a) + . . . 1! 2! x x2 f (0) + f (0) + . . . 1! 2! (Maclaurin series) 0.323 0.319 Fourier series 19 The Taylor series of functions of several variables: ∂f (ξ, η) ∂f (ξ, η) + (y − η) ∂x ∂y 2 2 ∂ f (ξ, η) ∂ 2 f (ξ, η) 2 2 ∂ f (ξ, η) + (y − η) + 2(x − ξ)(y − η) + ... (x − ξ) ∂x2 ∂x ∂y ∂y 2 f (x, y) = f (ξ, η) + (x − ξ) + 1 2! 0.32 Fourier series 0.320 Suppose that f (x) is a periodic function of period 2l and that it is absolutely integrable (possibly improperly) over the interval (−l, l). The following trigonometric series is called the Fourier series of f (x): ∞ 1. a0 kπx kπx + + bk sin , ak cos 2 l l k=1 2. 3.11 the coefficients of which (the Fourier coefficients) are given by the formulas 1 α+2l 1 l kπt kπt ak = dt = dt (k = 0, 1, 2, . . .) f (t) cos f (t) cos l −l l l α l 1 α+2l 1 l kπt kπt dt = dt (k = 1, 2, . . .) bk = f (t) sin f (t) sin l −l l l α l Convergence tests 0.321 The Fourier series of a function f (x) at a point x0 converges to the number f (x0 + 0) + f (x0 − 0) , 2 if, for some h > 0, the integral h |f (x0 + t) + f (x0 − t) − f (x0 + 0) − f (x0 − 0)| dt t 0 exists. Here, it is assumed that the function f (x) either is continuous at the point x0 or has a discontinuity of the first kind (a saltus) at that point and that both one-sided limits f (x0 + 0) and f (x0 − 0) exist. FI III 524 (Dini) 0.322 The Fourier series of a periodic function f (x) that satisfies the Dirichlet conditions on the interval [a, b] converges at every point x0 to the value 12 [f (x0 + 0) + f (x0 − 0)]. (Dirichlet) We say that a function f (x) satisfies the Dirichlet conditions on the interval [a, b] if it is bounded on that interval and if the interval [a, b] can be partitioned into a finite number of subintervals inside each of which the function f (x) is continuous and monotonic. 0.323 The Fourier series of a function f (x) at a point x0 converges to 12 [f (x0 + 0) + f (x0 − 0)] if f (x) is FI III 528 of bounded variation in some interval (x0 − h, x0 + h) with center at x0 . (Jordan–Dirichlet) The definition of a function of bounded variation. Suppose that a function f (x) is defined on some interval [a, b], where z < b. Let us partition this interval in an arbitrary manner into subintervals with the dividing points a = x0 < x1 < x2 < . . . < xn−1 < xn = b and let us form the sum 20 Functional Series n 0.324 |f (xk ) − f (xk−1 )| k=1 Different partitions of the interval [a, b] (that is, different choices of points of division xi ) yield, generally speaking, different sums. If the set of these sums is bounded above, we say that the function f (x) is of bounded variation on the interval [a, b]. The least upper bound of these sums is called the total variation of the function f (x) on the interval [a, b]. 0.324 Suppose that a function f (x) is piecewise-continuous on the interval [a, b] and that in each interval of continuity it has a piecewise-continuous derivative. Then, at every point x0 of the interval [a, b], the Fourier series of the function f (x) converges to 12 [f (x0 + 0) + f (x0 − 0)]. 0.325 A function f (x) defined in the interval (0, l) can be expanded in a cosine series of the form ∞ 1. a0 kπx + , ak cos 2 l k=1 where 2. 0.326 1. ak = 2 l l f (t) cos 0 A function f (x) defined in the interval (0, l) can be expanded in a sine series of the form ∞ bk sin k=1 where 2. kπt dt l bk = 2 l kπx , l l f (t) sin 0 kπt dt l The convergence tests for the series 0.325 1 and 0.326 1 are analogous to the convergence tests for the series 0.320 1 (see 0.321–0.324). 0.327 The Fourier coefficients ak and bk (given by formulas 0.320 2 and 0.320 3) of an absolutely integrable function approach zero as k → ∞. If a function f (x) is square-integrable on the interval (−l, l), the equation of closure is satisfied: ∞ 1 l 2 a20 2 + ak + b2k = f (x) dx (A. M. Lyapunov) FI III 705 2 l −l k=1 0.328 Suppose that f (x) and ϕ(x) are two functions that are square-integrable on the interval (−l, l) and that ak , bk and αk , βk are their Fourier coefficients. For such functions, the generalized equation of closure (Parseval’s equation) holds: ∞ 1 l a0 α0 + (ak αk + bk βk ) = f (x)ϕ(x) dx FI III 709 2 l −l k=1 For examples of Fourier series, see 1.44 and 1.45. 0.411 Differentiation of a definite integral with respect to a parameter 21 0.33 Asymptotic series 0.330 Included in the collection of all divergent series is the broad class of series known as asymptotic or semiconvergent series. Despite the fact that these series diverge, the values of the functions that they represent can be calculated with a high degree of accuracy if we take the sum of a suitable number of terms of such series. In the case of alternating asymptotic series, we obtain greatest accuracy if we break off the series in question at whatever term is of lowest absolute value. In this case, the error (in absolute value) does not exceed the absolute value of the first of the discarded terms (cf. 0.227 3). Asymptotic series have many properties that are analogous to the properties of convergent series, and, for that reason, they play a significant role in analysis. The asymptotic expansion of a function is denoted as follows: ∞ An z −n f (z) ∼ n=0 ∞ An This is the definition of an asymptotic expansion. The divergent series is called the asymptotic zn n=0 expansion of a function f (z) in a given region of values of arg z if the expression Rn (z) = z n [f (z) − Sn (z)], n Ak , satisfies the condition lim Rn (z) = 0 for fixed n. FI II 820 where Sn (z) = zk |z|→∞ k=0 A divergent series that represents the asymptotic expansion of some function is called an asymptotic series. 0.331 Properties of asymptotic series 1. The operations of addition, subtraction, multiplication, and raising to a power can be performed on asymptotic series just as on absolutely convergent series. The series obtained as a result of these operations will also be asymptotic. 2. One asymptotic series can be divided by another, provided that the first term A0 of the divisor is not equal to zero. The series obtained as a result of division will also be asymptotic. FI II 823-825 3. An asymptotic series can be integrated termwise, and the resultant series will also be asymptotic. FI II 824 In contrast, differentiation of an asymptotic series is, in general, not permissible. 4. A single asymptotic expansion can represent different functions. On the other hand, a given function can be expanded in an asymptotic series in only one manner. 0.4 Certain Formulas from Differential Calculus 0.41 Differentiation of a definite integral with respect to a parameter 0.410 0.411 1. 2. ϕ(a) dψ(a) d d ϕ(a) dϕ(a) − f (ψ(a), a) + f (x, a) dx f (x, a) dx = f (ϕ(a), a) da ψ(a) da da da ψ(a) In particular, d a f (x) dx = f (a) da b d a f (x) dx = −f (b) db b FI II 680 22 Certain Formulas from Differential Calculus 0.430 0.42 The nth derivative of a product (Leibniz’s rule) Suppose that u and v are n-times-differentiable functions of x. Then, dn v n du dn−1 v n d2 u dn−2 v n d3 u dn−3 v dn u dn (uv) =u n + + + + ··· + v n n n−1 2 n−2 3 n−3 dx dx dx 1 dx dx 2 dx dx 3 dx dx or, symbolically, dn (uv) = (u + v)(n) dxn FI I 272 0.43 The nth derivative of a composite function 0.430 1. If f (x) = F (y)and y = ϕ(x), then dn U1 U2 U3 Un (n) F (y) + F (y) + F (y) + . . . + F (y), f (x) = dxn 1! 2! 3! n! where Uk = n dn k k dn k−1 k(k − 1) 2 dn k−2 k−1 k−1 d y y y y − y + y − . . . + (−1) ky dxn 1! dxn 2! dxn dxn y (l) y y dm F y dn n! f (x) = · · · , dxn i!j!h! . . . k! dy m 1! 2! 3! l! # Here, the symbol indicates summation over all solutions in non-negative integers of the equation i + 2j + 3h + . . . + lk = n and m = i + j + h + . . . + k. i 2. AD (7361) GO j k h 0.431 1. (−1)n dn F dxn 1 x 1 1 (n) 1 n−1 n F + 2n−1 F (n−1) x2n x x 1! x (n − 1)(n − 2) n(n − 1) (n−2) 1 F + + ... x2n−2 2! x = AD (7362.1) ⎡ 2. (−1)n a dn a 1 a ex = n ex ⎣ n dx x x n + (n − 1) + (n − 1)(n − 2)(n − 3) n 3 n 1 a x a x n−1 n−3 + (n − 1)(n − 2) ⎤ n 2 a x n−2 + . . .⎦ AD (7362.2) 0.432 1. n(n − 1) dn 2 (2x)n−2 F (n−1) x2 F x = (2x)n F (n) x2 + n dx 1! n(n − 1)(n − 2)(n − 3) + (2x)n−4 F (n−2) x2 + 2! n(n − 1)(n − 2)(n − 3)(n − 4)(n − 5) + (2x)n−6 F (n−3) x2 + . . . 3! AD (7363.1) 0.440 Integration by substitution 23 ⎡ n(n − 1) n(n − 1)(n − 2)(n − 3) d ax + e = (2ax)n eax ⎣1 + 2 dxn 1! (4ax2 ) 2! (4ax2 ) ⎤ n(n − 1)(n − 2)(n − 3)(n − 4)(n − 5) + + · · ·⎦ 3 3! (4ax2 ) n 2. 2 2 AD (7363.2) p p(p − 1)(p − 2) . . . (p − n + 1)(2ax) d 1 + ax2 = n−p dxn (1 + ax2 ) n(n − 1) 1 + ax2 n(n − 1)(n − 2)(n − 3) × 1+ + 2 1!(p − n + 1) 4ax 2!(p − n + 1)(p − n + 2) n 3. n 1 + ax2 4ax2 2 + ... , AD (7363.3) 4. 5. m− 12 (2m − 1)!! dm−1 sin (m arccos x) 1 − x2 = (−1)m−1 m−1 dx m n+1 a a n+1 ∂n (−1)n n (−1)k = n! 2 2 2 2 2k ∂a a +b a +b AD (7363.4) b a 0≤2k≤n+1 6. 0.433 1. (−1)n ∂n ∂an b 2 a + b2 = n! a 2 a + b2 n+1 (−1)k 0≤2k≤n n+1 2k + 1 b a 2k (3.944.12) 2k+1 (3.944.11) √ √ √ dn √ F (n) ( x) n(n − 1) F (n−1) ( x) (n + 1)n(n − 1)(n − 2) F (n−2) ( x) F x = − + √ √ n+1 √ n+2 − . . . n dxn 1! 2! (2 x) (2 x) (2 x) AD (7364.1) √ 2n−1 dn (2n − 1)!! a 1 √ 1+a x = a2 − n n dx 2 x x 2 n n y n−p dn p n 1 n 1 p−1 d y p−2 d y y y =p − + − ... n dxn dxn dxn 1 p−1 2 p−2 dn y 3 n n 1 dn y dn n 1 dn y 2 ln y = − + x − ... 1 1 · y dxn dxn dxn 2 2 · y 2 dxn n−1 2. 0.434 0.435 AD (7364.2) AD (737.1) AD (737.2) 0.44 Integration by substitution 0.44011 Let f (g(x)) and g(x) be continuous in [a, b]. Further, let g (x) exist and be continuous there. b g(b) Then f [g(x)]g (x) dx = f (u) du a g(a) This page intentionally left blank 1 Elementary Functions 1.1 Power of Binomials 1.11 Power series ∞ q q(q − 1) 2 q(q − 1) . . . (q − k + 1) k xk x + ··· + x + ··· = k 2! k! k=0 If q is neither a natural number nor zero, the series converges absolutely for |x| < 1 and diverges for |x| > 1. For x = 1, the series converges for q > −1 and diverges for q ≤ −1. For x = 1, the series converges absolutely for q > 0. For x = −1, it converges absolutely for q > 0 and diverges for q < 0. If FI II 425 q = n is a natural number, the series 1.110 is reduced to the finite sum 1.111. n n xk an−k 1.111 (a + x)n = k 1.110 (1 + x)q = 1 + qx + k=0 1.112 1. (1 + x)−1 = 1 − x + x2 − x3 + · · · = ∞ (−1)k−1 xk−1 k=1 (see also 1.121 2) 2. (1 + x)−2 = 1 − 2x + 3x2 − 4x3 + · · · = ∞ (−1)k−1 kxk−1 k=1 3.11 4. 1·1 2 1·1·3 3 1·1·3·5 4 1 x + x − x + ... (1 + x)1/2 = 1 + x − 2 2·4 2·4·6 2·4·6·8 1·3 2 1·3·5 3 1 (1 + x)−1/2 = 1 − x + x − x + ... 2 2·4 2·4·6 ∞ x = kxk (1 − x)2 1.113 x2 < 1 k=1 1.114 1. √ q q q 1+ 1+x =2 1+ 1! x q(q − 3) + 4 2! x 4 2 q(q − 4)(q − 5) x 3 + + ... 4 2 3! x < 1, q is a real number AD (6351.1) 25 26 2. The Exponential Function x+ 1 + x2 q 1.121 ∞ q 2 q 2 − 22 q 2 − 42 . . . q 2 − (2k)2 x2k+2 =1+ (2k + 2)! k=0 2 ∞ 2 2 q −1 q − 32 . . . q 2 − (2k − 1)2 2k+1 +qx + q x (2k + 1)! k=1 2 x < 1, q is a real number AD(6351.2) 1.12 Series of rational fractions 1.121 ∞ 1. ∞ 2k−1 x2 x2 x = k−1 = 2 1−x 1+x 1 − x2k k−1 k=1 k−1 x2 < 1 AD (6350.3) k=1 ∞ 2. 2k−1 1 = x−1 x2k−1 + 1 x2 > 1 AD (6350.3) k=1 1.2 The Exponential Function 1.21 Series representation 1.211 1.11 ex = ∞ xk k=0 2. ax = k! ∞ k (x ln a) k! k=0 3. e−x = 2 ∞ (−1)k k=0 4.∗ ex = lim n→∞ 1.212 ex (1 + x) = 1+ x2k k! x n n ∞ xk (k + 1) k=0 1.213 x x =1− + ex − 1 2 x 1.214 ee = e 1 + x + k! ∞ B2k x2k k=1 2 (2k)! 5x3 15x4 2x + + + ... 2! 3! 4! [x < 2π] FI II 520 AD (6460.3) 1.215 3x4 8x5 3x6 56x7 x2 − − − + + ... 2! 4! 5! 6! 7! 4x4 31x6 x2 + − + ... =e 1− 2! 4! 6! 1. esin x = 1 + x + AD (6460.4) 2. ecos x AD (6460.5) 1.232 Series of exponentials etan x = 1 + x + 3. 27 3x3 9x4 37x5 x2 + + + + ... 2! 3! 4! 5! AD (6460.6) 1.216 2x3 5x4 x2 + + + ... 2! 3! 4! x3 7x4 x2 − − + ... =1+x+ 2! 3! 4! 1. earcsin x = 1 + x + AD (6460.7) 2. earctan x AD (6460.8) 1.217 1. π ∞ 1 eπx + e−πx = x πx −πx 2 e −e x + k2 (cf. 1.421 3) AD (6707.1) (cf. 1.422 3) AD (6707.2) k=−∞ ∞ (−1)k 2π = x πx −πx e −e x2 + k 2 2. k=−∞ 1.22 Functional relations 1.221 1. ax = ex ln a 1 aloga x = a logx a = x 2. 1.222 1. ex = cosh x + sinh x 2. eix = cos x + i sin x 1.223 eax − ebx = (a − b)x exp ∞ 1 (a − b)2 x2 (a + b)x 1+ 2 2k 2 π 2 k=1 1.23 Series of exponentials 1.231 ∞ akx = k=0 1 1 − ax [a > 1 and x < 0 or 0 < a < 1 and x > 0] 1.232 1. ∞ (−1)k e−2kx [x > 0] (−1)k e−(2k+1)x [x > 0] tanh x = 1 + 2 k=1 2. sech x = 2 ∞ k=0 3. cosech x = 2 ∞ e−(2k+1)x k=0 % 4. ∗ ∞ cos2n x sin x = exp − 2n n=1 [x > 0] & [0 ≤ x ≤ π] MO 216 28 Trigonometric and Hyperbolic Functions 1.311 1.3–1.4 Trigonometric and Hyperbolic Functions 1.30 Introduction The trigonometric and hyperbolic sines are related by the identities sinh x = 1 sin(ix), i sin x = 1 sinh(ix). i The trigonometric and hyperbolic cosines are related by the identities cosh x = cos(ix), cos x = cosh(ix). Because of this duality, every relation involving trigonometric functions has its formal counterpart involving the corresponding hyperbolic functions, and vice versa. In many (though not all) cases, both pairs of relationships are meaningful. The idea of matching the relationships is carried out in the list of formulas given below. However, not all the meaningful “pairs” are included in the list. 1.31 The basic functional relations 1.311 1 ix e − e−ix 2i = −i sinh(ix) 1. sin x = 2. sinh x = 3. cos x = 4. cosh x = 5. 6. 7. 8. 1 x e − e−x 2 = −i sin(ix) 1 ix e + e−ix 2 = cosh(ix) 1 x e + e−x 2 = cos(ix) 1 sin x = tanh(ix) cos x i 1 sinh x = tan(ix) tanh x = cosh x i cos x 1 cot x = = = i coth(ix) sin x tan x 1 cosh x = = i cot (ix) coth x = sinh x tanh x tan x = 1.312 1. cos2 x + sin2 x = 1 1.314 2. The basic functional relations cosh2 x − sinh2 x = 1 1.313 1. sin (x ± y) = sin x cos y ± sin y cos x 2. sinh (x ± y) = sinh x cosh y ± sinh y cosh x 3. sin (x ± iy) = sin x cosh y ± i sinh y cos x 4. sinh (x ± iy) = sinh x cos y ± i sin y cosh x 5. cos (x ± y) = cos x cos y ∓ sin x sin y 6. cosh (x ± y) = cosh x cosh y ± sinh x sinh y 7. cos (x ± iy) = cos x cosh y ∓ i sin x sinh y 8. cosh (x ± iy) = cosh x cos y ± i sinh x sin y tan x ± tan y tan (x ± y) = 1 ∓ tan x tan y tanh x ± tanh y tanh (x ± y) = 1 ± tanh x tanh y tan x ± i tanh y tan (x ± iy) = 1 ∓ i tan x tanh y tanh x ± i tan y tanh (x ± iy) = 1 ± i tanh x tan y 9. 10. 11. 12. 1.314 1. 2. 3. 4. 5. 6. 7. 8. 9.∗ 1 1 (x ± y) cos (x ∓ y) 2 2 1 1 sinh x ± sinh y = 2 sinh (x ± y) cosh (x ∓ y) 2 2 1 1 cos x + cos y = 2 cos (x + y) cos (x − y) 2 2 1 1 cosh x + cosh y = 2 cosh (x + y) cosh (x − y) 2 2 1 1 cos x − cos y = 2 sin (x + y) sin (y − x) 2 2 1 1 cosh x − cosh y = 2 sinh (x + y) sinh (x − y) 2 2 sin (x ± y) tan x ± tan y = cos x cos y sinh (x ± y) tanh x ± tanh y = cosh x cosh y 1 π 1 π sin x ± cos y = ±2 sin (x + y) ± sin (x − y) ± 4 4 2 2 1 π 1 π = ±2 cos (x + y) ∓ cos (x − y) ∓ 2 4 2 4 1 π 1 π = 2 sin (x ± y) ± cos (x ∓ y) ∓ 2 4 2 4 sin x ± sin y = 2 sin 29 30 Trigonometric and Hyperbolic Functions . 10.∗ a sin x ± b cos x = a 1 + 11.∗ ±a sin x + b cos x = b 1+ 2 b a sin x ± arctan b a [a = 0] a b 2 + a , cos x ∓ arctan b [b = 0] 2 r r 1 a sin x ± b cos y = q 1 + sin (x ± y) + arctan q 2 q 1 1 [q = 0] q = (a + b) cos (x ∓ y) , r = (a − b) sin (x ∓ y) 2 2 s s 2 1 a cos x + b cos y = t 1 + cos (x ∓ y) + arctan [t = 0] t 2 t . 2 t t 1 cos (x ∓ y) − arctan = −s 1 + [s = 0] s 2 s 1 1 s = (a − b) sin (x ± y) , t = (a + b) cos (x ± y) 2 2 . 12.∗ 13.∗ 1.315 1. sin2 x − sin2 y = sin(x + y) sin(x − y) = cos2 y − cos2 x 2. sinh2 x − sinh2 y = sinh(x + y) sinh(x − y) = cosh2 x − cosh2 y 3. cos2 x − sin2 y = cos(x + y) cos(x − y) = cos2 y − sin2 x 4. sinh2 x + cosh2 y = cosh(x + y) cosh(x − y) = cosh2 x + sinh2 y 1.316 1. 2. 1.317 1. 2. 3. 4. 5. 1.315 n (cos x + i sin x) = cos nx + i sin nx n (cosh x + sinh x) = sinh nx + cosh nx x 1 sin = ± (1 − cos x) 2 2 x 1 sinh = ± (cosh x − 1) 2 2 x 1 cos = ± (1 + cos x) 2 2 x 1 cosh = (cosh x + 1) 2 2 1 − cos x sin x x = tan = 2 sin x 1 + cos x [n is an integer] [n is an integer] 1.321 6. Trigonometric and hyperbolic functions: expansion in multiple angles tanh 31 cosh x − 1 sinh x x = = 2 sinh x cosh x + 1 The signs in front of the radical in formulas 1.317 1, 1.317 2, and 1.317 3 are taken so as to agree with the signs of the left-hand members. The sign of the left hand members depends in turn on the value of x. 1.32 The representation of powers of trigonometric and hyperbolic functions in terms of functions of multiples of the argument (angle) 1.320 1. 2. n−1 2n 2n n−k sin (−1) 2 cos 2(n − k)x + k n k=0 n−1 2n 2n (−1)n 2n n−k sinh x = 2n (−1) 2 cosh 2(n − k)x + k n 2 2n 1 x = 2n 2 KR 56 (10, 2) k=0 3. sin2n−1 x = 1 22n−2 n−1 (−1)n+k−1 k=0 2n − 1 k sin(2n − 2k − 1)x 2n − 1 (−1)n−1 (−1)n+k−1 sinh(2n − 2k − 1)x k 22n−2 k=0 n−1 2n 2n 1 2n cos x = 2n 2 cos 2(n − k)x + k n 2 k=0 n−1 2n 2n 1 2n cosh x = 2n 2 cosh 2(n − k)x + k n 2 KR 56 (10, 4) n−1 4. 5. 6. sinh2n−1 x = KR 56 (10, 1) k=0 7. 8. cos2n−1 x = cosh 2n−1 n−1 1 22n−2 x= k=0 1 22n−2 n−1 k=0 2n − 1 k 2n − 1 k cos(2n − 2k − 1)x cosh(2n − 2k − 1)x Special cases 1.321 1. 2. 3. 4. 1 (− cos 2x + 1) 2 1 sin3 x = (− sin 3x + 3 sin x) 4 1 sin4 x = (cos 4x − 4 cos 2x + 3) 8 1 sin5 x = (sin 5x − 5 sin 3x + 10 sin x) 16 sin2 x = KR 56 (10, 3) 32 5. 6. Trigonometric and Hyperbolic Functions 1 (− cos 6x + 6 cos 4x − 15 cos 2x + 10) 32 1 sin7 x = (− sin 7x + 7 sin 5x − 21 sin 3x + 35 sin x) 64 sin6 x = 1.322 1. sinh2 x = 2. sinh3 x = 3. sinh4 x = 4. sinh5 x = 5. sinh6 x = 6. sinh7 x = 1 (cosh 2x − 1) 2 1 (sinh 3x − 3 sinh x) 4 1 (cosh 4x − 4 cosh 2x + 3) 8 1 (sinh 5x − 5 sinh 3x + 10 sinh x) 16 1 (cosh 6x − 6 cosh 4x + 15 cosh 2x + 10) 32 1 (sinh 7x − 7 sinh 5x + 21 sinh 3x + 35 sinh x) 64 1.323 1. cos2 x = 2. cos3 x = 3. cos4 x = 4. cos5 x = 5. cos6 x = 6. cos7 x = 1 (cos 2x + 1) 2 1 (cos 3x + 3 cos x) 4 1 (cos 4x + 4 cos 2x + 3) 8 1 (cos 5x + 5 cos 3x + 10 cos x) 16 1 (cos 6x + 6 cos 4x + 15 cos 2x + 10) 32 1 (cos 7x + 7 cos 5x + 21 cos 3x + 35 cos x) 64 1.324 1. cosh2 x = 2. cosh3 x = 3. cosh4 x = 4. cosh5 x = 5. cosh6 x = 6. cosh7 x = 1 (cosh 2x + 1) 2 1 (cosh 3x + 3 cosh x) 4 1 (cosh 4x + 4 cosh 2x + 3) 8 1 (cosh 5x + 5 cosh 3x + 10 cosh x) 16 1 (cosh 6x + 6 cosh 4x + 15 cosh 2x + 10) 32 1 (cosh 7x + 7 cosh 5x + 21 cosh 3x + 35 cosh x) 64 1.322 1.332 Trigonometric and hyperbolic functions: expansion in powers 33 1.33 The representation of trigonometric and hyperbolic functions of multiples of the argument (angle) in terms of powers of these functions 1.331 1.7 n n sin nx = n cosn−1 x sin x − cosn−3 x sin3 x + cosn−5 x sin5 x − . . . ; 3 5 ⎧ ⎨ n − 2 n−3 2 cosn−3 x = sin x 2n−1 cosn−1 x − ⎩ 1 ⎫ ⎬ n − 3 n−5 n − 4 n−7 + 2 cosn−5 x − 2 cosn−7 x + . . . ⎭ 2 3 AD (3.175) [(n+1)/2] 2. sinh nx = x n 2k − 1 sinh2k−2 x coshn−2k+1 x k=1 [(n−1)/2] = sinh x (−1)k k=0 3. n − k − 1 n−2k−1 coshn−2k−1 x 2 k n n cosn−2 x sin2 x + cosn−4 x sin4 x − . . . ; 2 4 n n n − 3 n−5 = 2n−1 cosn x − 2n−3 cosn−2 x + cosn−4 x 2 1 2 1 n n − 4 n−7 − cosn−6 x + . . . 2 3 2 cos nx = cosn x − AD (3.175) [n/2] 4.3 cosh nx = k=0 n sinh2k x coshn−2k x 2k [n/2] =2 n−1 n cosh x + n k=1 1.332 1. (−1)k 1 k n − k − 1 n−2k−1 coshn−2k x 2 k−1 2 4n − 22 4n2 − 42 4n2 − 22 3 5 sin 2nx = 2n cos x sin x − sin x + sin x − . . . 3! 5! 2n − 2 2n−3 2n−3 2 = (−1)n−1 cos x 22n−1 sin2n−1 x − sin x 1! (2n − 3)(2n − 4) 2n−5 2n−5 2 sin x + 2! (2n − 4)(2n − 5)(2n − 6) 2n−7 2n−7 2 − sin x + ... 3! AD (3.171) AD (3.173) 34 2. 3. Trigonometric and Hyperbolic Functions 1.333 (2n − 1)2 − 12 sin3 x sin(2n − 1)x = (2n − 1) sin x − 3! (2n − 1)2 − 12 (2n − 1)2 − 32 5 sin x − . . . AD (3.172) + 5! 2n − 1 2n−4 2n−3 2 = (−1)n−1 22n−2 sin2n−1 x − sin x 1! (2n − 1)(2n − 4) 2n−6 2n−5 2 sin x + 2! (2n − 1)(2n − 5)(2n − 6) 2n−8 2n−7 2 − sin x + ... AD (3.174) 3! 4n2 4n2 − 22 4n2 4n2 − 2 4n2 − 42 4n2 sin2 x + sin4 x − sin6 x + . . . cos 2nx = 1 − 2! 4! 6! AD (3.171) = (−1)n 2n 2n−3 2n−2 2 sin x 22n−1 sin2n x − 1! 2n(2n − 3) 2n−5 2n−4 2n(2n − 4)(2n − 5) 2n−7 2n−6 2 2 + sin x− sin x + ... 2! 3! AD (3.173)a 4. (2n − 1)2 − 12 sin2 x cos(2n − 1)x = cos x 1 − 2! (2n − 1)2 − 12 (2n − 1)2 − 32 4 sin x − . . . + 4! 2n − 3 2n−4 2n−4 2 = (−1)n−1 cos x 22n−2 sin2n−2 x − sin x 1! (2n − 4)(2n − 5) 2n−6 2n−6 2 sin x + 2! (2n − 5)(2n − 6)(2n − 7) 2n−8 2n−8 2 − sin x + ... 3! AD (3.172) AD (3.174) By using the formulas and values of 1.30, we can write formulas for sinh 2nx, sinh(2n − 1)x, cosh 2nx, and cosh(2n − 1)x that are analogous to those of 1.332, just as was done in the formulas in 1.331. Special cases 1.333 1. sin 2x = 2 sin x cos x 2. sin 3x = 3 sin x − 4 sin3 x sin 4x = cos x 4 sin x − 8 sin3 x 3. 4. 5. sin 5x = 5 sin x − 20 sin3 x + 16 sin5 x sin 6x = cos x 6 sin x − 32 sin3 x + 32 sin5 x 1.337 6. Trigonometric and hyperbolic functions: expansion in powers sin 7x = 7 sin x − 56 sin3 x + 112 sin5 x − 64 sin7 x 1.334 1. sinh 2x = 2 sinh x cosh x 2. sinh 3x = 3 sinh x + 4 sinh3 x sinh 4x = cosh x 4 sinh x + 8 sinh3 x 3.11 5.11 sinh 5x = 5 sinh x + 20 sinh3 x + 16 sinh5 x sinh 6x = cosh x 6 sinh x + 32 sinh3 x + 32 sinh5 x 6. sinh 7x = 7 sinh x + 56 sinh3 x + 112 sinh5 x + 64 sinh7 x 4. 1.335 1. cos 2x = 2 cos2 x − 1 2. cos 3x = 4 cos3 x − 3 cos x 3. cos 4x = 8 cos4 x − 8 cos2 x + 1 4. cos 5x = 16 cos5 x − 20 cos3 x + 5 cos x 5. cos 6x = 32 cos6 x − 48 cos4 x + 18 cos2 x − 1 6. cos 7x = 64 cos7 x − 112 cos5 x + 56 cos3 x − 7 cos x 1.336 1. cosh 2x = 2 cosh2 x − 1 2. cosh 3x = 4 cosh3 x − 3 cosh x 3. cosh 4x = 8 cosh4 x − 8 cosh2 x + 1 4. cosh 5x = 16 cosh5 x − 20 cosh3 x + 5 cosh x 5. cosh 6x = 32 cosh6 x − 48 cosh4 x + 18 cosh2 x − 1 6. cosh 7x = 64 cosh7 x − 112 cosh5 x + 56 cosh3 x − 7 cosh x 1.337 1.∗ 2.∗ 3.∗ 4.∗ 5.∗ 6.∗ cos 3x cos3 x cos 4x cos4 x cos 5x cos5 x cos 6x cos6 x sin 3x cos3 x sin 4x cos4 x = 1 − 3 tan2 x = 1 − 6 tan2 x + tan4 x = 1 − 10 tan2 x + 5 tan4 x = 1 − 15 tan2 x + 15 tan4 x − tan6 x = 3 tan x − tan3 x = 4 tan x − 4 tan3 x 35 36 7.∗ 8.∗ 9.∗ 10.∗ 11.∗ 12.∗ 13.∗ 14.∗ 15.∗ 16.∗ Trigonometric and Hyperbolic Functions 1.341 sin 5x = 5 tan x − 10 tan3 x + tan5 x cos5 x sin 6x = 6 tan x − 20 tan3 x + 6 tan5 x cos6 x cos 3x = cot3 x − 3 cot x sin3 x cos 4x = cot4 x − 6 cot2 x + 1 sin4 x cos 5x = cot5 x − 10 cot3 x + 5 cot x sin5 x cos 6x = cot6 x − 15 cot4 x + 15 cot2 x − 1 sin6 x sin 3x = 3 cot2 x − 1 sin3 x sin 4x = 4 cot3 x − 4 cot x sin4 x sin 5x = 5 cot4 x − 10 cot2 x + 1 sin5 x sin 6x = 6 cot5 x − 20 cot3 x + 6 cot x sin6 x 1.34 Certain sums of trigonometric and hyperbolic functions 1.341 1. n−1 sin(x + ky) = sin x + k=0 2. n−1 ny y n−1 y sin cosec 2 2 2 sinh(x + ky) = sinh x + k=0 3. n−1 cos(x + ky) = cos x + k=0 4. n−1 k=0 5. ny 1 n−1 y sinh 2 2 sinh y 2 ny y n−1 y sin cosec 2 2 2 cosh(x + ky) = cosh x + 2n−1 (−1)k cos(x + ky) = sin x + n−1 (−1)k sin(x + ky) = sin x + k=0 AD (361.9) ny 1 n−1 y sinh 2 2 sinh y 2 k=0 6. AD (361.8) y 2n − 1 y sin ny sec 2 2 n(y + π) y n−1 (y + π) sin sec 2 2 2 JO (202) AD (202a) 1.351 Sums of powers of trigonometric functions of multiple angles 37 Special cases 1.342 1. 2.10 n k=1 n sin kx = sin nx x n+1 x sin cosec 2 2 2 AD (361.1) nx x n+1 x sin cosec + 1 2 2 2 sin n + 12 x nx n+1 x 1 = cos sin x cosec = 1+ 2 2 2 2 sin x2 cos kx = cos k=0 AD (361.2) 3. 4. n k=1 n sin(2k − 1)x = sin2 nx cosec x 1 sin 2nx cosec x 2 cos(2k − 1)x = k=1 1.343 1. 2. 3. 1 (−1)n cos 2n+1 2 x (−1) cos kx = − + x 2 2 cos k=1 2 n sin 2nx (−1)k+1 sin(2k − 1)x = (−1)n+1 2 cos x n k=1 n k cos(4k − 3)x + k=1 AD (361.7) n JO (207) AD (361.11) AD (361.10) sin(4k − 1)x = sin 2nx (cos 2nx + sin 2nx) (cos x + sin x) cosec 2x k=1 JO (208) 1.344 1. n−1 k=1 2. n−1 k=1 3. n−1 k=0 sin π πk = cot n 2n √ nπ nπ n 2πk 2 = 1 + cos − sin sin n 2 2 2 √ nπ nπ n 2πk 2 = 1 + cos + sin cos n 2 2 2 AD (361.19) AD (361.18) AD (361.17) 1.35 Sums of powers of trigonometric functions of multiple angles 1.351 1. n k=1 1 [(2n + 1) sin x − sin(2n + 1)x] cosec x 4 n cos(n + 1)x sin nx = − 2 2 sin x sin2 kx = AD (361.3) 38 2. Trigonometric and Hyperbolic Functions n k=1 1.352 n−1 1 + cos nx sin(n + 1)x cosec x 2 2 n cos(n + 1)x sin nx = + 2 2 sin x cos2 kx = AD (361.4)a 3. n sin3 kx = n+1 nx x 1 3(n + 1)x 3nx 3x 3 sin x sin cosec − sin sin cosec 4 2 2 2 4 2 2 2 JO (210) cos3 kx = n+1 nx x 1 3(n + 1) 3nx 3x 3 cos x sin cosec + cos x sin cosec 4 2 2 2 4 2 2 2 JO (211)a sin4 kx = 1 [3n − 4 cos(n + 1)x sin nx cosec x + cos 2(n + 1)x sin 2nx cosec 2x] 8 JO (212) cos4 kx = 1 [3n + 4 cos(n + 1)x sin nx cosec x + cos 2(n + 1)x sin 2nx cosec 2x] 8 JO (213) k=1 4. n k=1 5. n k=1 6. n k=1 1.352 1.11 2.11 n cos 2n−1 sin nx 2 x − 2 sin x2 4 sin2 x2 k=1 n−1 n sin 2n−1 1 − cos nx 2 x k cos kx = − 2 sin x2 4 sin2 x2 n−1 k sin kx = AD (361.5) AD (361.6) k=1 1.353 1. n−1 pk sin kx = k=1 2. n−1 p sin x − pn sin nx + pn+1 sin(n − 1)x 1 − 2p cos x + p2 pk sinh kx = k=1 3. n−1 k=0 4. n−1 k=0 pk cos kx = p sinh x − pn sinh nx + pn+1 sinh(n − 1)x 1 − 2p cosh x + p2 1 − p cos x − pn cos nx + pn+1 cos(n − 1)x 1 − 2p cos x + p2 pk cosh kx = AD (361.12)a 1 − p cosh x − pn cosh nx + pn+1 cosh(n − 1)x 1 − 2p cosh x + p2 AD (361.13)a¡ JO (396) 1.36 Sums of products of trigonometric functions of multiple angles 1.361 1. n sin kx sin(k + 1)x = 1 [(n + 1) sin 2x − sin 2(n + 1)x] cosec x 4 JO (214) sin kx sin(k + 2)x = 1 n cos 2x − cos(n + 3)x sin nx cosec x 2 2 JO (216) k=1 2. n k=1 1.381 3. Sums leading to hyperbolic tangents and cotangents 2 n 39 n(x + 2y) x + 2y n+1 x sin cosec 2 2 2 n(2y − x) 2y − x n+1 x sin cosec − sin ny − 2 2 2 sin kx cos(2k − 1)y = sin ny + k=1 JO (217) 1.362 1. n x 2k 2 1 x sec k 2k 2 2 2k sin2 k=1 2. n k=1 = 2n sin 2 x 2n = cosec2 x − − sin2 x AD (361.15) 2 1 x cosec n 2n 2 AD (361.14) 1.37 Sums of tangents of multiple angles 1.371 1. n 1 x 1 x tan k = n cot n − 2 cot 2x k 2 2 2 2 AD (361.16) n 1 x 22n+2 − 1 1 2 x tan = + 4 cot2 2x − 2n cot2 n 22k 2k 3 · 22n−1 2 2 AD (361.20) k=0 2. k=0 1.38 Sums leading to hyperbolic tangents and cotangents 1.381 ⎞ ⎛ ⎟ 1 ⎟ ⎠ 2k + 1 2 π n sin 4n = tanh (2nx) 2 tanh x 1+ 2k + 1 π tan2 4n ⎞ ⎛ ⎜ tanh ⎜ ⎝x 1. n−1 k=0 ⎜ tanh ⎜ ⎝x 2. n−1 k=1 1 kπ 2n 2 tanh x 1+ kπ tan2 2n n sin2 JO (402)a ⎟ ⎟ ⎠ = coth (2nx) − 1 (tanh x + coth x) 2n JO (403) 40 Trigonometric and Hyperbolic Functions ⎞ ⎛ ⎟ ⎟ ⎠ 2k + 1 2 π (2n + 1) sin tanh x 2(2n + 1) = tanh (2n + 1) x − 2n + 1 tanh2 x 1+ 2k + 1 π tan2 2(2n + 1) ⎞ ⎛ ⎜ tanh ⎜ ⎝x 3. n−1 k=0 ⎜ tanh ⎜ ⎝x 4. 1.382 2 ⎟ ⎟ ⎠ 2 kπ 2(2n + 1) tanh2 x 1+ kπ tan2 (2n + 1) n k=1 JO (404) (2n + 1) sin2 = coth (2n + 1) x − coth x 2n + 1 JO (405) 1.382 1. n−1 k=0 2. n−1 k=1 3. n−1 k=0 4. n k=1 1 ⎛ 2k + 1 π ⎜ sin 4n ⎜ ⎝ sinh x ⎞ = 2n tanh (nx) 2 1 x ⎟ ⎟ tanh 2 2 ⎠ 1 ⎛ kπ 2 ⎜ sin 2n ⎜ ⎝ sinh x ⎛ 2 ⎜ sin ⎜ ⎝ ⎛ + + ⎞ = 2n coth (nx) − 2 coth x JO (407) 1 x ⎟ ⎟ tanh 2 2 ⎠ 1 2k + 1 π 2(2n + 1) sinh x kπ 2 ⎜ sin 2n + 1 ⎜ ⎝ sinh x JO (406) 1 ⎞ = (2n + 1) tanh + 1 x ⎟ ⎟ tanh 2 2 ⎠ ⎞ = (2n + 1) coth + x ⎟ 1 ⎟ tanh 2 2 ⎠ (2n + 1)x 2 (2n + 1)x 2 − tanh − coth x 2 x 2 JO (408) JO (409) 1.395 Representing sines and cosines as finite products 41 1.39 The representation of cosines and sines of multiples of the angle as finite products 1.391 1. sin nx = n sin x cos x n−2 2 k=1 2. 3. 4. n 2 - ⎛ ⎛ ⎞ 2 sin x ⎟ ⎜ ⎝1 − kπ ⎠ sin2 n ⎞ sin2 x ⎟ ⎠ (2k − 1)π 2 k=1 sin 2n ⎛ ⎞ n−1 2 2 sin x ⎟ ⎜ sin nx = n sin x ⎝1 − kπ ⎠ k=1 sin2 n ⎛ ⎞ n−1 2 2 - ⎜ sin x ⎟ cos nx = cos x ⎝1 − ⎠ (2k − 1)π 2 k=1 sin 2n cos nx = ⎜ ⎝1 − [n is even] JO (568) [n is even] JO (569) [n is odd] JO (570) [n is odd] JO (571)a 1.392 1. sin nx = 2n−1 n−1 - sin x + kπ n JO (548) sin x + 2k − 1 π 2n JO (549) k=0 2. cos nx = 2n−1 n k=1 1.393 1. n−1 - cos x + k=0 1 2k π = n−1 cos nx n 2 n 1 = n−1 (−1) 2 − cos nx 2 [n odd] [n even] JO (543) 2.11 n−1 - n−1 sin x + k=0 (−1) 2 2k π = sin nx n 2n−1 n (−1) 2 = n−1 (1 − cos nx) 2 [n odd] [n even] JO (544) 1.394 n−1 k=0 2kπ x − 2xy cos α + n 2 +y 2 = x2n − 2xn y n cos nα + y 2n 1.395 1. cos nx − cos ny = 2n−1 n−1 k=0 cos x − cos y + 2kπ n JO (573) JO (573) 42 2. Trigonometric and Hyperbolic Functions cosh nx − cos ny = 2 n−1 n−1 k=0 2kπ cosh x − cos y + n 1.396 JO (538) 1.396 1. n−1 - kπ +1 n x2 − 2x cos 2kπ +1 2n + 1 = x2n+1 − 1 x−1 KR 58 (28.2) x2 + 2x cos 2kπ +1 2n + 1 = x2n+1 − 1 x+1 KR 58 (28.3) x2 − 2x cos (2k + 1)π +1 2n = x2n + 1 KR 58 (28.4) k=1 2. n k=1 3. n k=1 4. n−1 - x2n − 1 x2 − 1 x2 − 2x cos k=0 = KR 58 (28.1) 1.41 The expansion of trigonometric and hyperbolic functions in power series 1.411 1. sin x = ∞ (−1)k k=0 2. sinh x = x2k+1 (2k + 1)! ∞ x2k+1 (2k + 1)! k=0 3. cos x = ∞ (−1)k k=0 4. x2k (2k)! ∞ x2k cosh x = (2k)! k=0 ∞ 22k 22k − 1 |B2k |x2k−1 tan x = (2k)! 6.11 π2 x2 < 4 k=1 ∞ 22k 22k − 1 2x5 17 7 x3 + − x + ··· = B2k x2k−1 tanh x = x − 3 15 315 (2k)! k=1 π2 2 x < 4 7. 1 22k |B2k | 2k−1 x cot x = − x (2k)! 5. ∞ x2 < π 2 FI II 523 FI II 523a k=1 ∞ 8. coth x = 2x5 1 22k B2k 2k−1 1 x x3 + − + − ··· = + x x 3 45 945 x (2k)! k=1 2 x < π2 FI II 522a 1.414 9. Trigonometric and hyperbolic functions: power series expansion sec x = ∞ |E2k | k=0 (2k)! π2 x2 < 4 x2k 43 CE 330a ∞ 10. sech x = 1 − E2k 5x4 61x6 x2 + − + ··· = 1 + x2k 2 24 720 (2k)! k=1 11. ∞ 1 2 22k−1 − 1 |B2k |x2k−1 cosec x = + x (2k)! π2 x2 < 4 x2 < π 2 CE 330 CE 329a k=1 12. ∞ 7x3 31x5 1 2 22k−1 − 1 B2k 2k−1 1 1 − + ··· = − x cosech x = − x + x 6 360 15120 x (2k)! k=1 2 x < π2 JO (418) 1.412 1. sin2 x = ∞ (−1)k+1 k=1 2. cos x = 1 − 2 ∞ 22k−1 x2k (2k)! (−1)k+1 k=1 JO (452)a 22k−1 x2k (2k)! JO (443) ∞ 3. 4. 32k+1 − 3 2k+1 1 x (−1)k+1 4 (2k + 1)! k=1 2k ∞ + 3 x2k 1 3 k 3 cos x = (−1) 4 (2k)! sin3 x = JO (452a)a JO (443a) k=0 1.413 1. sinh x = cosec x ∞ (−1)k+1 k=1 2. cosh x = sec x + sec x ∞ (−1)k k=1 3. sinh x = sec x ∞ (−1)[k/2] k=1 4. cosh x = cosec x ∞ k=1 1.414 1. 22k−1 x4k−2 (4k − 1)! 22k x4k (4k)! 2k−1 x2k−1 (2k − 1)! (−1)[(k−1)/2] 2k−1 x2k−1 (2k − 1)! 2 ∞ , + n + 02 n2 + 22 . . . n2 + (2k)2 2k+2 x cos n ln x + 1 + x2 = 1 − (−1)k (2k + 2)! k=0 2 x <1 JO (508) JO (507) JO (510) JO (509) AD (6456.1) 44 Trigonometric and Hyperbolic Functions 1.421 2 2 2 2k+1 ∞ , + 2 2 2 n n . . . n x + 1 + 3 + (2k − 1) k+1 sin n ln x + 1 + x2 = nx − n (−1) (2k + 1)! k=1 2 x <1 AD (6456.2) 2. Power series for ln sin x, ln cos x, and ln tan x see 1.518. 1.42 Expansion in series of simple fractions 1.421 ∞ 1. tan πx 4x 1 = 2 π (2k − 1)2 − x2 BR* (191), AD (6495.1) k=1 ∞ 2.10 tanh 4x 1 πx = 2 π (2k − 1)2 + x2 k=1 3. cot πx = ∞ ∞ 2x x 1 1 1 1 + + = πx π x2 − k 2 πx π k(x − k) k=1 AD (6495.2), JO (450a) k=−∞ k=0 ∞ 4. 2x 1 1 + coth πx = πx π x2 + k 2 (cf. 1.217 1) k=1 ∞ 5. tan2 πx 2(2k − 1)2 − x2 = x2 2 2 2 2 (12 − x2 ) (32 − x2 ) . . . [(2k − 1)2 − x2 ] JO (450) k=1 1.422 1. ∞ πx 4 2k − 1 sec = (−1)k+1 2 π (2k − 1)2 − x2 k=1 2. sec2 ∞ 4 πx = 2 2 π k=1 1 1 + (2k − 1 − x)2 (2k − 1 + x)2 AD (6495.3)a JO (451)a ∞ 3. cosec πx = 2x (−1)k 1 + πx π x2 − k 2 (see also 1.217 2) AD (6495.4)a k=1 ∞ ∞ 1 1 1 2 x2 + k 2 = + 2 π2 (x − k)2 π 2 x2 π2 (x2 − k 2 ) k=−∞ k=1 4. cosec2 πx = 5. (−1)k+1 1 + x cosec x 1 = 2− 2 2x x (x2 − k 2 π 2 ) JO (446) ∞ JO (449) k=1 6. cosec πx = ∞ 2 (−1)k π x2 − k 2 JO (450b) k=−∞ ∞ 1.423 π π 1 π 1 π2 + cot − = cosec2 2 2 4m m 4m m 2 (1 − k 2 m2 ) k=1 JO (477) 1.439 Representation in the form of an infinite product 45 1.43 Representation in the form of an infinite product 1.431 1. sin x = x ∞ - x2 k2 π2 1− k=1 2. sinh x = x ∞ - 1+ k=1 3. cos x = ∞ - 1− k=0 4. cosh x = ∞ - x2 k2 π2 EU 4x2 (2k + 1)2 π 2 1+ k=0 EU EU 4x2 (2k + 1)2 π 2 EU 1.432 1. 11 2. x2 cos x − cos y = 2 1 − 2 y cosh x − cos y = 2 1 + x2 y2 ∞ y sin 2 2 k=1 sin2 1− x2 (2kπ + y) 2 ∞ y x2 1+ 2 (2kπ + y)2 k=1 1− x2 (2kπ − y)2 1+ x2 (2kπ − y)2 ∞ πx πx (−1)k x − sin = 1.433 cos 1+ 4 4 2k − 1 k=1 % & ∞ 2 2 π + 2x 1 2 2 1.434 cos x = (π + 2x) 1− 4 2kπ k=1 ∞ x+a sin π(x + a) x x = 1.435 1− 1+ sin πa a k−a k+a %k=1 & ∞ 2 x sin2 πx = 1− 1.436 1 − k−a sin2 πa k=−∞ % & ∞ 2 2x sin 3x =− 1.437 1− sin x x + kπ k=−∞ % & ∞ 2 x cosh x − cos a = 1.438 1+ 1 − cos a 2kπ + a AD (653.2) AD (653.1) BR* 189 MO 216 MO 216 MO 216 MO 216 MO 216 k=−∞ 1.439 1. sin x = x ∞ k=1 2. cos x 2k ∞ x sin x 4 = 1 − sin2 k x 3 3 k=1 [|x| < 1] AD (615), MO 216 MO 216 46 Trigonometric and Hyperbolic Functions 1.441 1.44–1.45 Trigonometric (Fourier) series 1.441 1. ∞ sin kx k=1 2. ∞ cos kx k=1 3. k k π−x 2 1 = − ln [2 (1 − cos x)] 2 ∞ (−1)k−1 sin kx ∞ = k k=1 4. = (−1)k−1 k=1 x 2 x cos kx = ln 2 cos k 2 [0 < x < 2π] FI III 539 [0 < x < 2π] FI III 530a, AD (6814) [−π < x < π] FI III 542 [−π < x < π] FI III 550 FI III 541 1.442 1.11 ∞ sin(2k − 1)x k=1 2. 2k − 1 ∞ cos(2k − 1)x k=1 2k − 1 = π sign x 4 [−π < x < π] = 1 x ln cot 2 2 [0 < x < π] BR* 168, JO (266), GI III(195) 3. ∞ (−1)k−1 1 π x sin(2k − 1)x = ln tan + 2k − 1 2 4 2 + π π, − <x< 2 2 (−1)k−1 cos(2k − 1)x = 2k − 1 + π π, − <x< 2 2 3π π <x< 2 2 k=1 4.10 ∞ k=1 π 4 π =− 4 BR* 168, JO (268)a BR* 168, JO (269) 1.443 1.8 ∞ cos kπx k=1 k 2n π 2n (2n)! 2n = (−1)n−1 22n−1 k=0 2n k B2n−k ρk x (2π)2n B 2n 2 (2n)! 2 n−1 1 = (−1) 2. ∞ sin kπx k=1 k 2n+1 = (−1)n−1 22n 2n+1 π 2n+1 (2n + 1)! k=0 + 2n + 1 k x (2π)2n+1 B 2n+1 2 (2n + 1)! 2 0 ≤ x ≤ 2, ρ= x : x ;, − 2 2 CE 340, GE 71 B2n−k+1 ρk n−1 1 = (−1) + 0 < x < 1; ρ= x : x ;, − 2 2 CE 340 1.445 3. Trigonometric (Fourier) series ∞ cos kx k=1 4. ∞ k2 k=1 5. ∞ sin kx k=1 6. ∞ cos kx k=1 7. 1. k4 ∞ sin kx k=1 1.444 k3 k5 πx x2 π2 − + 6 2 4 [0 ≤ x ≤ 2π] FI III 547 x2 cos kx π2 − = k2 12 4 [−π ≤ x ≤ π] FI III 544 = (−1)k−1 = x3 π 2 x πx2 − + 6 4 12 [0 ≤ x ≤ 2π] = π 2 x2 πx3 x4 π4 − + − 90 12 12 48 [0 ≤ x ≤ 2π] AD (6617) = πx4 x5 π 4 x π 2 x3 − + − 90 36 48 240 [0 ≤ x ≤ 2π] AD (6818) ∞ sin 2(k + 1)x k=1 k(k + 1) = sin 2x − (π − 2x) sin2 x − sin x cos x ln 4 sin2 x [0 ≤ x ≤ π] 2. ∞ k=1 3. ∞ k=1 4. ∞ ∞ k=0 BR* 168, GI III (190) π cos 2(k + 1)x = cos 2x − − x sin 2x + sin2 x ln 4 sin2 x k(k + 1) 2 [0 ≤ x ≤ π] ! x !! x sin(k + 1)x ! = sin x − (1 + cos x) − sin x ln !2 cos ! (−1)k k(k + 1) 2 2 (−1)k k=1 5. 47 (−1)k ! x !! x cos(k + 1)x ! = cos x − sin x − (1 + cos x) ln !2 cos ! k(k + 1) 2 2 sin(2k + 1)x π = x (2k + 1)2 4 π = (π − x) 4 BR* 168 MO 213 MO 213 + π π, − ≤x≤ 2 2 π 3 ≤x≤ π 2 2 MO 213 6.6 ∞ FI III 546 + π, 0≤x≤ 2 JO (591) ∞ k sin kx π sinh α(π − x) = k 2 + α2 2 sinh απ [0 < x < 2π] BR* 157, JO (411) ∞ 1 cos kx π cosh α(π − x) − 2 = 2 2 k +α 2α sinh απ 2α [0 ≤ x ≤ 2π] BR* 257, JO (410) ∞ k=1 1.445 1. π − |x| 2 [−π ≤ x ≤ π] k=1 7. cos(2k − 1)x π = (2k − 1)2 4 1 π cos 2kx = − sin x (2k − 1)(2k + 1) 2 4 k=1 2. k=1 48 3. Trigonometric and Hyperbolic Functions ∞ (−1)k cos kx k 2 + α2 k=1 4. ∞ (−1)k−1 k=1 5. = 1 π cosh αx − 2 2α sinh απ 2α k sin kx π sinh αx = 2 2 k +α 2 sinh απ 1.446 [−π ≤ x ≤ π] FI III 546 [−π < x < π] FI III, 546 + , if x = 2mπ, then ··· = 0 ∞ k sin kx sin {α[(2m + 1)π − x]} =π 2 2 k −α 2 sin απ k=1 [2mπ < x < (2m + 2)π, 6. ∞ [2mπ ≤ x ≤ (2m + 2)π, (−1)k k=1 8. α not an integer] MO 213 ∞ + , if x = (2m + 1)π, then ··· = 0 , k sin kx sin[α(2mπ − x)] =π k 2 − α2 2 sin απ [(2m − 1)π < x < (2m + 1)π, α not an integer] (−1)k k=1 9.∗ MO 213 ∞ cos kx 1 π cos [α {(2m + 1)π − x}] = − 2 2 2 k −α 2α 2 α sin απ k=1 7. α not an integer] FI III 545a cos kx 1 π cos[α(2mπ − x)] = − k 2 − α2 2α2 2 α sin απ [(2m − 1)π ≤ x ≤ (2m + 1)π, α not an integer] FI III 545a ∞ einα π eiβ(α−2π) sinh(γα) + eiβα sinh [γ(2π − α)] = (n − β)2 + γ 2 γ cosh(2πγ) − cos(2πβ) n=−∞ [0 ≤ α ≤ 2π] 1.446 ∞ k=1 π (−1)k+1 cos(2k + 1)x 1 = cos2 x − cos x (2k − 1)(2k + 1)(2k + 3) 8 3 + π π, − ≤x≤ 2 2 BR* 256, GI III (189) 1.447 1. ∞ pk sin kx = k=1 2. ∞ pk cos kx = k=0 3. 1+2 ∞ k=1 p sin x 1 − 2p cos x + p2 [|p| < 1] FI II 559 [|p| < 1] FI II 559 [|p| < 1] FI II 559a, MO 213 1 − p cos x 1 − 2p cos x + p2 pk cos kx = 1 − p2 1 − 2p cos x + p2 1.449 Trigonometric (Fourier) series 49 1.448 1. ∞ pk sin kx k k=1 2. ∞ k=1 3. ∞ k=1 4. ∞ k=1 5. ∞ k=1 6. = arctan p sin x 1 − p cos x 1 pk cos kx = − ln 1 − 2p cos x + p2 k 2 2p sin x p2k−1 sin(2k − 1)x 1 = arctan 2k − 1 2 1 − p2 p2k−1 cos(2k − 1)x 1 1 + 2p cos x + p2 = ln 2k − 1 4 1 − 2p cos x + p2 (−1)k−1 p2k−1 sin(2k − 1)x 1 1 + 2p sin x + p2 = ln 2k − 1 4 1 − 2p sin x + p2 ∞ (−1)k−1 p2k−1 cos(2k − 1)x 2k − 1 k=1 = 1 2p cos x arctan 2 1 − p2 0 < x < 2π, p2 ≤ 1 0 < x < 2π, p2 ≤ 1 0 < x < 2π, p2 ≤ 1 0 < x < 2π, p2 ≤ 1 0 < x < π, p2 ≤ 1 0 < x < π, p2 ≤ 1 FI II 559 FI II 559 JO (594) JO (259) JO (261) JO (597) 1.449 1. ∞ pk sin kx k! k=1 2. ∞ k=0 = ep cos x sin (p sin x) pk cos kx = ep cos x cos (p sin x) k! Let S(x) = − x1 cos x + 3.∗ ∞ n=1 4.∗ 5.∗ n2 1 x and C(x) = 1 x p2 ≤ 1 p2 ≤ 1 JO (486) JO (485) sin x. n π S(nx) = [C(ax) − cot(πa)S(ax)] 2 −a 2 [0 < x < 2π, a = 0, ±1, ±2, . . .] [0 ≤ x ≤ 2π, a = 0, ±1, ±2, . . .] ∞ 1 1 π [S(ax) − cot(πa)C(ax)] C(nx) = 2 − 2 − a2 n 2a 2a n=1 ∞ (−1)n−1 n π S(nx) = cosec(πa)S(ax) 2 − a2 n 2 n=1 [−π < x < π, a = 0, ±1, ±2, . . .] 50 Trigonometric and Hyperbolic Functions 6.∗ ∞ (−1)n−1 1 π cosec(πa)C(ax) C(nx) = − 2 + 2 − a2 n 2a 2a n=1 7.∗ , πa 2n − 1 π+ S(nx) = C(ax) + tan S(ax) (2n − 1)2 − a2 4 2 n=1 8.∗ 1.451 a = 0, ±1, ±2, . . .] [−π < x < π, ∞ [0 < x < π, ∞ , πa 1 π + S(ax) − tan C(ax) C(nx) = − (2n − 1)2 − a2 4a 2 n=1 a = 0, ±1, ±2, . . .] 9.∗ ∞ πa (−1)n−1 π sec S(ax) S(nx) = 2 − a2 (2n − 1) 4a 2 n=1 [0 ≤ x ≤ π, a = 0, ±1, ±2, . . .] + π , π − ≤ x ≤ , a = 0, ±1, ±2, . . . 2 2 10.∗ ∞ πa (−1)n−1 (2n − 1) π C(nx) = sec C(ax) 2 2 (2n − 1) − a 4 2 n=1 + π π − ≤x≤ , 2 2 , a = 0, ±1, ±2, . . . Fourier expansions of hyperbolic functions 1.451 1. 2. ∞ 2 1 + 02 12 + 22 . . . 12 + (2k)2 sinh x = cos x sin2k+1 x (2k + 1)! k=0 ∞ 2 1 + 12 12 + 32 . . . 12 + (2k − 1)2 sin2k x cosh x = cos x + cos x (2k)! JO (504) JO (503) k=1 1.452 1. sinh (x cos θ) = sec (x sin θ) ∞ x2k+1 cos(2k + 1)θ (2k + 1)! k=0 2. cosh (x cos θ) = sec (x sin θ) ∞ k=0 3. sinh (x cos θ) = cosec (x sin θ) x2k cos 2kθ (2k)! cosh (x cos θ) = cosec (x sin θ) x2 < 1 x2 < 1 JO (391) JO (390) ∞ x2k sin 2kθ k=1 4. (2k)! x2 < 1, x sin θ = 0 x2 < 1, x sin θ = 0 JO (393) ∞ x2k+1 sin(2k + 1)θ k=0 (2k + 1)! JO (392) 1.480 Lobachevskiy’s “Angle of Parallelism” 51 1.46 Series of products of exponential and trigonometric functions 1.461 1. ∞ e−kt sin kx = k=0 2. 1+2 ∞ sin x 1 2 cosh t − cos x e−kt cos kx = k=1 1.4629 ⎡ ∞ sin kx sin ky k k=1 sinh t cosh t − cos x e−2k|t| [t > 0] MO 213 [t > 0] MO 213 ⎤ x+y 2 + sinh t 1 ⎢ ⎥ 2 = ln ⎣ ⎦ 4 2 2 x−y + sinh t sin 2 sin2 MO 214 1.463 x cos ϕ ∞ xn cos nϕ cos (x sin ϕ) = n! n=0 1. e 2. ex cos ϕ sin (x sin ϕ) = ∞ xn sin nϕ n! n=1 x2 < 1 x2 < 1 AD (6476.1) AD (6476.2) 1.47 Series of hyperbolic functions 1.471 1. ∞ sinh kx k=1 2. ∞ cosh kx k=0 3. k! ∞ k=0 k! = ecosh x sinh (sinh x) . JO (395) = ecosh x cosh (sinh x) . JO (394) 1 1 (2m + 1)πx (2m + 1)π π3 tanh + x tanh = (2k + 1)3 x 2 2x 16 1.472 1. ∞ pk sinh kx = p sinh x 1 − 2p cosh x + p2 pk cosh kx = 1 − p cosh x 1 − 2p cosh x + p2 k=1 2. ∞ k=0 p2 < 1 p2 < 1 JO (396) JO (397)a 1.48 Lobachevskiy’s “Angle of Parallelism” Π(x) 1.480 1. Definition. Π(x) = 2 arccot ex = 2 arctan e−x [x ≥ 0] LO III 297, LOI 120 52 2. 1.481 Trigonometric and Hyperbolic Functions Π(x) = π − Π(−x) 2. Functional relations 1 sin Π(x) = cosh x cos Π(x) = tanh x 3. tan Π(x) = 1. [x < 0] 1.481 LO III 183, LOI 193 LO III 297 LO III 297 4. 1 sinh x cot Π(x) = sinh x 5. sin Π(x + y) = sin Π(x) sin Π(y) 1 + cos Π(x) cos Π(y) LO III 297 6. cos Π(x + y) = cos Π(x) + cos Π(y) 1 + cos Π(x) cos Π(y) LO III 183 LO III 297 LO III 297 1.482 Connection with the Gudermannian. π gd(−x) = Π(x) − 2 (Definite) integral of the angle of parallelism: cf. 4.581 and 4.561. 1.49 The hyperbolic amplitude (the Gudermannian) gd x 1.490 1. Definition. x gd x = 0 2. gd x x= 0 1.491 dt π = 2 arctan ex − cosh t 2 JA gd x π + 2 4 JA dt = ln tan cos t Functional relations. 1. cosh x = sec(gd x) AD (343.1), JA 2. sinh x = tan(gd x) AD (343.2), JA 3. ex = sec(gd x) + tan(gd x) = tan 4. tanh x = sin(gd x) 5. tanh 6. 1 gd x 2 1 arctan (tanh x) = gd 2x 2 x = tan 2 1.492 If γ = gd x, then ix = gd iγ 1.493 Series expansion. π gd x + 4 2 = 1 + sin(gd x) cos(gd x) AD (343.5), JA AD (343.3), JA AD (343.4), JA AD (343.6a) JA ∞ 1. x gd x (−1)k = tanh2k+1 2 2k + 1 2 k=0 JA 1.513 Series representation ∞ 2. x 1 = tan2k+1 2 2k + 1 k=0 3. 4. 53 1 gd x 2 JA x5 61x7 x3 + − + ··· 6 24 5040 (gd x)5 61(gd x)7 (gd x)3 + + + ... x = gd x + 6 24 5040 gd x = x − JA + π, gd x < 2 JA 1.5 The Logarithm 1.51 Series representation ∞ 1.511 xk 1 1 1 ln(1 + x) = x − x2 + x3 − x4 + · · · = (−1)k+1 2 3 4 k k=1 [−1 < x ≤ 1] 1.512 1. ∞ (x − 1)k 1 1 (−1)k+1 ln x = (x − 1) − (x − 1)2 + (x − 1)3 − · · · = 2 3 k k=1 % 2. ln x = 2 x−1 1 + x+1 3 3 x−1 x+1 + 1 5 x−1 x+1 & 5 [0 < x ≤ 2] + ... = 2 ∞ k=1 1 2k − 1 x−1 x+1 2k−1 [0 < x] 3. 4.∗ ln x = ln x = lim →0 1.513 1. x−1 1 + x 2 x−1 x 2 + 1 3 + ··· = ∞ 1 k k=1 x−1 x x ≥ 12 k AD (644.6) x −1 ∞ ln x−1 x 3 1 1+x =2 x2k−1 1−x 2k − 1 x2 < 1 FI II 421 k=1 ∞ 2. ln 1 x+1 =2 x−1 (2k − 1)x2k−1 x2 > 1 AD (644.9) k=1 ∞ 3. 1 x = ln x−1 kxk [x ≤ −1 or x > 1] JO (88a) [−1 ≤ x < 1] JO (88b) [−1 ≤ x < 1] JO (102) k=1 ∞ 4. ln xk 1 = 1−x k k=1 ∞ 5. 1 xk 1−x ln =1− x 1−x k(k + 1) k=1 54 6. The Logarithm 1.514 ∞ k 1 1 1 ln = xk 1−x 1−x n n=1 x2 < 1 JO (88e) k=1 ∞ 7. xk−1 1 (1 − x)2 1 3 = + ln − 2x3 1−x 2x2 4x k(k + 1)(k + 2) [−1 ≤ x < 1] AD (6445.1) k=1 1.514 ∞ cos kϕ k x ; ln 1 − 2x cos ϕ + x2 = −2 k ln x + k=1 (see 1.631, 1.641, 1.642, 1.646) 1.515 1.11 2. 3. 4. ln 1 + ln 1 + 1 + x2 = arcsinh x 2 x ≤ 1, x cos ϕ = 1 1·1 2 1·1·3 4 1·1·3·5 6 x − x + x − ... 2·2 2·4·4 2·4·6·6 ∞ (2k − 1)! 2k (−1)k = ln 2 − 2x 22k (k!) k=1 2 x ≤1 MO 98, FI II 485 1 + x2 = ln 2 + 1 1 1·3 − + − ... x 2 · 3x3 2 · 4 · 5x5 ∞ (2k − 1)! 1 (−1)k 2k−1 = ln x + + x 2 · k!(k − 1)!(2k + 1)x2k+1 k=1 2 x ≥1 JO (91) 1 + x2 = ln x + ∞ 22k−1 (k − 1)!k! 2k+1 x 1 + x2 ln x + 1 + x2 = x − (−1)k (2k + 1)! k=1 2 x ≤1 √ ∞ 2 2 ln x + 1 + x2 22k (k!) 2k+1 √ x x ≤1 = (−1)k 2 (2k + 1)! 1+x AD (644.4) JO (93) JO (94) k=0 1.516 1. ∞ k k+1 k+1 (∓1) x 1 1 2 {ln (1 ± x)} = 2 k+1 n n=1 ∞ k n (−1)k+1 xk+2 1 1 1 3 {ln(1 + x)} = 6 k+2 n + 1 m=1 m n=1 x2 < 1 JO (86), JO (85) k=1 2. x2 < 1 AD (644.14) k=1 ∞ 2k−1 2 x2k (−1)n+1 x <1 k n=1 n k=1 ∞ xk−1 1 + + 2 ln(1 − x) = 2x (2k − 1)2k(2k + 1) 3. − ln(1 + x) · ln(1 − x) = 4. 1 4x √ 1+x 1+ x √ √ ln 1− x x JO (87) k=1 [0 < x < 1] AD (6445.2) 1.521 Series of logarithms (cf. 1.431) 1.517 1. 6 1 2x √ 1−x 1 − ln(1 + x) − √ arctan x x = ∞ k=1 55 (−1)k+1 xk−1 (2k − 1)2k(2k + 1) [0 < x ≤ 1] 2. 3. 1+x 1 arctan x ln = 2 1−x ∞ k=1 4k−2 2k−1 x 2k − 1 n=1 (−1)n−1 2n − 1 ∞ 2k (−1)k+1 x2k+1 1 1 arctan x ln 1 + x2 = 2 2k + 1 n n=1 x2 < 1 x2 ≥ 1 AD (6445.3) BR* 163 AD (6455.3) k=1 1.518 1. ln sin x = ln x − = ln x + x4 x6 x2 − − − ... 6 180 2835 ∞ (−1)k 22k−1 B2k x2k k(2k)! k=1 [0 < x < π] 2.3 3. 2 4 6 x x 17x x − − − − ... 2 12 45 2520 ∞ ∞ 2k−1 2k 2 2 − 1 |B2k | 2k 1 sin2k x x =− =− k(2k)! 2 k k=1 k=1 π2 x2 < 4 ln cos x = − 7 x2 62 6 127 8 + x4 + x + x + ... 3 90 18, 900 2835 ∞ 22k−1 − 1 22k B2k x2k = ln x + (−1)k+1 k(2k)! + π, 0<x< 2 1.52 Series of logarithms (cf. 1.431) 1.521 ∞ ln 1 − 4x2 (2k − 1)2 π 2 ln 1 − x2 k2 π2 k=1 2. FI II 524 ln tan x = ln x + k=1 1. AD (643.1)a 8 ∞ k=1 = ln cos x = ln sin x − ln x + π π, − <x< 2 2 [0 < x < π] AD (643.3)a 56 The Inverse Trigonometric and Hyperbolic Functions 1.621 1.6 The Inverse Trigonometric and Hyperbolic Functions 1.61 The domain of definition The principal values of the inverse trigonometric functions are defined by the inequalities: 1. 2. π π ≤ arcsin x ≤ ; 0 ≤ arccos x ≤ π 2 2 π π − < arctan x < ; 0 < arccot x < π 2 2 − [−1 ≤ x ≤ 1] FI II 553 [−∞ < x < +∞] FI II 552 1.62–1.63 Functional relations 1.621 1. The relationship between the inverse and the direct trigonometric functions. + π, π arcsin (sin x) = x − 2nπ 2nπ − ≤ x ≤ 2nπ + 2 2 + π, π = −x + (2n + 1)π (2n + 1)π − ≤ x ≤ (2n + 1)π + 2 2 2. arccos (cos x) = x − 2nπ = −x + 2(n + 1)π 3. arctan (tan x) = x − nπ 4. arccot (cot x) = x − nπ [2nπ ≤ x ≤ (2n + 1)π] [(2n + 1)π ≤ x ≤ 2(n + 1)π] + π, π nπ − < x < nπ + 2 2 [nπ < x < (n + 1)π] 1.622 The relationship between the inverse trigonometric functions, the inverse hyperbolic functions, and the logarithm. 1. 2. 3. 4. 5. 6. 7. 8. 1 1 ln iz + 1 − z 2 = arcsinh(iz) i i 1 1 arccos z = ln z + z 2 − 1 = arccosh z i i 1 1 + iz 1 arctan z = ln = arctanh(iz) 2i 1 − iz i 1 iz − 1 arccot z = ln = i arccoth(iz) 2i iz + 1 1 arcsinh z = ln z + z 2 + 1 = arcsin(iz) i arccosh z = ln z + z 2 − 1 = i arccos z arcsin z = 1 1 1+z ln = arctan(iz) 2 1−z i 1 z+1 1 arccoth z = ln = arccot(−iz) 2 z−1 i arctanh z = 1.624 Functional relations 57 Relations between different inverse trigonometric functions 1.623 1. 2. 1.624 1. 2. 3. 4. 5. 6. 7. 8. 9. π 2 π arctan x + arccot x = 2 arcsin x + arccos x = NV 43 NV 43 1 − x2 = − arccos 1 − x2 arcsin x = arccos arcsin x = arctan √ [0 ≤ x ≤ 1] NV 47 (5) [−1 ≤ x ≤ 0] NV 46 (2) x 1 − x2 √ 1 − x2 √ x 1 − x2 −π = arccot x arccos x = arcsin 1 − x2 = π − arcsin 1 − x2 arcsin x = arccot √ 1 − x2 x√ 1 − x2 = π + arctan x x arccos x = arccot √ 1 − x2 x arctan x = arcsin √ 1 + x2 1 arctan x = arccos √ 1 + x2 1 = − arccos √ 1 + x2 arccos x = arctan 1 x 1 = − arccot − π x arctan x = arccot 1 10.11 arccot x = arcsin √ 1 + x2 1 = π − arcsin √ 1 + x2 x 11. arccot x = arccos √ 1 + x2 x2 < 1 [0 < x ≤ 1] [−1 ≤ x < 0] NV 49 (10) [0 ≤ x ≤ 1] [−1 ≤ x ≤ 0] NV 48 (6) [0 < x ≤ 1] [−1 ≤ x < 0] NV 48 (8) [−1 ≤ x < 1] NV 46 (4) NV 6 (3) [x ≥ 0] [x ≤ 0] NV 48 (7) [x > 0] [x < 0] NV 49 (9) [x > 0] [x < 0] NV 49 (11) NV 46 (4) 58 12. 1.625 1. The Inverse Trigonometric and Hyperbolic Functions 1 x 1 = π + arctan x arccot x = arctan 1.625 [x > 0] [x < 0] NV 49 (12) arcsin x + arcsin y = arcsin x 1 − y 2 + y 1 − x2 = π − arcsin x 1 − y 2 + y 1 − x2 = −π − arcsin x 1 − y 2 + y 1 − x2 xy ≤ 0 or x2 + y 2 ≤ 1 x > 0, y > 0 and x2 + y 2 > 1 x < 0, y < 0 and x2 + y 2 > 1 NV 54(1), GI I (880) 2. 3. 1 − x2 1 − y 2 − xy = − arccos 1 − x2 1 − y 2 − xy arcsin x + arcsin y = arccos √ x 1 − y 2 + y 1 − x2 arcsin x + arcsin y = arctan √ 1 − x2 1 − y 2 − xy √ x 1 − y 2 + y 1 − x2 +π = arctan √ 1 − x2 1 − y 2 − xy √ x 1 − y 2 + y 1 − x2 −π = arctan √ 1 − x2 1 − y 2 − xy [x ≥ 0, y ≥ 0] [x < 0, y < 0] xy ≤ 0 or x2 + y 2 < 1 NV 55 x > 0, y > 0 and x2 + y 2 > 1 x < 0, y < 0 and x2 + y 2 > 1 NV 56 4. arcsin x − arcsin y = arcsin x 1 − y 2 − y 1 − x2 = π − arcsin x 1 − y 2 − y 1 − x2 = −π − arcsin x 1 − y 2 − y 1 − x2 xy ≥ 0 or x2 + y 2 ≤ 1 x > 0, y < 0 and x2 + y 2 > 1 x < 0, y > 0 and x2 + y 2 > 1 NV 55(2) 5. 6. 7.11 arcsin x − arcsin y = arccos x 1 − x2 1 − y 2 + xy = − arccos 1 − x2 1 − y 2 + xy 1 − x2 1 − y 2 = 2π − arccos xy − 1 − x2 1 − y 2 arccos x + arccos y = arccos xy − arccos x − arccos y = − arccos xy + 1 − x2 1 − y 2 = arccos xy + 1 − x2 1 − y 2 [xy > y] [x < y] NV 56 [x + y ≥ 0] [x + y < 0] NV 57 (3) [x ≥ y] [x < y] NV 57 (4) 1.627 8. Functional relations x+y 1 − xy x+y = π + arctan 1 − xy x+y = −π + arctan 1 − xy arctan x + arctan y = arctan 59 [xy < 1] [x > 0, xy > 1] [x < 0, xy > 1] NV 59(5), GI I (879) 9. x−y 1 + xy x−y = π + arctan 1 + xy x−y = −π + arctan 1 + xy arctan x − arctan y = arctan [xy > −1] [x > 0, xy < −1] [x < 0, xy < −1] NV 59(6) 1.626 1. 1 |x| ≤ √ 2 1 √ <x≤1 2 1 −1 ≤ x < − √ 2 2 arcsin x = arcsin 2x 1 − x2 = π − arcsin 2x 1 − x2 = −π − arcsin 2x 1 − x2 NV 61 (7) 2. 3. [0 ≤ x ≤ 1] 2 arccos x = arccos 2x2 − 1 = 2π − arccos 2x2 − 1 [−1 ≤ x < 0] 2x 1 − x2 2x +π = arctan 1 − x2 2x −π = arctan 1 − x2 2 arctan x = arctan NV 61 (8) [|x| < 1] [x > 1] [x < −1] NV 61 (9) 1.627 1. 2. arctan x + arctan arctan x + arctan 1 π = 2 x π =− 2 [x > 0] [x < 0] 1−x π = 4 1+x 3 =− π 4 GI I (878) [x > −1] [x < −1] NV 62, GI I (881) 60 The Inverse Trigonometric and Hyperbolic Functions 1.628 1.628 1. arcsin 2x = −π − 2 arctan x 1 + x2 = 2 arctan x [x ≤ −1] [−1 ≤ x ≤ 1] = π − 2 arctan x [x ≥ 1] NV 65 1−x = 2 arctan x 1 + x2 = −2 arctan x 2 2. arccos [x ≥ 0] [x ≤ 0] NV 66 1 2x − 1 2x − 1 − arctan tan π = E (x) 2 π 2 1.631 Relations between the inverse hyperbolic functions. x 1. arcsinh x = arccosh x2 + 1 = arctanh √ x2 + 1 √ x2 − 1 2 2. arccosh x = arcsinh x − 1 = arctanh x x 1 1 3. arctanh x = arcsinh √ = arccosh √ = arccoth 2 2 x 1−x 1−x 2 4. arcsinh x ± arcsinh y = arcsinh x 1 + y ± y 1 + x2 5. arccosh x ± arccosh y = arccosh xy ± (x2 − 1) (y 2 − 1) 1.629 6. arctanh x ± arctanh y = arctanh GI (886) JA JA JA JA JA x±y 1 ± xy JA 1.64 Series representations 1.641 1. 2. 1 3 1·3 5 1·3·5 7 π − arccos x = x + x + x + x + ... 2 2·3 2·4·5 2·4·6·7 ∞ 1 1 3 2 (2k)! x2k+1 = x F , ; ;x = 2k (k!)2 (2k + 1) 2 2 2 2 k=0 2 x ≤1 arcsin x = 1 3 1·3 5 x + x − ...; arcsinh x = x − 2·3 2·4·5 ∞ (2k)! x2k+1 (−1)k = 2 2k 2 (k!) (2k + 1) k=0 = x F 12 , 12 ; 32 ; −x2 x2 ≤ 1 FI II 479 FI II 480 1.645 Series representations 61 1.642 1. 1 1 1·3 1 − + ... 2 2x2 2 · 4 4x4 ∞ (2k)!x−2k (−1)k+1 = ln 2x + 2 22k (k!) 2k k=1 arcsinh x = ln 2x + [x ≥ 1] AD (6480.2)a 2. arccosh x = ln 2x − ∞ (2k)!x−2k [x ≥ 1] 2 k=1 22k (k!) 2k AD (6480.3)a 1.643 1. x3 x5 x7 + − + ... 3 5 7 ∞ (−1)k x2k+1 = 2k + 1 arctan x = x − k=0 2. arctanh x = x + x5 x3 + + ··· = 3 5 ∞ k=0 x2k+1 2k + 1 x2 ≤ 1 x2 < 1 FI II 479 AD (6480.4) 1.644 1. ∞ x (2k)! 2 2k 1 + x k=0 2 (k!)2 (2k + 1) 1 1 3 x2 x , ; ; =√ F 2 2 2 1 + x2 1 + x2 arctan x = √ x2 1 + x2 k 2 x <∞ AD (641.3) 2. arctan x = 1 1 π 1 1 π − + 3 − 5 + 7 − ··· = − 2 x 3x 5x 7x 2 ∞ (−1)k k=0 1 (2k + 1)x2k+1 AD (641.4) 1.645 ∞ 1. π 1 1 1·3 π (2k)!x−(2k+1) − − − − ··· = − 2 3 5 2 x 2 · 3x 2 · 4 · 5x 2 (k!) 22k (2k + 1) k=0 1 1 3 1 1 π , ; ; = − F 2 x 2 2 2 x2 arcsec x = x2 > 1 AD (641.5) 2. 2 (arcsin x) = ∞ 2 22k (k!) x2k+2 (2k + 1)!(k + 1) x2 ≤ 1 AD (642.2), GI III (152)a k=0 3. 3 (arcsin x) = x3 + 3! 2 1 3 1+ 2 5! 3 x5 + 3! 2 2 1 1 3 · 5 1 + 2 + 2 x7 + . . . 7! 3 5 x2 ≤ 1 BR* 188, AD (642.2), GI III (153)a 62 The Inverse Trigonometric and Hyperbolic Functions 1.646 1.646 ∞ 1. arcsinh 1 (−1)k (2k)! x−2k−1 = arcosech x = 2 x 22k (k!) (2k + 1) k=0 ∞ (2k)! 2. arccosh 2 1 = arcsech x = ln − x x 3. arcsinh 2 (−1)k+1 (2k)! 2k 1 x = arcosech x = ln + 2 x x 22k (k!) 2k 2 22k (k!) 2k k=1 x2k x2 ≥ 1 AD (6480.5) [0 < x ≤ 1] AD (6480.6) [0 < x ≤ 1] AD (6480.7)a ∞ k=1 4. 1.647 1. 2. arctanh 1 = arccoth x = x ∞ k=0 −(2k+1) x 2k + 1 x2 > 1 AD (6480.8) ⎛ ∗ n ∗ (−1)j−1 22j − 1 24n−2j+4 − 1 B2j−1 B4n−2j+3 ⎝2 = (2k − 1)4n+3 2 (2j)!(4n − 2j + 4)! j=1 k=1 2n+2 2 ∗ 2 ⎞ n (−1) 2 − 1 B2n+1 ⎠ + 2 [(2n + 2)!] n = 0, 1, 2, . . . , ⎛ ⎞ ∞ n−1 j ∗ ∗ k−1 4n+1 ∗ n ∗ 2 (−1) B B 2B4n (−1) B2n ⎠ (−1) sech(2k − 1) (π/2) π 2j 4n−2j + + , = 4n+3 ⎝2 (2k − 1)4n+1 2 (2j)!(4n − 2j)! (4n)! [(2n)]!2 j=1 ∞ tanh(2k − 1) (π/2) π 4n+3 k=1 n = 1, 2, . . . (The summation term on the right is to be omitted for n = 1.) (See page xxxiii for the definition of Br∗ .) 2 Indefinite Integrals of Elementary Functions 2.0 Introduction 2.00 General remarks We omit the constant of integration in all the formulas of this chapter. Therefore, the equality sign (=) means that the functions on the left and right of this symbol differ by a constant. For example (see 201 15), we write dx = arctan x = − arctan x 1 + x2 although π arctan x = − arctan x + . 2 we !integrate certain functions, we obtain the logarithm of the absolute value (for example, ! √ " When √ dx = ln !x + 1 + x2 !). In such formulas, the absolute-value bars in the argument of the logarithm 1+x2 are omitted for simplicity in writing. In certain cases, it is important to give the complete form of the primitive function. Such primitive functions, written in the form of definite integrals, are given in Chapter 2 and in other chapters. Closely related to these formulas are formulas in which the limits of integration and the integrand depend on the same parameter. A number of formulas lose their meaning for certain values of the constants (parameters) or for certain relationships between these constants (for example, formula 2.02 8 for n = −1 or formula 2.02 15 for a = b). These values of the constants and the relationships between them are for the most part completely clear from the very structure of the right-hand member of the formula (the one not containing an integral sign). Therefore, throughout the chapter, we omit remarks to this effect. However, if the value of the integral is given by means of some other formula for those values of the parameters for which the formula in question loses meaning, we accompany this second formula with the appropriate explanation. The letters x, y, t, . . . denote independent variables; f , g, ϕ, . . . denote functions of x, y, t, . . . ; f , g , ϕ , . . . , f , g , ϕ , . . . denote their first, second, etc., derivatives; a, b, m, p, . . . denote constants, by which we generally mean arbitrary real numbers. If a particular formula is valid only for certain values of the constants (for example, only for positive numbers or only for integers), an appropriate remark is made, provided the restriction that we make does not follow from the form of the formula itself. Thus, in formulas 2.148 4 and 2.424 6, we make no remark since it is clear from the form of these formulas themselves that n must be a natural number (that is, a positive integer). 63 64 Introduction 2.01 The basic integrals 1. 2. 3. 4. 5. 6. 11 7. 8. xn+1 (n = −1) x dx = n+1 dx = ln x x ex dx = ex ax ax dx = ln a sin x dx = − cos x cos x dx = sin x dx = − cot x sin2 x dx = tan x cos2 x n 11 16. 17. 18. 19. 20. 21. 22.11 23. 24. 25. 26. dx 1 1+x = arctanh x = ln 2 1−x 2 1−x dx √ = arcsin x = − arccos x 1 − x2 dx √ = arcsinh x = ln x + x2 + 1 x2 + 1 dx √ = arccosh x = ln x + x2 − 1 x2 − 1 sinh x dx = cosh x cosh x dx = sinh x dx = − coth x sinh2 x dx = tanh x cosh2 x tanh x dx = ln cosh x coth x dx = ln sinh x x dx = ln tanh sinh x 2 9. 10. sin x dx = sec x cos2 x cos x dx = − cosec x sin2 x tan x dx = − ln cos x 11. 12. cot x dx = ln sin x 13. 14. 15. x dx = ln tan sin x 2 π x dx = ln tan + = ln (sec x + tan x) cos x 4 2 dx π = arctan x = − arccot x 2 1+x 2 General formulas 65 2.02 General formulas 1. af dx = a f dx [af ± bϕ ± cψ ± . . .] dx = a f dx ± b ϕ dx ± c ψ dx ± . . . d f dx = f dx f dx = f f ϕ dx = f ϕ − f ϕ dx [integration by parts] (n+1) (n) (n−1) (n−2) n (n) n+1 f ϕ dx = ϕf − ϕ f +ϕ f − . . . + (−1) ϕ f + (−1) ϕ(n+1) f dx f (x) dx = f [ϕ(y)]ϕ (y) dy [x = ϕ(y)] [change of variable] 2. 3. 4. 5. 6. 7. 11 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. (f )n f dx = (f )n+1 n+1 For n = −1 f dx = ln f f (af + b)n+1 (af + b)n f dx = a(n + 1) √ f dx 2 af + b √ = a af + b f f ϕ−ϕf dx = ϕ2 ϕ f f ϕ − ϕ f dx = ln fϕ ϕ dx dx dx =± ∓ f (f ± ϕ) fϕ ϕ (f ± ϕ) f dx = ln f + f 2 + a f2 + a a b f dx dx dx = − (f + a)(f + b) a − b (f + a) a − b (f + b) For a = b dx dx f dx −a = (f + a)2 f +a (f + a)2 f dx dx ϕ dx = − (f + ϕ)n (f + ϕ)n−1 (f + ϕ)n qf f dx 1 arctan = 2 2 2 p +q f pq p [n = −1] 66 Rational Functions 2.101 qf − p f dx 1 ln = q 2 f 2 − p2 2pq qf + p f dx dx = −x + 1−f 1−f 1 f dx 1 f dx f 2 dx + = f 2 − a2 2 f −a 2 f +a f f dx = arcsin a a2 − f 2 1 f f dx = ln 2 af + bf b af + b f 1 f dx = arcsec 2 2 a a f f −a (f ϕ − f ϕ ) dx f = arctan 2 2 f +ϕ ϕ 1 f −ϕ (f ϕ − f ϕ ) dx = ln f 2 − ϕ2 2 f +ϕ 18. 19. 20. 21. 22. 23. 24. 25. 2.1 Rational Functions 2.10 General integration rules F (x) , where F (x) and f (x) are polynomials with f (x) no common factors, we first need to separate out the integral part E(x) [where E(x) is a polynomial], if there is an integral part, and then to integrate separately the integral part and the remainder; thus: F (x) dx ϕ(x) = E(x) dx + dx. f (x) f (x) Integration of the remainder, which is then a proper rational function (that is, one in which the degree of the numerator is less than the degree of the denominator) is based on the decomposition of the fraction into elementary fractions, the so-called partial fractions. 2.102 If a, b, c, . . . , m are roots of the equation f (x) = 0 and if α, β, γ, . . . , μ are their corresponding ϕ(x) can be decomposed into the following multiplicities, so that f (x) = (x−a)α (x−b)β . . . (x−m)μ , then f (x) partial fractions: ϕ(x) Aα Bβ Aα−1 A1 Bβ−1 B1 = + + ... + + ... + + + ... + α α−1 β β−1 f (x) (x − a) (x − a) x − a (x − b) (x − b) x−b Mμ−1 M1 Mμ , + + ... + + μ μ−1 (x − m) (x − m) x−m 2.101 To integrate an arbitrary rational function where the numerators of the individual fractions are determined by the following formulas: (k−1) (a) ψ1 , (k − 1)! ϕ(x)(x − a)α ψ1 (x) = , f (x) Aα−k+1 = (k−1) (b) ψ2 , (k − 1)! ϕ(x)(x − b)β ψ2 (x) = , f (x) Bβ−k+1 = (k−1) ..., ..., ψm (m) , (k − 1)! ϕ(x)(x − m)μ ψm (x) = f (x) Mμ−k+1 = 2.104 General integration rules 67 TI 51a If a, b, . . . , m are simple roots, that is, if α = β = . . . = μ=1, then ϕ(x) A B M = + + ··· + , f (x) x−a x−b x−m where ϕ(a) ϕ(b) ϕ(m) A= , B= , ... , M= . f (a) f (b) f (m) If some of the roots of the equation f (x) = 0 are imaginary, we group together the fractions that represent conjugate roots of the equation. Then, after certain manipulations, we represent the corresponding pairs of fractions in the form of real fractions of the form M1 x + N 1 M2 x + N 2 Mp x + N p + p. 2 + ... + x2 + 2Bx + C (x2 + 2Bx + C) (x2 + 2Bx + C) g dx ϕ(x) reduces to integrals of the form 2.103 Thus, the integration of a proper rational fraction f (x) (x − a)α Mx + N or p dx. Fractions of the first form yield rational functions for α > 1 and logarithms (A + 2Bx + Cx2 ) for α = 1. Fractions of the second form yield rational functions and logarithms or arctangents: d(x − a) g g dx =g =− 1. (x − a)α (x − a)α (α − 1)(x − a)α−1 d(x − a) g dx =g = g ln |x − a| 2. x−a x−a Mx + N N B − M A + (N C − M B)x 3. p dx = p−1 (A + 2Bx + Cx2 ) 2(p − 1) (AC − B 2 ) (A + 2Bx + Cx2 ) (2p − 3)(N C − M B) dx + p−1 2(p − 1) (AC − B 2 ) (A + 2Bx + Cx2 ) dx 1 Cx + B 4. =√ arctan √ for AC > B 2 2 2 A + 2Bx + Cx2 AC − B Ac − B ! ! ! Cx + B − √B 2 − AC ! 1 ! ! √ = √ ln ! ! for AC < B 2 2 2 ! ! 2 B − AC Cx + B + B − AC (M x + N ) dx 5. A + 2Bx + Cx2 ! NC − MB M !! Cx + B ln A + 2Bx + Cx2 ! + √ = arctan √ for AC > B 2 2 2 2C C AC − B AC − B ! ! ! Cx + B − √B 2 − AC ! ! N C − M B M !! ! ! √ √ ln A + 2Bx + Cx2 ! + = ln ! ! for AC < B 2 2 2 ! ! 2C 2C B − AC Cx + B + B − AC The Ostrogradskiy–Hermite method ϕ(x) dx f (x) without finding the roots of the equation f (x) = 0 and without decomposing the integrand into partial fractions: 2.104 By means of the Ostrogradskiy-Hermite method, we can find the rational part of 68 Rational Functions 2.110 M N dx ϕ(x) dx = + FI II 49 f (x) D Q Here, M , N , D, and Q are rational functions of x. Specifically, D is the greatest common divisor of f (x) the function f (x) and its derivative f (x); Q = ; M is a polynomial of degree no higher than m − 1, D where m is the degree of the polynomial D; N is a polynomial of degree no higher than n − 1, where n is the degree of the polynomial Q. The coefficients of the polynomials M and N are determined by equating the coefficients of like powers of x in the following identity: ϕ(x) = M Q − M (T − Q ) + N D f (x) where T = and M and Q are the derivatives of the polynomials M and Q. D 2.11–2.13 Forms containing the binomial a + bxk 2.110 1. Reduction formulas for zk = a + bxk and an explicit expression for the general case. amk xn+1 zkm + xn zkm dx = xn zkm−1 dx km + n + 1 km + n + 1 p (ak)s (m + 1)m(m − 1) . . . (m − s + 1)zkm−s xn+1 = m + 1 s=0 [mk + n + 1][(m − 1)k + n + 1] . . . [(m − s)k + n + 1] (ak)p+1 m(m − 1) . . . (m − p + 1)(m − p) xn zkm−p−1 dx + [mk + n + 1][(m − 1)k + n + 1] . . . [(m − p)k + n + 1] LA 126(4) 3. 4. 5. 6. 7.∗ 8.∗ km + k + n + 1 xn zkm+1 dx ak(m + 1) ak(m + 1) bkm xn+1 zkm n m − x zk dx = xn+k zkm−1 dx n+1 n+1 xn+1−k zkm+1 n+1−k − xn zkm dx = xn−k zkm+1 dx bk(m + 1) bk(m + 1) xn+1−k zkm+1 a(n + 1 − k) − xn−k zkm dx xn zkm dx = b(km + n + 1) b(km + n + 1) xn+1 zkm+1 b(km + k + n + 1) n m − x zk dx = xn+k zkm dx a(n + 1) a(n + 1) b c k−i k i b k n +n nk (−1) k! Γ a+1 n b a+1 xa+1+ib x nx + c dx = b i=0 (k − i)! Γ b + i + 1 xn zkm dx = 2. −xn+1 zkm+1 + xn zkm dx = a m−i LA 126 (6) LA 125 (2) LA 126 (3) LA 126 (5) [a, b, k ≥ 0 are all integers] m xk(J+i+1) bm (−1)i m!J! xk + b k i=0 (m − i)!(J + i + 1)! J= n+1 −1 k [a, b, k, m, n real, k = 0, m ≥ 0 an integer] Forms containing the binomial a + bxk 2.114 Forms containing the binomial z1 = a + bx 2.111 1. 2. 3.8 4. 5. 6. 2.113 z1m+1 b(m + 1) For m = −1 1 dx = ln z1 z1 b n n−1 dx na xn x dx x − = m−1 z1m z1m z1 (n + 1 − m)b (n + 1 − m)b For n = m − 1, we may use the formula m−1 dx 1 xm−2 dx xm−1 x + = − m−1 z1m z1 (m − 1)b b z1m−1 For m = 1 n x dx axn−1 an−1 x (−1)n an xn a2 xn−2 − = + − . . . + (−1)n−1 + ln z1 2 3 z1 nb (n − 1)b (n − 2)b 1 · bn bn+1 n n−1 n−1 kak−1 xn−k an x dx n−1 n+1 na = (−1)k−1 + (−1) + (−1) ln z1 2 z1 (n − k)bk+1 bn+1 z1 bn+1 k=1 a x dx x = − 2 ln z1 z1 b b 2 ax a2 x dx x2 − 2 + 3 ln z1 = z1 2b b b z1m dx = 1. 2. 3. 2.114 1. 2. 3. 4.6 dx 1 =− 2 z1 bz1 x dx x 1 a 1 =− + 2 ln z1 = 2 + 2 ln z1 z12 bz1 b b z1 b x2 dx x a2 2a = − − 3 ln z1 2 2 3 z1 b b z1 b dx 1 =− z13 2bz12 +x a , 1 x dx + = − z13 b 2b2 z12 2 2ax 3a2 1 x dx 1 = + + 3 ln z1 z13 b2 2b3 z12 b 3 3 x a 2 a2 5 a3 1 a x dx + 2 2x − 2 3x − = − 3 4 ln z1 3 2 4 z1 b b b 2 b z1 b 69 70 2.115 1. 2. 3. 4. 2.116 1. 2. 3. 4. 2.117 Rational Functions dx 1 =− z14 3bz13 +x a , 1 x dx + 2 3 =− 4 z1 2b 6b z1 2 2 x ax a2 1 x dx + = − + z14 b b2 3b3 z13 3 3ax2 x dx 9a2 x 11a3 1 1 = + + + 4 ln z1 z14 b2 2b2 6b4 z13 b dx 1 =− 5 z1 4bz14 +x a , 1 x dx + = − z15 3b 12b2 z14 2 2 x 1 ax x dx a2 + 2+ =− z15 2b 3b 12b3 z14 3 3 x 3ax2 x dx a2 x a3 1 + = − + + z15 b 2b2 b3 4b4 z14 1. 2. 3. 4. dx −1 b(2 − n − m) = + xn z1m a(n − 1) (n − 1)axn−1 z1m−1 dx 1 =− m z1 (m − 1)bz1m−1 1 dx 1 + = m−1 xz1m z1 a(m − 1) a dx xz1m−1 n−1 (−1)k bk−1 dx (−1)n bn−1 z1 = + ln xn z1 (n − k)ak xn−k an x k=1 2.118 1. 2. 3. 2.119 1. dx 1 z1 = − ln , xz1 a x b dx 1 z1 + 2 ln =− 2 x z1 ax a x b2 1 b z1 dx =− + 2 − 3 ln 3 2 x z1 2ax a x a x dx 1 1 z1 = − 2 ln 2 xz1 az1 a x dx xn−1 z1m 2.115 Forms containing the binomial a + bxk 2.124 1 2b 1 dx 2b z1 + =− + 3 ln x2 z12 ax a2 z1 a x 3b2 1 dx 1 3b 3b2 z1 = − + 2 + 3 − 4 ln 2 3 2 x z1 2ax 2a x a z1 a x 2. 3. 2.121 1. 2. 3. 2.122 1. 2. 3. 2.123 1.11 2. 3. 2.124 1. 2. 3 dx bx 1 1 z1 + = − 3 ln 3 2 2 xz1 2a a z1 a x 2 1 9b dx 3b x 1 3b z1 + =− + 3 + 4 ln x2 z13 ax 2a2 a z12 a x 9b2 dx 1 2b 6b3 x 1 6b2 z1 = − + 2 + 3 + 4 − 5 ln 3 2 3 2 x z1 2ax a x a a z1 a x 11 5bx b2 x2 1 dx 1 z1 + = + 3 − 4 ln xz14 6a 2a2 a z13 a x 1 22b 10b2 x 4b3 x2 1 dx 4b z1 + = − + + + 5 ln x2 z14 ax 3a2 a3 a4 z13 a x 2 3 4 2 1 55b dx 1 5b 25b x 10b x 10b2 z1 + = − + + + − ln x3 z14 2ax2 2a2 x 3a3 a4 a5 z13 a6 x 25 13bx 7b2 x2 b3 x3 1 1 z1 dx + = + + − 5 ln xz15 12a 3a2 2a3 a4 z14 a x 2 3 2 4 3 1 125b 65b x 35b x dx 1 5b x 5b z1 − = − − − − + 6 ln 5 4 2 2 3 4 5 x z1 ax 12a 3a 2a a z1 a x 2 3 4 2 5 3 1 125b dx 1 3b 65b x 105b x 15b x 15b2 z1 = − + 2 + + + + − 7 ln 5 4 3 2 3 4 5 6 x z1 2ax a x 4a a 2a a z1 a x Forms containing the binomial z2 = a + bx2 . b dx 1 if [ab > 0] (see also 2.141 2) = √ arctan x z2 a ab √ a + xi ab 1 √ if [ab < 0] (see also 2.143 2 and 2.1433) = √ ln 2i ab a − xi ab x dx 1 =− (see also 2.145 2, 2.145 6, and 2.18) m z2 2b(m − 1)z2m−1 71 72 Rational Functions 2.125 Forms containing the binomial z3 = a + bx3 a Notation: α = 3 b 2.125 n n−3 dx (n − 2)a xn−2 x dx x − = 1. m−1 m m z3 z3 z3 (n + 1 − 3m)b b(n + 1 − 3m) n n n+1 x dx x n + 4 − 3m x dx 2. = − m m−1 z3 3a(m − 1) 3a(m − 1)z3 z3m−1 2.126 1. 2. 3. 4. 5. 2.127 2. 3. 4. 1. 2. √ √ (x + α)2 x 3 1 ln + 3 arctan 2 x2 − αx + α2 2α − x 2 √ (x + α) 1 2x − α √ ln 2 + 3 arctan 2 x − αx + α2 α 3 2 (x + α) 1 ln − 2 x2 − αx + α2 x dx 1 =− z3 3bα √ (see also 2.141 3 and 2.143) 2x − α √ 3 arctan α 3 (see also 2.145 3. and 2.145 7) 2 −3 x dx 1 ln 1 + x3 α = z3 3b 3 x dx x a dx = − z3 b b z3 4 2 x dx a x dx x − = z3 2b b z3 1. 2.128 dx α = z3 3a α = 3a LA 133 (1) dx x 2 = + z32 3az3 3a x2 1 x dx = + 2 z3 3az3 3a x3 dx x 1 =− + 2 z3 3bz3 3b (see 2.126 2) (see 2.126 1) x dx z3 1 ln z3 3b (see 2.126 1) dx z3 x2 dx 1 =− z32 3bz3 = dx z3 (see 2.126 2) (see 2.126 1) dx 1 b(3m + n − 4) dx = − − m m−1 n n−3 n−1 x z3 a(n − 1) x z3m (n − 1)ax z3 dx 1 n + 3m − 4 dx = + xn z3m 3a(m − 1) xn z3m−1 3a(m − 1)xn−1 z3m−1 LA 133 (2) Forms containing the binomial a + bxk 2.133 2.129 1. 2. 3. 2.131 1. 2. 3. x3 1 dx ln = xz3 3a z3 b x dx 1 dx − = − x2 z3 ax a z3 dx 1 b dx =− − x3 z3 2ax2 a z3 (see 2.126 2) (see 2.126 1) 1 1 x3 dx = + ln xz32 3az3 3a2 z3 2 1 1 4bx dx 4b x dx + = − − x2 z32 ax 3a2 z3 3a2 z3 1 5bx 1 5b dx dx =− + 2 − 2 2 3 2 x z3 2ax 6a z3 3a z3 (see 2.126 2) (see 2.126 1) Forms containing the binomial z4 = a + bx4 a a 4 α = 4 − Notation: α = b b 2.132 √ √ 2 2 + αx 2 + α 2 x α αx dx √ 1.8 ln = √ + 2 arctan 2 for ab > 0 z4 α − x2 4a 2 x2 − αx 2 + α2 x α x + α + 2 arctan for ab < 0 = ln 4a x − α α b 1 x dx 2 for ab > 0 (see = √ arctan x 2. z4 a 2 ab √ a + x2 i ab 1 √ for ab < 0 (see = √ ln 4i ab a − x2 i ab √ √ 2 x dx x2 − αx 2 + α2 1 αx 2 √ √ 3. ln = + 2 arctan 2 for ab > 0 z4 α − x2 4bα 2 x2 + αx 2 + α2 x x + α 1 − 2 arctan ln for ab < 0 =− 4bα x − α α 3 1 x dx ln z4 = 4. z4 4b 2.133 1. 2. 73 xn+1 4m − n − 5 xn dx = + m m−1 z4 4a(m − 1) 4a(m − 1)z4 (see also 2.141 4) (see also 2.143 5) also 2.145 4) also 2.145 8) xn dx z4m−1 n n−4 dx (n − 3)a x dx xn−3 x − = m−1 z4m z4m z4 (n + 1 − 4m)b b(n + 1 − 4m) LA 134 (1) 74 2.134 Rational Functions 1. 2. 3. 4. x 3 dx = + z42 4az4 4a x dx x2 1 = + z42 4az4 2a x2 dx x3 1 = + 2 z4 4az4 4a 2.134 dx z4 (see 2.132 1) x dx z4 (see 2.132 2) x2 dx z4 (see 2.132 3) x3 dx x4 1 = =− z42 4az4 4bz4 dx 1 b(4m + n − 5) 2.135 =− − m m−1 n n−1 x z4 (n − 1)a (n − 1)ax z4 For n = 1 dx dx dx 1 b = − m m−1 −3 xz4 a xz4 a x z4m 2.136 dx 1 x4 ln x ln z4 1. − = ln = xz4 a 4a 4a z4 2 b x dx dx 1 − 2. =− 2 x z4 ax a z4 dx xn−4 z4m (see 2.132 3) 2.14 Forms containing the binomial 1 ± xn 2.141 1. 2.11 4. dx = arctan x = − arctan 1 + x2 1 x (see also 2.124 1) √ 1+x x 3 1 1 dx (see also 2.126 1) = ln √ + √ arctan 1 + x3 3 2−x 3 1 − x + x2 √ √ dx 1 + x 2 + x2 x 2 1 1 √ √ √ ln arctan = + 1 + x4 1 − x2 4 2 1 − x 2 + x2 2 2 3. dx = ln(1 + x) 1+x (see also 2.132 1) 2.142 n −1 2 dx 2 = − Pk cos 1 + xn n k=0 n −1 2 2k + 1 2 π + Qk sin n n k=0 2k + 1 π n for n a positive even number TI (43)a n−3 2 = 2 1 ln(1 + x) − Pk cos n n k=0 n−3 2 2k + 1 2 π + Qk sin n n k=0 2k + 1 π n for n a positive odd number TI (45) Forms containing the binomial 1 ± xn 2.145 75 where 2k + 1 1 ln x2 − 2x cos π +1 2 n x − cos 2k+1 x sin 2k+1 π π n2k+1 = arctan 2k+1n Qk = arctan 1 − x cos n π sin n π Pk = 2.143 1. 2. 3. 4. 5. dx = − ln(1 − x) 1−x dx 1 1+x = arctanh x [−1 < x < 1] (see also 2.141 1) = ln 2 1−x 2 1−x 1 x−1 dx = ln = − arccoth x [x > 1, x < −1] 2 x −1 2 x+1 √ √ dx 1 1 + x + x2 x 3 1 + √ arctan (see also 2.126 1) = ln 1 − x3 3 1−x 2+x 3 dx 1 1 1+x 1 + arctan x = (arctanh x + arctan x) = ln 4 1−x 4 1−x 2 2 (see also 2.132 1) 2.144 1. n −1 n −1 2 2 2 2 dx 1 1+x 2k 2k ln − π + = P cos Qk sin π k 1 − xn n 1−x n n n n k=1 k=1 for n a positive even number where Pk = 2. 1 2k + 1 ln x2 + 2x cos π+1 , 2 n Qk = arctan n−3 n−3 k=0 k=0 x + cos 2k+1 n π sin 2k+1 n π 2 2 2 2 dx 1 2k + 1 2k + 1 ln(1 − x) + π + π = − P cos Qk sin k n 1−x n n n n n for n a positive odd number where Pk = 2.145 1. 2. 3. TI (47) 1 2k ln x2 − 2x cos π + 1 , 2 n Qk = arctan x − cos 2k n π sin 2k n π x dx = x − ln(1 + x) 1+x x dx 1 = ln 1 + x2 2 1+x 2 (1 + x)2 2x − 1 1 1 x dx ln = − + √ arctan √ 1 + x3 6 1 − x + x2 3 3 (see also 2.126 2) TI (49) 76 Rational Functions 2.146 4. 5. 6. 7. 8. 2.146 1. x dx 1 = arctan x2 1 + x4 2 x dx = − ln(1 − x) − x 1−x x dx 1 = − ln 1 − x2 2 1−x 2 (1 − x)2 x dx 2x + 1 1 1 ln = − − √ arctan √ 1 − x3 6 1 + x + x2 3 3 x dx 1 1 + x2 = ln 1 − x4 4 1 − x2 (see also 2.126 2) (see also 2.132 2) For m and n natural numbers. m−1 n x 2k − 1 dx 1 mπ(2k − 1) 2 ln π + x 1 − 2x cos = − cos 1 + x2n 2n 2n 2n k=1 n 2k−1 x − cos 2n π mπ(2k − 1) 1 arctan sin + n 2n sin 2k−1 2n π k=1 [m < 2n] 2. n k=1 3.11 TI (44)a 1 2k − 1 dx ln(1 + x) x mπ(2k − 1) − ln 1 − 2x cos π + x2 = (−1)m+1 cos 2n+1 1+x 2n + 1 2n + 1 2n + 1 2n + 1 k=1 n 2k−1 x − cos 2n+1 π mπ(2k − 1) 2 arctan sin + 2k−1 2n + 1 2n + 1 sin 2n+1 π m−1 [m ≤ 2n] TI (46)a n−1 kπ 1 1 kmπ xm−1 dx m+1 ln 1 − 2x cos + x2 (−1) = ln(1 + x) − ln(1 − x) − cos 2n 1−x 2n 2n n n k=1 n−1 x − cos kπ 1 kmπ n + arctan sin n n sin kπ n k=1 4. [m < 2n] TI (48) m−1 dx x 1 ln(1 − x) =− 1 − x2n+1 2n + 1 n 2k − 1 1 mπ(2k − 1) +(−1)m+1 ln 1 + 2x cos π + x2 cos 2n + 1 2n + 1 2n + 1 k=1 n 2k−1 x + cos 2n+1 π 2 mπ(2k − 1) arctan sin +(−1)m+1 2k−1 2n + 1 2n + 1 sin 2n+1 π k=1 [m ≤ 2n] 2.147 1 xm dx 1 xm dx xm dx = + 1. 1 − x2n 2 1 − xn 2 1 + xn m−2 xm−1 x dx xm dx 1 m−1 · 2. + n =− 2n − m − 1 (1 + x2 )n−1 2n − m − 1 (1 + x2 )n (1 + x2 ) TI (50) LA 139 (28) Forms containing the binomial 1 ± xn 2.149 3. 4. 5. 2.148 1. 2. 3. 4. xm−1 xm − dx = 1 + x2 m−1 77 xm−2 dx 1 + x2 m−2 xm−1 x dx 1 m−1 xm dx = − n n−1 2 2 2 2n − m − 1 (1 − x ) 2n − m − 1 (1 − x )n (1 − x ) m−1 x 1 m−1 xm−2 dx = − 2n − 2 (1 − x2 )n−1 2n − 2 (1 − x2 )n−1 m m−1 x dx x + =− 2 1−x m−1 LA 139 (33) m−2 x dx 1 − x2 dx 1 1 2n + m − 3 − n =− m − 1 xm−1 (1 + x2 )n−1 m−1 xm (1 + x2 ) dx n xm−2 (1 + x2 ) LA 139 (29) For m = 1 1 dx 1 dx LA 139 (31) n = n−1 + n−1 2 2 2n − 2 x (1 + x ) (1 + x ) x (1 + x2 ) For m = 1 and n = 1 x dx = ln √ 2 x (1 + x ) 1 + x2 1 dx dx = − − m 2 m−1 m−2 x (1 + x ) (m − 1)x x (1 + x2 ) dx x dx 1 2n − 3 = + FI II 40 n 2n − 2 (1 + x2 )n−1 2n − 2 (1 + x2 )n−1 (1 + x2 ) n−1 dx x (2n − 1)(2n − 3)(2n − 5) · · · (2n − 2k + 1) (2n − 3)!! arctan x = + n−1 n n−k 2 k 2 2n − 1 2 (n − 1)! (1 + x ) k=1 2 (n − 1)(n − 2) . . . (n − k) (1 + x ) TI (91) 2.149 1. 2. 3. dx 1 2n + m − 3 n =− n−1 + m−1 2 m−1 xm (1 − x2 ) (m − 1)x (1 − x ) dx n xm−2 (1 − x2 ) LA 139 (34) For m = 1 dx 1 dx LA 139 (36) n = n−1 + n−1 2 x (1 − x2 ) 2(n − 1) (1 − x ) x (1 − x2 ) For m = 1 and n = 1 x dx = ln √ 2 x (1 − x ) 1 − x2 x dx 1 2n − 3 dx = + LA 139 (35) n n−1 2 2 2n − 2 (1 − x ) 2n − 2 (1 − x2 )n−1 (1 − x ) n−1 1+x dx x (2n − 1)(2n − 3)(2n − 5) . . . (2n − 2k + 1) (2n − 3)!! ln + n n = n−k k 2 2n − 1 2 · (n − 1)! 1 −x (1 − x2 ) k=1 2 (n − 1)(n − 2) . . . (n − k) (1 − x ) TI (91) 78 Rational Functions 2.151 2.15 Forms containing pairs of binomials: a + bx and α + βx Notation: t = α + βx; Δ = aβ − αb z = a + bx; n+1 mΔ tm z n m − 2.151 z t dx = z n tm−1 dx (m + n + 1)b (m + n + 1)b 2.152 z bx Δ 1. dx = + 2 ln t t β β βx Δ t dx = − 2 ln z 2. z b b m m−1 tm dx t dx 1 mΔ t 2.153 = − zn (m − n + 1)b z n−1 (m − n + 1)b zn tm+1 1 (m − n + 2)β tm dx = − n−1 (n − 1)Δ z n−1 (n − 1)Δ m−1z tm 1 mβ t =− + dx (n − 1)b z n−1 (n − 1)b z n−1 1 t dx = ln 2.154 zt Δ z 1 1 (m + n − 2)b dx dx = − − 2.155 z n tm (m − 1)Δ tm−1 z n−1 (m − 1)Δ tm−1 z n 1 1 (m + n − 2)β dx = + (n − 1)Δ tm−1 z n−1 (n − 1)Δ tm z n−1 1 a α x dx = ln z − ln t 2.156 zt Δ b β 2.16 Forms containing the trinomial a + bxk + cx2k 2.160 1. 2. 3. 2.161 Reduction formulas for Rk = a + bxk + cx2k . xm Rkn+1 (m + k + nk)b (m + 2k + 2kn)c m−1 n m+k−1 n x − Rk dx = Rk dx − x xm+2k−1 Rkn dx ma ma ma bkn xm Rkn 2ckn m−1 n m+k−1 n−1 − Rk dx = Rk dx − x x xm+2k−1 Rkn−1 dx m m m xm−2k Rkn+1 (m − 2k)a (m − k + kn)b xm−1 Rkn dx = − xm−2k−1 Rkn dx − xm−k−1 Rkn dx (m + 2kn)c (m + 2kn)c (m + 2kn)c 2kna xm Rkn bkn + = xm−1 Rkn−1 dx + xm+k−1 Rkn−1 dx m + 2kn m + 2kn m + 2kn Forms containing the trinomial R2 = a + bx2 + cx4 . b 1 2 b 1 2 − b − 4ac, g = + b − 4ac, 2 2 2 2 a h = b2 − 4ac, q = 4 , l = 2a(n − 1) b2 − 4ac , c Notation: f = b cos α = − √ 2 ac Forms containing a + bx + cx2 and powers of x 2.172 1. dx R2 2 dx dx − h >0 LA 146 (5) 2 2 cx + f cx + g 2 x2 − q 2 1 α α x2 + 2qx cos α2 + q 2 h < 0 LA 146 (8)a ln arctan = + 2 cos sin α 4cq 3 sin α 2 x2 − 2qx cos 2 + q 2 2 2qx sin α2 2 x dx cx2 + f 1 h >0 LA 146 (6) ln 2 = R2 2h cx + g 2 2 2 x − q cos α 1 h <0 LA 146 (9)a arctan = 2 2 2cq sin α q sin α 2 2 f x dx g dx dx − h >0 = LA 146 (7) 2 2 R2 h cx + g h cx + f bcx3 + b2 − 2ac x b2 − 6ac dx bc x2 dx dx = + + R22 lR2 l R2 l R2 2 2 3 bcx + b − 2ac x (4n − 7)bc x dx 2(n − 1)h2 + 2ac − b2 dx dx = + + n 2 n−1 R2 lRn−1 l l R2 R2n−1 = 2. 3. 4. 5. 79 6.9 c h 1 (m + 2n − 3)b dx =− − xm R2n (m − 1)a (m − 1)axm−1 R2n−1 [n > 1] (m + 4n − 5)bc dx − xm−2 R2n (m − 1)a LA 146 dx xm−4 R2n LA 147 (12)a 2.17 Forms containing the quadratic trinomial a + bx + cx2 and powers of x Notation: R = a + bx + cx2 ; Δ = 4ac − b2 2.171 am xm Rn+1 b(m + n + 1) m+1 n m−1 n − R dx = R dx − 1. x x xm Rn dx c(m + 2n + 2) c(m + 2n + 2) c(m + 2n + 2) 2. 3. 4. TI (97) R dx R b(n − m + 1) R dx c(2n − m + 2) R dx =− + + LA 142(3), TI (96)a m+1 m x amx am xm am xm−1 dx b + 2cx (4n − 2)c dx = + TI (94)a Rn+1 nΔRn nΔ Rn n−1 n dx (2cx + b) 2k(2n + 1)(2n − 1)(2n − 3) . . . (2n − 2k + 1)ck dx n (2n − 1)!!c = + 2 n+1 k+1 n−k n R 2n + 1 n(n − 1) · · · (n − k)Δ R n!Δ R n n+1 n n k=0 2.17211 TI (96)a √ 1 −Δ − (b + 2cx) −2 b + 2cx dx √ =√ ln =√ arctanh √ R −Δ (b + 2cx) + −Δ −Δ −Δ −2 = b + 2cx b + 2cx 2 = √ arctan √ Δ Δ for [Δ < 0] for [Δ = 0, b and c non-zero] for [Δ > 0] 80 Rational Functions 2.173 2.173 dx b + 2cx 2c dx + 1. = R2 ΔR Δ R dx 1 b + 2cx 3c 6c2 dx 2. = + + R3 Δ 2R2 ΔR Δ2 R 2.174 1. 2. 2.175 1. 2. 3. 4. 5. 6. m−1 m−2 xm dx dx dx xm−1 (n − m)b (m − 1)a x x = − − + n n−1 n n R (2n − m − 1)cR (2n − m − 1)c R (2n − m − 1)c R For m = 2n − 1, this formula is inapplicable. Instead, we may use 2n−1 x dx 1 x2n−3 dx a x2n−3 dx b x2n−2 dx = − − Rn c Rn−1 c Rn c Rn 1 b x dx dx = ln R − R 2c 2c R x dx b 2a + bx dx − =− R2 ΔR Δ R x dx 2a + bx 3b(b + 2cx) 3bc dx − 2 =− − R3 2ΔR2 2Δ2 R Δ R 2 x dx x b b2 − 2ac dx = − 2 ln R + R c 2c 2c2 R 2 2 ab + b − 2ac x 2a dx x dx + = R2 cΔR Δ R 2 2 ab + b − 2ac x 2ac + b2 (b + 2cx) x dx + = + R3 2cΔR2 2cΔ2 R 7. 8. 9. 2.176 1. (see 2.172) 2.177 (see 2.172) (see 2.172) (see 2.172) (see 2.172) (see 2.172) 2ac + b2 Δ2 b b2 − 3ac x3 dx x2 bx b2 − ac dx = − 2 + ln R − 3 3 R 2c c 2c 2c R dx R (see 2.172) (see 2.172) 2 a 2ac − b + b 3ac − b x b 6ac − b2 x dx 1 dx − = 2 ln R + 2 2 2 R 2c c ΔR 2c Δ R 3 3 x dx =− R3 dx xm Rn (see 2.172) = 2 2 2 x abx 2a + + c cΔ cΔ −1 (m − 1)axm−1 Rn−1 1 x2 b dx = ln − xR 2a R 2a dx R 1 3ab − 2R2 2cΔ (see 2.172) dx (see 2.173 1) R2 dx dx b(m + n − 2) c(m + 2n − 3) − − m−1 n m−2 a(m − 1) x R a(m − 1) x Rn (see 2.172) 2.177 Quadratic trinomials and binomials 2. 3. 1 1 x2 dx + = ln 2 2 xR 2a R 2aR 2 dx 1 b 1 1 x − = + 2 + 3 ln xR3 4aR2 2a R 2a R 2a 4. 5. b − 2 2a 2ac 1+ Δ dx R (see 2.172) b b dx dx dx − 2 − 3 R3 2a R2 2a R (see 2.172, 2.173) dx b 1 b − 2ac dx x = − 2 ln − + (see 2.172) x2 R 2a R ax 2a2 R 2 b − 3ac (b + 2cx) dx a + bx 1 b4 b x2 6b2 c 6c2 − + − = − ln − + x2 R2 a3 R a2 xR a2 ΔR Δ a3 a2 a 6. 7. b(b + 2cx) 1− Δ 81 2 2 dx 1 3b =− − x2 R3 axR2 a 5c dx − xR3 a dx R (see 2.172) dx R3 (see 2.173 and 2.177 3) b 3ac − b2 ac − b2 x2 b 1 dx dx =− + 2 − ln + 3 3 2 3 x R 2a R a x 2ax 2a R 8. dx x3 R2 9. = dx = x3 R3 − 1 3b + 2 2 2ax 2a x −1 2b + 2 2ax2 a x 3b 2c − 2 a a 1 + R 1 + R2 2 2 6b 3c − a2 a (see 2.172) 9bc dx dx + xR2 2a2 R2 (see 2.173 1 and 2.177 2) 10bc dx dx + 2 xR3 a R3 (see 2.173 2 and 2.177 3) 2.18 Forms containing the quadratic trinomial a + bx + cx2 and the binomial α + βx Notation: R = a + bx + cx2 ; B = bβ − 2cα; 1. 2. z = α + βx; A = aβ 2 − αbβ + cα2 ; Δ = 4ac − b2 (m − 1)A R dx − z z m−2 Rn dx (m + 2n + 1)c n n−1 Rn dx R dx R 1 2nA = − − zm (m − 2n − 1)β z m−1 (m − 2n − 1)β 2 zm nB Rn−1 dx − ; LA 184 (4)a (m − 2n − 1)β 2 z m−1 n n n+1 R −β (m − n − 2)B R dx (m − 2n − 3)c R dx = − − LA 148 (5) m−1 (m − 1)A z (m − 1)A z m−1 (m − 1)A z m−2 Rn Rn−1 dx Rn−1 dx 1 nB 2nc =− + + LA 418 (6) m−1 2 m−1 2 (m − 1)β z (m − 1)β z (m − 1)β z m−2 (m + n)B βz m−1 Rn+1 − z R dx = (m + 2n + 1)c (m + 2n + 1)c m n m−1 n 82 Algebraic Functions 3. z m−1 β (m − n)B z m dx = − n n−1 R (m − 2n + 1)c R (m − 2n + 1)c b + 2cx z 2(m − 2n + 3)c − (n − 1)Δ Rn−1 (n − 1)Δ m = 2.201 z m−1 dx (m − 1)A − n R (m − 2n + 1)c m Bm z dx − Rn−1 (n − 1)Δ z m−2 dx Rn LA 147 (1) z m−1 dx Rn−1 LA 148 (3) 4.3 1 β (m + n − 2)B dx =− − m n m−1 n−1 z R (m − 1)A z R (m − 1)A = 1 β B − 2(n − 1)A z m−1 Rn−1 2A dx (m + 2n − 3)c − m−1 n z R (m − 1)A (m + 2n − 3)β dx + z m−1 Rn 2(n − 1)A 2 dx z m−2 Rn LA 148 (7) dx z m Rn−1 LA 148 (8) For m = 1 and n = 1 β z2 B dx dx = ln − zR 2A R 2A R For A = 0 1 β (m + 2n − 2)c dx dx =− − z m Rn (m + n − 1)B z m Rn−1 (m + n − 1)B z m−1 Rn LA 148 (9) 2.2 Algebraic Functions 2.20 Introduction r s αx + β αx + β , , . . . dx, where r, s, . . . are rational numbers, γx + δ γx + δ can be reduced to integrals of rational functions by means of the substitution αx + β = tm , FI II 57 γx + δ where m is the common denominator of the fractions r, s, . . . . p 2.202 Integrals of the form xm (a + bxn ) dx,∗ where m, n, and p are rational numbers, can be 2.201 The integrals R x, expressed in terms of elementary functions only in the following cases: (a) When p is an integer; then, this integral takes the form of a sum of the integrals shown in 2.201; (b) is an integer: by means of the substitution xn = z, this integral can be transformed m+1 1 to the form (a + bz)p z n −1 dz, which we considered in 2.201; n (c) When When m+1 n m+1 n + p is an integer; by means of the same substitution xn = z, this integral can be p m+1 a + bz 1 z n +p−1 dz, considered in 2.201; reduced to an integral of the form n z For reduction formulas for integrals of binomial differentials, see 2.110. ∗ Translator: The authors term such integrals “integrals of binomial differentials.” 2.214 Forms containing the binomial a + bxk and 2.21 Forms containing the binomial a + bxk and √ √ x x Notation: z1 = a + bx. dx bx 2 √ = √ arctan [ab > 0] 2.211 a √ z1 x ab a − bx + 2i xab 1 [ab < 0] = √ ln z1 i ab m√ m m+1 √ (−1)k ak xm−k x x dx m+1 a √ dx = 2 x + (−1) 2.212 z1 (2m − 2k + 1)bk+1 bm+1 z1 x k=0 (see 2.211) 2.213 √ √ dx x dx 2 x a √ 1. − (see 2.211) = z1 b b z1 x √ √ a x x dx x a2 dx √ − 2 2 x+ 2 (see 2.211) 2. = z1 3b b b z1 x 2√ √ x2 xa x x dx a2 a3 dx √ − 2 + 3 2 x− 3 (see 2.211) 3. = z1 5b 3b b b z1 x √ dx x 1 dx √ √ 4. = (see 2.211) + az1 2a z1 x z12 x √ √ x dx x 1 dx √ 5. (see 2.211) =− + 2 z1 bz1 2b z1 x √ √ √ x x dx x dx 2x x 3a 6. = − (see 2.213 5) z12 bz1 b z12 √ √ 2√ x2 5ax 2 x 5a2 x dx x x dx − 2 = + 2 (see 2.213 5) 7. 2 z1 3b 3b z1 b z12 √ 1 dx 3 3 dx √ √ 8. = (see 2.211) + x + 2az12 4a2 z1 8a2 z1 x z13 x √ √ x dx 1 1 1 dx √ 9. (see 2.211) = − + x + 3 2 z1 2bz1 4abz1 8ab z1 x √ √ √ x x dx x dx 2x x 3a 10. =− + (see 2.213 9) z13 bz12 b z13 √ √ 2√ x2 5ax 2 x 15a2 x dx x x dx + = − (see 2.213 9) 11. 3 2 2 2 z1 b b z1 b z13 a a 4 2 , α = 4 − . Notation: z2 = a + bx , α = b b % √ √ & + , 2 a x + α 2x + α 1 α 2x dx √ = √ ln >0 + arctan 2 2.214 √ z2 α −x b z2 x bα3 2 √ √ + , a x 1 α − x <0 = ln √ − 2 arctan 3 2bα α b α + x 83 84 Algebraic Functions 2.215 % √ √ & √ x dx x + α 2x + α2 1 α 2x 2.215 = √ − ln + arctan 2 √ z2 z2 α −x bα 2 √ √ 1 x α − x = ln √ + 2 arctan 2bα α α + x 2.216 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. √ √ 2 x a x x dx dx √ − = z2 b b z2 x √ √ √ x dx x2 x dx 2x x a − = z2 3b b z2 √ x dx 3 dx √ = √ + 2az2 4a z2 x z22 x √ √ √ x dx x dx x x 1 = + z22 2az2 4a z2 √ √ dx x x x dx 1 √ =− + z22 2bz2 4b z2 x √ √ √ x dx x2 x dx x x 3 = − + z22 2bz2 4b z2 √ 1 dx 7 21 dx √ = √ + x+ 2 3 2 2 4az2 16a z2 32a z2 x z2 x √ √ √ 1 x dx x dx 5 5 = + x + x z23 4az22 16a2 z2 32a2 z2 2 √ √ bx − 3a x x x dx dx 3 √ = + 3 z2 16abz22 32ab z2 x √ √ 2√ x dx 2x x 3a x x dx =− + z23 5bz22 5b z23 2.22–2.23 Forms containing Notation: z = a + bx. n √ n l lm+f 2.220 x z dx = k=0 k=0 2.222 1. dx 2√ √ = z b z b +a b , >0 , <0 (see 2.214) (see 2.215) (see 2.214) (see 2.215) (see 2.214) (see 2.215) (see 2.214) (see 2.215) (see 2.214) (see 2.216 8) n (a + bx)k √ l (−1)k nk z n−k ak l z l(m+1)+f ln − lk + l(m + 1) + f bn+1 The square root n √ (−1)k n z n−k ak 2 z 2m+1 √ n k 2.221 x z 2m−1 dx = 2n − 2k + 2m + 1 bn+1 +a Forms containing the binomial a + bxk and 2.225 2. 3. x dx √ = z x2 dx √ = z 1 z−a 3 √ 2 z b2 1 2 2 z − az + a2 5 3 2.223 dx 2 √ =− √ 1. b z z3 x dx 2 √ = (z + a) 2 √ 2. 3 b z z 2 x dx z2 √ − 2az − a2 3. = 3 z3 2.224 1. 2. √ x √ 2 z b3 b3 2 √ z √ z m dx z m dx zm z 2m − 2n + 3 b √ √ = − + (n − 1)axn−1 2(n − 1) a xn−1 z xn z ⎧ m ⎨ √ 1 z dx m √ = −z z n ⎩ (n − 1)axn−1 x z ⎫ (2m − 2n + 3)(2m − 2n + 5) . . . (2m − 2n + 2k + 1) bk ⎬ + 2k (n − 1)(n − 2) . . . (n − k − 1)xn−k−1 ak+1 ⎭ k=1 (2m − 2n + 3)(2m − 2n + 5) . . . (2m − 3)(2m − 1) bn−1 z m dx √ + 2n−1 (n − 1)!x an−1 x z n−2 3. 4. 5.6 2.225 1. 2. 3. For n = 1 m−1 m 2z m z z √ dx = √ +a √ dx x z (2m − 1) z x z m m z 2am−k z k dx √ dx = √ + am √ x z (2k − 1) z x z k=1 !√ √ ! ! z − a! 1 dx ! √ = √ ln ! √ √ ! x z a z + √a ! 2 z =√ arctan √ −a −a √ √ z dx dx √ =2 z+a x x z √ √ b dx z dx z √ + =− 2 x x 2 x z √ √ √ b2 dx z dx z3 b z √ − =− + x3 2ax2 4ax 8a x z [a > 0] [a < 0] (see 2.224 4) (see 2.224 4) (see 2.224 4) 85 86 2.226 1. 2. 3. Algebraic Functions √ 3 √ z z dx dx √ = + a 2 z + a2 x 3 x z √ √ 3 √ 3 z dx z5 z dx 3b + =− 2 x ax 2a x √ 3 √ 3 √ 1 z dx z dx b 3b2 5 =− + 2 z + 2 x3 2ax2 4a x 8a x 2.226 (see 2.224 4) (see 2.226 1) (see 2.226 1) 2.227 m−1 dx 2 1 dx √ √ = √ + m m m−k k a xz z (2k + 1)a z z x z (see 2.224 4) k=0 2.228 1. 2. 2.229 1. 2. 3. √ b dx z dx √ √ − = − 2 ax 2a x z x z dx √ = x3 z 1 3b − + 2 2ax2 4a x (see 2.224 4) √ 3b2 z+ 2 8a dx √ x z (see 2.224 4) dx 1 2 dx √ = √ + √ (see 2.224 4) a x z a z x z3 1 dx 3b 3b 1 dx √ √ = − − 2 √ − 2 (see 2.224 4) 2 3 ax a 2a z x z x z 1 15b2 15b2 1 5b dx dx √ √ = − √ + + + 2ax2 4a2 x 4a3 8a3 x z z x3 z 3 (see 2.224 4) Cube root 2.231 1. 2. 3. 4. √ 3 (−1)k nk z n−k ak 3 z 3(m+1)+1 3n − 3k + 3(m + 1) + 1 bn+1 k=0 n (−1)k n z n−k ak 3 xn dx k √ √ = 3 3n − 3k − 3(m − 1) − 2 bn+1 3 z 3(m−1)+2 z 3m+2 k=0 √ n √ 3 (−1)k n z n−k ak 3 z 3(m+1)+2 3 n k z 3m+2 x dx = 3n − 3k + 3(m + 1) + 2 bn+1 k=0 n (−1)k n z n−k ak xn dx 3 k √ √ = 3 3 3m+1 n+1 3n − 3k − 3(m − 1) − 1 z b z 3(m−1)+1 n √ 3 n 3m+1 z x dx = k=0 Forms containing the binomial a + bxk and 2.236 √ x 1 z n+ 3 3n − 3m + 4 b z n dx z n dx √ √ = − + 3 m−1 (m − 1)ax 3(m − 1) a xm−1 3 z 2 xm x2 For m = 1 n−1 n dx 3z n z z dx √ √ √ = + a 3 3 3 2 2 x z (3n − 2) z x z2 √ √ 3 z dx dx 33z 1 √ 6. = + 3 n (3n − 1)az a xz n xz n z 2 √ √ √ √ 3 z− 3a √ 33z 3 1 dx √ √ √ ln − 3 arctan √ 2.232 = √ 3 3 3 3 x z+23a x z2 a2 2 5. 2.233 1. 2. 3. √ 3 √ z dx dx √ =33z+a 3 x x z2 √ √ 3 b√ z dx z3z + 3z+ =− 2 x ax a √ 3 z dx 1 b = − + 2 3 2 x 2ax 3a x √ 3 4. 5. 2.234 (see 2.232) b 3 dx √ (see 2.232) 3 x z2 √ b2 √ b2 dx √ z3z− 2 3z− 3a 9a x 3 z 2 z 2b dx dx √ √ − =− 3 3 2 ax 3a z x z2 1 5b √ 5b2 dx dx 3 √ √ = − + z + 3 2ax2 6a2 x 9a2 x 3 z 2 x3 z 2 x2 (see 2.232) (see 2.232) (see 2.232) √ 3 z n dx zn z2 3n − 3m + 5 b z n dx √ √ 1. = − + 3 (m − 1)axm−1 3(m − 1) a xm−1 3 z xm z 2 For m = 1: n n−1 z dx dx 3z n z √ √ √ 2. = + a x3z (3n − 1) 3 z x3z √ √ 3 3 3 z2 z 2 dx 1 dx √ = + 3. 3 n n (3n − 2)az a xz n xz z √ √ √ √ 3 z− 3a √ 33z 1 dx 3 √ = √ √ √ ln + 3 arctan √ 2.235 3 3 3 x3z x z+23a a2 2 2.236 1. 2. √ 3 3√ z 2 dx dx 3 √ = z2 + a x 2 x3z √ √ 3 3 b√ z 2 dx z5 2b dx 3 2+ √ + = − z 2 x ax a 3 x3z (see 2.235) (see 2.235) 87 88 Algebraic Functions √ 3 3. 4. 5. z 2 dx 1 b b2 √ b2 dx 3 5/3 2− √ = − + − z z x3 2ax2 6a2 x 6a2 9a x 3 z dx √ x2 3 z dx √ 3 z x3 Notation: z = a + bx, 1. 2. 1. 11 2. 3. 4. 5. 6. 7. 8. (see 2.235) (see 2.235) √ a + bx and the binomial α + βx t = α + βx, Δ = aβ − bα. √ z m tn dx 2 (2m − 1)Δ √ tn+1 z m−1 z + = (2n + 2m + 1)β (2n + 2m + 1)β z n √ tn z m dx √ = 2 z 2m+1 k z n k=0 2.242 (see 2.235) √ 3 b z2 dx √ − =− ax 3a x 3 z 1 2b √ 2b2 dx 3 √ = − + 2 z+ 2 2 2ax 3a x 9a x3z 2.24 Forms containing 2.241 2.241 k αn−k β k (−1)p bk+1 p=0 k p z m−1 tn dx √ z z k−p ap 2k − 2p + 2m + 1 √ √ z 2 z 2α z t dx √ = +β −a b 3 b2 z √ √ √ z2 2 z 2 z 2 z 2α2 z t2 dx 2 2 √ = + 2αβ −a − za + a + β b 3 b2 5 3 b3 z √ √ √ z2 2 z 2 z 2 t3 dx 2α3 z z 2 2 2 √ = + 3α β −α − za + a + 3αβ b 3 b2 5 3 b3 z √ 3 2 z 2 z 3z a − + za2 − a3 +β α 7 5 b4 √ √ z a 2 z3 2α z 3 tz dx √ = +β − 3b 5 3 b2 z √ √ √ z2 z a 2 z3 2za a2 2 z 3 2α2 z 3 t2 z dx 2 √ + 2αβ − − + = +β 3b 5 3 b2 7 5 3 b3 z √ √ √ z2 a 2 z3 2za a2 2 z 3 t3 z dx 2α3 z 3 z 2 2 √ = + 3α β − − + + 3αβ 3b 5 3 b2 7 5 3 b3 z √ 3 2 2 3 z 3z a 3za a 2 z3 − + − +β 3 9 7 5 3 b4 √ √ z a 2 z5 2α z 5 tz 2 dx √ +β − = 5b 7 5 b2 z √ √ √ z z2 a 2 z5 2za a2 2 z 5 2α2 z 5 t2 z 2 dx 2 √ + 2αβ − − + = +β 5b 7 5 b2 9 7 5 b3 z LA 176 (1) 2.244 Forms with √ a + bx and α + βx √ √ a 2 z5 t3 z 2 dx 2α3 z 5 z 2 √ + 3α β − = + 3αβ 2 5b 7 5 b2 z √ z3 3z 2 a 3za2 a3 2 z 5 3 − + − +β 11 9 7 5 b4 √ √ 3 z a 2 z7 2α z 7 tz dx √ +β − = 7b 9 7 b2 z √ √ 2 3 z2 z a 2 z7 2α2 z 7 t z dx 2 √ + 2αβ − = + β 7b 9 7 b2 11 z √ √ 3 3 3 7 7 a 2 z t z dx 2α z z √ + 3α2 β − = + 3αβ 2 7b 9 7 b2 z √ z3 3z 2 a 3za2 a3 2 z 7 3 − + − +β 13 11 9 7 b4 9. 10. 11. 12. 2.243 1. 89 z2 2za a2 − + 9 7 5 √ 2 z5 b3 √ 2 z7 b3 √ z2 2za a2 2 z 7 − + 11 9 7 b3 2za a2 − + 9 7 tn dx tn+1 √ 2 (2n − 2m + 3)β tn dx √ √ = z − (2m − 1)Δ z m (2m − 1)Δ zm z z m−1 z tn √ tn−1 dx 2nβ 2 √ z+ =− m (2m − 1)b z (2m − 1)b z m−1 z LA 176 (2) 2. 2.244 1. 2. 3. 4. 5. 6. 7. n n 2 tn dx √ √ = 2m−1 k zm z z k=0 k an−k β k (−1)p bk+1 p=0 k p z k−p ap 2k − 2p − 2m + 1 t dx 2a 2β(z + a) √ =− √ + √ z z b z b2 z 2 t2 dx 2α2 4αβ(z + a) 2β √ =− √ + √ + z z b z b2 z z2 3 − 2za − a2 √ b3 z 2 3 2 z 2 2β 3 z5 − z 2 a + 3za2 + a3 3 − 2za − a t3 dx 2α3 6α2 β(z + a) 6αβ √ =− √ + √ √ √ + + z z b z b2 z b3 z b4 z 2β z − a3 2a t dx √ √ √ = − − z2 z 3b z 3 b2 z 3 2 2β 2 z 2 + 2az − a3 4αβ z − a3 2a2 t2 dx √ =− √ − √ √ + z2 z 3b z 3 b2 z 3 b3 z 3 2 3 6αβ 2 z 2 + 2za − a3 2β 3 z3 − 3z 2 a − 3za2 + 6α2 β z − a3 2α3 t3 dx √ =− √ − √ √ √ + + z2 z 3b z 3 b2 z 3 b3 z 3 b4 z 3 2β z3 − a5 2α t dx √ =− √ − √ z3 z 5b z 5 b2 z 5 a3 3 90 Algebraic Functions 2.245 a2 2β 2 z 2 − 2za 4αβ z3 − a5 3 + 5 2α2 t2 dx √ =− √ − √ √ − z3 z 5b z 5 b2 z 5 b3 z 5 a2 3 6αβ 2 z 2 − 2za 6α2 β z3 − a5 3 + 5 2α3 t dx √ =− √ − √ √ − z3 z 5b z 5 b2 z 5 b3 z 5 3 2β 3 z 3 + 3z 2 a − za2 + a5 √ + b4 z 5 8. 9. 2.245 1. 2. m−1 z m dx z m−1 √ dx 2 (2m − 1)Δ z √ =− √ z− (2n − 2m − 1)β tn−1 (2n− 2m − 1)β tn z tn z z m−1 z m−1 √ 1 (2m − 1)b √ dx =− z + (n − 1)β tn−1 2(n − 1)β tn−1 zm m √ z 1 (2n − 2m − 3)b z dx √ =− z− n−1 n−1 (n − 1)Δ t 2(n − 1)Δ t z ⎡ m √ 1 1 z dz √ = −z m z ⎣ n−1 n (n − 1)Δ t t z + n−1 k=2 − 3. 4. (2n − 2m − 3)(2n − 2m − 5) . . . (2n − 2m − 2k + 1)b 2k−1 (n − 1)(n − 2) . . . (n − k)Δk k=0 2.246 2.247 √ √ 1 dx β z − βΔ √ √ √ ln √ [βΔ > 0] t z βΔ β z + βΔ √ 2 β z =√ arctan √ [βΔ < 0] −βΔ −βΔ √ 2 z [Δ = 0] =− bt m dx βm 2 β k−1 z k dx √ √ = m−1 √ + + m k m Δ (2m − 2k + 1) Δ z tz z z t z k=1 (see 2.246) 2.248 1. k−1 (2n − 2m − 3)(2n − 2m − 5) . . . (−2m + 3)(−2m + 1)bn−1 2n−1 · (n − 1)!Δn For n = 1 m zm 2 Δ z m−1 dx z dx √ = √ √ + (2m − 1)β z β t z t z m m−1 Δk z m−k Δm z dx dx √ =2 √ √ + k+1 m (2m − 2k − 1)β β t z z t z LA 176 (3) 2 β dx √ = √ + Δ tz z Δ z dx √ t z (see 2.246) ⎤ 1 ⎦ tn−k z m dx √ t z 2.248 Forms with 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 2 2β β2 dx √ √ √ = + + Δ2 tz 2 z 3Δz z Δ2 z √ a + bx and α + βx dx √ t z 2 2β 2β 2 β3 dx √ + 3√ + 3 √ = √ + 3 2 2 Δ tz z 5Δz z 3Δ z z Δ z √ b z dx √ =− − Δt 2Δ z t2 91 (see 2.246) dx √ t z (see 2.246) dx √ t z dx 1 3b 3bβ √ = − √ − 2√ − 2Δ2 t2 z z Δt z Δ z (see 2.246) dx √ t z 1 5b 5bβ 5bβ 2 dx √ √ √ √ = − − − − 2Δ3 t2 z 2 z Δtz 2 z 3Δ2 z z Δ3 z (see 2.246) dx √ t z (see 2.246) dx 1 7b 7bβ 7bβ 7bβ 3 dx √ − 4√ − √ √ =− √ − √ − 2Δ4 t z t2 z 3 z Δtz 2 z 5Δ2 z 2 z 3Δ3 z z Δ z 2 √ √ dx 3b2 z 3b z dx √ √ + = − + 2Δt2 4Δ2 t 8Δ2 t z t3 z dx 1 5b 15b2 15b2 β √ √ √ √ = − + + + 8Δ3 t3 z z 2Δt2 z 4Δ2 t z 4Δ3 z (see 2.246) (see 2.246) dx √ t z (see 2.246) √ 2 dx 1 7b z 35b 35b2 β 35b2 β 2 dx √ + √ + √ + √ √ =− √ + 4 3 2 2 2 2 4 8Δ t z z 2Δt z z 4Δ tz z 12Δ z z 4Δ z t z (see 2.246) dx 1 9b 63b2 21b2 β 63b2 β 2 63b2 β 3 √ √ √ √ √ √ = − + + + + + 8Δ5 t3 z 3 z 2Δt2 z 2 z 4Δ2 tz 2 z 20Δ3 z 2 z 4Δ4 z z 4Δ5 z (see 2.246) √ Δ 2 z z dx dx √ = √ + (see 2.246) β β t z t z √ √ 2Δ z z 2 dx 2z z Δ2 dx √ = √ + (see 2.246) + 2 2 3β β β t z t z √ √ √ 2Δz z 2z 2 z z 3 dx 2Δ2 z Δ3 dx √ = √ + (see 2.246) + + 5β 3β 2 β3 β3 t z t z √ √ z dx b z b z z dx √ √ =− + + (see 2.246) 2 Δt βΔ 2β t z t z √ √ √ bz z 3b z z2 z z 2 dx 3bΔ dx √ √ + + = − (see 2.246) + Δt βΔ β2 2β 2 t z t2 z dx √ t z 92 Algebraic Functions 17. 18.3 19. 20. 2.249 √ √ √ √ bz 2 z 5bz z z3 z 5bΔ z 5Δ2 b z 3 dx dx √ √ =− + + + + 2 3 3 2 Δt βΔ 3β β 2β t z t z z dx √ t3 z z 2 dx √ t3 z (see 2.246) √ √ 2 2 b z z z bz z b dx √ − =− (see 2.246) + + 2Δt2 4Δ2 t 4βΔ2 8βΔ t z √ √ √ √ b2 z z 3b2 z2 z bz 2 z 3b2 z dx √ + + =− + + 2 2 2 2 2 2Δt 4Δ t 4βΔ 4β Δ 8β t z √ (see 2.246) √ √ √ √ √ 3 2 2 2 z dx 3b z z 15b2 z z z 3bz z 5b z z 15b2 Δ dx √ √ + + = − + + + 2 2 2 2 3 3 3 2Δt Δ t 4βΔ 4β Δ 4β 8β t z t z 3 3 (see 2.246) 2.249 1. 2. √ z 2 (2n + 2m − 3)β dx dx √ = √ + m n z m−1 z (2m − 1)Δ tn−1 z (2m − 1)Δ z m tn z t √ z 1 (2n + 2m − 3)b dx √ =− − m n−1 n−1 (n − 1)Δ z t 2(n − 1)Δ t zm z ⎡ √ 1 z ⎣ −1 dx √ = m n−1 m n z (n − 1)Δ t z t z LA 177 (4) ⎤ k−1 (2n + 2m − 3)(2n + 2m − 5) . . . (2n + 2m − 2k + 1)b 1 + (−1)k · n−k ⎦ 2k−1 (n − 1)(n − 2) . . . (n − k)Δk t k=2 n−1 (2n + 2m − 3)(2n + 2m − 5) . . . (−2m + 3)(−2m + 1)b dx √ +(−1)n−1 n−1 n−1 m 2 (n − 1)!Δ tz z n−1 For n = 1 1 2 β dx dx √ √ √ = + m m−1 m−1 (2m − 1)Δ z Δ tz z t z z z 2.25 Forms containing √ a + bx + cx2 Integration techniques 2.251 It is possible to rationalize the integrand in integrals of the form R x, a + bx + cx2 dx by using one or more of the following three substitutions, known as the “Euler substitutions”: √ √ a + bx + cx2 = xt ± a for a > 0; 1. √ √ a + bx + cx2 = t ± x c for c > 0; 2. c (x − x1 ) (x − x2 ) = t (x − x1 ) when x1 and x2 are real roots of the equation a + bx + cx2 = 0. 3. 2.252 Forms containing √ a + bx + cx2 93 2.252 Besides the Euler substitutions, there is also the following method of calculating integrals of the form R x, a + bx + cx2 dx. By removing the irrational expressions in the denominator and performing simple algebraic operations, we can reduce the integrand to the sum of some rational function P (x) √ 1 , where P 1 (x) and P 2 (x) are both polynomials. of x and an expression of the form P 2 (x) a + bx + cx2 P 1 (x) By separating the integral portion of the rational function from the remainder and decomposing P 2 (x) the latter into partial fractions, we can reduce the integral of these partial fractions to the sum of integrals, each of which is in one of the following three forms: P (x) dx √ , where P (x) is a polynomial of some degree r; 1. a + bx + cx2 dx √ 2. ; k (x + p) a + bx + cx2 (M x + N ) dx a b , a1 = , b 1 = 3. . m 2 2 c c (a + βx + x ) c (a1 + b1 x + x ) In more detail: P (x) dx dx √ 1. = Q(x) a + bx + cx2 + λ √ , where Q(x) is a polynomial of 2 a + bx + cx a + bx + cx2 degree (r − 1). Its coefficients, and also the number λ, can be calculated by the method of undetermined coefficients from the identity 2. 3. 1 P (x) = Q (x) a + bx + cx2 + Q(x)(b + 2cx) + λ LI II 77 2 P (x) dx Integrals of the form √ (where r ≤ 3) can also be calculated by use of formulas a + bx + cx2 2.26. P (x) dx √ , where the degree n of the polynomial P (x) is Integrals of the form k (x + p) a + bx + cx2 1 lower than k can, by means of the substitution t = , be reduced to an integral of the form x + p P (t) dt . (See also 2.281). a + βt + γt2 (M x + N ) dx can be calculated by the following Integrals of the form m (α + βx + x2 ) c (a1 + b1 x + x2 ) procedure: • If b1 = β, by using the substitution x= < 2 t − 1 (a1 − α) − (αb1 − a1 β) (β − b1 ) a1 − α + βb1 t+1 β − b1 94 Algebraic Functions 2.260 P (t) dt , where P (t) m + p) c (t2 + q) P (t) dt is a polynomial of degree no higher than 2m − 1. The integral can be 2 + p)m (t t2 + q t dt dt reduced to the sum of integrals of the forms and . k k 2 2 2 (t + p) t +q (t + p) t2 + q P (t) dt • If b1 = β, we can reduce it to integrals of the form by means of the m 2 c (t2 + q) (t + p) b1 substitution t = x + . 2 t dt can be evaluated by means of the substitution t2 + q = The integral k 2 (t + p) c (t2 + q) u2 . t dt = can be evaluated by means of the substitution The integral k 2 2 2 t +q (t + p) c (t + q) υ (see also 2.283). FI II 78-82 we can reduce this integral to an integral of the form 2.26 Forms containing (t2 √ a + bx + cx2 and integral powers of x Notation: R = a + bx + cx2 , Δ = 4ac − b2 For simplified formulas for the case b = 0, see 2.27. 2.260 √ √ √ (2m + 2n + 1)b xm−1 R2n+3 m 2n+1 1. x − R dx = xm−1 R2n+1 dx (m + 2n + 2)c 2(m + 2n + 2)c √ (m − 1)a − xm−2 R2n+1 dx (m + 2n + 2)c 2. 3. 2cx + b √ 2n+1 2n + 1 Δ √ 2n−1 R R R2n+1 dx = + dx 4(n + 1)c 8(n + 1) c √ √ n−1 (2n + 1)(2n − 1) . . . (2n − 2k + 1) R (2cx + b) Rn + R2n+1 dx = 4(n + 1)c 8k+1 n(n − 1) . . . (n − k) k=0 n+1 Δ (2n + 1)!! dx √ + n+1 8 (n + 1)! c R TI (192)a √ TI (188) Δ c k+1 R n−k−1 TI (190) 2.26111 For n = −1 √ 1 dx 2 cR + 2cx + b √ = √ ln √ c R Δ 2cx + b 1 √ = √ arcsinh c Δ 1 = √ ln(2cx + b) c 2cx + b −1 = √ arcsin √ −c −Δ [c > 0] TI (127) [c > 0, Δ > 0] DW [c > 0, Δ = 0] DW [c < 0, Δ < 0] TI (128) 2.263 2.262 1. 2. 3. Forms containing √ Δ dx (2cx + b) R √ + R dx = 4c 8c R √ √ 3 (2cx + b)b √ R bΔ x R dx = − R− 3c 8c2 16c2 √ x 5b2 5b √ 3 x2 R dx = − R + − 4c 24c2 16c2 √ 4. 5. 6. 7. 8. 1. 95 (see 2.261) dx √ R a 4c (see 2.261) √ (2cx + b) R + 4c 5b2 a − 16c2 4c Δ 8c dx √ R (see 2.261) √ x3 R dx = √ 2.263 √ a + bx + cx2 and xn 2 2 x 7bx 7b 2a − + − 5c 40c2 48c3 15c2 7b3 3ab Δ dx √ − − 2 3 32c 8c 8c R R3 dx = R 3Δ + 8c 64c2 R3 √ 3Δ2 (2cx + b) R + 128c2 √ √ R5 − (2cx + b) x R3 dx = 5c √ x2 R3 dx = √ 7b3 3ab − 2 32c3 8c − √ (2cx + b) R 4c (see 2.261) dx √ R (see 2.261) b √ 3 3Δb √ 3Δ2 b dx √ R + R − 16c2 128c3 256c3 R x 7b2 7b √ 5 a − R + − 2 2 6c 60c 24c 6c Δ2 7b2 dx √ −a + 4c 256c3 R (see 2.261) √ R3 3Δ √ b + R 2x + c 8 64c (see 2.261) √ x3 R3 dx = x2 3bx 3b2 2a √ 5 − + − R 2 3 7c 28c 40c 35c2 √ 3b3 3Δ √ R3 ab b + − − 2 R 2x + 16c3 4c c 8 64c 3Δ2 b 3b2 dx √ −a − 4c 512c4 R (see 2.261) xm dx xm−1 (2m − 2n − 1)b √ √ = − 2n+1 2n−1 2(m − 2n)c R (m − 2n)c R (m − 1)a xm−1 dx √ − 2n+1 (m − 2n)c R xm−2 dx √ R2n+1 TI (193)a 2. For m = 2n x2n dx x2n−1 b 1 x2n−1 x2n−2 √ √ √ √ =− − dx + dx 2c c R2n+1 (2n − 1)c R2n−1 R2n+1 R2n−1 TI (194)a 96 Algebraic Functions dx √ R2n+1 3. 4. dx √ R2n+1 2.264 dx 2(2cx + b) 8(n − 1)c √ √ = + 2n−1 (2n − 1)Δ (2n − 1)Δ R R2n−1 n−1 ck k 8k (n − 1)(n − 2) . . . (n − k) 2(2cx + b) √ 1+ = R (2n − 3)(2n − 5) . . . (2n − 2k − 1) Δk (2n − 1)Δ R2n−1 k=1 [n ≥ 1] . 2.264 1. 3. 4. 5. 6. 7. 8. TI (191) (see 2.261) √ x dx b R dx √ = √ (see 2.261) − c 2c R R 2 x 3b2 x dx 3b √ a dx √ √ = (see 2.261) − 2 R+ − 2 2c 4c 8c 2c R R 3 x2 5b3 5bx x dx 5b2 2a √ 3ab dx √ √ = − + 3− 2 R− − 2 2 3 3c 12c 8c 3c 16c 4c R R 2. dx √ R TI (189) (see 2.261) dx 2(2cx + b) √ √ = 3 Δ R R x dx 2(2a + bx) √ √ =− 3 Δ R R 2 Δ − b2 x − 2ab 1 x dx dx √ √ √ + (see 2.261) =− 3 c cΔ R R R 3 cΔx2 + b 10ac − 3b2 x + a 8ac − 3b2 3b x dx dx √ √ − 2 √ = 2c c2 Δ R R R3 √ 2n+1 R 2.265 xm (see 2.261) √ √ 2n+1 R2n+3 R (2n − 2m + 5)b dx = − + dx (m − 1)axm−1 √ 2(m − 1)a xm−1 R2n+1 (2n − m + 4)c dx + (m − 1)a xm−2 TI (195) For√m = 1 √ √ 2n−1 R2n+1 R2n+1 b √ 2n−1 R dx = + dx R dx + a x 2n + 1 2 x For<a = 0 < < 2n+1 2n+3 2n+1 (bx + cx2 ) (bx + cx2 ) 2 (bx + cx2 ) 2(m − 2n − 3)c dx = + xm (2n − 2m + 3)bxm (2n − 2m + 3)b xm−1 For m = 0 see 2.260 2 and 2.260 3. For n = −1 and m = 1: TI (198) LA 169 (3) 2.267 Forms containing 8 2.266 √ dx 2a + bx + 2 aR 1 √ = − √ ln x a x R 1 2a + bx =√ arcsin √ −a x b2 − 4ac 1 2a + bx =√ arctan √ √ −a 2 −a R 2a + bx 1 = − √ arcsinh √ a x Δ 2a + bx 1 = − √ arctanh √ √ a 2 a R x 1 = √ ln a√ 2a + bx 2 bx + cx2 =− bx 2a + bx 1 √ √ arccosh = a x −Δ √ a + bx + cx2 and xn [a > 0] [a < 0, TI (137) Δ < 0] TI (138) [a < 0] [a > 0, 97 LA 178 (6)a Δ > 0] DW [a > 0] [a > 0, Δ = 0] [a = 0, b = 0] LA 170 (16) [a > 0, Δ < 0] 2.267 √ b dx R dx √ dx √ + √ (see 2.261 and 2.266) = R+a 1. x x R 2 R √ √ dx b R dx R dx √ √ 2. + c (see 2.261 and 2.266) + = − 2 x x 2 x R R For a = 0 √ √ dx bx + cx2 2 bx + cx2 √ + c dx = − (see 2.261) 2 x x bx + cx2 √ √ 1 b2 c R dx b dx √ − 3. =− + R− x3 2x2 4ax 8a 2 x R (see 2.266) 4. 5. For a = 0 < 3 √ 2 2 (bx + cx2 ) bx + cx dx = − x3 3bx3 √ √ b 12ac − b2 2bcx + b2 + 8ac √ R3 R3 dx dx 2 √ + √ dx = + R+a x 3 8c 16c x R R (see 2.261 and 2.266) √ √ 3 √ 3 4ac + b2 R5 R cx + b √ 3 3 dx dx 3 √ + √ + dx = − R + (2cx + 3b) R + ab 2 x ax a 4 2 8 x R R (see 2.261 and 2.266) For a = 0 < 3 (bx + cx2 ) x2 < = 3 (bx + cx2 ) 2x + 3b 3b2 bx + cx2 + 4 8 dx √ bx + cx2 (see 2.261) 98 6. Algebraic Functions 2.268 √ 3 R dx = − x3 √ 1 b bcx + 2ac + b2 √ 3 3 bcx + 2ac + b2 √ 5 + 2 R + R + R 2 2ax2 4ax 4a 4a 3 dx dx 3 √ + bc √ + 4ac + b2 8 x R 2 R (see 2.261 and 2.266) For a = 0 < 3 (bx + cx2 ) x3 c− dx = 2b x dx 3bc √ bx + cx2 + 2 bx + cx2 (see 2.261) 2.268 xm dx 1 √ √ =− 2n+1 m−1 2n−1 R (m − 1)ax R (2n + 2m − 3)b (2n + m − 2)c dx dx √ √ − − 2(m − 1)a (m − 1)a xm−1 R2n+1 xm−2 R2n+1 TI (196) For m = 1 For a = 0 2.269 1. 3. √ dx R2n+1 + 1 a dx √ x R2n−1 dx 2 < < =− 2n+1 2n−1 xm (bx + cx2 ) (2n + 2m − 1)bxm (bx + cx2 ) dx (4n + 2m − 2)c < − (2n + 2m − 1)b 2n+1 xm−1 (bx + cx2 ) (cf. 2.265) dx √ x R √ dx R √ =− − 2 ax x R For a = 0 2 dx √ = 2 2 3 x bx + cx 1 dx √ = − 2ax2 x3 R 2. dx 1 b √ √ = − 2n+1 2n−1 2a x R (2n − 1)a R (see 2.266) b 2a dx √ x R (see 2.266) 2c 1 + bx + cx2 bx2 b2 x √ 3b2 3b c + 2 R+ − 4a x 8a2 2a − dx √ x R (see 2.266) 4. For a = 0 2 4c 8c2 dx 1 √ = − 3+ 2 2− 3 5 bx 3b x 3b x x3 bx + cx2 2 2 bcx − 2ac + b 1 dx dx √ √ √ + =− 3 a x R aΔ R x R For a = 0 bx + cx2 (see 2.266) TI (199) 2.271 Forms containing 5.11 2 dx < = 3 3 x (bx + cx2 ) − 3b A dx √ = −√ − 2 2 3 R 2a x R 4c 8c2 x 1 + 2 + 3 bx b b dx √ x R where A = 6. √ 2.27 Forms containing 1 √ bx + cx2 b 10ac − 3b2 c 8ac − 3b2 x 1 − − − ax a2 Δ a2 Δ − 64c3 8c 16c2 128c4 x 1 + + − + bx3 5b2 x2 5b3 x 5b4 5b5 2. 3. 4. (see 2.266) √ 1 bx + cx2 √ a + cx2 and integral powers of x √ Notation: u = a + cx2 . √ 1 I1 = √ ln x c + u c 1 c = √ arcsin x − a −c √ u− a 1 √ I2 = √ ln 2 a √ u+ a a−u 1 = √ ln √ 2 a a + u 1 1 c a 1 =√ − arcsec x − = √ arccos a x c −a −a 1. 99 For a = 0 1 dx 8c2 2 2c 16c3 x 1 < √ = − 2+ 2 − 3 − 4 5 bx b x b b 3 bx + cx2 x2 (bx + cx2 ) dx √ 3 x R3 bc 15b2 − 52ac x 15b2 − 12ac 15b4 − 62acb2 + 24a2 c2 1 1 5b dx √ + √ − = − 2+ 2 − 3 3 3 ax 2a x 2a Δ 2a Δ 8a 2 R x R (see 2.266) For a = 0 2 dx < = 7 3 x3 (bx + cx2 ) 2.271 a + cx2 and xn [c > 0] [c < 0 and a > 0] [a > 0 and c > 0] [a > 0 and c > 0] [a < 0 and c > 0] 1 5 5 5 5 xu + axu3 + a2 xu + a3 I1 6 24 16 16 3 1 3 u3 dx = xu3 + axu + a2 I1 4 8 8 1 1 u dx = xu + aI1 2 2 dx = I1 u u5 dx = DW DW DW DW 100 Algebraic Functions 5. 6. dx u2n+1 7. 2.272 dx 1x = u3 au = k=0 x2 u3 dx = x2 u dx = 2. 3. 4. 5. 6. 7. 4. 5. 6. 1 axu3 1 a2 xu 1 a3 1 xu5 − − − I1 6 c 24 c 16 c 16 c DW DW 1 x2 x dx = − + I1 u3 cu c DW x2 1 x3 dx = u5 3 au3 DW n−2 x2 dx 1 (−1)k = u2n+1 an−1 2k + 3 k=0 n−2 k ck x2k+3 u2k+3 3 x dx 1 a =− + u2n+1 (2n − 3)c2 u2n−3 (2n − 1)c2 u2n−1 x4 u dx = 3. DW DW ck x2k+1 u2k+1 1 xu 1 a x2 dx = − I1 u 2 c 2c x4 u3 dx = 2. n−1 k 1 axu 1 a2 1 xu3 − − I1 4 c 8 c 8 c 1. 7. n−1 1 (−1)k an 2k + 1 1 x dx =− 2n+1 u (2n − 1)cu2n−1 2.273 DW 1. 2.272 axu5 1 x3 u5 a2 xu3 3a3 xu 3a4 − + + + I1 8 c 16c2 64c2 128c2 128c2 axu3 1 x3 u3 a2 xu a3 − + + I1 2 2 6 c 8c 16c 16c2 DW DW DW 1 x3 u 3 axu 3 a2 x4 dx = − + I1 u 4 c 8 c2 8 c2 DW 3 a x4 1 xu ax dx = + 2 − I1 3 2 u 2c c u 2 c2 DW 1 x3 x4 x 1 dx = − 2 − + 2 I1 5 u c u 3 cu3 c DW x4 1 x5 dx = u7 5 au5 DW n−3 x4 dx 1 (−1)k = u2n+1 an−2 2k + 5 k=0 n−3 k ck x2k+5 u2k+5 2.275 Forms containing 8. 2.274 x6 u3 dx = x6 u dx = 2. 3. 4. 5. 6. 7. 8. 9. 2.275 1. 2. 3. 4. 5. 6. 7. 8. a + cx2 and xn 1 2a a2 x5 dx = − + − u2n+1 (2n − 5)c3 u2n−5 (2n − 3)cu2n−3 (2n − 1)c3 u2n−1 1. √ 101 DW ax3 u5 1 x5 u5 a2 xu5 a3 xu3 3a4 xu 3 a5 − + − − − I1 2 3 3 3 10 c 16c 32c 128c 256c 256 c3 5 ax3 u3 1 x5 u3 5a2 xu3 5a3 xu 5 a4 − + − − I1 8 c 48 c2 64c3 128c3 128 c3 1 x5 u 5 ax3 u x6 5 a2 xu 5 a3 dx = − + − I1 u 6 c 24 c2 16 c3 16 c3 DW 5 ax3 15 a2 x 15 a2 x6 1 x5 − − + dx = I1 3 2 u 4 cu 8 c u 8 c3 u 8 c3 DW x6 1 x5 10 ax3 5 a2 x 5 a dx = + + − I1 u5 2 cu3 3 c2 u3 2 c3 u3 2 c3 DW x6 23 x5 7 ax3 a2 x 1 dx = − − − + 3 I1 7 5 2 5 3 5 u 15 cu 3c u c u c DW x6 1 x7 dx = 9 u 7 au7 DW n−4 x6 dx 1 (−1)k = u2n+1 an−3 2k + 7 k=0 n−4 k ck x2k+7 u2k+7 7 x dx 1 3a 3a2 a3 = − + − + u2n+1 (2n − 7)c4 u2n−7 (2n − 5)c4 u2n−5 (2n − 3)c4 u2n−3 (2n − 1)c4 u2n−1 DW u5 1 u5 dx = + au3 + a2 u + a3 I2 x 5 3 DW u3 u3 dx = + au + a2 I2 x 3 u dx = u + aI2 x dx = I2 xu n−1 1 dx 1 = I + 2 2n+1 n xu a (2k + 1)an−k u2k+1 k=0 5 5 15 u u5 15 dx = − + cxu3 + acxu + a2 I1 2 x x 4 8 8 3 3 u 3 3 u dx = − + cxu + aI1 x2 x 2 2 u u dx = − + cI1 x2 x DW DW DW DW DW DW 102 Algebraic Functions 9. 2.276 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 2.277 1. 2. 3. 4. dx 1 = − n+1 x2 u2n+1 a u (−1)k+1 + x 2k − 1 n k=1 n k x c k u 2.276 2k−1 5 u5 u5 5 5 dx = − 2 + cu3 + acu + a2 cI2 3 x 2x 6 2 2 DW u3 3 u3 3 dx = − 2 + cu + acI2 3 x 2x 2 2 u c u dx = − 2 + I2 x3 2x 2 dx u c =− − I2 x3 u 2ax2 2a 3c 3c dx 1 − − =− I2 x3 u3 2ax2 u 2a2 u 2a2 5 c dx 1 5 c 5 c − =− − − I2 x3 u5 2ax2 u3 6 a2 u 3 2 a3 u 2 a3 DW DW DW DW DW u5 au3 2acu c2 xu 5 + + acI1 dx = − − x4 3x3 x 2 2 DW u3 u3 cu + cI1 dx = − 3 − 4 x 3x x DW u u3 dx = − x4 3ax3 dx 1 = n+2 x4 u2n+1 a DW − cu (−1)k u3 + + (n + 1) 3x3 x 2k − 3 n+1 k=2 n+1 k ck x u 2k−3 u3 u3 3 cu3 3 c2 u 3 2 + c I2 dx = − 4 − + 5 2 x 4x 8 ax 8 a 8 DW u u 1 cu 1 c2 I2 dx = − − − x5 4x4 8 ax2 8 a DW u dx 3 cu 3 c2 = − + + I2 x5 u 4ax4 8 a2 x2 8 a2 DW 5 c 15 c2 15 c2 dx 1 + + + =− I2 5 3 4 2 2 3 x u 4ax u 8 a x u 8 a u 8 a3 DW 2.278 1. 2. u3 u5 dx = − x6 5ax5 DW u u3 2 cu3 dx = − + 6 5 x 5ax 15 a2 x3 DW 2.284 Forms containing 3. 4. 2 cu3 c2 u u5 + − 5x5 3 x3 x 1 1 n+2 u5 = n+3 − 5 + a 5x 3 1 1 dx = 3 6 x u a dx x6 u2n+1 √ a + bx + cx2 and polynomials 103 − 2.28 Forms containing DW cu3 − x3 n+2 2 c2 u (−1)k + x 2k − 5 n+2 k=3 See also 2.252 tn−1 dt dx 3 √ =− 2.281 (x + p)n R c + (b − 2pc)t + (a − bp + cp2 ) t2 t= 1. 3 3. 4. 5. [x + p > 0] 1 1 dx dx dx √ = √ + √ q − p p − q (x + p)(x + q) R (x + p) R (x + q) R √ √ √ 1 1 R dx R dx R dx = + (x + p)(x + q) q−p x+p p−q x+q √ √ √ R dx (x + p) R dx = R dx + (p − q) x+q x+q (rx + s) dx s − pr s − qr dx dx √ = √ + √ q − p p − q (x + p)(x + q) R (x + p) R (x + q) R 2.283 1 >0 x+p √ dx x dx dx R dx √ = c √ + (b − cp) √ + a − bp + cp2 x+p R R (x + p) R 2. (Ax + B) dx A √ = n c (p + R) R c k x u 2k−5 √ a + bx + cx2 and first- and second-degree polynomials Notation: R = a + bx + cx2 2.282 n+2 k 2Bc − Ab du n + 2c (p + u2 ) n−1 dυ 1 − cυ 2 n , 2 b − cpυ 2 p+a− 4c √ b + 2cx √ . where u = R and υ = 2c R 2Bc − Ab A Ax + B √ dx = I1 + I2 , 2.284 c (p + R) R c2 p [b2 − 4(a + p)c] where . R 1 [p > 0] I1 = √ arctan p p √ √ 1 −p − R √ = √ [p < 0] ln √ 2 −p −p + R 104 Algebraic Functions b + 2cx p √ b2 − 4(a + p)c R b + 2cx p √ = − arctan b2 − 4(a + p)c R √ √ 4(a + p)c − b2 R + p(b + 2cx) 1 √ ln = √ 2i 4(a + p)c − b2 R − p(b + 2cx) √ √ b2 − 4(a + p)c R − −p(b + 2cx) 1 √ ln = √ 2i b2 − 4(a + p)c R + −p(b + 2cx) I2 = arctan 2.290 2 p b − 4(a + p)c > 0, p<0 2 p b − 4(a + p)c > 0, p>0 2 p b − 4(a + p)c < 0, p>0 2 p b − 4(a + p)c < 0, p<0 2.29 Integrals that can be reduced to elliptic or pseudo-elliptic integrals 2.290 Integrals of the form R x, P (x) dx, where P (x) is a third- or fourth-degree polynomial, can, by means of algebraic transformations, be reduced to a sum of integrals expressed in terms of elementary functions and elliptic integrals (see 8.11). Since the substitutions that transform the given integral into an elliptic integral in the normal Legendre form are different for different intervals of integration, the corresponding formulas are given in the chapter on definite integrals (see 3.13, 3.17). " 2.291 Certain integrals of the form R x, P (x) dx, where Pn (x) is a polynomial of not more than " fourth degree, can be reduced to integrals of the form R x, k Pn (x) dx with k ≥2. Below are examples of this procedure. dz dx 1 √ =− √ x2 = 1. 1 + z2 1 − x6 3 + 3z 2 + z 4 dz dx 1 √ √ 2. = 2 4 6 2 2 a + bx + cx + dx az + bz + cz 3 + dz 4 2 x =z 1 ±1/3 3 z 2 A± 3 dz dx = 3. a + 2bx + cx2 + gx3 2 B ⎤ ⎡ 3 2 + (z 3 − a) c b −b + ⎣a + 2bx + cx2 = z 3 , A = g + z 3 , B = b2 + (z 3 − a) c⎦ c dx √ 4. 6 a + bx + cx2 + dx3 + cx4 + bx5 + ax + , dx dz 1 1 −√ x = z + z2 − 1 = −√ 2 2 (z + 1)p (z − 1)p + , d 1 dz 1 +√ x = z − z2 − 1 = −√ 2 2 (z + 1)p (z − 1)p where p = 2a 4z 3 − 3z + 2b 2z 2 − 1 + 2cz + d. 2.292 Integrals reducible to elliptic integrals 105 dy √ [x = y] √ 2 3 4 y a + by + cy + by + ay , + 1 dz dz 1 =− √ + √ y = z + z2 − 1 2 2 (z + 1)p 2 2 (z − 1)p + , dz dz 1 1 = √ − √ y = z − z2 − 1 2 2 (z + 1)p 2 2 (z − 1)p where p = 2a 2z 2 − 1 + 2bz + c. a√ dx 18 a dt 8 √ √√ 6. = t ; x = 2 c c t ab t2 + at4 a + bx4 + cx8 1 + , dz a dz 1 − t = z + z2 − 1 =− √ 8 2 2 c (z + 1)p (z − 1)p + , 1 8 a dz dz =− √ + t = z − z2 − 1 2 2 c (z + 1)p (z − 1)p 2 where p = 2a 2z − 1 + b1 ; b1 = b ac . x dx z 2 dz √ √ 7. a + bx2 + cx4 = z 4 , A = b2 − 4ac, B = 4c = 2 4 a + bx2 + cx4 A + Bz 4 4 2 R2 z 4 z 2 dz b2 − a (c − z 4 ) + b dx 2 √ 8. z dz = R1 z z dz + , = 4 a + 2bx2 + cx4 (c − z 4 ) b2 − a (c − z 4 ) b2 − a (c − z 4 ) where R1 z 4 and R2 z 4 are rational functions of z 4 and a + 2bx2 + cx4 = x4 z 4 . " 2.292 In certain cases, integrals of the form R x, P (x) dx, where P (x) is a third- or fourth-degree polynomial, can be expressed in terms of elementary functions. Such integrals are called pseudo-elliptic integrals. Thus, if the relations 5. dx 1 √ = 2 4 6 8 2 a + bx + cx + bx + ax f1 (x) = f1 1 k2 x , f2 (x) = f2 1 − k2 x k 2 (1 − x) hold, then f1 (x) dx = R1 (z) dz 1. x(1 − x) (1 − k 2 x) f2 (x) dx 2. = R2 (z) dz x(1 − x) (1 − k 2 x) f3 (x) dx 3. = R3 (z) dz x(1 − x) (1 − k 2 x) where R1 (z), R2 (z), and R3 (z) are rational functions of z. f3 (x) = f3 , 1−x 1 − k2 x , + , z = x(1 − x) (1 − k 2 x) % & x (1 − k 2 x) √ z= 1−x % & x(1 − x) z= √ 1 − k2 x 106 The Exponential Function 2.311 2.3 The Exponential Function 2.31 Forms containing eax eax a 2.312 ax in the integrands should be replaced with ex ln a = ax 2.313 dx 1 [mx − ln (a + bemx )] 1. = a + bemx am dx ex 2. = ln = x − ln (1 + ex ) x 1+e 1 + ex dx a 1 mx 2.314 [ab > 0] √ arctan e = aemx + be−mx b m ab √ ! ! ! b + emx −ab ! 1 ! [ab < 0] √ √ = ln !! 2m −ab b − emx −ab ! √ √ dx a + bemx − a 1 √ 2.315 = √ ln √ [a > 0] √ mx mx m a a + be a + be √ + a 2 a + bemx √ = √ arctan [a < 0] m −a −a eax dx = 2.311 PE (410) PE (409) PE (411) 2.32 The exponential combined with rational functions of x 2.321 n xn eax − xn−1 eax dx 1. xn eax dx = a a n (−1)k k! n n ax ax n−k k 11 x x e dx = e 2. ak+1 k=0 2.322 xeax dx = eax 1. 2. x2 eax dx = eax x2 2x 2 − 2 + 3 a a a x3 eax dx = eax x3 3x2 6x 6 − 2 + 3 − 4 a a a a x4 eax dx = eax x4 4x3 12x2 24x 24 − 2 + 3 − 4 + 5 a a a a a 3. 4.10 2.323 x 1 − a a2 P m (x)e ax m P (k) (x) eax dx = (−1)k , a ak k=0 where P m (x) is a polynomial in x of degree m and P (k) (x) is the k th derivative of P m (x) with respect to x. 2.325 2.324 Exponentials and rational functions of x 107 ax 1 e dx eax dx eax = + a − xm m−1 xm−1 xm−1 ak−1 eax an−1 ax Ei(ax) dx = −e + xn (n − 1)(n − 2) . . . (n − k)xn−k (n − 1)! 1. 2. n−1 k=1 2.325 eax dx = Ei(ax) x ax e eax + a Ei(ax) dx = − 2 x x ax e a2 eax aeax + Ei(ax) dx = − − x3 2x2 2x 2 ax a3 eax aeax a2 eax e + Ei(ax) dx = − − − x4 3x3 6x2 6x 6 ±axn ±axn ±axn 1 e e e dx = dx − m−1 ± na xm m−1 x xm−n axn (−1)z+1 az Γ (−z, −axn ) e dx = m x n (−1)z+1 az ∞ e−t = dt z+1 n −axn t 1. 2. 3. 4.∗ 5.∗ 6.∗ z= [m = 1] m−1 , n 8.∗ 9.∗ 10. ∗ 11. ∗ 12.∗ [n = 0] n Ei (axn ) eax dx = x n #z−1 az−k−1 axn az Ei (axn ) e k=0 k! xn(k+1) axn + dx = −e xm nz! nz! a = 0, 7.∗ for Γ(α, x) see 8.350.2 n n n n n eax aeax a2 Ei (axn ) eax dx = − − + xm 2nx2n 2nxn 2n n 2 n = 0] m−1 = 1, 2, . . . , n a = 0, z= m = 2, 3, . . . m−1 =1 n m−1 =2 z= n n eax eax a2 eax a3 Ei (axn ) eax dx = − − − + xm 3nx3n 6nx2n 6nxn 6n √ √ eax eax + aπ erfi ax dx = − 2 x x z= a = 0, n eax a Ei (axn ) eax dx = − n + m x nx n n [a = 0, a = 0, z= m−1 =3 n 2 where erfi(z) = erf(iz) i 108 13. The Exponential Function ∗ 2 1 e(ax +2bx+c) dx = 2 2.326 2.33 1. 8 2.∗ 3.∗ 4.∗ 5.∗ ∗ e 7. 8.∗ 9. ∗ 10.∗ 11.∗ ac − b2 a π exp a xe dx e = 2 (1 + ax)2 a (1 + ax) −(ax2 +2bx+c) 2 1 dx = 2 [a = 0] b2 − ac a π exp a 1 2 n eax dx = na m axn eax dx = n n n n xm eax dx = eax n n m axn x e (γ − 1)! γ−1 (−1)k+1−γ k=0 eax dx = n n [a = 0] where erfi(z) = erf(iz) i [a = 0] n xnk k!aγ−k xn 1 − 2 a a x2n 2xn 2 − 2 + 3 a a a x3n 3x2n 6xn 6 − 2 + 3 − 4 a a a a Γ (γ, βxn ) γ nβ ∞ 1 tγ−1 e−t dx =− γ nβ βxn xm e−βx dx = − erf(iz) i xm−n e±ax dx n m axn x e eax n % where erfi(z) = √ b ax + √ a erfi m+1−n xm+1−n ∓ na na n x e √ b ax + √ a [a = 0] n xm eax dx = erf xm e±ax dx = ± √ b ax + √ a ax √ π erfi ax a ac − b2 1 π ax2 +bx+c exp dx = e 2 a a erfi [a = 0] ax eax dx = 6. ∗ 2.326 & [a = 0, n = 0] a = 0, γ= a = 0, γ= a = 0, γ= a = 0, γ= a = 0, γ= m+1 = 1, 2, . . . n m+1 =1 n m+1 =2 n m+1 =3 n m+1 =4 n for Γ(α, x) see 8.350.2 m+1 , β = 0, γ= n & %γ−1 xnk (γ − 1)! exp (−βxn ) xm exp (−βxn ) dx = − n k!β γ−k k=0 m+1 = 1, 2, . . . γ= n n=0 2.33 12. Exponentials and rational functions of x ∗ 13.∗ 14. ∗ 15.∗ 16. ∗ 17.∗ exp (−βxn ) x exp (−βx ) dx = − nβ m n exp (−βxn ) n xn 1 + 2 β β xm exp (−βxn ) dx = − exp (−βxn ) n x2n 2xn 2 + 2 + 3 β β β m+1 =3 γ= n xm exp (−βxn ) dx = − exp (−βxn ) n x3n 3x2n 6xn 6 + 2 + 3 + 4 β β β β m+1 =4 γ= n e m+1 =1 γ= n m+1 =2 γ= n xm exp (−βxn ) dx = − −βxn 1 dx = 2 π erf βx β [β = 0] β z Γ (−z, βxn ) exp (−βxn ) dx = − xm n β z ∞ e−t =− dt n βxn tz+a z= 18. ∗ 19. ∗ 20.∗ 21.∗ 22.∗ 23.∗ 109 m−1 n Ei (−βxn ) exp (−βxn ) dx = x n n z−k−1 z exp (−βxn ) z exp (−βx ) k! β z β Ei (−βxn ) dx = (−1) (−1) + (−1) n(k+1) xm nz! nz! x k=0 m−1 = 1, 2, . . . , m = 2, 3, . . . z= n n n n exp (−βx ) β Ei (−βx ) exp (−βx ) m−1 =1 dx = − − z= xm nxn n n exp (−βxn ) β exp (−βxn ) β 2 Ei (−βxn ) exp (−βxn ) dx = − + + m x 2nx2n 2nxn 2n m−1 =2 z= n exp (−βxn ) β exp (−βxn ) β 2 exp (−βxn ) β 3 Ei (−βxn ) exp (−βxn ) dx = − + − − xm 3nx3n 6nx2n 6nxn 6n m−1 =3 z= n exp −βx2 exp −βx2 − βπ erf dx = − βx 2 x x z−1 110 Hyperbolic Functions 2.411 2.4 Hyperbolic Functions 2.41–2.43 Powers of sinh x, cosh x, tanh x, and coth x sinhp+1 x coshq−1 x q − 1 + sinh x cosh x dx = sinhp x coshq−2 x dx p+q p+q sinhp−1 x coshq+1 x p − 1 = − sinhp−2 x coshq x dx p+q p+q sinhp−1 x coshq+1 x p − 1 = − sinhp−2 x coshq+2 x dx q+1 q+1 sinhp+1 x coshq−1 x q − 1 = − sinhp+2 x coshq−2 x dx p+1 p+1 sinhp+1 x coshq+1 x p + q + 2 = − sinhp+2 x coshq x dx p+1 p+1 sinhp+1 x coshq+1 x p + q + 2 =− + sinhp x coshq+2 x dx q+1 q+1 p 2.411 2.412 1. q ⎡ p+1 x sinh ⎣ cosh2n−1 x sinhp x cosh2n x dx = 2n + p k=0 sinh2m+1 x dx = 3. m 1 22m (−1)k k=0 m n = (−1) k=0 4. ⎤ (2n − 1)(2n − 3) . . . (2n − 2k + 1) cosh2n−2k−1 x⎦ (2n + p − 2)(2n + p − 4) . . . (2n + p − 2k) k=1 (2n − 1)!! + sinhp x dx (2n + p)(2n + p − 2) . . . (p + 2) This formula is applicable for arbitrary real p, except for the following negative even integers: −2, −4, . . . , −2n. If p is a natural number and n = 0, we have m−1 2m x 2m sinh(2m − 2k)x 1 + (−1)k TI (543) sinh2m x dx = (−1)m m 22m k 22m−1 2m − 2k + 2. n−1 sinhp x cosh2n+1 x dx (−1)k 2m + 1 k m k cosh(2m − 2k + 1)x ; 2m − 2k + 1 cosh2k+1 x 2k + 1 TI (544) GU (351) (5) n sinhp+1 x 2k n(n − 1) . . . (n − k + 1) cosh2n−2k x 2n = cosh x + 2n + p + 1 (2n + p − 1)(2n + p − 3) . . . (2n + p − 2k + 1) k=1 This formula is applicable for arbitrary real p, except for the following negative odd integers: −1, −3, . . . , −(2n + 1). 2.414 Powers of hyperbolic functions 2.413 1. 111 ⎡ p+1 x cosh ⎣ sinh2n−1 x coshp x sinh2n x dx = 2n + p ⎤ 2n−2k−1 (2n − 1)(2n − 3) . . . (2n − 2k + 1) sinh x ⎦ + (−1)k (2n + p − 2)(2n + p − 4) . . . (2n + p − 2k) k=1 (2n − 1)!! n +(−1) coshp x dx (2n + p)(2n + p − 2) . . . (p + 2) This formula is applicable for arbitrary real p, except for the following negative even integers: −2, −4, . . . , −2n. If p is a natural number and n = 0, we have m−1 2m sinh(2m − 2k)x 2m x 1 2m + TI (541) cosh x dx = m 22m k 22m−1 2m − 2k n−1 2. k=0 3. 4. m 1 2m + 1 sinh(2m − 2k + 1)x k 22m 2m − 2k + 1 k=0 m 2k+1 m sinh x = k 2k + 1 k=0 ⎡ p+1 x cosh ⎣ sinh2n x coshp x sinh2n+1 x dx = 2n + p + 1 cosh2m+1 x dx = + n k=1 TI (542) GU (351) (8) ⎤ 2n−2k k 2 n(n − 1) . . . (n − k + 1) sinh x ⎦ (−1)k (2n + p − 1)(2n + p − 3) . . . (2n + p − 2k + 1) This formula is applicable for arbitrary real p, except for the following negative odd integers: −1, −3, . . . , −(2n + 1). 2.414 1. 2. 3. 4. 5. 6. 1 cosh ax a x 1 sinh2 ax dx = sinh 2ax − 4a 2 1 1 3 cosh 3x = cosh3 x − cosh x sinh3 x dx = − cosh x + 4 12 3 1 1 3 3 1 3 sinh4 x dx = x − sinh 2x + sinh 4x = x − sinh x cosh x + sinh3 x cosh x 8 4 32 8 8 4 5 1 5 sinh5 x dx = cosh x − cosh 3x + cosh 5x 8 48 80 4 1 4 = cosh x + sinh4 x cosh x − cosh3 x 5 5 15 15 3 1 5 sinh6 x dx = − x + sinh 2x − sinh 4x + sinh 6x 16 64 64 192 5 1 5 5 = − x + sinh5 x cosh x − sinh3 x cosh x + sinh x cosh x 16 6 24 16 sinh ax dx = 112 Hyperbolic Functions 2.415 7. 8. 9. 10. 11. 12. sinh7 x dx = − 35 64 cosh x + 7 64 cosh 3x − 7 320 = − 24 35 cosh x + 8 35 cosh3 x − 6 35 1 448 cosh 7x cosh x sinh4 x + 1 7 cosh x sinh6 x 1 sinh ax a 1 x cosh2 ax dx = + sinh 2ax 2 4a 1 cosh3 x dx = 34 sinh x + 12 sinh 3x = sinh x + 13 sinh3 x 1 cosh4 x dx = 38 x + 14 sinh 2x + 32 sinh 4x = 38 x + 38 sinh x cosh x + 5 1 cosh5 x dx = 58 sinh x + 48 sinh 3x + 80 sinh 5x cosh ax dx = = 13. 4 5 sinh x + + 15 64 sinh 2x + = 5 16 x + 5 16 sinh x cosh x + 4 15 sinh 4x + sinh x + 7 64 sinh 3x + 7 320 = 24 35 sinh x + 8 35 sinh3 x + 6 35 1 192 sinh 5x + 1 448 cosh(a + b)x cosh(a − b)x + 2(a + b) 2(a − b) sinh ax cosh ax dx = 1 cosh 2ax 4a sinh2 x cosh x dx = 1 3 sinh3 x sinh3 x cosh x dx = 1 4 sinh4 x sinh4 x cosh x dx = 1 5 sinh5 x sinh x cosh2 x dx = 1 3 cosh3 x sinh x cosh5 x sinh 7x sinh x cosh4 x + sinh ax cosh bx dx = 1 6 1 7 sinh x cosh6 x 5. 6. 7. 8. 9. 1 x + sinh 4x 8 32 sinh3 x cosh2 x dx = 15 sinh2 x − 23 cosh3 x 1 1 1 x sinh4 x cosh2 x dx = − sinh 2x − sinh 4x + sinh 6x 16 64 64 192 sinh2 x cosh2 x dx = − sinh x cosh3 x sinh 6x 4. 1 4 sinh3 x sinh x cosh3 x + 5 24 35 64 3. 3 64 cosh7 x dx = 2. cosh4 x sinh x + 5 16 x 1. 1 5 cosh6 x dx = 14. 2.415 cosh 5x + 2.416 Powers of hyperbolic functions 113 sinh x cosh3 x dx = 10. cosh4 x 1 4 sinh2 x cosh3 x dx = 11. 1 5 cosh2 x + 23 sinh3 x 3 sinh3 x cosh3 x dx = − 64 cosh 2x + 12. 1 192 4 cosh 6x = 1 48 cosh3 2x − 1 16 cosh 2x cosh6 x cosh4 x sinh6 x sinh x + = − 6 4 6 4 sinh4 x cosh3 x dx = 17 sinh3 x cosh4 x − 35 cosh2 x − 25 = 17 cosh2 x + 25 sinh5 x sinh x cosh4 x dx = 15 cosh5 x 1 1 1 x sinh2 x cosh4 x dx = − − sinh 2x + sinh 4x + sinh 6x 16 64 64 192 sinh3 x cosh4 x dx = 17 cosh3 x sinh4 x + 35 sinh2 x − 25 = 17 sinh2 x − 25 cosh5 x 1 1 3x sinh4 x cosh4 x dx = − sinh 4x + sinh 8x 128 128 1024 = 13. 14. 15. 16. 17. 2.416 1.10 ⎡ p p+1 x⎣ sinh x sinh sech2n−1 x dx = 2n − 1 cosh2n x ⎤ (2n − p − 2)(2n − p − 4) . . . (2n − p − 2k) sec h2n−2k−1 x⎦ + (2n − 3)(2n − 5) . . . (2n − 2k − 1) k=1 (2n − p − 2)(2n − p − 4) . . . (−p + 2)(−p) + sinhp x dx (2n − 1)!! " This formula is applicable for arbitrary real p. For sinhp x dx, where p is a natural number, see 2.412 2 and 2.412 3. For n = 0 and p a negative integer, we have for this integral: ⎡ cosh x ⎣ dx = − cosech2m−1 x sinh2m x 2m − 1 ⎤ m−1 k (m − 1)(m − 2) . . . (m − k) 2 + cosec h2m−2k−1 x⎦ (−1)k−1 · (2m − 3)(2m − 5) . . . (2m − 2k − 1) n−1 2. k=1 3. ⎡ cosh x ⎣ − cosech2m x = 2m sinh2m+1 x dx + ⎤ (2m − 1)(2m − 3) . . . (2m − 2k + 1) cosec h2m−2k x⎦ (−1)k−1 · 2k (m − 1)(m − 2) . . . (m − k) m−1 k=1 +(−1)m (2m − 1)!! x ln tanh (2m)!! 2 114 Hyperbolic Functions 2.417 1. 2.417 ⎡ sinhp x sinhp+1 x ⎣ sech2n x dx = 2n cosh2n+1 x ⎤ (2n − p − 1)(2n − p − 3) . . . (2n − p − 2k + 1) sec h2n−2k x⎦ + 2k (n − 1)(n − 2) . . . (n − k) k=1 (2n − p − 1)(2n − p − 3) . . . (3 − p)(1 − p) sinhp x dx + 2n n! cosh x This formula is applicable for arbitrary real p. For n = 0 and p integral, we have m sinh2m+1 x (−1)m+k dx = sinh2k x + (−1)m ln cosh x cosh x 2k k=1 m (−1)m+k m cosh2k x + (−1)m ln cosh x [m ≥ 1] = 2k k n−1 2. 3. k=1 2m sinh x dx = cosh x 2.418 1. dx (−1)k cosech2m−2k+2 x + (−1)m ln tanh x = 2m − 2k + 2 x cosh x k=1 2m+1 (−1)k cosech2m−2k+2 x dx + (−1)m arctan sinh x = 2m 2m − 2k + 1 sinh x cosh x k=1 m ⎡ coshp x coshp+1 x ⎣ cosech2n−1 x dx = − 2n − 1 sinh2n x ⎤ (−1)k (2n − p − 2)(2n − p − 4) . . . (2n − p − 2k) + cosec h2n−2k−1 x⎦ (2n − 3)(2n − 5) . . . (2n − 2k − 1) k=1 (−1)n (2n − p − 2)(2n − p − 4) . . . (−p + 2)(−p) + coshp x dx (2n − 1)!! " This formula is applicable for arbitrary real p. For the integral coshp x dx, where p is a natural number, see 2.413 2 and 2.413 3. If p is a negative integer, we have for this integral: m−1 2k (m − 1)(m − 2) . . . (m − k) dx sinh x 2m−1 2m−2k−1 sech sech x+ x = 2m − 1 (2m − 3)(2m − 5) . . . (2m − 2k − 1) cosh2m x k=1 m−1 (2m − 1)(2m − 3) . . . (2m − 2k + 1) dx sinh x sech2m x + sech2m−2k x = 2m 2k (m − 1)(m − 2) . . . (m − k) cosh2m+1 x k=1 (2m − 1)!! arctan sinh x + (2m)!! n−1 2. 3. sinh2k−1 x + (−1)m arctan (sinh x) m sinh 5. k=1 2k − 1 [m ≥ 1] 4. m (−1)m+k 2.423 2.419 Powers of hyperbolic functions 1. 115 ⎡ coshp x coshp+1 x ⎣ cosech2n x dx = − 2n sinh2n+1 x ⎤ (−1)k (2n − p − 1)(2n − p − 3) . . . (2n − p − 2k + 1) cosec h2n−2k x⎦ + 2k (n − 1)(n − 2) . . . (n − k) k=1 (−1)n (2n − p − 1)(2n − p − 3) . . . (3 − p)(1 − p) coshp x dx + 2n n! sinh x This formula is applicable for arbitrary real p. For n = 0 and p an integer m x cosh2k−1 x cosh2m x dx = + ln tanh sinh x 2k − 1 2 k=1 m cosh2m+1 x cosh2k x dx = + ln sinh x sinh x 2k k=1 m m sinh2k x = + ln sinh x k 2k n−1 2. 3. 4. 5. 2.421 k=1 sech2m−2k+1 x x dx + ln tanh = 2m 2 sinh x cosh x k=1 2m − 2k + 1 m sech2m−2k+2 x dx = + ln tanh x sinh x cosh2m+1 x k=1 2m − 2k + 2 m In formulas 2.421 1 and 2.421 2, s = 1 for m odd and m < 2n + 1; in all other cases, s = 0. GI (351)(11, 13) 1.10 2. n n sinh2n+1 x dx = (−1)n+k m k cosh x k=0 k= m−1 2 n cosh2n+1 x dx = sinhm x k=0 k= m−1 2 2.422 1. sinh 2. 2m n k m−1 cosh2k−m+1 x + s(−1)n+ 2 2k − m + 1 sinh2k−m+1 x +s 2k − m + 1 m+n−1 (−1)k+1 dx = 2n 2m − 2k − 1 x cosh x k=0 m+n (−1)k+1 dx = 2m − 2k sinh2m+1 x cosh2n+1 x k=0 n m−1 2 m+n−1 k m+n k n m−1 2 ln cosh x ln sinh x tanh2k−2m+1 x tanh2k−2m x + (−1)m m+n m ln tanh x k=m GI (351)(15) 2.423 1. x 1 cosh x − 1 dx = ln tanh = ln sinh x 2 2 cosh x + 1 116 Hyperbolic Functions 2. 3. 4. 5. 6. 7. 8. 9. dx = − coth x sinh2 x cosh x 1 x dx =− − ln tanh 3 2 2 2 sinh x 2 sinh x 1 dx cosh x 2 =− + coth x = − coth3 x + coth x 4 3 3 3 sinh x 3 sinh x x dx cosh x 3 cosh x 3 =− + + ln tanh 5 4 2 8 8 2 sinh x 4 sinh x sinh x dx 4 cosh x 4 coth3 x − coth x =− + 6 5 15 5 sinh x 5 sinh x 1 2 = − coth5 x + coth3 x − coth x 5 3 dx 1 x cosh x 5 15 5 ln tanh =− − + − 8 16 2 sinh7 x 6 sinh2 x sinh4 x 4 sinh2 x 3 1 dx = coth x − coth3 x + coth5 x − coth7 x 8 5 7 sinh x dx = arctan (sinh x) cosh x = arcsin (tanh x) = 2 arctan (ex ) = gd x 10. 11. 12. 13. 14. 15. 16. 17. dx = tanh x cosh2 x sinh x 1 dx = + arctan (sinh x) cosh3 x 2 cosh2 x 2 dx sinh x 2 = + tanh x cosh4 x 3 cosh3 x 3 1 = − tanh3 x + tanh x 3 dx sinh x 3 sinh x 3 = + + arctan (sinh x) 5 4 2 cosh x 4 cosh x 8 cosh x 8 dx 4 sinh x 4 tanh3 x + tanh x = − 6 5 5 cosh x 5 cosh x 15 1 2 = tanh5 x − tanh3 x + tanh x 5 3 1 dx sinh x 5 15 5 arctan (sinh x) = + + + 8 16 cosh7 x 6 cosh2 x cosh4 x 4 cosh2 x dx 3 1 = − tanh7 x + tanh5 x − tanh3 x + tanh x 8 7 5 cosh x sinh x dx = ln cosh x cosh x 2.423 2.423 Powers of hyperbolic functions 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. sinh2 x dx = sinh x − arctan (sinh x) cosh x sinh3 x 1 dx = sinh2 x − ln cosh x cosh x 2 1 = cosh2 x − ln cosh x 2 1 sinh4 x dx = sinh3 x − sinh x + arctan (sinh x) cosh x 3 sinh x 1 dx = − cosh x cosh2 x sinh2 x dx = x − tanh x cosh2 x sinh3 x 1 dx = cosh x + cosh x cosh2 x 1 sinh4 x 3 dx = − x + sinh 2x + tanh x 2 2 4 cosh x sinh x 1 dx = − cosh3 x 2 cosh2 x 1 = tanh2 x 2 2 sinh x sinh x 1 dx = − + arctan (sinh x) 3 2 cosh x 2 cosh x 2 3 sinh x 1 dx = − tanh2 x + ln cosh x 3 2 cosh x 1 = + ln cosh x 2 cosh2 x sinh x 3 sinh4 x dx = + sinh x − arctan (sinh x) 2 cosh x 2 cosh3 x sinh x 1 dx = − cosh4 x 3 cosh3 x 1 sinh2 x dx = tanh3 x 4 3 cosh x 3 sinh x 1 1 + dx = − 4 cosh x cosh x 3 cosh3 x 4 sinh x 1 dx = − tanh3 x − tanh x + x 3 cosh4 x cosh x dx = ln sinh x sinh x cosh2 x x dx = cosh x + ln tanh sinh x 2 117 118 Hyperbolic Functions 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 1 cosh3 x dx = cosh2 x + ln sinh x sinh x 2 cosh4 x 1 x dx = cosh3 x + cosh x + ln tanh sinh x 3 2 cosh x 1 dx = − 2 sinh x sinh x 2 cosh x dx = x − coth x sinh2 x 1 cosh3 x dx = sinh x − 2 sinh x sinh x 1 cosh4 x 3 dx = x + sinh 2x − coth x 2 4 sinh2 x cosh x 1 dx = − sinh3 x 2 sinh2 x 1 = − coth2 x 2 2 cosh x x cosh x dx = − + ln tanh 2 sinh3 x 2 sinh2 x 3 cosh x 1 dx = − + ln sinh x 3 sinh x 2 sinh2 x 1 = − coth2 x + ln sinh x 2 4 x cosh x cosh x 3 dx = − + cosh x + ln tanh 3 2 2 2 sinh x 2 sinh x 1 cosh x dx = − sinh4 x 3 sinh3 x cosh2 x 1 dx = − coth3 x 3 sinh4 x 3 cosh x 1 1 dx = − − 4 sinh x 3 sinh3 x sinh x cosh4 x 1 dx = − coth3 x − coth x + x 3 sinh4 x dx = ln tanh x sinh x cosh x x dx 1 + ln tanh = 2 cosh x 2 sinh x cosh x dx 1 = + ln tanh x 3 sinh x cosh x 2 cosh2 x 1 = − tanh2 x + ln tanh x 2 2.423 2.424 Powers of hyperbolic functions 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64. 2.424 1. 2. 1 dx 1 x + = + ln tanh 4 3 cosh x 2 sinh x cosh x 3 cosh x dx 1 − arctan sinh x =− sinh x sinh2 x cosh x dx = −2 coth 2x sinh2 x cosh2 x sinh x 1 3 dx =− − − arctan sinh x sinh2 x cosh3 x 2 cosh2 x sinh x 2 dx 1 8 = − coth 2x sinh2 x cosh4 x 3 sinh x cosh3 x 3 dx 1 =− − ln tanh x sinh3 x cosh x 2 sinh2 x 1 = − coth2 x + ln coth x 2 dx cosh x x 1 3 − =− − ln tanh 3 2 2 cosh x 2 2 sinh x cosh x 2 sinh x dx 2 cosh 2x =− − 2 ln tanh x 3 3 sinh x cosh x sinh2 2x 1 1 = tanh2 x − coth2 x − 2 ln tanh x 2 2 dx 1 x 2 cosh x 5 − =− − − ln tanh 3 4 2 2 cosh x 3 cosh x 2 sinh x 2 2 sinh x cosh x 1 dx 1 − = + arctan sinh x sinh x 3 sinh3 x sinh4 x cosh x 1 8 dx =− + coth 2x 4 2 3 sinh x cosh x 3 cosh x sinh x 3 1 dx 2 sinh x 5 − = + + arctan sinh x 4 3 3 2 sinh x 3 sinh x 2 cosh x 2 sinh x cosh x dx 8 = 8 coth 2x − coth3 2x 4 4 3 sinh x cosh x tanhp−1 x + tanhp−2 x dx [p = 1] p−1 n 1 (−1)k−1 n + ln cosh x tanh2n+1 x dx = 2k k cosh2k x k=1 n tanh2n−2k+2 x =− + ln cosh x 2n − 2k + 2 tanhp x dx = − k=1 3. 4. 119 n tanh2n−2k+1 x +x 2n − 2k + 1 k=1 cothp−1 x + cothp−2 x dx cothp x dx = − p−1 tanh2n x dx = − GU (351)(12) [p = 1] 120 Hyperbolic Functions 2.425 n 1 1 n + ln sinh x 2n k sinh2k x k=1 n coth2n−2k+2 x =− + ln sinh x 2n − 2k + 2 coth2n+1 x dx = − 5. k=1 coth2n x dx = − 6. n k=1 coth2n−2k+1 x +x 2n − 2k + 1 GU (351)(14) For formulas containing powers of tanh x and coth x equal to n = 1, 2, 3, 4, see 2.423 17, 2.423 22, 2.423 27, 2.423 32, 2.423 33, 2.423 38, 2.423 43, 2.423 48. Powers of hyperbolic functions and hyperbolic functions of linear functions of the argument 2.425 1. sinh(ax + b) sinh(cx + d) dx = 2. sinh(ax + b) cosh(cx + d) dx = 3. 4. 5. 6. 2.426 1. cosh(ax + b) cosh(cx + d) dx = 1 sinh[(a + c)x + b + d] 2(a + c) 1 − sinh[(a − c)x + b − d] 2(a − c) 2 a = c2 GU (352)(2a) 1 cosh[(a + c)x + b + d] 2(a + c) 1 + cosh[(a − c)x + b − d] 2(a − c) 2 a = c2 GU (352)(2c) 1 sinh[(a + c)x + b + d] 2(a + c) 1 + sinh[(a − c)x + b − d] 2(a − c) 2 a = c2 GU (352)(2b) When a = c: 1 x sinh(2ax + b + d) sinh(ax + b) sinh(ax + d) dx = − cosh(b − d) + 2 4a 1 x cosh(2ax + b + d) sinh(ax + b) cosh(ax + d) dx = sinh(b − d) + 2 4a 1 x sinh(2ax + b + d) cosh(ax + b) cosh(ax + d) dx = cosh(b − d) + 2 4a sinh ax sinh bx sinh cx dx = GU (352)(3a) GU (352)(3c) GU (352)(3b) cosh(a + b + c)x cosh(−a + b + c)x − 4(a + b + c) 4(−a + b + c) cosh(a − b + c)x cosh(a + b − c)x − − 4(a − b + c) 4(a + b − c) GU (352)(4a) 2.428 Powers of hyperbolic functions 2. sinh ax sinh bx cosh cx dx = sinh ax cosh bx cosh cx dx = cosh(a + b + c)x cosh(−a + b + c)x − 4(a + b + c) 4(−a + b + c) cosh(a − b + c)x cosh(a + b − c)x + + 4(a − b + c) 4(a + b − c) GU (352)(4c) 4. sinh(a + b + c)x sinh(−a + b + c)x − 4(a + b + c) 4(−a + b + c) sinh(a − b + c)x sinh(a + b − c)x − + 4(a − b + c) 4(a + b − c) GU (352)(4b) 3. 121 cosh ax cosh bx cosh cx dx = sinh(a + b + c)x sinh(−a + b + c)x + 4(a + b + c) 4(−a + b + c) sinh(a − b + c)x sinh(a + b − c)x + + 4(a − b + c) 4(a + b − c) GU (352)(4d) 2.427 1 sinh x sinh ax dx = p+a p 1. sinhp x sinh(2n + 1)x dx = 2. sinhp x sinh 2nx dx = 3. p−1 x cosh(a − 1)x dx sinh px cosh ax − p sinh Γ(p + 1) Γ ⎡p+3 2 +n n−1 Γ p+1 + n − 2k 2 sinhp−2k x cosh(2n − 2k + 1)x ×⎣ 22k+1 Γ (p − 2k + 1) k=0 ⎤ p−1 Γ 2 + n − 2k − 2k+2 sinhp−2k−1 x sinh(2n − 2k)x⎦ 2 Γ(p − 2k) Γ p+3 2 −n + 2n sinhp−2n x sinh x dx 2 Γ(p + 1 − 2n) [p is not a negative integer] Γ(p + 1) p Γ 2 +⎡n + 1 n−1 Γ p2 + n − 2k ⎣ sinhp−2k x cosh(2n − 2k)x × 22k+1 Γ(p − 2k + 1) k=0 ⎤ Γ p2 + n − 2k − 1 − sinhp−2k−1 x sinh(2n − 2k − 1)x⎦ 22k+2 Γ(p − 2k) [p is not a negative integer] 2.428 1. 1 sinh x cosh ax dx = p+a p p−1 x sinh(a − 1)x dx sinh x sinh ax − p sinh p GU (352)(5)a 122 Hyperbolic Functions sinhp x cosh(2n + 1)x dx = 2. Γ(p + 1) Γ ⎧p+3 2 +n ⎡ ⎨ n−1 Γ p+1 + n − 2k 2 ⎣ sinhp−2k x sinh(2n − 2k + 1)x × ⎩ 22k+1 Γ(p − 2k + 1) k=0 ⎤ p−1 Γ 2 + n − 2k − 2k+2 sinhp−2k−1 x cosh(2n − 2k)x⎦ 2 Γ(p − 2k) ⎫ ⎬ Γ p+3 − n 2 sinhp−2n x cosh x dx + 2n ⎭ 2 Γ(p + 1 − 2n) [p is not a negative integer] sinhp x cosh 2nx dx = 3. 2.429 Γ(p + 1) p Γ ⎧2 + n⎡+ 1 ⎨n−1 Γ p2 + n − 2k ⎣ sinhp−2k x sinh(2n − 2k)x × ⎩ 22k+1 Γ(p − 2k + 1) k=0 ⎤ Γ p2 + n − 2k − 1 − sinhp−2k−1 x cosh(2n − 2k − 1)x⎦ 22k+2 Γ(p − 2k) ⎫ p ⎬ Γ −n+1 + 2n 2 sinhp−2n x dx ⎭ 2 Γ(p + 1 − 2n) [p is not a negative integer] 2.429 coshp x sinh ax dx = 1. 2. 1 p+a GU (352)(6)a coshp x cosh ax + p coshp−1 x sinh(a − 1)x dx ⎡ p+1 n−1 Γ(p + 1) ⎣ Γ 2 + n − k cosh x sinh(2n + 1)x dx = p+3 coshp−k x cosh(2n − k + 1)x 2k+1 Γ(p − k + 1) Γ 2 +n k=0 ⎤ p+3 Γ 2 + n coshp−n x sinh(n + 1)x dx⎦ 2 Γ(p − n + 1) p [p is not a negative integer] p n−1 Γ(p + 1) ⎣ Γ 2 + n − k p coshp−k x cosh(2n − k)x cosh x sinh 2nx dx = 2k+1 Γ(p − k + 1) Γ p2 + n + 1 k=0 ⎤ p Γ 2 +1 + n coshp−n x sinh nx dx⎦ 2 Γ(p − n + 1) ⎡ 3. [p is not a negative integer] GU (352)(7)a 2.433 2.431 Powers of hyperbolic functions coshp x cosh ax dx = 1. coshp x cosh(2n + 1)x dx = 2. 3. coshp x sinh ax + p coshp−1 x cosh(a − 1)x dx 1 p+a ⎡ p+1 n−1 Γ(p + 1) ⎣ Γ 2 + n − k p+3 coshp−k x sinh(2n − k + 1)x 2k+1 Γ(p − k + 1) Γ 2 +n k=0 ⎤ p+3 Γ 2 + n coshp−n x cosh(n + 1)x dx⎦ 2 Γ(p − n + 1) [p is not a negative integer] n−1 Γ(p + 1) ⎣ Γ 2 + n − k p coshp−k x sinh(2n − k)x cosh x cosh 2nx dx = p 2k+1 Γ(p − k + 1) Γ 2 +n+1 k=0 ⎤ p Γ 2 +1 coshp−n x cosh nx dx⎦ + n 2 Γ(p − n + 1) ⎡ p [p is not a negative integer] 2.432 1. 2. 3. 4. 2.433 123 GU (352)(8)a 1 sinhn x sinh nx n 1 sinh(n + 1)x coshn−1 x dx = coshn x cosh nx n 1 cosh(n + 1)x sinhn−1 x dx = sinhn x cosh nx n 1 cosh(n + 1)x coshn−1 x dx = coshn x sinh nx n sinh(n + 1)x sinhn−1 x dx = 1. sinh(2n − 2k)x sinh(2n + 1)x dx = 2 +x sinh x 2n − 2k n−1 k=0 2. 3. sinh 2nx dx = 2 sinh x n−1 k=0 sinh(2n − 2k − 1)x 2n − 2k − 1 GU (352)(5d) cosh(2n − 2k)x cosh(2n + 1)x dx = 2 + ln sinh x sinh x 2n − 2k n−1 k=0 4. 5. cosh 2nx dx = 2 sinh x n−1 k=0 x cosh(2n − 2k − 1)x + ln tanh 2n − 2k − 1 2 cosh(2n − 2k)x sinh(2n + 1)x dx = 2 + (−1)n ln cosh x (−1)k cosh x 2n − 2k n−1 k=0 GU (352)(6d) 124 Hyperbolic Functions 6. sinh 2nx cosh(2n − 2k − 1)x dx = 2 (−1)k cosh x 2n − 2k − 1 2.433 n−1 GU (352)(7d) k=0 7. sinh(2n − 2k)x cosh(2n + 1)x dx = 2 + (−1)n x (−1)k cosh x 2n − 2k n−1 k=0 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. cosh 2nx dx = 2 cosh x n−1 (−1)k k=0 sinh(2n − 2k − 1)x + (−1)n arcsin (tanh x) 2n − 2k − 1 2 sinh 2x dx = − sinhn x (n − 2) sinhn−2 x For n = 2: sinh 2x dx = 2 ln sinh x sinh2 x sinh 2x dx 2 = coshn x (2 − n) coshn−2 x For n = 2: sinh 2x dx = 2 ln cosh x cosh2 x cosh 2x x dx = 2 cosh x + ln tanh sinh x 2 cosh 2x dx = − coth x + 2x sinh2 x x cosh x 3 cosh 2x dx = − + ln tanh 2 sinh3 x 2 sinh2 x 2 cosh 2x dx = 2 sinh x − arcsin (tanh x) cosh x cosh 2x dx = − tanh x + 2x cosh2 x sinh x 3 cosh 2x dx = − + arcsin (tanh x) cosh3 x 2 cosh2 x 2 sinh 3x dx = x + sinh 2x sinh x sinh 3x x dx = 3 ln tanh + 4 cosh x 2 2 sinh x sinh 3x dx = −3 coth x + 4x sinh3 x 4 1 sinh 3x dx = − n−3 coshn x (3 − n) cosh x (1 − n) coshn−1 x For n = 1 and n = 3: sinh 3x dx = 2 sinh2 x − ln cosh x cosh x GU (352)(8d) 2.442 Rational functions of hyperbolic functions 24. 25. 26. 27. 28. 29. 30. sinh 3x 1 dx = + 4 ln cosh x 3 cosh x 2 cosh2 x 1 4 cosh 3x + dx = n−3 sinhn x (3 − n) sinh x (1 − n) sinhn−1 x For n = 1 and n = 3: cosh 3x dx = 2 sinh2 x + ln sinh x sinh x cosh 3x 1 dx = − + 4 ln sinh x 3 sinh x 2 sinh2 x cosh 3x dx = sinh 2x − x cosh x cosh 3x dx = 4 sinh x − 3 arcsin (tanh x) cosh2 x cosh 3x dx = 4x − 3 tanh x cosh3 x 2.44–2.45 Rational functions of hyperbolic functions 2.441 1. 2. 3. 2.442 1. 2. cosh x A + B sinh x aB − bA · n dx = (n − 1) (a2 + b2 ) (a + b sinh x)n−1 (a + b sinh x) 1 (n − 1)(aA + bB) + (n − 2)(aB − bA) sinh x + dx n−1 (n − 1) (a2 + b2 ) (a + b sinh x) For n = 1: B aB − bA A + B sinh x dx dx = x − a + b sinh x b b a + b sinh x √ a tanh x2 − b + a2 + b2 dx 1 √ =√ ln a + b sinh x a2 + b2 a tanh x2 − b − a2 + b2 a tanh x2 − b 2 =√ arctanh √ a2 + b 2 a2 + b 2 (see 2.441 3) A + B cosh x B dx dx = − + A n n n−1 (a + b sinh x) (a + b sinh x) (n − 1)b (a + b sinh x) For n = 1: B dx A + B cosh x dx = ln (a + b sinh x) + A a + b sinh x b a + b sinh x (see 2.441 3) 125 126 2.443 Hyperbolic Functions 1. 2. 3. 2.444 1. 2.11 2.445 1. 2. 2.443 A + B cosh x sinh x aB − bA · n dx = n−1 2 2 (n − 1) (a − b ) (a + b cosh x) (a + b cosh x) 1 (n − 1)(aA − bB) + (n − 2)(aB − bA) cosh x + dx n−1 (n − 1) (a2 − b2 ) (a + b cosh x) For n = 1: B aB − bA A + B cosh x dx dx = x − a + b cosh x b b a + b cosh x 1 dx b + a cosh x =√ arcsin a + b cosh x a + b cosh x b 2 − a2 b + a cosh x 1 arcsin = −√ a + b cosh x b 2 − a2 √ x a2 − b2 tanh a + b + 1 2 =√ ln √ a2 − b2 a + b − a2 − b2 tanh x 2 (see 2.443 3) 2 b > a2 , x<0 2 b > a2 , x>0 2 a > b2 dx x+a x−a = cosech a ln cosh − ln cosh cosh a + cosh x 2 2 a x = 2 cosech a arctanh tanh tanh 2 2 x a dx = 2 cosec a arctan tanh tan cos a + cosh x 2 2 B B sinh x dx = − n (a + b cosh x) (n − 1)b(a + b cosh x)n−1 For n = 1: B B sinh x dx = ln (a + b cosh x) a + b cosh x b [n = 1] (see 2.443 3) In evaluating definite integrals by use of formulas 2.441–2.443 and 2.445, one may not take the integral over points at which the integrand becomes infinite, that is, over the points a x = arcsinh − b in formulas 2.441 or 2.442 or over the points a x = arccosh − b in formulas 2.443 or 2.445. Formulas 2.443 are not applicable for a2 = b2 . Instead, we may use the following formulas in these cases: 2.449 2.446 Rational functions of hyperbolic functions 1. A + B cosh x n dx (ε + cosh x) = B sinh x n B n + εA + n−1 (1 − n) (ε + cosh x) × 2. 127 (2n − 2k − 3)!! (n − 1)! sinh x (2n − 1)!! (n − k − 1)! n−1 k=0 εh (ε + cosh x) n−k [ε = ±1, For n = 1: cosh x − ε A + B cosh x dx = Bx + (εA − B) ε + cosh x sinh x n > 1] [ε = ±1] 2.447 1. 2. 3. 2.448 b sinh x dx a ln cosh x + arctanh bx a a cosh x + b sinh x = a2 − b 2 a bx − a ln sinh x + arctanh b = b 2 − a2 For a = b = 1: x 1 sinh x dx = + e−2x cosh x + sinh x 2 4 For a = −b = 1: x 1 sinh x dx = − + e2x cosh x − sinh x 2 4 1. 2. 3. 2.449 1.6 [a > |b|] [b > |a|] MZ 215 MZ 215 ax − b ln cosh x + arctanh ab cosh x dx = a cosh x + b sinh x a2 −b2 −ax + b ln sinh x + arctanh ab = b 2 − a2 [a > |b|] [b > |a|] For a = b = 1: x 1 cosh x dx = − e−2x cosh x + sinh x 2 4 For a = −b = 1: x 1 cosh x dx = + e2x cosh x − sinh x 2 4 1 dx n = n 2 (a cosh x + b sinh x) (a − b2 ) 1 = n 2 (b − a2 ) MZ 214, 215 dx sinhn x + arctanh b a dx cosh n x + arctanh a b [a > |b|] [b > |a|] 128 2. 3. 4. 2.451 Hyperbolic Functions For n = 1: ! ! b 1 dx =√ arctan !!sinh x + arctanh 2 2 a cosh x + b sinh x a a −b ! ! ! x + arctanh ab !! 1 ! =√ ln tanh ! 2 b 2 − a2 ! 3. ! ! ! ! [a > |b|] [b > |a|] For a = b = 1: ax = −e−x = sinh x − cosh x cosh x + sinh x For a = −b = 1: dx = ex = sinh x + cosh x cosh x − sinh x 1. 2. 2.451 MZ 214 A + B cosh x + C sinh x n dx (a + b cosh x + c sinh x) Bc − Cb + (Ac − Ca) cosh x + (Ab − Ba) sinh x 1 = n−1 + (n − 1) (a2 − b2 + c2 ) (1 − n) (a2 − b2 + c2 ) (a + b cosh x + c sinh x) (n − 1)(Aa − Bb + Cc) − (n − 2)(Ab − Ba) cosh x − (n − 2)(Ac − Ca) sinh x × dx n−1 (a + b cosh x + c sinh x) 2 a + c2 = b 2 A n(Bb − Cc) Bc − Cb − Ca cosh x − Ba sinh x (n − 1)! = + (c cosh x + b sinh x) n + 2 a (n − 1)a (2n − 1)!! (n − 1)a (a + b cosh x + c sinh x) n−1 (2n − 2k − 3)!! 1 × (n − k − 1)!ak (a + b cosh x + c sinh x)n−k k=0 2 a + c2 = b 2 Cb − Bc A + B cosh x + C sinh x dx = 2 ln (a + b cosh x + c sinh x) a + b cosh x + c sinh x b − c2 Bb − Cc dx Bb − Cc x + A − a + 2 2 2 2 b −c b − c a + b cosh x + c sinh x (see 2.451 4) b 2 = c2 A (B ∓ C) b C ∓B A + B cosh x + C sinh x dx = (cosh x ∓ sinh x) + − x a + b cosh x ± b sinh x a 2a2 2a C ±B A (C ∓ B) b ± − + ln (a + b cosh x ± b sinh x) 2b a 2a2 [ab = 0] 2.452 Rational functions of hyperbolic functions 4. dx a + b cosh x + c sinh x (b − a) tanh x2 + c 2 arctan √ =√ b 2 − a2 − c 2 b 2 − a2 − c 2 √ x (a − b) tanh a2 − b 2 + c 2 1 2 −c+ √ =√ ln x a2 − b2 + c2 (a − b) tanh 2 − c − a2 − b2 + c2 x 1 = ln a + c tanh c 2 2 = (a − b) tanh x2 + c 129 b2 > a2 + c2 and a = b b2 < a2 + c2 and a = b [a = b and c = 0] 2 b = a2 + c 2 GU (351)(18) 2.452 1. A + B cosh x + C sinh x dx (a1 + b1 cosh x + c1 sinh x) (a2 + b2 cosh x + c2 sinh x) a1 + b1 cosh x + c1 sinh x dx dx = A0 ln + A1 + A2 a2 + b2 cosh x + c2 sinh x a1 + b1 cosh x + c1 sinh x a2 + b2 cosh x + c2 sinh x where GU (351)(19) ! ! !a1 b1 c1 ! ! ! !A B C! ! ! !a2 b2 c2 ! !2 ! ! ! !b1 c1 !2 !c1 b1 !! ! ! +! − !! b2 ! b 2 c2 ! c2 A0 = ! !2 !a1 a1 !! ! !a2 a2 ! ! ! ! a1 ! !! ! ! b 1 ! ! c1 ! ! !! C B ! ! C A ! ! B A !! !! ! ! ! ! !! !!c2 b2 ! !c2 a2 ! !b2 a2 !! ! ! ! a2 b2 c2 ! A2 = ! ! ! ! , ! ! !a1 b1 !2 !b1 c1 !2 !c1 a1 !2 ! ! +! ! −! ! !a2 b2 ! !b2 c2 ! !c2 a2 ! 2. ! ! ! ! a1 !! ! ! b1 ! ! c1 !! !!b1 c1 ! !c1 a1 ! !a1 b1 !! !! ! ! ! ! !! !! B C ! ! C A ! ! A B !! ! ! ! a2 b2 c2 ! A1 = ! ! ! ! , ! ! !a1 b1 !2 !b1 c1 !2 !c1 a1 !2 ! ! +! ! −! ! ! a2 b 2 ! ! b 2 c2 ! ! c 2 a2 ! %! ! a1 ! ! a2 !2 ! !b b1 !! + !! 1 ! b2 b2 !2 ! !c c1 !! = !! 1 ! c2 c2 !2 & a1 !! . a2 ! A cosh2 x + 2B sinh x cosh x + C sinh2 x dx a cosh2 x + 2b sinh x cosh x + c sinh2 x ⎧ ⎨ 1 [4Bb − (A + C)(a + c)]x = 2 4b − (a + c)2 ⎩ + [(A + C)b − B(a + c)] ln a cosh2 x + 2b sinh x cosh x + c sinh2 x ⎫ ⎬ + 2(A − C)b2 − 2Bb(a − c) + (Ca − Ac)(a + c) f (x) ⎭ 130 Hyperbolic Functions 2.453 where √ 1 c tanh x + b − b2 − ac √ f (x) = √ ln 2 b2 − ac c tanh x + b + b2 − ac c tanh x + b 1 arctan √ =√ ac − b2 ac − b2 1 =− c tanh x + b 2.453 1. 2. GU (351)(24) b2 > ac b2 < ac b2 = ac ! dx 1 x !! (A + B sinh x) dx ! = A ln !tanh ! + (aB − bA) sinh x (a + b sinh x) a 2 a + b sinh x A (A + B sinh x) dx = 2 sinh x (a + b cosh x) a − b2 (see 2.441 3) ! ! ! ! ! a + b cosh x ! dx x! ! ! ! +B a ln !tanh ! + b ln ! 2 sinh x ! a + b cosh x (see 2.443 3) 2 3. 4. 2.454 1. 2. 2 For a = b = 1: A (A + B sinh x) dx = sinh x (1 + cosh x) 2 (A + B sinh x) dx A = sinh x (1 − cosh x) 2 ! x x !! 1 x ! ln !tanh ! − tanh2 + B tanh 2 2 2 2 ! ! x! 1 x x ! − ln !coth ! + coth2 + B coth 2 2 2 2 ! ! ! a + b sinh x ! 1 (A + B sinh x) dx ! ! = 2 (Aa + Bb) arctan (sinh x) + (Ab − Ba) ln ! cosh x (a + b sinh x) a + b2 cosh x ! ! ! ! ! sinh x ! dx (A + B cosh x) dx 1 x !! ! ! ! − Ab = A ln !tanh ! + B ln ! ! sinh x (a + b sinh x) a 2 a + b sinh x a + b sinh x (see 2.441 3) 2.455 1. ! ! ! ! a + b cosh x ! x !! (A + B cosh x) dx 1 ! ! ! = 2 (Aa + Bb) ln !tanh ! + (Ab − Ba) ln ! sinh x (a + b cosh x) a − b2 2 sinh x ! For a2 = b2 = 1: x !! A − B x A + B !! (A + B cosh x) dx = ln !tanh ! − tanh2 2. sinh x (1 + cosh x) 2 2 4 2 A+B x x A−B (A + B cosh x) dx = coth2 − ln coth 3. sinh x (1 − cosh x) 4 2 2 2 ! ! ! a + b sinh x ! dx (A + B cosh x) dx A ! +B ! 2.456 = 2 a arctan (sinh x) + b ln ! cosh x ! cosh x (a + b sinh x) a + b2 a + b sinh x (see 2.441 3) 2.459 2.457 Rational functions of hyperbolic functions 1. 131 1 (A + B cosh x) dx dx = A arctan sinh x − (Ab − Ba) cosh x (a + b cosh x) a a + b cosh x (see 2.443 3) 2.458 1. dx a + b sinh2 x b = − 1 tanh x arctan a a(b − a) 1 b = arctanh 1 − tanh x a a(a − b) 1 b = arccoth 1 − tanh x a a(a − b) 1 b >1 a b b a 0 < < 1 or < 0 and sinh2 x < − a a b b a < 0 and sinh2 x > − a b MZ 195 2. dx a + b cosh2 x . 1 b = arctan − 1+ coth x a −a(a + b) 1 b = arctanh 1 + coth x a a(a + b) b 1 arccoth 1 + coth x = a a(a + b) b < −1 a b a −1 < < 0 and cosh2 x > − a b b b a 2 > 0 or − 1 < < 0 and cosh x < − a a b MZ 202 2 3. 4. 5. 6. 2.459 1. 2 For a = b = 1: dx = tanh x 1 + sinh2 x √ dx 1 2 tanh x = √ arctanh 2 1 − sinh x 2 √ 1 2 tanh x = √ arccoth 2 √ dx 1 2 coth x = √ arccoth 2 1 + cosh x 2 dx = coth x 1 − cosh2 x sinh2 x < 1 sinh2 x > 1 b sinh x cosh x 1 dx = + (b − 2a) 2 2a(b − a) a + b sinh2 x a + b sinh2 x a + b sinh2 x dx (see 2.458 1) MZ 196 132 Hyperbolic Functions 2. 1 dx b sinh x cosh x + (2a + b) − 2 = 2a(a + b) a + b cosh2 x a + b cosh2 x a + b cosh2 x dx (see 2.458 2) ⎡ 3. 2 1 ⎣ 3 3− 2 + 4 3 = 3 8pa p p a + b sinh x dx 2 + + arctan (p tanh x) + 3 − ⎤ 2 1 1 + 2 − 2 tanh2 x p p ⎡ 1 ⎣ 2 3 = 3+ 2 + 4 8qa3 q q MZ 203 3 2 − 4 p2 p 2p tanh x 2 ⎦ 1 + p2 tanh2 x b 2 p = −1>0 a arctanh (q tanh x) + 3 + ⎤ 1 2 1 − 2 + 2 tanh2 x q q p tanh x 1 + p2 tanh2 x 3 2 − 4 q2 q q tanh x 1 − q 2 tanh2 x 2q tanh x 2 ⎦ 1 − q 2 tanh2 x b 2 q =1− >0 a MZ 196 ⎡ 4. 2.461 2 1 ⎣ 3 3− 2 + 4 3 = 3 8pa p p a + b cosh x dx 2 + 1+ 1− ⎤ 2 1 − 2 coth2 x p2 p ⎡ 1 ⎣ 2 3 = 3+ 2 + 4 3 8qa q q + arctan (p coth x) + 3 − p coth x 1 + p2 coth2 x 2p coth x 2 ⎦ 1 + p2 coth2 x 2 3 − 4 2 q q ⎤ 2q coth x 2 ⎦ 1 − q 2 coth2 x ϕ(x)∗ + 3 + 1 2 + 2 coth2 x q2 q 3 2 − 4 2 p p b p2 = −1 − > 0 a q coth x 1 − q 2 coth2 x b q2 = 1 + > 0 a 2.46 Algebraic functions of hyperbolic functions 2.461 √ √ √ tanh x dx = arctanh tanh x − arctan tanh x 1. ∗ In 2.459.4, if b < 0 and cosh2 x > − a , then ϕ(x) = arctanh (q coth x). If a b ϕ(x) = arccoth (q coth x). MZ 221 b a < 0, but cosh2 x < − ab , or if b a > 0, then 2.462 2. 2.462 Algebraic functions of hyperbolic functions √ 1. coth x dx = arccoth 133 √ √ coth x − arctan coth x cosh x sinh x dx = arcsinh √ = ln cosh x + a2 + sinh2 x a2 − 1 a2 + sinh2 x cosh x = ln cosh x + a2 + sinh2 x = arccosh √ 1 − a2 = ln cosh x MZ 222 2 a >1 2 a <1 2 a =1 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. cosh x sinh x dx = arcsin √ sinh2 x < a2 2 2 2 a +1 a − sinh x sinh x dx cosh x = arccosh √ = ln cosh x + sinh2 x − a2 a2 + 1 sinh2 x − a2 sinh2 x > a2 sinh x cosh x dx = ln sinh x + a2 + sinh2 x = arcsinh a a2 + sinh2 x sinh x cosh x dx sinh2 x < a2 = arcsin 2 a a2 − sinh x cosh x dx sinh x = ln sinh x + sinh2 x − a2 = arccosh a sinh2 x − a2 sinh2 x > a2 cosh x sinh x dx = arcsinh = ln cosh x + a2 + cosh2 x a a2 + cosh2 x cosh x sinh x dx cosh2 x < a2 = arcsin a a2 − cosh2 x sinh x dx cosh x = ln cosh x + cosh2 x − a2 = arccosh a cosh2 x − a2 cosh2 x > a2 sinh x cosh x dx = arcsinh √ = ln sinh x + a2 + cosh2 x 2 a +1 a2 + cosh2 x sinh x cosh x dx = arcsin √ cosh2 x < a2 2 2 a −1 a2 − cosh x 2 cosh x dx sinh x = arccosh √ a >1 2 2 2 a −1 cosh x − a 2 = ln sinh x a =1 MZ 199 MZ 215, 216 MZ 206 134 Hyperbolic Functions √ coth x dx b √ = 2 a arccoth 1 + sinh x a a + b sinh x √ b = 2 a arctanh 1 + sinh x a . √ b = 2 −a arctanh − 1 + sinh x a √ tanh x dx b √ = 2 a arccoth 1 + cosh x a a + b cosh x √ b = 2 a arctanh 1 + cosh x a . √ b = 2 −a arctanh − 1 + cosh x a 2.463 13. 14. [b sinh x > 0, a > 0] [b sinh x < 0, a > 0] a<0 [b cosh x > 0, a > 0] [b cosh x < 0, a > 0] [a < 0] MZ 220, 221 2.463 √ sinh x a + b cosh x dx 1. p + q cosh x . =2 . =2 . =2 2. aq − bp arccoth q aq − bp arctanh q bp − aq arctanh q √ cosh x a + b sinh x dx p + q sinh x . =2 . =2 . =2 . . q (a + b cosh x) aq − bp . q (a + b cosh x) aq − bp q (a + b cosh x) bp − aq b cosh x > 0, aq − bp >0 q b cosh x < 0, aq − bp <0 q aq − bp >0 q MZ 220 aq − bp arccoth q aq − bp arctanh q bp − aq arctanh q . . . q (a + b sinh x) aq − bp q (a + b sinh x) aq − bp q (a + b sinh x) bp − aq b sinh x > 0, aq − bp >0 q b sinh x < 0, aq − bp <0 q aq − bp >0 q MZ 221 2.464 dx dx = = F (arcsin (tanh x) , k) 1. 2 2 2 k + k cosh x 1 + k 2 sinh2 x [x > 0] 1 dx dx 2. = = F arcsin ,k 2 2 2 cosh x cosh x − k 2 sinh x + k [x > 0] BY (295.00)(295.10) BY (295.40)(295.30) 2.464 Algebraic functions of hyperbolic functions dx =F 1 − k 2 cosh2 x 3. arcsin tanh x k 1 0 < x < arccosh k ,k Notation: In 2.464 4–2.464 8, we set α = arccos 4. 5. √ 6. 7. 8. 1 dx √ F (α, r) = 2a sinh 2ax 1 1 [F (α, r) − 2 E (α, r)] + sinh 2ax dx = 2a a 1 1 − sinh 2ax ,r= √ 1 + sinh 2ax 2 11. 12. 13. 14. 15. < sinh 2ax 1 + sinh2 2ax BY (296.53) 1 + sinh 2ax BY (296.51) 2 1 (1 − sinh 2ax) dx √ = [2 E (α, r) − F (α, r)] 2 2a (1 + sinh 2ax) sinh 2ax √ sinh 2ax dx 1 2 = 4a [F (α, r) − E (α, r)] (1 + sinh 2ax) BY (296.55) BY (296.54) 1 cosh 2ax − 1 ,r= √ cosh 2ax 2 1 dx √ = √ F (α, r) a 2 cosh 2ax √ sinh 2ax 1 cosh 2ax dx = √ [F (α, r) − 2 E (α, r)] + √ a 2 a cosh 2ax 1 dx √ = √ [2 E (α, r) − F (α, r)] 3 a 2 cosh 2ax tanh 2ax dx 1 √ = √ F (α, r) + √ 5 3 2a 3a cosh 2ax cosh 2ax √ √ 2 1 sinh2 2ax dx √ F (α, r) + sinh 2ax cosh 2ax =− 3a 3a cosh 2ax √ 2 2 tanh 2ax tanh 2ax dx √ F (α, r) − √ = 3a cosh 2ax 3a cosh 2ax √ 1 cosh 2ax dx = √ Π α, p2 , r p2 + (1 − p2 ) cosh 2ax a 2 Notation: In 2.464 16–2.464 20, we set: √ a2 + b2 − a − b sinh x , α = arccos √ a2 + b2 + a + b sinh x . √ + a + a2 + b 2 √ r= a > 0, b > 0, 2 a2 + b 2 16. [ax > 0] 1 cosh2 2ax dx = E (α, r) 2√ 2a (1 + sinh 2ax) sinh 2ax 10. BY (295.20) BY (296.50) Notation: In 2.464 9–2.464 15, we set α = arcsin 9. 135 dx 1 √ F (α, r) = √ 4 2 a + b sinh x a + b2 [x = 0]: BY (296.00) BY (296.03) BY (296.04) BY (296.04) BY (296.07) BY (296.05) BY (296.02) x > − arcsinh a, b BY (298.00) 136 Hyperbolic Functions √ 2b cosh x a + b sinh x a + b sinh x dx = + [F (α, r) − 2 E (α, r)] + √ a2 + b2 + a + b sinh x √ √ a + b sinh x a2 + b 2 − a 4 2 + b2 E (α, r) − √ a F (α, r) dx = 4 2 2 cosh2 x √ 2 a +b √ √ a2 + b2 − a − b sinh x a + b sinh x a + a2 + b 2 ·√ − · b cosh x a2 + b2 + a + b sinh x 17. 18. 2.464 √ 4 a2 b2 BY (298.02) BY (298.03) 19. 20. 2 1 cosh x dx = √ E (α, r) √ 2 √ 2 4 a2 + b 2 2 2 b a + b + a + b sinh x a + b sinh x √ a + b sinh x dx 1 √ E (α, r) √ 2 = − √ 4 2 2 a +b a2 + b 2 − a a2 + b2 − a − b sinh x √ b cosh x a + b sinh x +√ · 2 2 2 a + b − a a + b2 − (a + b sinh x)2 21. 22. 23. 24. 25.11 27. 28. 29. BY (298.04) a−b x ,r= [0 < b < a, x > 0]: Notation: In 2.464 21–2.464 31, we set α = arcsin tanh 2 a+b dx 2 √ BY (297.25) =√ F (α, r) a + b cosh x a+b √ √ x√ a + b cosh x dx = 2 a + b [F (α, r) − E (α, r)] + 2 tanh a + b cosh x BY (297.29) 2 √ 2 x√ cosh x dx 2 2 a+b √ E (α, r) + tanh a + b cosh x BY (297.33) =√ F (α, r) − b b 2 a + b cosh x a+b √ tanh2 x2 2 a+b √ [F (α, r) − E (α, r)] BY (297.28) dx = a−b a + b cosh x √ √ tanh4 x2 sinh x2 a + b cosh x 2 2 a+b √ [(3a + b) F (α, r) − 4a E (α, r)] + dx = x 3(a − b)2 3(a − b) a + b cosh x cosh3 2 26. BY (298.01) BY (297.28) 2+ , √ x √ tanh a + b cosh x − a + b E (α, r) 2 cosh x − 1 √ dx = b a + b cosh x √ 2 (cosh x − 1) 4 a+b √ [(a + 3b) E (α, r) − b F (α, r)] dx = 3b2+ a + b cosh x , x√ x 4 + 2 b cosh2 − (a + 3b) tanh a + b cosh x 3b 2 2 √ √ a + b cosh x dx = a + b E (α, r) cosh x + 1 √ 2b a+b dx √ √ E (α, r) − = F (α, r) a−b (cosh x + 1) a + b cosh x (a − b) a + b BY (297.31) BY (297.31) BY (297.26) BY (297.30) 2.464 Algebraic functions of hyperbolic functions 30. 137 1 dx √ = b(5b − a) F (α, r) 2√ (cosh x + 1) a + b cosh x 3(a − b)2 a + b sinh x2 √ 1 · + (a − 3b)(a + b) E (α, r) + a + b cosh x 6(a − b) cosh3 x2 297.30) 31. (1 + cosh x) dx 2 √ =√ Π α, p2 , r 2 [1 + + (1 − p ) cosh x] a + b cosh x a+b Notation: In 2.464 32–2.464 40, we set: a − b cosh x α = arcsin a−b + a, a−b r= 0 < b < a, 0 < x < arccosh a+b b p2 BY (297.27) 32. 33. dx 2 √ =√ F (α, r) a − b cosh x a+b √ √ a − b cosh x dx = 2 a + b [F (α, r) − E (α, r)] 34. 35. 36. 37. 38. 39. BY (297.54) √ 2 cosh x dx 2 a+b √ E (α, r) − √ = F (α, r) b a − b cosh x a+b √ √ cosh2 x dx 2 2(b − 2a) 4a a + b √ E (α, r) + sinh x a − b cosh x = √ F (α, r) + 2 3b 3b a − b cosh x 3b a + b √ (1 + cosh x) dx 2 a+b √ E (α, r) = b a − b cosh x dx 2b a−b √ ,r = √ Π α, a cosh x a − b cosh x a a+b x√ dx 1 1 √ tanh a − b cosh x =√ E (α, r) − a+b 2 (1 + cosh x) a − b cosh x a+b BY (297.56) BY (297.56) BY (297.51) BY (297.57) BY (297.58) 1 dx = [(a + 3b) E (α, r) − b F (α, r)] √ (1 + cosh x) a − b cosh x 3 (a + b)3 √ tanh x2 a − b cosh x 1 [2a + 4b + (a + 3b) cosh x] − 3(a + b)2 cosh x + 1 2 40. BY (297.50) BY (297.58) dx 2 √ √ = Π α, p2 , r (a − b − ap2 + bp2 cosh x) a − b cosh x (a − b) a + b Notation: In 2.464 41 –2.464 47, we set: b (cosh x − 1) , α = arcsin b cosh x − a a+b [0 < a < b, x > 0] r= 2b BY (297.52) 138 Hyperbolic Functions 2 dx √ F (α, r) = b b cosh −a √ √ 2 2b sinh x F (α, r) − 2 2b E (α, r) + √ b cosh x − a dx = (b − a) b b cosh x − a 2 1 dx < [2b E (α, r) − (b − a) F (α, r)] = 2 · 2 b − a b 3 (b cosh x − a) 2 1 dx < [(b − 3a)(b − a) F (α, r) + 8ab E (α, r)] = 2 2 2 b 5 3 (b − a ) (b cosh x − a) sinh x 2b ·< + 2 2 3 (b − a ) 3 (b cosh x − a) 2.464 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. BY (297.05) BY (297.06) BY (297.06) 2 sinh x 2 [F (α, r) − 2 E (α, r)] + √ BY (297.03) b b cosh x − a 2 (cosh x + 1) dx 2 < E (α, r) = BY (297.01) b−a b 3 (b cosh x − a) √ b cosh x − a dx 2 = Π α, p2 , r BY (297.02) 2 2 p b − a + b (1 − p ) cosh x b . b cosh x − a 2b and r = for Notation: In 2.464 48–2.464 55, we set α = arcsin b (cosh x − 1) a+b + a, 0 < b < a, x > arccosh : b dx 2 √ BY (297.75) =√ F (α, r) b cosh x − a a+b √ √ x√ b cosh x − a dx = −2 a + b E (α, r) + 2 coth b cosh x − a BY (297.79) 2 √ coth2 x2 dx 2 a+b √ E (α, r) BY (297.76) = a−b b cosh x − a √ √ b cosh x − a dx = a + b [F (α, r) − E (α, r)] BY (297.77) cosh x − 1 √ 1 a+b dx √ E (α, r) − √ BY (297.78) = F (α, r) a−b (cosh x − 1) b cosh x − a a+b 1 dx √ = (a − 2b)(a − b) F (α, r) 2√ (cosh x − 1) b cosh x − a 3(a − b)2 a + b cosh x2 √ a+b · + (3a − b)(a + b) E (α, r) + b cosh x − a 6b(a − b) sinh3 x2 54. BY (297.00) cosh x dx √ = b cosh x − a √ dx 1 2 b cosh x − a √ =√ [F (α, r) − E (α, r)] + (a + b) sinh x a+b (cosh x + 1) b cosh x − a BY (297.78) BY (297.80) 2.471 Hyperbolic functions and powers 55. 1 dx = (a + b) F (α, r) 2√ (cosh x + 1) b cosh x − a 3 (a + b)3 √ b cosh x − a − (a + 3b) E (α, r) + 3(a + b) sinh x 139 2 x a + 3b − tanh2 a+b 2 BY (297.80) 56. 57. Notation: In 2.464 56–2.464 60, we set √ 4 2 b − a2 α = arccos √ , a sinh x + b cosh x a 1 0 < a < b, − arcsinh √ <x r= √ 2 b 2 − a2 dx 4 √ F (α, r) BY (299.00) = 4 2 b − a2 a sinh x + b cosh x √ 2 (a cosh x + b sinh x) a sinh x + b cosh x dx = 4 4 (b2 − a2 ) [F (α, r) − 2 E (α, r)] + √ a sinh x + b cosh x 58. 59. 60. . BY (299.02) 4 BY (299.03) 3 [2 E (α, r) − F (α, r)] (b2 − a2 ) . a cosh x + b sinh x 4 dx 14 2 < ·< = F (α, r) + 3 (b2 − a2 )5 3 (b2 − a2 ) 5 3 (a sinh x + b cosh x) (a sinh x + b cosh x) dx < = 3 (a sinh x + b cosh x) 4 √ 2 b − a2 + a sinh x + b cosh x dx 4 < =24 2 E (α, r) b − a2 3 (a sinh x + b cosh x) BY (299.03) BY (299.01) 2.47 Combinations of hyperbolic functions and powers 2.471 1. xr sinhp x coshq x dx = 1 (p + q)xr sinhp−1 x coshq−1 x (p + q)2 −rxr−1 sinhp x coshq x + r(r + 1) xr−2 sinhp x coshq x dx + rp xr−1 sinhp−1 x coshq−1 x dx + (q − 1)(p + q) xr sinhp x coshq−2 x dx 1 = (p + q)xr sinhp−1 x coshq+1 x (p + q)2 −rxr−1 sinhp x coshq x + r(r − 1) xr−2 sinhp x coshq x dx − rq xr−1 sinhp−1 x coshq−1 x dx − (p − 1)(p + q) xr sinhp−2 x coshq x dx GU (353)(1) 140 Hyperbolic Functions n 2. x sinh 2m x dx = (−1) xn sinh2m+1 x dx = 3. n 4. x cosh 2m x dx = xn cosh2m+1 x dx = 5. 2.472 1. m 1 22m m−1 xn+1 1 + (−1)k 22m (n + 1) 22m−1 2m m m (−1)k k=0 m 1 22m 2m + 1 k k=0 = x cosh x − nx n−1 = x sinh x − nx 2n 5.11 6. 7. 8. 9. 10. 2.473 1. xn cosh(2m − 2k)x dx xn cosh(2m − 2k + 1)x dx sinh x + n(n − 1) xn−2 sinh x dx cosh x + n(n − 1) xn−2 cosh x dx n n x2k x2k−1 cosh x − sinh x sinh x dx = (2n)! (2k)! (2k − 1)! x k=0 k=1 x x2k cosh x − sinh x x sinh x dx = (2n + 1)! (2k + 1)! (2k)! k=0 n n x2k x2k−1 2n sinh x − cosh x x cosh x dx = (2n)! (2k)! (2k − 1)! k=0 k=1 n x2k+1 x2k 2n+1 x sinh x − cosh x cosh x dx = (2n + 1)! (2k + 1)! (2k)! k=0 x sinh x dx = x cosh x − sinh x x2 sinh x dx = x2 + 2 cosh x − 2x sinh x x cosh x dx = x sinh x − cosh x x2 cosh x dx = x2 + 2 sinh x − 2x cosh x 4. n−1 2n+1 n 2k+1 Notation: z1 = a + bx 1 b z1 sinh kx dx = z1 cosh kx − 2 sinh kx k k xn cosh(2m − 2k)x dx 3. 2m k xn cosh x dx = xn sinh x − n xn−1 sinh x dx n xn sinh(2m − 2k + 1)x dx k=0 2m k xn sinh x dx = xn cosh x − n xn−1 cosh x dx n 2. 2m + 1 k k=0 m−1 xn+1 1 + 22m (n + 1) 22m−1 2m m 2.472 2.474 Hyperbolic functions and powers 2. z1 cosh kx dx = 1 b z1 sinh kx − 2 cosh kx k k z12 sinh kx dx = 1 k z12 + 2b2 k2 cosh kx − 2bz1 sinh kx k2 z12 cosh kx dx = 1 k z12 + 2b2 k2 sinh kx − 2bz1 cosh kx k2 z13 sinh kx dx = z1 k z12 + 6b2 k2 cosh kx − 3b k2 z12 + 2b2 k2 sinh kx z13 cosh kx dx = z1 k z12 + 6b2 k2 sinh kx − 3b k2 z13 + 2b2 k2 cosh kx z14 sinh kx dx = 1 k z14 + 12b2 2 24b4 z + 4 k2 1 k cosh kx − 4bz1 k2 z12 + 6b2 k2 sinh kx z14 cosh kx dx = 1 k z14 + 12b2 2 24b4 z + 4 k2 1 k sinh kx − 4bz1 k2 z12 + 6b2 k2 cosh kx z15 sinh kx dx = z1 k z14 + 20b2 2 b4 z1 + 120 4 2 k k cosh kx − 5b k2 z14 + 12 z15 cosh kx dx = z1 k z14 + 20 b2 2 b4 z + 120 k2 1 k4 sinh kx − 5b k2 z14 + 12 z16 sinh kx dx = 1 k 3. 4. 5. 6. 7. 8. 9. 10. 11. − z16 cosh kx dx = 12. 1 k − 2.474 b2 2 b4 z1 + 24 4 2 k k sinh kx b2 2 b4 z + 24 k2 1 k4 cosh kx b2 4 b4 b6 z1 + 360 4 z12 + 720 6 cosh kx 2 k k k 2 4 b b z14 + 20 2 z12 + 120 4 sinh kx k k z16 + 30 6bz1 k2 b2 4 b4 2 b6 z + 360 z + 720 sinh kx 1 1 k2 k4 k6 2 4 b b z14 + 20 2 z1 + 120 4 cosh kx k k z16 + 30 6bz1 k2 xn−2k xn−2k−1 sinh 2x − 2k+1 cosh 2x 22k (n − 2k)! 2 (n − 2k − 1)! n/2 n! xn+1 + x sinh x dx = − 2(n + 1) 4 n 1. 141 2 k=0 GU (353)(2b) n! xn+1 + x cosh x dx = 2(n + 1) 4 n/2 n 2. 2 k=0 GU (353)(3e) x sinh2 x dx = 3. 4. xn−2k xn−2k−1 sinh 2x − 2k+1 cosh 2x 22k (n − 2k)! 2 (n − 2k − 1)! 1 x2 1 x sinh 2x − cosh 2x − 4 8 4 x2 sinh2 x dx = 1 4 x2 + 1 2 sinh 2x − x3 x cosh 2x − 4 6 MZ 257 142 Hyperbolic Functions x cosh2 x dx = 5. 1 x2 x sinh 2x − cosh 2x + 4 8 4 x2 cosh2 x dx = 6. 2.475 1 4 x2 + 1 2 sinh 2x − x3 x cosh 2x + 4 6 MZ 261 xn sinh3 x dx 7. n/2 n! = 4 xn−2k (n − 2k)! k=0 cosh 3x xn−2k−1 − 3 cosh x − 32k+1 (n − 2k − 1)! sinh 3x − 3 sinh x 32k+2 GU (353)(2f) xn cosh3 x dx 8. = n/2 n! 4 xn−2k (n − 2k)! k=0 x sinh3 x dx = 9. 11. 1. 3x2 3 + 4 2 1 x2 + 12 54 cosh x + cosh 3x + x 3x sinh x − sinh 3x. 2 18 MZ 257 1 3 x 3 cosh 3x + x sinh x + sinh 3x x cosh3 x dx = − cosh x − 4 36 4 12 x2 cosh3 x dx = 12. cosh 3x + 3 cosh x 32k+2 1 3 x 3 sinh x − sinh 3x − x cosh x − cosh 3x 4 36 4 12 x2 sinh3 x dx = − 10. sinh 3x xn−2k−1 + 3 sinh x − 2k+1 3 (n − 2k − 1)! GU (353)(3f) 2.475 3 2 3 x + 4 2 sinh x + 1 x2 + 12 54 x 3 cosh 3x sinh 3x − x cosh x − 2 18 (p − 2) sinhq x + qx sinhq−1 x cosh x sinhq x dx = − xp (p − 1)(p − 2)xp−1 sinhq−2 x sinhq x q(q − 1) q2 + dx + dx p−2 (p − 1)(p − 2) x (p − 1)(p − 2) xp−2 MZ 262 [p > 2] GU (353)(6a) 2. 3. 4. coshq x (p − 2) coshq x + qx coshq−1 x sinh x dx = − p x (p − 1)(p − 2)xp−1 q(q − 1) q2 coshq−2 x coshq x − dx + dx (p − 1)(p − 2) xp−2 (p − 1)(p − 2) xp−2 sinh x 1 dx = − x2n x(2n − 1)! sinh x 1 dx = − 2n+1 x x(2n)! n−2 (2k + 1)! k=0 n−1 (2k)! k=0 x2k x2k+1 cosh x + cosh x + n−1 k=0 n−1 k=0 GU (353)(7a) (2k)! sinh x x2k [p > 2] + 1 chi(x) (2n − 1)! (2k + 1)! 1 shi(x) sinh x + 2k+1 x (2n)! GU (353)(6b) GU (353)(6b) 2.476 Hyperbolic functions and powers 5. 6. 7. 8. n−2 (2k + 1)! cosh x 1 dx = − x2n x(2n − 1)! k=0 n−1 (2k)! 1 cosh x dx = − 2n+1 x (2n)!x k=0 x2k x2k+1 m−1 1 sinh2m x dx = 2m−1 (−1)k x 2 k=0 m 1 sinh2m+1 x dx = 2m (−1)k x 2 10. 11. 12. m−1 1 cosh2m x dx = 2m−1 x 2 m 1 cosh2m+1 x dx = 2m x 2 sinh x 1 dx = 22m 14. 2m+1 cosh x2 1 22m x x 1. (2k + 1)! 1 chi(x) cosh x + 2k+1 x (2n)! (−1)m 22m 2m m ln x shi(2m − 2k + 1)x chi(2m − 2k)x + 1 22m 2m m GU (353)(6c) GU (353)(6d) ln x chi(2m − 2k + 1)x 2m k GU (353)(7b) GU (353)(7c) GU (353)(7c) cosh(2m − 2k)x − (2m − 2k) shi(2m − 2k)x x 2m + 1 k k=0 sinh(2m − 2k + 1)x − (2m − 2k + 1) chi(2m − 2k + 1)x x 2m m − 1 22m−1 m−1 k=0 2m k cosh(2m − 2k)x − (2m − 2k) shi(2m − 2k)x x dx =− 2.476 GU (353)(7b) (−1)k+1 cosh2m x dx x2 =− m (2k)! 1 shi(x) cosh x + x2k (2n − 1)! chi(2m − 2k)x + 2m + 1 k k=0 × 2m k sinh2m x (−1)m−1 2m dx = x2 22m x m m−1 1 + 2m−1 (−1)k+1 2 2m+1 n−1 k=0 2m + 1 k k=0 x2 13. 2m k k=0 k=0 sinh x + k=0 9. sinh x + n−1 143 m 1 22m k=0 2m + 1 k cosh(2m − 2k + 1)x − (2m − 2k + 1) shi(2m − 2k + 1)x x sinh kx 1 ka ka dx = shi(u) − sinh chi(u) cosh a + bx b b b 1 ka ka = exp − Ei(u) − exp Ei(−u) 2b b b k u = (a + bx) b 144 Hyperbolic Functions 2.477 1 ka cosh kx ka dx = chi(u) − sinh shi(u) cosh a + bx b b b 1 ka ka k = exp − Ei(u) + exp Ei(−u) u = (a + bx) 2b b b b sinh kx 1 sinh kx k cosh kx + dx (see 2.476 2) dx = − · (a + bx)2 b a + bx b a + bx cosh kx 1 cosh kx k sinh kx · + dx (see 2.476 1) dx = − (a + bx)2 b a + bx b a + bx k 2 sinh kx sinh kx sinh kx k cosh kx + dx dx = − − 2 (a + bx)3 2b(a + bx)2 2b (a + bx) 2b2 a + bx 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 2 cosh kx k cosh kx k sinh kx + 2 dx = − − 2 3 2 (a + bx) 2b(a + bx) 2b (a + bx) 2b (see 2.476 1) cosh kx dx a + bx (see 2.476 2) sinh kx k 3 cosh kx sinh kx k cosh kx k sinh kx + dx dx = − − − (a + bx)4 3b(a + bx)3 6b2 (a + bx)2 6b3 (a + bx) 6b3 a + bx 2 (see 2.476 2) cosh kx k 3 sinh kx cosh kx k sinh kx k cosh kx + dx dx = − − 2 − 3 (a + bx)4 3b(a + bx)3 6b (a + bx)2 6b (a + bx) 6b3 a + bx 2 (see 2.476 1) 2 sinh kx sinh kx k cosh kx k sinh kx dx = − − − 5 4 2 3 (a + bx) 4b(a + bx) 12b (a+ bx) 24b3 (a + bx)2 3 4 k k cosh kx sinh kx + dx − 24b4 (a + bx) 24b4 a + bx (see 2.476 1) cosh kx cosh kx k sinh kx k 2 cosh kx dx = − − − 5 4 2 3 (a + bx) 4b(a + bx) 12b (a+ bx) 24b3 (a + bx)2 3 4 k k sinh kx cosh kx + dx − 24b4 (a + bx) 24b4 a + bx (see 2.476 2) sinh kx sinh kx k cosh kx k 2 sinh kx k 3 cosh kx dx = − − − − (a + bx)6 5b(a + bx)5 20b2 (a +bx)4 60b3 (a + bx)3 120b4 (a + bx)2 k5 k 4 sinh kx cosh kx + dx − 120b5 (a + bx) 120b5 a + bx (see 2.476 2) cosh kx cosh kx k sinh kx k 2 cosh kx k 3 sinh kx dx = − − − − (a + bx)6 5b(a + bx)5 20b2 (a +bx)4 60b3 (a + bx)3 120b4 (a + bx)2 4 5 k k cosh kx sinh kx + dx − 120b5 (a + bx) 120b5 a + bx (see 2.476 1) 2.477 2.477 1. 2. 3. Hyperbolic functions and powers 145 p(p − 1) xp dx −pxp−1 sinh x − (q − 2)xp cosh x xp−2 + dx = q q−1 sinh x (q − 1)(q − 2) sinhq−2 x (q − 1)(q − 2) sinh x p q−2 x dx − q − 1 sinhq−2 x [q > 2] pxp−1 cosh x + (q − 2)xp sinh x xp−2 dx xp dx p(p − 1) = − q q−1 cosh x (q − 1)(q − 2) coshq−2 x (q −1)(q − 2) cosh x p q−2 x dx + q − 1 coshq−2 x [q > 2] ∞ 2 − 22k B2k n+2k xn dx = x [|x| < π, n > 0] sinh x (n + 2k)(2k)! 4. 5. 6.11 7. 8. 9. GU (353)(10a) GU(353)(8b) k=0 ∞ E2k xn+2k+1 xn dx = cosh x (n + 2k + 1)(2k)! k=0 + π |x| < , 2 n≥0 [|x| < π, n ≥ 1] , GU (353)(10b) n−1 dx −1 n 2 = − [1 + (−1) Bn ln x ] n x sinh x n! ∞ 2 − 22k B2k x2k−n + (2k − n)(2k)! k=0 k= n 2 GU (353)(8a) dx = xn cosh x ∞ k=0 k= n−1 2 GU (353)(9b) E2k 1 En−1 x2k−n+1 + [1 + (−1)n ] + ln x (2k − n + 1)(2k)! 2 (n − 1)! + π, |x| < 2 GU (353)(11b) ∞ 22k B2k xn n xn+2k−1 coth x + n dx = −x 2 (n + 2k − 1)(2k)! sinh x k=0 ∞ 2k [n > 1, 22k − 1 B2k n+2k−1 2 xn x dx = xn tanh x − n 2 (n + 2k − 1)(2k)! cosh x k=1 + n > 1, |x| < π] |x| < π, 2 GU (353)(8c) GU (353)(10c) dx 2n n coth x n Bn+1 ln x − [1 − (−1) ] = − 2 n x (n + 1)! xn sinh x ∞ k n B2k − n+1 (2x)2 x (2k − n − 1)(2k)! k=0 k= n+1 2 [|x| < π] GU (353)(9c) 146 Hyperbolic Functions 10. 2n 2n+1 − 1 n dx tanh x n Bn+1 ln x + [1 − (−1) ] − = xn (n + 1)! xn cosh2 x ∞ 22k − 1 B2k k n + n+1 (2x)2 x (2k − n − 1)(2k)! k=1 k= n+1 2 11. 12. x 2n−1 x 15. 16. 17. 18. 19. x cosh n−1 (2n − 3)(2n − 5) . . . (2n − 2k + 1) (2n − 2)(2n − 4) . . . (2n − 2k) k=1 x cosh x 1 x dx n−1 (2n − 3)!! + × + (−1) 2n−2k 2n−2k−1 (2n − 2)!! sinh x sinh x (2n − 2k − 1) sinh x GU (353)(8e) (see 2.477 15) (−1)k n−1 (2n − 2)(2n − 4) . . . (2n − 2k + 2) x dx = 2n (2n − 1)(2n − 3) . . . (2n − 2k + 1) cosh x k=1 x dx x sinh x 1 (2n − 2)!! + + × 2n−2k+1 2n−2k (2n − 1)!! cosh2 x cosh x (2n − 2k) cosh x GU (353)(10e) (see 2.477 18) 14. GU (353)(11c) dx = + π, |x| < 2 n−1 (2n − 2)(2n − 4) . . . (2n − 2k + 2) x (−1)k dx = 2n (2n − 1)(2n − 3) . . . (2n − 2k + 1) sinh x k=1 x cosh x 1 x dx n−1 (2n − 2)!! + × + (−1) (2n − 1)!! sinh2 x sinh2n−2k+1 x (2n − 2k) sinh2n−2k x GU (353)(8e) (see 2.477 17) sinh 13. 2.477 2n−1 x dx = n−1 (2n − 3)(2n − 5) . . . (2n − 2k + 1) (2n − 2)(2n − 4) . . . (2n − 2k) k=1 x sinh x 1 x dx (2n − 3)!! + × + 2n−2k 2n−2k−1 (2n − 2)!! cosh x cosh x (2n − 2k − 1) cosh x GU (353)(10e) (see 2.477 16) ∞ 2 − 22k x dx = B2k x2k+1 sinh x (2k + 1)(2k)! |x| < π GU (353)(8b)a π 2 GU (353)(10b)a k=0 ∞ E2k x2k+2 x dx = cosh x (2k + 2)(2k)! k=0 x dx = −x coth x + ln sinh x sinh2 x x dx = x tanh x − ln cosh x cosh2 x 1 x dx x cosh x 1 x dx − =− − 3 2 2 sinh x 2 sinh x sinh x 2 sinh x |x| < MZ 257 MZ 262 (see 2.477 15) MZ 257 2.478 Hyperbolic functions and powers 20. 21. 22. 23. 24. 147 1 x dx x sinh x 1 x dx + (see 2.477 16) = + 3 2 2 cosh x 2 cosh x cosh x 2 cosh x x cosh x 1 2 2 x dx =− − + x coth x − ln sinh x 4 3 2 3 3 sinh x 3 sinh x 6 sinh x 2 x dx x sinh x 1 2 = + + x tanh x − ln cosh x 4 3 2 3 3 cosh x 3 cosh x 6 cosh x 3 x dx x cosh x 1 3x cosh x 3 x dx + =− − + + 5 4 3 2 8 sinh x 8 sinh x sinh x 4 sinh x 12 sinh x 8 sinh x (see 2.477 15) 3 x dx x sinh x 1 3x sinh x 3 x dx + = + + + 5 4 3 2 cosh x 4 cosh x 12 cosh x 8 cosh x 8 cosh x 8 cosh x MZ 262 MZ 258 MZ 262 MZ 258 (see 2.477 16) 2.478 1. 2. xn cosh x dx xn n m =− m−1 + (m − 1)b (a + b sinh x) (m − 1)b (a + b sinh x) xn sinh x dx xn m =− m−1 (a + b cosh x) (m − 1)b (a + b cosh x) 4. 5. 6. 7. (a + b sinh x) m−1 [m = 1] n xn−1 dx + (m − 1)b (a + b cosh x)m−1 MZ 263 MZ 263 x x x dx = x tanh − 2 ln cosh 1 + cosh x 2 2 x x x dx = x coth − 2 ln sinh 1 − cosh x 2 2 x x sinh x dx x 2 = − 1 + cosh x + tanh 2 (1 + cosh x) x x x sinh x dx 2 = 1 − cosh x − coth 2 (1 − cosh x) 1 x dx = [L(u + t) − L(u − t) − 2 L(t)] cosh 2x − cos 2t 2 sin 2t [u = arctan (tanh x cot t) , 8. xn−1 dx [m = 1] 3. MZ 262 MZ 262-264 t = ±nπ] LO III 402 1 u+t u−t x cosh x dx υ+t = L −L +L π− cosh 2x − cos 2t 2 sin t 2 2 2 υ−t t π−t + L − 2L − 2L 2 2 2 t t x x u = 2 arctan tanh · cot , υ = 2 arctan coth · cot 2 2 2 2 ; t = ±nπ LO III 403 148 2.479 Hyperbolic Functions 1. xp m sinh2m x dx = (−1)m+k n k cosh x xp sinh x dx = (−1)m+k n cosh x m k=0 2. m 2m+1 k=0 xp 3. 2.479 xp dx (see 4.477 2) coshn−2k x m sinh x dx xp k coshn−2k x xp sinh x p dx = − + n n−1 cosh x (n − 1) cosh x n−1 [n > 1] xp−1 dx coshn−1 x [n > 1] 4. 5. 6. cosh2m x dx = sinhn x xp tanh x dx = 7. xp coth x dx = ∞ k=1 8. 10. (see 2.477 2) ∞ k=0 m k GU (353)(13c) 2k 2 − 1 B2k p+2k 2 x (2k + p)(2k)! + p > −1, |x| < 22k B2k xp+2k (p + 2k)(2k)! [p ≥ +1, |x| < π] 2k π, 2 x x cosh x x dx = ln tanh − 2 2 sinh x sinh x x sinh x x + arctan (sinh x) dx = − cosh x cosh2 x 2.48 Combinations of hyperbolic functions, exponentials, and powers 2.481 eax sinh(bx + c) dx = 1. 2. GU (353)(12) xp cosh x (see 2.477 1) sinhn−2k x k=0 p m m cosh2m+1 x x cosh x dx = dx (see 2.479 6) xp n−2k k sinhn x sinh x k=0 xp p xp−1 dx p cosh x dx = − x + n sinh x (n − 1) sinhn−1 x n − 1 sinhn−1 x [n > 1] (see 2.477 1) xp 9. m (see 2.479 3) eax cosh(bx + c) dx = eax [a sinh(bx + c) − b cosh(bx + c)] a2 − b 2 2 a = b2 eax [a cosh(bx + c) − b sinh(bx + c)] a2 − b 2 2 a = b2 GU (353)(12d) GU (353)(13d) MZ 263 2.483 3. 4. 5. 6. 2.482 Hyperbolic functions, exponentials, and powers For a2 = b2 : 1 1 eax sinh(ax + c) dx = − xe−c + e2ax+c 2 4a 1 1 e−ax sinh(ax + c) dx = xec + e−(2ax+c) 2 4a 1 1 eax cosh(ax + c) dx = xe−c + e2ax+c 2 4a 1 1 e−ax cosh(ax + c) dx = xec − e−(2ax+c) 2 4a 1 2 xp eax sinh bx dx = 1. xp e(a+b)x dx − MZ 275-277 xp e(a−b)x dx xp eax cosh bx dx = 2. 1 2 a2 = b 2 xp e(a+b)x dx + xp e(a−b)x dx 3. 4. 5. 2.483 For a2 = b2 : 1 xp+1 xp eax sinh ax dx = xp e2ax dx − 2 2(p + 1) p+1 1 x xp e−ax sinh ax dx = − xp e−2ax dx 2(p + 1) 2 1 xp+1 + xp eax cosh ax dx = xp e2ax dx 2(p + 1) 2 xeax sinh bx dx = 1. 3. eax 2 a − b2 ax − xeax cosh bx dx = eax 2 a − b2 a2 + b 2 a2 − b 2 a2 = b 2 (see 2.321) (see 2.321) (see 2.321) 2ab a2 − b 2 2 a = b2 sinh bx − bx − MZ 276, 278 cosh bx 2ab sinh bx a2 − b 2 2 a = b2 % & 2 a2 + b 2 2a a2 + 3b2 eax 2 ax 2 x e sinh bx dx = 2 x+ ax − sinh bx 2 a − b2 a2 − b 2 (a2 − b2 ) & % 2 2b 3a2 + b2 4ab 2 x+ cosh x a = b2 − bx − 2 2 2 2 a − b2 (a − b ) 2. 149 ax − a2 + b 2 a2 − b 2 cosh bx − bx − 150 Hyperbolic Functions 2 ax 4. 5. 6. 7. 8. 9. 10. 11. 2.484 1. 2. 3. 4. 5. 6. 7. x e & 2 a2 + b 2 2a a2 + 3b2 x+ ax − cosh bx 2 a2 − b 2 (a2 − b2 ) & 2b 3a2 + b2 4ab 2 x+ sinh x − bx − 2 2 a − b2 (a2 − b2 ) eax cosh bx dx = 2 a − b2 % 2.484 % 2 For a2 = b2 : e2ax 1 x2 xeax sinh ax dx = x− − 4a 2a 4 e−2ax 1 x2 xe−ax sinh ax dx = x+ + 4a 2a 4 2 2ax e x 1 + xeax cosh ax dx = x− 4 4a 2a 2 −2ax e x 1 − xe−ax cosh ax dx = x+ 4 4a 2a 1 e2ax x x3 x2 eax sinh ax dx = x2 − + 2 − 4a a 2a 6 −2ax 1 e x x3 x2 e−ax sinh ax dx = x2 + + 2 + 4a a 2a 6 e2ax 1 x3 x + x2 eax cosh ax dx = x2 − + 2 6 4a a 2a 2 1 dx = {Ei[(a + b)x] − Ei[(a − b)x]} a = b2 x 2 2 1 dx = {Ei[(a + b)x] + Ei[(a − b)x]} a = b2 eax cosh bx x 2 dx eax sinh bx 1 + {(a + b) Ei[(a + b)x] − (a − b) Ei[(a − b)x]} eax sinh bx 2 = − x 2x 2 2 a = b2 dx eax cosh bx 1 + {(a + b) Ei[(a + b)x] + (a − b) Ei[(a − b)x]} eax cosh bx 2 = − x 2x 2 2 a = b2 eax sinh bx For a2 = b2 : 1 dx = [Ei(2ax) − ln x] eax sinh ax x 2 1 dx = [ln x − Ei(−2ax)] e−ax sinh ax x 2 1 dx = [ln x + Ei(2ax)] eax cosh ax x 2 a2 = b 2 MZ 276, 278 2.510 Powers of trigonometric functions 151 8. 9. 10. dx 1 2ax e =− − 1 + a Ei(2ax) x2 2x dx 1 1 − e−2ax + a Ei(−2ax) e−ax sinh ax 2 = − x 2x dx 1 2ax e eax cosh ax 2 = − + 1 + a Ei(2ax) x 2x eax sinh ax MZ 276, 278 2.5–2.6 Trigonometric Functions 2.50 Introduction 2.501 Integrals of the form R (sin x, cos x) dx can always be reduced to integrals of rational functions x by means of the substitution t = tan . 2 2.502 If R (sin x, cos x) satisfies the relation R (sin x, cos x) = −R (− sin x, cos x) , it is convenient to make the substitution t = cos x. 2.503 If this function satisfies the relation R (sin x, cos x) = −R (sin x, − cos x) , it is convenient to make the substitution t = sin x. 2.504 If this function satisfies the relation R (sin x, cos x) = R (− sin x, − cos x) , it is convenient to make the substitution t = tan x. 2.51–2.52 Powers of trigonometric functions 2.510 sinp−1 x cosq+1 x p − 1 + sinp−2 x cosq+2 x dx q+1 q + 1 sinp−1 x cosq+1 x p − 1 =− + sinp−2 x cosq x dx p+q p+q sinp+1 x cosq+1 x p + q + 2 + = sinp+2 x cosq x dx p+1 p +1 sinp+1 x cosq−1 x q − 1 = + sinp+2 x cosq−2 x dx p+1 p + 1 sinp+1 x cosq−1 x q − 1 + = sinp x cosq−2 x dx p+q p+q sinp+1 x cosq+1 x p + q + 2 =− + sinp x cosq+2 x dx q+1 q+1 q−1 sinp−1 x cosq−1 x = sin2 x − p+q p+q−2 (p − 1)(q − 1) p−2 sin x cosq−2 x dx + (p + q)(p + q − 2) sinp x cosq x dx = − FI II 89, TI 214 152 2.511 Trigonometric Functions 2.511 sinp x cos2n x dx 1. n−1 (2n − 1)(2n − 3) . . . (2n − 2k + 1) cos2n−2k−1 x cos x+ (2n + p − 2)(2n + p − 4) . . . (2n + p − 2k) k=1 (2n − 1)!! + sinp x dx (2n + p)(2n + p − 2) . . . (p + 2) sinp+1 x = 2n + p 2. 2n−1 This formula is applicable for arbitrary real p, except for the following negative even integers: −2, −4, . . . , −2n. If p is a natural number and n = 0, we have: sin2l x dx l−1 (2l − 1)(2l − 3) . . . (2l − 2k + 1) cos x 2l−1 2l−2k−1 sin sin x+ x =− 2l 2k (l − 1)(l − 2) . . . (l − k) k=1 (2l − 1)!! x (see also 2.513 1) + 2l l! sin2l+1 x dx = − 3. p 4. sin x cos 2n+1 cos x 2l + 1 sin2l x + l−1 k=0 sinp+1 x x dx = 2n + p + 1 2k+1 l(l − 1) . . . (l − k) sin2l−2k−2 x (2l − 1)(2l − 3) . . . (2l − 2k − 1) (see also 2.513 2) cos TI (232) 2n x+ n k=1 TI (233) 2k n(n − 1) . . . (n − k + 1) cos2n−2k x (2n + p − 1)(2n + p − 3) . . . (2n + p − 2k + 1) This formula is applicable for arbitrary real p, except for the negative odd integers: −1, −3, . . . , −(2n + 1). 2.512 1. cosp x sin2n x dx n−1 (2n − 1)(2n − 3) . . . (2n − 2k + 1) sin2n−2k−1 x x+ sin (2n + p − 2)(2n + p − 4) . . . (2n + p − 2k) k=1 (2n − 1)!! cosp x dx + (2n + p)(2n + p − 2) . . . (p + 2) cosp+1 x =− 2n + p 2. 2n−1 This formula is applicable for arbitrary real p, except for the following negative even integers: −2, −4, . . . , −2n. If p is a natural number and n = 0, we have l−1 (2l − 1)(2l − 3) . . . (2l − 2k + 1) sin x 2l 2l−1 2l−2k−1 cos x dx = cos cos x+ x 2l 2k (l − 1)(l − 2) . . . (l − k) k=1 (2l − 1)!! x + 2l l! (see also 2.513 3) TI (230) 2.513 Powers of trigonometric functions 3. sin x cos2l+1 x dx = 2l + 1 cos2l x + l−1 k=0 2k+1 l(l − 1) . . . (l − k) cos2l−2k−2 x (2l − 1)(2l − 3) . . . (2l − 2k − 1) (see also 2.513 4) cosp x sin2n+1 x dx 4. 153 cosp+1 x =− 2n + p + 1 2n sin x+ n k=1 TI (231) 2k n(n − 1) . . . (n − k + 1) sin2n−2k x (2n + p − 1)(2n + p − 3) . . . (2n + p − 2k + 1) This formula is applicable for arbitrary real p, except for the following negative odd integers: −1, −3, . . . , −(2n + 1). 2.513 sin2n x dx = 1. 1 22n 2n n n−1 (−1)n (−1)k 22n−1 x+ k=0 2n k sin(2n − 2k)x 2n − 2k (see also 2.511 2) TI (226) 1 n+1 (−1) (−1)k 22n n sin2n+1 x dx = 2. k=0 2n + 1 k cos(2n + 1 − 2k)x 2n + 1 − 2k (see also 2.511 3) TI (227) cos2n x dx = 3. 1 22n cos2n+1 x dx = 4. 5. 6. 7. 8. 9. 1 22n 2n n n k=0 x+ 1 22n−1 2n + 1 k n−1 k=0 2n k sin(2n − 2k)x 2n − 2k (see also 2.512 2) TI (224) (see also 2.512 3) TI (225) sin(2n − 2k + 1)x 2n − 2k + 1 1 1 1 1 sin2 x dx = − sin 2x + x = − sin x cos x + x 4 2 2 2 3 1 1 sin3 x dx = cos 3x − cos x = cos3 x − cos x 12 4 3 3x sin 2x sin 4x sin4 x dx = − + 8 4 32 1 3 3 = − sin x cos x − sin3 x cos x + x 8 4 8 5 1 5 sin5 x dx = − cos x + cos 3x − cos 5x 8 48 80 1 4 4 = − sin4 x cos x + cos3 x − cos x 5 15 5 15 3 1 5 sin6 x dx = x− sin 2x + sin 4x − sin 6x 16 64 64 192 1 5 5 5 = − sin5 x cos x − sin3 x cos x − sin x cos x + x 6 24 16 16 154 Trigonometric Functions 7 7 1 35 cos x + cos 3x − cos 5x + cos 7x 64 64 320 448 1 6 8 24 = − sin6 x cos x − sin4 x cos x + cos3 x − cos x 7 35 35 35 x 1 1 1 cos2 x dx = sin 2x + = sin x cos x + x 4 2 2 2 3 1 1 sin 3x + sin x = sin x − sin3 x cos3 x dx = 12 4 3 1 1 3 3 1 3 cos4 x dx = x + sin 2x + sin 4x = x + sin x cos x + sin x cos3 x 8 4 32 8 8 4 5 1 4 4 5 1 cos5 x dx = sin x + sin 3x + sin 5x = sin x − sin3 x + cos4 x sin x 8 48 80 5 15 5 15 3 1 5 cos6 x dx = x+ sin 2x + sin 4x + sin 6x 16 64 64 192 5 5 5 1 = x+ sin x cos x + sin x cos3 x + sin x cos5 x 16 16 24 6 7 7 1 35 sin x + sin 3x + sin 5x + sin 7x cos7 x dx = 64 64 320 448 24 8 6 1 = sin x − sin3 x + sin x cos4 x + sin x cos6 x 35 35 35 7 sin7 x dx = − 10. 11. 12. 13. 14. 15. 16. 17. 1 4 sin x cos3 x dx = − cos4 x 4 sin x cos4 x dx = − cos5 x 5 sin2 x cos x dx = − 1 4 18. 19. 20. sin2 x cos2 x dx = − 21. 1 sin 3x − sin x 3 1 8 =− = cos3 x 3 sin3 x 3 1 sin 4x − x 4 1 1 1 sin 5x + sin 3x − 2 sin x 16 5 3 sin3 x 2 sin3 x 5 2 = − sin2 x cos x + = 5 3 5 3 sin2 x cos3 x dx = − 22. sin2 x cos4 x dx = 23. sin3 x cos x dx = 24. 25. 1 cos 3x + cos x 3 sin x cos2 x dx = − 1 1 1 x + sin 2x − sin 4x − sin 6x 16 64 64 192 1 8 1 cos 4x − cos 2x 4 = sin4 x 4 1 1 1 cos 5x − cos 3x − 2 cos x 16 5 3 1 1 = cos5 x − cos3 x 5 3 sin3 x cos2 x dx = 2.513 2.516 Powers of trigonometric functions 26. 1 3 cos 6x − cos 2x 6 2 sin3 x cos3 x dx = 1 32 sin3 x cos4 x dx = 1 2 3 cos3 x − − sin2 x + sin4 x 7 5 5 27. 155 sin5 x 5 1 1 1 1 x− sin 2x − sin 4x + sin 6x 29. sin4 x cos2 x dx = 16 64 64 192 2 3 1 + cos2 x − cos4 x 30. sin4 x cos3 x dx = sin3 x 7 5 5 1 1 3 31. sin4 x cos4 x dx = x− sin 4x + sin 8x 128 128 1024 sinp x 2.514 dx cos2n x n−1 (2n − p − 2)(2n − p − 4) . . . (2n − p − 2k) sinp+1 x 2n−1 2n−2k−1 = sec sec x+ x 2n − 1 (2n − 3)(2n − 5) . . . (2n − 2k − 1) k=1 (2n − p − 2)(2n − p − 4) . . . (−p + 2)(−p) sinp x dx + (2n − 1)!! " This formula is applicable for arbitrary real p. For sinp x dx, where p is a natural number, see 2.511 2, 3 and 2.513 1, 2. If n = 0 and p is a negative integer, we have for this integral: 2.515 l−1 2k (l − 1)(l − 2) . . . (l − k) dx cos x 2l−1 2l−2k−1 cosec cosec 1. =− x+ x 2l − 1 (2l − 3)(2l − 5) . . . (2l − 2k − 1) sin2l x sin4 x cos x dx = 28. k=1 2. dx sin2l+1 x TI (242) l−1 (2l − 1)(2l − 3) . . . (2l − 2k + 1) cos x cosec2l−2k x cosec2l x + 2l 28k (l − 1)(l − 2) . . . (l − k) k=1 x (2l − 1)!! ln tan + 2l l! 2 =− TI (243) 2.516 1. 2. sinp x dx cos2n+1 x n−1 (2n − p − 1)(2n − p − 3) · · · (2n − p − 2k + 1) sinp+1 x 2n 2n−2k sec x + sec x = 2n 2k (n − 1)(n − 2) · · · (n − k) k=1 (2n − p − 1)(2n − p − 3) · · · (3 − p)(1 − p) sinp x dx + 2n n! cos x This formula is applicable for arbitrary real p. For n = 0 and p a natural number, we have l sin2k x sin2l+1 x dx =− − ln cos x cos x 2k k=1 156 Trigonometric Functions 3. 2.517 sin2k−1 x π x sin2l x dx =− + ln tan + cos x 2k − 1 4 2 l k=1 2.517 1. 2. 2.518 1. 2. m 1 dx + ln tan x = − sin2m+1 x cos x (2m − 2k + 2) sin2m−2k+2 x k=1 m π x 1 dx − + ln tan = − 2m 2m−2k+1 4 2 sin x cos x (2m − 2k + 1) sin x k=1 sinp−1 x sinp x dx = − (p − 1) sinp−2 x dx cos2 x cos x ⎧ cosp x dx cosp+1 x ⎨ = cosec2n−1 x 2n − 1 ⎩ sin2n x ⎫ ⎬ (2n − p − 2)(2n − p − 4) . . . (2n − p − 2k) + cosec2n−2k−1 x ⎭ (2n − 3)(2n − 5) . . . (2n − 2k − 1) k=1 (2n − p − 2)(2n − p − 4) . . . (2 − p)(−p) + cosp x dx (2n − 1)!! " This formula is applicable for arbitrary real p. For cosp x dx where p is a natural number, see 2.512 2, 3 and 2.513 3, 4. If n = 0 and p is a negative integer, we have for this integral: n−1 2.519 1. 2. 2k (l − 1)(l − 2) . . . (l − k) 2l−2k−1 sec sec x+ x (2l − 3)(2l − 5) . . . (2l − 2k − 1) k=1 l−1 sin x (2l − 1)(2l − 3) . . . (2l − 2k + 1) dx 2l 2l−2k = sec sec x + x cos2l+1 x 2l 2k (l − 1)(l − 2) . . . (l − k) k=1 π x (2l − 1)!! ln tan + + 2l l! 4 2 sin x dx = 2l cos x 2l − 1 2l−1 l−1 TI (240) TI (241) 2.521 1. ⎧ cosp+1 x ⎨ cosp x dx =− cosec2n x ⎩ 2n sin2n+1 x ⎫ ⎬ (2n − p − 1)(2n − p − 3) . . . (2n − p − 2k + 1) 2n−2k + cosec x ⎭ 2k (n − 1)(n − 2) . . . (n − k) k=1 p (2n − p − 1)(2n − p − 3) . . . (3 − p)(1 − p) cos x dx + 2n · n! sin x n−1 This formula is applicable for arbitrary real p. For n = 0 and p a natural number, we have 2.526 Powers of trigonometric functions 2. 157 cos2l+1 x dx cos2k x = + ln sin x sin x 2k l k=1 3. 2.522 1. 2. 2l cos x dx = sin x l k=1 x cos2k−1 x + ln tan 2k − 1 2 dx 1 = + ln tan x 2m+1 sin x cos x (2m − 2k + 2) cos2m−2k+2 x m k=1 dx = sin x cos2m x m k=1 x 1 + ln tan (2m − 2k + 1) cos2m−2k+1 x 2 GW (331)(15) cosm x cosm−1 x − (m − 1) cosm−2 x dx dx = − sin x sin2 x In formulas 2.524 1 and 2.524 2, s = 1 for m odd and m < 2n + 1; in other cases, s = 0. 2.523 2.524 1. n n sin2n+1 x dx = (−1)k+1 k cosm x m+1 cos2k−m+1 x + s(−1) 2 2k − m + 1 k=0 k= m−1 2 n m−1 2 ln cos x GU (331)(11d) 2. n n cos2n+1 x dx = (−1)k m k sin x k=0 k= m−1 2 2.525 1. 2. m+n−1 dx = 2m 2n sin x cos x k=0 m+n dx = 2m+1 2n+1 sin x cos x k=0 m−1 sin2k−m+1 x + s(−1) 2 2k − m + 1 m+n−1 k m+n k n m−1 2 ln sin x tan2k−2m+1 x 2k − 2m + 1 tan2k−2m x + 2k − 2m TI (267) m+n m ln tan x TI (268), GU (331)(15f) 2.526 1. 2. 3. 4. 5. dx x = ln tan sin x 2 dx = − cot x sin2 x x 1 cos x 1 dx =− + ln tan 3 2 2 sin x 2 2 sin x 1 dx cos x 2 =− − cot x = − cot3 x − cot x 4 3 3 sin x 3 sin x 3 dx cos x 3 cos x 3 x =− − + ln tan 5 4 2 2 sin x 4 sin x 8 sin x 8 158 Trigonometric Functions 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. dx 4 cos x 4 cot3 x − cot x =− − 5 sin6 x 5 sin5 x 15 1 2 = − cot5 x − cot3 x − cot x 5 3 dx cos x 1 5 15 x 5 =− + + ln tan + 7 2 4 2 8 16 2 sin x 6 sin x sin x 4 sin x dx 1 3 cot7 x + cot5 x + cot3 x + cot x =− 7 5 sin8 x dx π x π x 1 + sin x = ln tan + = ln cot − = ln cos x 4 2 4 2 1 − sin x dx = tan x cos2 x 1 sin x 1 π x dx = + ln tan + cos3 x 2 cos2 x 2 4 2 sin x 2 1 dx = + tan x = tan3 x + tan x cos4 x 3 cos3 x 3 3 sin x 3 sin x 3 x π dx = + + ln tan + cos5 x 4 cos4 x 8 cos2 x 8 2 4 sin x 4 1 dx 4 2 = + tan3 x + tan x = tan5 x + tan3 x + tan x cos6 x 5 cos5 x 15 5 5 3 sin x 5 sin x 5 sin x 5 x π dx = + + + ln tan + cos7 x 6 cos6 x 24 cos4 x 16 cos2 x 16 2 4 1 dx 3 = tan7 x + tan5 x + tan3 x + tan x 8 cos x 7 5 sin x dx = − ln cos x cos x sin2 x x π dx = − sin x + ln tan = cos x 4 2 3 2 sin x 1 sin x dx = − − ln cos x = cos2 x − ln cos x cos x 2 2 4 sin x 1 x π dx = − sin3 x − sin x + ln tan + cos x 3 2 4 2 1 sin x dx = 2 cos x cos x 2 sin x dx = tan x − x cos2 x sin3 x dx 1 = cos x + 2 cos x cos x 4 1 3 sin x dx = tan x + sin x cos x − x cos2 x 2 2 2.526 2.526 Powers of trigonometric functions 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 1 1 sin x dx = = tan2 x cos3 x 2 cos2 x 2 sin x 1 π x sin2 x dx = − ln tan + 3 2 cos x 2 cos x 2 4 2 1 sin x sin3 x dx = + ln cos x cos3 x 2 cos2 x x π 1 sin x 3 sin4 x dx = + sin x − ln tan + 3 2 cos x 2 cos x 2 2 4 1 sin x dx = cos4 x 3 cos3 x 1 sin2 x dx = tan3 x cos4 x 3 1 1 sin3 x dx =− + 4 cos x cos x 3 cos3 x 1 sin4 x dx = tan3 x − tan x + x cos4 x 3 cos x dx = ln sin x sin x x cos2 x dx = cos x + ln tan sin x 2 3 2 cos x cos x dx = + ln sin x sin x 2 1 cos4 x dx x = cos3 x + cos x + ln tan sin x 3 2 cos x 1 dx = − sin x sin2 x cos2 x dx = − cot x − x sin2 x 1 cos3 x dx = − sin x − 2 sin x sin x 3 cos4 x 1 dx = − cot x − sin x cos x − x 2 2 2 sin x 1 cos x dx = − sin3 x 2 sin2 x cos x 1 x cos2 x dx = − − ln tan 2 sin3 x 2 sin2 x 2 3 1 cos x dx = − − ln sin x 3 sin x 2 sin2 x 1 cos x 3 x cos4 x dx = − − cos x − ln tan 3 2 2 sin x 2 2 sin x 159 160 Trigonometric Functions 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64. cos x 1 dx = − sin4 x 3 sin3 x cos2 x 1 dx = − cot3 x 4 3 sin x 1 1 cos3 x dx = − 4 sin x 3 sin3 x sin x 1 cos4 x dx = − cot3 x + cot x + x 3 sin4 x dx = ln tan x sin x cos x dx 1 x = + ln tan sin x cos2 x cos x 2 dx 1 = + ln tan x sin x cos3 x 2 cos2 x dx 1 1 x = + + ln tan sin x cos4 x cos x 3 cos3 x 2 dx π x + = ln tan − cosec x 4 2 sin2 x cos x dx = −2 cot 2x sin2 x cos2 x 1 3 3 1 π x dx − + ln tan + = 2 2x 3 2 cos 2 sin x 2 4 2 sin x cos x 8 dx 1 − cot 2x = 2 3 4 3 sin x cos x 3 sin x cos x dx 1 =− + ln tan x 3 sin x cos x 2 sin2 x 1 x dx 1 3 3 =− − + ln tan 3 2 2 cos x 2 sin x 2 2 2 sin x cos x dx 2 cos 2x =− + 2 ln tan x sin3 x cos3 x sin2 2x 1 cos x x dx 2 5 + − = + ln tan cos x 3 cos3 x 2 sin2 x 2 2 sin3 x cos4 x dx 1 1 x π − + =− + ln tan sin x 3 sin3 x 2 4 sin4 x cos x 1 8 dx =− − cot 2x sin4 x cos2 x 3 cos x sin3 x 3 dx 1 5 x π 2 sin x − + ln tan + =− + sin x 3 sin3 x 2 cos2 x 2 2 4 sin4 x cos3 x 8 dx = −8 cot 2x − cot3 2x 3 sin4 x cos4 x 2.527 2.532 2.527 1. 2. Sines and cosines of multiple angles and functions of the argument tanp−1 x − tanp−2 x dx [p = 1] tan x dx = p−1 n n 1 − (−1)n ln cos x tan2n+1 x dx = (−1)n+k k 2k cos2k x k=1 n (−1)k−1 tan2n−2k+2 x − (−1)n ln cos x = 2n − 2k + 2 p k=1 3. 4. 5. 161 n tan2n−2k+1 x + (−1)n x 2n − 2k + 1 k=1 cotp−1 x p − cotp−2 x dx cot x dx = − [p = 1] p−1 n n 1 + (−1)n ln sin x cot2n+1 x dx = (−1)n+k+1 k 2k sin2k x k=1 n cot2n−2k+2 x + (−1)n ln sin x = (−1)k 2n − 2k + 2 tan2n x dx = GU (331)(12) k=1 cot2n x dx = 6. (−1)k−1 n k=1 (−1)k cot2n−2k+1 x + (−1)n x 2n − 2k + 1 GU (331)(14) For special formulas for p = 1, 2, 3, 4, see 2.526 17, 2.526 33, 2.526 22, 2.526 38, 2.526 27, 2.526 43, 2.526 32, and 2.526 48. 2.53–2.54 Sines and cosines of multiple angles and of linear and more complicated functions of the argument 2.531 1. 2. 2.532 1 sin(ax + b) dx = − cos(ax + b) a 1 cos(ax + b) dx = − sin(ax + b) a 1. sin(ax + b) sin(cx + d) dx = 2.8 sin[(a − c)x + b − d] sin[(a + c)x + b + d] − 2(a − c) 2(a + c) 2 a = c2 sin(ax + b) cos(cx + d) dx = − cos[(a − c)x + b − d] cos[(a + c)x + b + d] − 2(a − c) 2(a + c) 2 a = c2 162 Trigonometric Functions 3. cos(ax + b) cos(cx + d) dx = 5. 6. 2.533 1. 8 2.8 GU (332)(3) 2 cos(a + b)x cos(a − b)x − a = b2 2(a + b) 2(a − b) ⎧ cos(b + c − a)x 1 ⎨ cos(a − b + c)x + sin ax sin bx sin cx dx = − 4 ⎩ a−b+c b+c−a ⎫ cos(a + b − c)x cos(a + b + c)x ⎬ − + a+b−c a+b+c ⎭ sin ax cos bx dx = − 4. ⎧ 1 ⎨ cos(a + b + c)x PE (376) cos(b + c − a)x b+c−a ⎫ cos(a + b − c)x cos(a + c − b)x ⎬ + + a+b−c a+c−b ⎭ sin ax cos bx cos cx dx = − 3. cos ax sin bx sin cx dx = 5. sin[(a − c)x + b − d] sin[(a + c)x + b + d] + 2(a − c) 2(a + c) 2 a = c2 For c = a: sin(2ax + b + d) x sin(ax + b) sin(ax + d) dx = cos(b − d) − 2 4a cos(2ax + b + d) x sin(ax + b) cos(ax + d) dx = sin(b − d) − 2 4a x sin(2ax + b + d) cos(ax + b) cos(ax + d) dx = cos(b − d) + 2 4a 4. 2.533 cos ax cos bx cos cx dx = 4⎩ a+b+c ⎧ 1 ⎨ sin(a + b − c)x − PE (378) sin(a + c − b)x a+c−b ⎫ sin(a + b + c)x sin(b + c − a)x ⎬ − − a+b+c b+c−a ⎭ 4⎩ a+b−c ⎧ 1 ⎨ sin(a + b + c)x + PE (379) sin(b + c − a)x b+c−a ⎫ sin(a + c − b)x sin(a + b − c)x ⎬ + + a+c−b a+b−c ⎭ 4⎩ a+b+c + PE (377) 2.535 2.534 Sines and cosines of multiple angles and functions of the argument 1. 2. 2.535 cos px + i sin px dx = −2i cos nx ⎧ ⎪ ⎪ ⎪ ⎨ = (2n + 1) × z p+n−1 dz 1 − z 2n [z = cos x + i sin x] Pe (374) [z = cos x + i sin x] Pe (373) p sinp x sin(2n + 1)x dx z p+n−1 dz 1 − z 2n p−1 x cos(a − 1)x dx − sin x cos ax + p sin 1 sin x sin ax dx = p+a p 1. 2. cos px + i sin px dx = −2 sin nx ⎪ ⎪ ⎪ ⎩ 163 GU (332)(5a) (2n + 1)2 − 12 (2n + 1)2 − 32 . . . n . . . (2n + 1)2 − (2k − 1)2 p+1 k sin x dx + (−1) (2k + 1)! k=1 ⎫ ⎬ sin2k+p+1 x dx ⎭ TI (299) = Γ(p + 1) p+3 +n Γ 2 ⎧ ⎡ ⎨ n−1 (−1)k−1 Γ p+1 + n − 2k 2 ⎣ sinp−2k x cos(2n − 2k + 1)x ⎩ 22k+1 Γ(p − 2k + 1) k=0 ⎤ p−1 Γ + n − 2k 2 + (−1)k 2k+2 sinp−2k−1 x sin(2n − 2k)x⎦ 2 Γ(p − 2k) ⎫ ⎬ (−1) Γ 2 − n + 2n sinp−2n+1 x dx ⎭ 2 Γ(p − 2n + 1) n p+3 GU (332)(5c) 164 Trigonometric Functions ⎧ ⎨ sinp+2 x sinp x sin 2nx dx = 2n 3. + 2.536 ⎩ p+2 n−1 (−1)k k=1 ⎫ ⎬ 4n2 − 22 4n2 − 42 . . . 4n2 − (2k)2 sin2k+p+2 x ⎭ (2k + 1)!(2k + p + 2) TI (303) ⎧ p n−1 ⎨ k−1 (−1) Γ 2 + n − 2k Γ(p + 1) sinp−2k x cos(2n − 2k)x = p 2k+1 ⎩ 2 Γ(p − 2k + 1) +n+1 Γ k=0 2 ⎫ p ⎬ k (−1) Γ 2 + n − 2k − 1 p−2k−1 − sin x sin(2n − 2k − 1)x ⎭ 22k+2 Γ(p − 2k) [p is not equal to − 2, −4, . . . , −2n] GU (332)(5c) 2.536 1. 2. 1 sin x cos ax dx = p+1 p p−1 x sin(a − 1)x dx sin x sin ax − p sin p GU (332)(6a) sinp x cos(2n + 1)x dx n 2 2 (2n + 1)2 − 32 . . . (2n + 1)2 − (2k − 1)2 sinp+1 x k (2n + 1) − 1 + (−1) = p+1 (2k)!(2k + p + 1) k=1 × sin2k+p+1 x TI (301) ⎧ ⎡ p+1 n−1 ⎨ k (−1) Γ 2 + n − 2k Γ(p + 1) ⎣ sinp−2k x sin(2n − 2k + 1)x = p+3 ⎩ 22k+1 Γ(p − 2k + 1) Γ 2 +n k=0 ⎤ (−1)k Γ p−1 + n − 2k 2 sinp−2k−1 x cos(2n − 2k)x⎦ + 22k+2 Γ(p − 2k) ⎫ ⎬ (−1) Γ 2 − n sinp−2n x cos x dx + 2n ⎭ 2 Γ(p − 2n + 1) n p+3 [p is not equal to −3, −5, . . . , −(2n + 1)] GU (332)(6c) 2.537 Sines and cosines of multiple angles and functions of the argument 165 sinp x cos 2nx dx 3. = p sin x dx + n 2 k 4n (−1) k=1 · 4n2 − 22 . . . 4n2 − (2k − 2)2 sin2k+p x dx (2k)! ⎧ ⎡ p n−1 Γ(p + 1) ⎨ ⎣ (−1)k Γ 2 + n − 2k sinp−2k x sin(2n − 2k)x = p 22k+1 Γ(p − 2k + 1) Γ 2 +n+1 ⎩ TI (300) k=0 ⎤ (−1)k Γ p2 + n − 2k − 1 sinp−2k−1 x cos(2n − 2k − 1)x⎦ + 22k+2 Γ(p − 2k) ⎫ ⎬ (−1)n Γ p2 − n + 1 p−2n sin x dx + ⎭ 22n Γ(p − 2n + 1) GU (332)(6c) 2.537 cosp x sin ax dx = 1. 2. 1 p+a − cosp x cos ax + p cosp−1 x sin(a − 1)x dx GU (332)(7a) cosp x sin(2n + 1)x dx ⎧ ⎨ cosp+1 x = (−1)n+1 ⎩ p+1 + n k=1 = ⎫ ⎬ 2 2 2 2 2 2 (2n + 1) − 1 (2n + 1) − 3 . . . (2n + 1) − (2k − 1) cos2k+p+1 x (−1)k ⎭ (2k)!(2k + p + 1) Γ(p + 1) p+3 +n Γ 2 ⎧ ⎨ ⎩ − n−1 k=0 p+1 TI (295) Γ 2 +n−k cosp−k x cos(2n − k + 1)x 22k+1 Γ(p − 2k + 1) ⎫ ⎬ Γ p+3 2 + n cosp−n x sin(n + 1)x dx ⎭ 2 Γ(p − n + 1) [p is not equal to − 3, −5, . . . , −(2n + 1)] GU (332)(7b)a 166 Trigonometric Functions ⎧ ⎨ cosp+2 x cosp x sin 2nx dx = (−1)n 3. + ⎩ p+2 n−1 (−1)k k=1 ⎫ ⎬ 4n2 − 22 4n2 − 42 . . . 4n2 − (2k)2 cos2k+p+2 x ⎭ (2k + 1)!(2k + p + 2) ⎧ ⎨ = 2.538 n−1 p TI (297) Γ 2 +n−k Γ(p + 1) cosp−k x cos(2n − k)x − p k+1 Γ(p − k + 1) ⎩ 2 +n+1 Γ k=0 2 ⎫ p ⎬ Γ 2 +1 + n cosp−n x sin nx dx ⎭ 2 Γ(p − n + 1) [p is not equal to − 2, −4, . . . , −2n] GU (332)(7b)a 2.538 1. cosp x cos ax dx = 2. 1 p+a cosp x sin ax + p cosp−1 x cos(a − 1)x dx cosp x cos(2n + 1)x dx = (−1)n (2n + 1) + n k=1 × (−1)k ⎧ ⎨ ⎩ GU (332)(8a) cosp+1 x dx (2n + 1)2 − 12 (2n + 1)2 − 32 . . . (2n + 1)2 − (2k − 1)2 (2k + 1)! ⎫ ⎬ cos2k+p+1 x dx ⎭ ⎧ p+1 n−1 Γ(p + 1) ⎨ Γ 2 + n − k cosp−k x sin(2n − k + 1)x = p+3 2k+1 Γ(p − k + 1) Γ 2 +n ⎩ TI (293) k=0 ⎫ ⎬ Γ p+3 2 cosp−n x cos(n + 1)x dx + n ⎭ 2 Γ(p − n + 1) GU (332)(8b)a 2.541 Sines and cosines of multiple angles and functions of the argument 167 cosp x cos 2nx dx 2 2 n 2 2 2 n p k 4n 4n − 2 . . . 4n − (2k − 2) 2k+p = (−1) (−1) x dx cos x dx + cos (2k)! 3. k=1 = ⎧ ⎨ n−1 TI (294) p Γ 2 +n−k Γ(p + 1) p cosp−k x sin(2n − k)x k+1 Γ(p − k + 1) Γ 2 + n + 1 ⎩ k=0 2 p + Γ 2 +1 2n Γ(p − n + 1) ⎫ ⎬ cosp−n x cos nx dx ⎭ GU (332)(8b)a 2.539 1. 2. 3. 4. 5. 6. 7. 8. 2.541 1. 2. sin 2kx sin(2n + 1)x dx = 2 +x sin x 2k n k=1 sin 2nx dx = 2 sin x n sin(2k − 1)x 2k − 1 k=1 GU (332)(5e) cos 2kx cos(2n + 1)x dx = 2 + ln sin x sin x 2k n k=1 cos 2nx dx = 2 sin x n k=1 x cos(2k − 1)x + ln tan 2k − 1 2 GI (332)(6e) cos 2kx sin(2n + 1)x dx = 2 + (−1)n+1 ln cos x (−1)n−k+1 cos x 2k n k=1 sin 2nx dx = 2 cos x n (−1)n−k+1 k=1 cos(2k − 1)x 2k − 1 GU (332)(7d) sin 2kx cos(2n + 1)x dx = 2 + (−1)n x (−1)n−k cos x 2k n k=1 cos 2nx dx = 2 cos x n (−1)n−k k=1 sin(2k − 1)x π x + (−1)n ln tan + . 2k − 1 4 2 GU (332)(8d) 1 sinn x sin nx n 1 sin(n + 1)x cosn−1 x dx = − cosn x cos nx n sin(n + 1)x sinn−1 x dx = BI (71)(1)a BI (71)(2)a 168 Trigonometric Functions 2.542 3. 4. 5. 6. 2.542 1 sinn x cos nx n 1 cos(n + 1)x cosn−1 x dx = cosn x sin nx n , + 1 π π − x sinn−1 x dx = sinn x cos n −x sin (n + 1) 2 n 2 , + π 1 π − x sinn−1 x dx = − sinn x sin n −x cos (n + 1) 2 n 2 cos(n + 1)x sinn−1 x dx = 1. 2. 2.543 1. 2. 2.544 For n = 2: sin 2x dx = 2 ln sin x sin2 x sin 2x dx 2 = cosn x (n − 2) cosn−2 x For n = 2: sin 2x dx = −2 ln cos x cos2 x 1. 2. 3. 4. 5. 6. 7. 8. 9. 2 sin 2x dx = − n sin x (n − 2) sinn−2 x cos 2x dx x = 2 cos x + ln tan sin x 2 cos 2x dx = − cot x − 2x sin2 x x cos x 3 cos 2x dx =− − ln tan 2 sin3 x 2 sin2 x 2 π x cos 2x dx = 2 sin x − ln tan + cos x 4 2 cos 2x dx = 2x − tan x cos2 x sin x 3 π x cos 2x dx =− + ln tan + cos3 x 2 cos2 x 2 4 2 sin 3x dx = x + sin 2x sin x sin 3x x dx = 3 ln tan + 4 cos x 2 2 sin x sin 3x dx = −3 cot x − 4x sin3 x BI (71)(3)a BI (71)(4)a BI (71)(5)a BI (71)(6)a 2.548 Sines and cosines of multiple angles and functions of the argument 169 2.545 sin 3x 4 1 1. dx = − n n−3 cos x (n − 3) cos x (n − 1) cosn−1 x For n = 1 and n = 3: sin 3x 2. dx = 2 sin2 x + ln cos x cos x sin 3x 1 3. dx = − − 4 ln cos x 3 cos x 2 cos2 x 2.546 cos 3x 1 4 1. − dx = n−3 sinn x (n − 3) sin x (n − 1) sinn−1 x For n = 1 and n = 3: cos 3x dx = −2 sin2 x + ln sin x 2. sin x cos 3x 1 3. dx = − − 4 ln sin x 3 sin x 2 sin2 x 2.547 1. 2. 3. 4. 2.548 1. (k − n)π x + sin 2n 2k + 1 sinm x dx 1 2(2n + 1) 2 = π ln (−1)n+k cosm k+n+1 x sin(2n + 1)x 2n + 1 2(2n + 1) k=0 π− sin (2n + 1) 2 2. 3. sin nx sin(n − 1)x dx sin(n − 2)x dx dx = 2 − p p−1 cos x cos x cosp x cos 3x dx = sin 2x − x cos x cos 3x π x dx = 4 sin x − 3 ln tan + 2 cos x 4 2 cos 3x dx = 4x − 3 tan x cos3 x (−1)n sin2m x dx = sin 2nx 2n ln cos x + n−1 (−1)k cos2m k=1 ⎧ (−1)n ⎨ π x sin2m+1 x dx = − ln tan ⎩ sin 2nx 2n 4 2 + n−1 (−1)k cos2m+1 k=1 kπ ln tan 2n [m a natural number ≤ 2n] kπ 2 kπ 2 ln cos x − sin 2n 2n TI (378) [m a natural number ≤ n] n+k x π− 4n 2 tan n−k x π− 4n 2 [m a natural number < n] TI (379) ⎫ ⎬ ⎭ 170 Trigonometric Functions 4. (−1) sin x dx π x = − + (−1)k ln tan cos(2n + 1)x 2n + 1 ⎩ 4 2 2m n+1 × cos2m 5. ⎧ ⎨ 2.549 n kπ 2n + 1 (−1)n+1 sin2m+1 x dx = cos(2n + 1)x 2n + 1 k=1 ln tan 2n + 2k + 1 x π− 4(2n + 1) 2 tan ⎫ ⎬ 2n − 2k + 1 x π− 2(2n + 1) 2 ⎭ [m a natural number ≤ n] ln cos x + n k (−1) cos 2m+1 k=1 TI (381) [m a natural number ≤ n] 2k − 2n + 1 x π+ sin 2n−1 2k + 1 1 sinm x dx 8n 2 = π ln (−1)n+k cosm 2k + 2n + 1 x cos 2nx 2n 4n k=0 π− sin 8n 2 TI (382)a 6. 7. 8. 1 cos2m+1 x dx = sin(2n + 1)x 2n + 1 [m a natural number < 2n] ln sin x + k=1 10. kπ kπ ln sin2 x − sin2 2n + 1 2n + 1 1 cos2m x dx x = ln tan sin(2n + 1)x 2n + 1 ⎩ 2 n (−1)k cos2m 1 cos2m+1 x dx = sin 2nx 2n 1 cos2m x dx = sin 2nx 2n ln tan x + 2 ln sin x + kπ 2n + 1 ln tan n−1 (−1)k cos2m+1 k=1 x kπ + 2 4n + 2 tan kπ x − 2 4n + 2 k=0 ⎭ TI (374) [m a natural number ≤ n] 2k + 1 x π+ sin 2k + 1 4n 2 π ln 2k + 1 x 2n π− sin 4n 2 TI (373) (−1)k cos2m k=1 [m is a natural number ≤ n] 2.549 π 2 S (x) 1. sin x dx = 2 ⎫ ⎬ [m a natural number < n] kπ kπ ln sin2 x − sin2 2n 2n n−1 n−1 1 cosm x dx = (−1)k cosm cos nx n TI (376) TI (375) [m a natural number ≤ n] x kπ x kπ kπ ln tan + − tan 2n 2 4 2 4n 11. TI (377) [m a natural number ≤ n] k=1 9. (−1)k cos2m+1 ⎧ ⎨ + n kπ kπ ln cos2 x − sin2 2n + 1 2n + 1 TI (372) 2.552 Rational functions of sine and cosine 2 2. cos x dx = 3. 11 π C (x) 2 sin ax2 + 2bx + c dx = cos ax2 + 2bx + c dx = 4.11 π 2a ac − b2 S cos a π 2a ac − b C a ax + b √ a 6. ac − b2 C + sin a ax + b √ a [a > 0] 2 cos ax + b √ a − sin ac − b2 S a ax + b √ a [a > 0] 5. 171 x (sin ln x − cos ln x) 2 x cos ln x dx = (sin ln x + cos ln x) 2 sin ln x dx = PE (444) PE (445) 2.55–2.56 Rational functions of the sine and cosine 2.551 1. ⎡ A + B sin x 1 ⎣ (Ab − aB) cos x n dx = (n − 1) (a2 − b2 ) (a + b sin x)n−1 (a + b sin x) + ⎤ (Aa − Bb)(n − 1) + (aB − bA)(n − 2) sin x n−1 (a + b sin x) dx⎦ TI (358)a 2. 3. 2.552 1. 2. For n = 1: B Ab − aB A + B sin x dx dx = x + a + b sin x b b a + b sin x a tan x2 + b 2 dx =√ arctan √ a + b sin x a2 − b 2 a2 − b2√ x a tan 2 + b − b2 − a2 1 =√ ln b2 − a2 a tan x + b + b2 − a2 2 (see 2.551 3) a2 > b 2 a2 < b 2 TI (342) B dx A + B cos x n dx = − n n−1 + A (a + b sin x) (a + b sin x) (n − 1)b (a + b sin x) (see 2.552 3) TI (361) (see 2.551 3) TI (344) For n = 1: B dx A + B cos x dx = ln (a + b sin x) + A a + b sin x b a + b sin x 172 Trigonometric Functions 3. 2.553 ⎡ b cos x dx 1 ⎣ n = (n − 1) (a2 − b2 ) (a + b sin x)n−1 (a + b sin x) ⎤ (n − 1)a − (n − 2)b sin x ⎦ + dx n−1 (a + b sin x) (see 2.551 1) TI (359) 2.553 1. B dx A + B sin x dx = + A n n n−1 (a + b cos x) (a + b cos x) (n − 1)b (a + b cos x) (see 2.554 3) 2. 3.∗ For n = 1: B dx A + B sin x dx = − ln (a + b cos x) + A a + b cos x b a + b cos x 2.554 1. TI (355) (see 2.553 3∗ ) dx a + b cos x (a − b) tan x2 2 √ arctan =√ a2 − b 2 a2 − b 2 ! ! ! (b − a) tan x + √b2 − ba ! 2 ! ! x2 √ =√ ln ! ! 2 2 2 a ! a −b (b − a) tan 2 − b − b ! (a − b) tan x2 2 √ =√ arctanh b 2 − a2 b 2 − a2 (a − b) tan x2 2 √ =√ arccoth b 2 − a2 b 2 − a2 a2 > b 2 b 2 > a2 ! , x !! 2 ! ! < b − a2 !(b − a) tan 2 ! + , x !! 2 ! b2 > a2 , !(b − a) tan ! > b − a2 2 (compare with 2.551 3) + b 2 > a2 , ⎡ A + B cos x 1 ⎣ (aB − Ab) sin x n dx = (n − 1) (a2 − b2 ) (a + b cos x)n−1 (a + b cos x) + TI (343) (Aa − bB)(n − 1) + (n − 2)(aB − bA) cos x n−1 (a + b cos x) ⎤ dx⎦ TI (353) 2.557 2. 3. Rational functions of sine and cosine 173 For n = 1: B Ab − aB A + B cos x dx dx = x + (see 2.553 3) a + b cos x b b a + b cos x ⎧ ⎨ b sin x 1 dx n =− 2 2 (n − 1) (a − b ) ⎩ (a + b cos x)n−1 (a + b cos x) ⎫ (n − 1)a − (n − 2)b cos x ⎬ − dx (see 2.554 1) n−1 ⎭ (a + b cos x) TI (341) TI (354) In integrating the functions in formulas 2.551 3 and 2.553 3, we may not take the integration over points a in formula 2.551 3 or at which the integrand becomes infinite, that is, over the points x = arcsin − b a over the points x = arccos − in formula 2.553 3. b 2.555 Formulas 2.551 3 and 2.553 3 are not applicable for a2 = b2 . Instead, we may use the following formulas in these cases: n−2 n − 2 tan2k+1 π ∓ x A + B sin x 1 4 2 1. 2B n dx = − n−1 k 2 2k + 1 (1 ± sin x) k=0 π x n−1 2k+1 n − 1 tan 4 ∓ 2 ± (A ∓ B) k 2k + 1 k=0 2. A + B cos x 1 n dx = n−1 2 (1 ± cos x) 2B ± (A ∓ B) TI (361)a n−2 n−2 k k=0 n−1 n−1 k k=0 2k+1 π π x ∓ 4−2 2k + 1 tan2k+1 π4 ∓ π4 − x2 2k + 1 tan 4 TI (356) 3.11 4. For n = 1 : π x A + B sin x dx = ±Bx + (B ∓ A) tan ∓ 1 ± sin x 4 2 + π π x , A + B cos x dx = ±Bx ± (A ∓ B) tan ∓ − 1 ± cos x 4 4 2 2.556 1. 2. 2.557 1. 1 − a2 dx = 2 arctan 1 − 2a cos x + a2 1+a x tan 1−a 2 (1 − a cos x) dx x = + arctan 1 − 2a cos x + a2 2 1+a x tan 1−a 2 1 dx n = n 2 (a cos x + b sin x) (a + b2 ) TI (250) TI (248) [0 < a < 1, |x| < π] FI II 93 [0 < a < 1, |x| < π] FI II 93 dx sin n a b (see 2.515) x + arctan MZ 173a 174 Trigonometric Functions 2.558 ax − b ln sin x + arctan ab sin x dx = a sin x + b cos x a2 + b 2 ax + b ln sin x + arctan ab cos x dx = a cos x + b sin x a2 + b 2 1 ln tan 2 x + arctan ab dx √ = a cos x + b sin x a2 + b 2 cot x + arctan ab 1 a sin x − b cos x dx =+ 2 · 2 =− 2 + b2 2 a cos x + b sin x a a + b (a cos x + b sin x) 2. 6 3. 4. 5. MZ 174a MZ 174a 2.558 A + B cos x + C sin x 1. n dx (a + b cos x + c sin x) (Bc − Cb) + (Ac − Ca) cos x − (Ab − Ba) sin x 1 = n−1 + (n − 1) (a2 − b2 − c2 ) 2 2 2 (n − 1) (a − b − c ) (a + b cos x + c sin x) (n − 1)(Aa − Bb − Cc) − (n − 2) [(Ab − Ba) cos x − (Ac − Ca) sin x] × dx n−1 (a + b cos x + c sin x) n = 1, a2 = b2 + c2 A n(Bb + Cc) Cb − Bc + Ca cos x − Ba sin x + = (−c cos x + b sin x) n + a (n − 1)a2 (n − 1)a (a + b cos x + c sin x) n−1 1 (n − 1)! (2n − 2k − 3)!! · × n−k k (2n − 1)!! (n − k − 1)!a (a + b cos x + c sin x) k=0 n = 1, a2 = b2 + c2 11 2. For n = 1 : A + B cos x + C sin x Bc − Cb Bb + Cc dx = 2 ln (a + b cos x + c sin x) + 2 x a + b cos x + c sin x b + c2 b + c2 dx Bb + Cc a + A− 2 2 b +c a + b cos x + c sin x 3. 4. (see 2.558 4) GU (331)(18) dx d(x − α) n = n, (a + b cos x + c sin x) [a + r cos(x − α)] where b = r cos α, c = r sin α (see 2.554 3) dx a + b cos x + c sin x (a − b) tan x2 + c 2 arctan √ a2 − b 2 − c 2 a2 − b 2 − c 2 √ (a − b) tan x2 + c − b2 + c2 − a2 1 =√ ln b2 + c2 − a2 (a − b) tan x + c + b2 + c2 − a2 2 x 1 = ln a + c · tan c 2 −2 = x c + (a − b) tan 2 =√ a2 > b 2 + c 2 a2 < b 2 + c 2 TI (253), FI II 94 TI (253)a [a = b] a2 = b 2 + c 2 TI (253)a 2.561 Rational functions of sine and cosine c (a sin x − c cos x) x 1 2 = c3 a (1 + cos x) + c sin x − a ln a + c tan 2 [a (1 + cos x) + c sin x] A + B cos x + C sin x dx (a1 + b1 cos x + c1 sin x) (a2 + b2 cos x+ c2 sin x) a1 + b1 cos x + c1 sin x dx dx = A0 ln + A1 + A2 a2 + b2 cos x + c + 2 sin x a1 + b1 cos x + c1 sin x a2 + b2 cos x + c2 sin x GU (331)(19) (see 2.558 4) 2.559 1. 2. 175 dx where ! ! !A B C! ! ! !a1 b1 c1 ! ! ! !a2 b2 c2 ! A0 = ! ! ! ! , ! ! !a1 b1 !2 !b1 c1 !2 !c1 a1 !2 ! ! −! ! +! ! !a2 b2 ! !b2 c2 ! !c2 a2 ! ! ! ! ! !! !! !! C B ! ! C A ! ! A B !! ! ! ! ! !! !! !!c2 b2 ! !c2 a2 ! !a2 b2 !! ! ! ! a1 b1 c1 !! ! ! a2 b2 c2 ! A2 = ! !2 ! !2 ! !2 , !a1 b1 ! ! ! ! ! ! ! − !b1 c1 ! + !c1 a1 ! !a2 b2 ! !b2 c2 ! !c2 a2 ! 3. ! ! ! ! !! !! !! B C ! ! A C ! ! B A !! ! ! ! ! !! !! !!b1 c1 ! !a1 c1 ! !b1 a1 !! ! ! ! a1 b1 c1 !! ! ! a2 b2 c2 ! A1 = ! !2 ! !2 ! !2 , ! a1 b 1 ! ! ! ! ! ! ! − ! b 1 c 1 ! + ! c 1 a1 ! ! a2 b 2 ! ! b 2 c2 ! ! c 2 a2 ! %! ! a1 ! ! a2 !2 ! !c b1 !! + !! 1 b2 ! c2 !2 ! !b a1 !! = !! 1 a2 ! b2 !2 & c1 !! c2 ! A cos2 x + 2B sin x cos x + C sin2 x dx a cos2 x + 2b sin x cos x + c sin2 x ⎧ ⎨ 1 = 2 [4Bb + (A − C)(a − c)]x + [(A − C)b − B(a − c)] 4b + (a − c)2 ⎩ × ln a cos2 x + 2b sin x cos x + c sin2 x ⎫ ⎬ + 2(A + C)b2 − 2Bb(a + c) + (aC − Ac)(a − c) f (x) ⎭ where √ 1 c tan x + b − b2 − ac √ f (x) = √ ln 2 b2 − ac c tan x + b + b2 − ac c tan x + b 1 arctan √ =√ 2 ac − b ac − b2 1 =− c tan x + b GU (331)(24) b2 > ac b2 < ac b2 = ac 2.561 A x Ba − Ab dx (A + B sin x) dx = ln tan + 1. sin x (a + b sin x) a 2 a a + b sin x (see 2.551 3) TI (348) 176 Trigonometric Functions 2. 2.561 A a + b cos x (A + B sin x) dx x = a ln tan + b ln 2 sin x (a + b cos x) a2 − b 2 sin x dx +B a + b cos x (see 2.553 3) TI (349) 3. 4. 5. 2 2 2 2 For a = b (= 1) : A 1 (A + B sin x) dx x x = ln tan + + B tan sin x (a + b cos x) 2 2 1 + cos x 2 (A + B sin x) dx A 1 x x = ln tan − − B cot sin x (1 − cos x) 2 2 1 − cos x 2 (A + B sin x) dx 1 a + b sin x π x = 2 + − (Ab − aB) ln (Aa − Bb) ln tan cos x (a + b sin x) a − b2 4 2 cos x TI (346) 6. 7. For a = b (= 1): π x A±B (A + B sin x) dx A∓B = ln tan + ∓ cos x (1 ± sin x) 2 4 2 2 (1 ± sin x) A B a + b cos x π x (A + B sin x) dx = ln tan + + ln cos x (a + b cos x) a 4 2 a cos x Ab dx − a a + b cos x 8. 9. 10. 11. A x B a + b sin x Ab (A + B cos x) dx = ln tan − ln − sin x (a + b sin x) a 2 a sin x a (see 2.553 3) TI (351)a dx a + b sin x (see 2.551 3) 1 (A + B cos x) dx = 2 sin x (a + b cos x) a − b2 (Aa − Bb) ln tan a + b cos x x + (Ab − Ba) ln 2 sin x (see 2.551 3) 13. TI (352) TI (345) For a2 = b2 (= 1) : A∓B A±B x (A + B cos x) dx =± + ln tan sin x (1 ± cos x) 2 (1 ± cos x) 2 2 A a + b sin x (A + B cos x) dx π x dx = 2 + − b ln a ln tan + B 2 cos x (a + b sin x) a −b 4 2 cos x a + b sin x 2 12. TI (350) 2 For a = b (= 1): A±B π x A∓B (A + B sin x) dx = ln tan + ∓ cos x (1 ± sin x) 2 4 2 2 (1 ± sin x) π x A (A + B cos x) dx Ba − Ab dx = ln tan + + cos x (a + b cos x) a 4 2 a a + b cos x (see 2.553 3) TI (347) 2.563 2.562 Rational functions of sine and cosine 1. 2. a+b tan x a sign a a+b tan x = arctanh − a −a(a + b) a+b sign a tan x arccoth − = a −a(a + b) dx sign a arctan = a + b sin2 x a(a + b) − sign a dx = arctan 2 a + b cos x a(a + b) 4. 5. 6. 2.563 b > −1 a b < −1, a a sin x < − b b < −1, a a sin x > − b 2 2 MZ 155 b > −1 a b < −1, a a cos x < − b b < −1, a cos2 x > − 2 a b MZ 162 √ dx 1 2 tan x = √ arctan 1 + sin2 x 2 dx = tan x 1 − sin2 x √ dx 1 = − √ arctan 2 cot x 2 1 + cos x 2 dx = − cot x 1 − cos2 x 1 b sin x cos x dx + (2a + b) 2 = 2a(a + b) a + b sin2 x a + b sin2 x a + b sin2 x (2a + b) 1. 2. a+b cot x a − sign a a+b = cot x arctanh − a −a(a + b) − sign a a+b cot x = arccoth − a −a(a + b) 3. 177 dx dx 2 (a + b cos2 x) = 1 2a(a + b) (see 2.562 1) b sin x cos x dx − a + b cos2 x a + b cos2 x MZ 155 (see 2.562 2) MZ 163 178 Trigonometric Functions ⎡ 3. 2 1 ⎣ 3 3+ 2 + 4 3 = 3 8pa p p a + b sin x dx 2 3 2 + 3+ 2 − 4 p p + b q 2 = −1 − > 0, a 3 2 3− 2 − 4 q q a sin x < − ; b 2 arctan (p tan x) ⎤ p tan x + 1 + p2 tan2 x ⎡ 1 ⎣ 2 3 = 3− 2 + 4 3 8qa q q 4. 2.564 1 2 1 − 2 − 2 tan2 x p p 2p tan x 2 ⎦ 1 + p2 tan2 x b p2 = 1 + > 0 a arctanh (q tan x) ⎤ q tan x 1 2 + 1 + 2 + 2 tan2 x q q 1 − q 2 tan2 x 2q tan x 2 ⎦ 1 − q 2 tan2 x a for sin x > − , change arctanh (q tan x) to arccoth (q tan x) b MZ 156 ⎡ dx 3 (a + b cos2 x) =− + 2 1 ⎣ 3 3+ 2 + 4 8pa3 p p 3 2 3+ 2 − 4 p p arctan (p cot x) ⎤ p cot x 1 2 + 1 − 2 − 2 cot2 x 2 2 p p 1 + p cot x ⎡ =− + b q 2 = −1 − > 0, a 1 ⎣ 2 3 3− 2 + 4 8qa3 q q 3 2 3− 2 − 4 q q a cos x < − ; b 2 2 2p cot x 2 ⎦ 1 + p2 cot2 x b 2 p =1+ >0 a arctanh (q cot x) ⎤ q cot x 2 1 + 1 + 2 + 2 cot2 x q q 1 − q 2 cot2 x 2p cot x 2 ⎦ 1 − q 2 cot2 x a for cos x > − , change arctanh (q cot x) to arccoth (q cot x) b 2 MZ 163a 2.564 ln cos2 x + m2 sin2 x tan x dx = 1. 2 (m2 − 1) 1 + m2 tan2 x tan α − tan x dx = sin 2α ln sin(x + α) − x cos 2α 2. tan α + tan x 1 tan x dx = 2 3. {bx − a ln (a cos x + b sin x)} a + b tan x a + b2 % & b b dx 1 x− arctan tan x 4. = a−b a a a + b tan2 x LA 210 (10) LA 210 (11)a PE (335) PE (334) 2.571 Integrals with 2.57 Integrals containing √ a ± b sin x or √ a ± b cos x 179 √ √ a ± b sin x or a ± b cos x Notation: α = arcsin γ = arcsin 2.571 1. 2. 3. b (1 − sin x) , a+b . (a + b) (1 − cos x) δ = arcsin , 2 (a − b cos x) β = arcsin b (1 − cos x) , a+b dx −2 √ =√ F (α, r) a + b sin x a + b 1 2 F β, =− b r + a > b > 0, + 0 < |a| < b, r= 2b a+b π, π ≤x< 2 2 π, a − arcsin < x < b 2 − BY (288.00, 288.50) sin x dx √ a + b sin x √ + π π, 2a 2 a+b a > b > 0, − ≤ x < BY (288.03) E (α, r) = √ F (α, r) − 2 2 b b a+b + a π, 2 1 1 0 < |a| < b, − arcsin < x < BY (288.54) = F β, − 2 E β, b 2 b r r √ √ 2 2a2 + b2 sin2 x dx 4a a + b 2 √ √ cos x a + b sin x E (α, r) − = F (α, r) − 2 2 3b 3b + a + b sin x 3b a + b π π, a > b > 0, − ≤ x < 2 2 √ 1 1 2 4a 2a + b 2 E β, F β, cos x a + b sin x = − − b 3b r 3b r + 3b π, a 0 < |a| < b, − arcsin < x < b 2 4. 5. 1 − sin x , 2 BY (288.03, 288.54) dx 2 x √ ,r =√ F 2 a + b cos x a + b 1 2 = F γ, b r [a > b > 0, + b ≥ |a| > 0, 0 ≤ x ≤ π] 0 ≤ x < arccos − a , b BY (289.00) dx 2 √ =√ F (δ, r) a − b cos x a+b [a > b > 0, 0 ≤ x ≤ π] BY (291.00) 180 Trigonometric Functions 6. cos x dx 2 √ = √ (a + b) E a + b cos x b a + b x ,r − aF 2 2.572 x ,r 2 0 ≤ x ≤ π] [a > b > 0, = 2 b 2E 1 γ, r −F 1 γ, r BY (289.03) + b > |a| > 0, 0 ≤ x < arccos − a , b BY (290.04) 7.6 8. cos x dx 2 √ = √ (b − a) Π δ, r2 , r + a F (δ, r) a − b cos x b a+b BY (291.03) [a > b > 0, 0 ≤ x ≤ π] 2 √ 2 x 2 x cos x dx 2 √ 2a + b2 F , r − 2a(a + b) E ,r sin x a + b cos x + = 2√ 2 2 3b a + b cos x 3b a + b [a > b > 0, 0 ≤ x ≤ π] 1 = 3b 2 b (2a + b) F 1 γ, r − 4a E 1 γ, +r √ 2 sin x a + b cos x + 3b b ≥ |a| > 0, BY (289.03) 0 ≤ x < arccos − a , b BY (290.04) 9. 2 cos2 x dx 2 √ = 2√ 2a + b2 F (δ, r) − 2a(a + b) E (δ, r) a − b cos x 3b a + b a + b cos x 2 + sin x √ [a > b > 0, ] 3b a − b cos x BY (291.04)a 2.572 tan2 x dx √ a + b sin x a 1 √ F (α, r) + E (α, r) =√ a+b (a − b) a + b b − a sin x √ − 2 a + b sin x 2 (a − b ) cos x 2a + b 1 2 1 ab F β, E β, = + 2 b 2(a + b) r a − b2 r √ b − a sin x a + b sin x − 2 (a − b2 ) cos x + π, π 0 < b < a, − < x < 2 2 + 0 < |a| < b, − arcsin π, a <x< b 2 BY(288.08, 288.58) 2.573 1. 1 − sin x dx 2 ·√ = 1 + sin x a + b sin x a − b √ ⎫ ⎬ √ π x − a + b E (α, r) − tan a + b sin x ⎭ 4 2 + π π, 0 < b < a, − ≤ x < 2 2 BY (288.07) 2.575 Integrals with 2. 2.574 (2 − 2. a ± b sin x or √ a ± b cos x p2 + p2 dx 1 √ Π α, p2 , r =− a+b sin x) a + b sin x + 0 < b < a, dx 1 √ =− a+b (a + b − p2 b + p2 b sin x) a + b sin x π, π ≤x< 2 2 2 1 Π β, p2 , b + r − arcsin π, a <x< b 2 BY (288.52) (2 − p2 + p2 dx 1 x 2 √ ,p ,r =√ Π 2 cos x) a + b cos x a+b 4. − BY (289.07) BY (288.02) 0 < |a| < b, 3. 181 √ 1 − cos x dx x√ x 2 a+b 2 √ tan E ,r a + b cos x − = 1 + cos x a + b cos x a − b 2 a−b 2 [a > b > 0, 0 ≤ x < π] 1. √ √ dx (a + b − p2 b + p2 b cos x) √ a + b cos x = [a > b > 0, 2 1 √ Π γ, p2 , r (a + b) b + b ≥ |a| > 0, 0 ≤ x < π] BY (289.02) 0 ≤ x < arccos − a , b BY (290.02) 2.575 1. 2b cos x dx 2 < √ √ = 2 E (α, r) − 2 ) a + b sin x 3 a+b (a − b (a − b) + (a + b sin x) 0 < b < a, = 2 b 2b E b 2 − a2 1 β, r 1 F − a+b 1 β, +r − π, π ≤x< 2 2 BY (288.05) cos x 2b ·√ + 2 b − a2 a + b sin x π, a 0 < |a| < b, − arcsin < x < b 2 BY (288.56) 182 Trigonometric Functions 2. 2.575 2 dx 2 < a − b2 F (α, r) − 4a(a + b) E (α, r) = 2√ 2 2 5 3 (a − b ) a + b (a + b sin x) 2b 5a2 − b2 + 4ab sin x < + cos x 2 3 3 (a2 − b2 ) (a + b sin x) + π π, 0 < b < a, − ≤ x < 2 2 BY (288.05) 2 1 1 1 =− (3a − b)(a − b) F β, + 8ab E β, 2 2 2 b r r 3 (a − b ) 2b a2 − b2 + 4a (a + b sin x) < + cos x 2 3 3 (a2 − b2 ) (a + b sin x) + 0 < |a| < b, − arcsin a π, <x< b 2 BY (288.56) 3. dx 2 < √ = E 3 (a − b) a + b (a + b cos x) 1 = 2 a − b2 2 b 2b sin x x ,r − 2 ·√ 2 2 a −b a + b cos x (a − b) F [a > b > 0, 1 γ, r 0 ≤ x ≤ π] BY (289.05) sin x 2b ·√ + 2b E + 2 2 b − a a + b cos x , + a b ≥ |a| > 0, 0 ≤ x < arccos − b 1 γ, r BY (290.06) 4. dx 2 < √ = E (δ, r) 3 (a − b) a + b (a − b cos x) [a > b > 0, 0 ≤ x ≤ π] (291.01) 2.578 Integrals with √ 2 a+b dx − a ± b sin x or 4a E < = 2 5 3 (a2 − b2 ) (a + b cos x) 5. √ 2b 2 3 (a2 − b2 ) · √ a ± b cos x 183 x ,r 2 x , r − (a − b) F 2 5a2 − b2 + 4ab cos x < sin x 3 (a + b cos x) [a > b > 0, = 1 3 (a2 − b2 ) + 2 2 b (a − b)(3a − b) F 2b 5a2 − b2 + 4ab cos x sin x < 2 3 3 (ab − b2 ) (a + b cos x) γ, 1 r + 8ab E + b ≥ |a| > 0, γ, 1 r 0 ≤ x ≤ π] BY (289.05) 0 ≤ x < arccos − a , b BY (290.06) 2.576 1. √ √ a + b cos x dx = 2 a + b E = 2 b x ,r 2 (a − b) F [a > b > 0, 1 γ, r + 2b E 1 γ, r+ 0 ≤ x ≤ π] BY (289.01) b ≥ |a| > 0, 0 ≤ x < arccos − a , b BY (290.03) 2. 2.577 1. 3 √ √ 2b sin x a − b cos x dx = 2 a + b E (δ, r) − √ a − b cos x [a > b > 0, 0 ≤ x ≤ π] √ 2(a − b) a − b cos x 2ap √ dx = ,r Π δ, 1 + p cos x (a + b)(1 + p) (1 + p) a + b [a > b > 0, 0 ≤ x ≤ π, . 2.3 2(a − b) a − b cos x dx = Π δ, −r2 , 1 + p cos x (1 + p)(a + b) . 2(ap + b) (1 + p)(a + b) 2.578 tan x dx 1 √ arccos =√ 2 b −a a + b tan x √ b−a √ cos x b [b > a, p = −1] BY (291.02) [a > b > 0, BY (291.05) 0 ≤ x ≤ π, b > 0] p = −1] PE (333) 184 Trigonometric Functions 2.580 2.58–2.62 Integrals reducible to elliptic and pseudo-elliptic integrals 2.580 , + dϕ dψ c √ 1. =2 ϕ = 2ψ + α, tan α = , p = b2 + c2 b a + b cos ϕ + c sin ϕ a − p + 2p cos2 ψ dx dϕ =2 √ 2. 2 2 A + Bx + Cx2 − Dx3 + Ex4 a + b cos ϕ + c sin ϕ + d cos ϕ + e sin ϕ cos ϕ + f sin ϕ + , ϕ tan = x, A = a + b + d, B = 2c + 2e, C = 2a − 2d + 4f, D = 2c − 2e, E = a − b + d 2 Forms containing 1 − k2 sin2 x √ Notation: Δ = 1 − k 2 sin2 x, k = 1 − k 2 2.581 1. sinm x cosn xΔr dx ⎧ ⎨ 1 sinm−3 x cosn+1 xΔr+2 + (m + n − 2) + (m + r − 1)k 2 2 (m + n + r)k ⎩ ⎫ ⎬ × sinm−2 x cosn xΔr dx − (m − 3) sinm−4 x cosn xΔr dx ⎭ ⎧ ⎨ , + 1 m+1 n−3 r+2 2 2 = x cos xΔ + (n + r − 1)k − (m + n − 2)k sin (m + n + r)k2 ⎩ ⎫ ⎬ 2 sinm x cosn−4 xΔr dx × sinm x cosn−2 xΔr dx + (n − 3)k ⎭ = [m + n + r = 0] 2. 3. 4. 5. For r = −3 and r = −5: sinm x cosn x sinm−1 x cosn−1 x dx = 3 Δ k 2Δ n − 1 sinm x cosn−2 x m − 1 sinm−2 x cosn x dx + dx − 2 k Δ k2 Δ sinm x cosn x sinm−1 x cosn−1 x dx = Δ5 3k 2Δ3 m − 1 sinm−2 x cosn x n − 1 sinm x cosn−2 x − dx + dx 3k 2 Δ3 3k 2 Δ3 For m = 1 or n = 1: 2 cosn−1 xΔr+2 (n − 1)k cosn−2 x sin xΔr dx − sin x cosn xΔr dx = − (n + r + 1)k 2 (n + r + 1)k 2 sinm−1 xΔr+2 m−1 m r sin x cos xΔ dx = − + sinm−2 x cos xΔr dx (m + r + 1)k 2 (m + r + 1)k 2 For m = 3 or n = 3: 2.583 Elliptic and pseudo-elliptic integrals (n + r + 1)k 2 cos2 x − (r + 2)k2 + n + 1 sin x cos xΔ dx = cosn−1 xΔr+2 4 (n + r + 1)(n + r + 3)k 2 (r + 2)k 2 + n + 1 (n − 1)k − cosn−2 x sin xΔr dx (n + r + 1)(n + r + 3)k 4 3 6. 185 n r sinm x cos3 xΔr dx 7. = , + 2 (m + r + 1)k 2 sin2 x − (r + 2)k2 − (m + 1)k (m + r + 1)(m++ r + 3)k 4 , 2 (r + 2)k2 − (m − 1)k (m − 1) × sinm−1 xnm−1 xΔr+2 + sinm−2 x cos xΔr dx (m + r + 1)(m + r + 3)k 4 2.582 n−1 n−2 2 − k2 1 − k2 Δn−2 dx − Δn−4 dx 1. Δn dx = n n k2 + sin x cos x · Δn−2 n 2. 3. n−3 1 dx − Δn−1 n − 1 k 2 sinn−3 x sinn x n − 2 1 + k 2 sinn−2 x dx = dx cos x · Δ + Δ (n − 1)k 2 n − 1 k2 Δ n−3 sinn−4 x dx − (n − 1)k2 Δ 4. 5. 6. dx k2 sin x cos x n−22−k =− + n+1 Δ n − 1 k 2 (n − 1)k 2 Δn−1 2 cosn−3 x cosn x n − 2 2k 2 − 1 dx = sin x · Δ + 2 Δ (n − 1)k n − 1 k2 2 n−4 cos x n−3k dx + 2 n−1 k Δ (n − 2) 2 − k tann−3 x Δ tann x dx = 2 cos2 x − Δ (n − 1)k (n − 1)k 2 n−3 tann−4 x − dx 2 Δ (n − 1)k cotn−1 x Δ n−2 cotn x dx = − − 2 − k2 2 Δ n − 1 cos x n − 1 n − 3 2 cotn−4 x k dx − n−1 Δ LA (316)(1)a dx Δn−3 LA 317(8)a LA 316(1)a cosn−2 x dx Δ 2 LA 316(2)a tann−2 x dx Δ LA 317(3) cotn−2 x dx Δ LA 317(6) 2.583 1. Δ dx = E (x, k) 186 Trigonometric Functions 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. Δ cos x k − ln (k cos x + Δ) 2 2k Δ sin x 1 Δ cos x dx = + arcsin (k sin x) 2 2k 2 k Δ 2k 2 − 1 Δ sin2 x dx = − sin x cos x + 2 F (x, k) + E (x, k) 3 3k 3k 2 Δ3 Δ sin x cos x dx = − 2 3k 2 k Δ k2 + 1 sin x cos x − 2 F (x, k) + Δ cos2 x dx = E (x, k) 3 3k 3k 2 2k 2 sin2 x + 3k 2 − 1 3k 4 − 2k 2 − 1 Δ sin3 x dx = − Δ cos x + ln (k cos x + Δ) 2 8k 8k 3 2k 2 sin2 x − 1 1 Δ sin2 x cos x dx = Δ sin x + 3 arcsin (k sin x) 2 8k 8k 4 2 2 2 2k cos x + k k Δ sin x cos2 x dx = − Δ cos x + 3 ln (k cos x + Δ) 2 8k 8k 2 2 2 2 2k cos x + 2k + 1 4k − 1 Δ cos3 x dx = Δ sin x + arcsin (k sin x) 2 8k 8k 3 3k 2 sin2 x + 4k 2 − 1 Δ sin4 x dx = − Δ sin x cos x 4 15k2 2 2 2k − k − 1 8k 4 − 3k 2 − 2 − F (x, k) + E (x, k) 4 15k 15k 4 3k 4 sin4 x − k 2 sin2 x − 2 Δ Δ sin3 x cos x dx = 15k 4 3k 2 cos2 x − 2k 2 + 1 Δ sin2 x cos2 x dx = − Δ sin x cos x 15k 2 2 2 k 1 + k 2 k4 − k2 + 1 F (x, k) + E (x, k) − 15k 4 15k 4 3k 4 sin4 x − k 2 5k 2 + 1 sin2 x + 5k 2 − 2 3 Δ sin x cos x dx = − Δ 15k 4 3k2 cos2 x + 3k 2 + 1 Δ cos4 x dx = Δ sin x cos x 15k 2 2 2 2k k − 2k 2 3k 4 + 7k 2 − 2 F (x, k) + E (x, k) + 15k 4 15k 4 −8k 4 sin4 x − 2k 2 5k 2 − 1 sin2 x − 15k 4 + 4k 2 + 3 Δ sin5 x dx = Δ cos x 48k 4 6 4 2 5k − 3k − k − 1 ln (k cos x + Δ) + 16k 5 8k 4 sin4 x − 2k 2 sin2 x − 3 1 Δ sin x + arcsin (k sin x) Δ sin4 x cos x dx = 4 48k 16k 5 2 Δ sin x dx = − 2.583 2.583 Elliptic and pseudo-elliptic integrals 8k4 sin4 x − 2k 2 k 2 + 1 sin2 x − 3k 4 + 2k 2 − 3 Δ sin x cos x dx = Δ cos x 48k 4 4 k k2 + 1 + ln (k cos x + Δ) 16k 5 −8k 4 sin4 x + 2k 2 6k 2 + 1 sin2 x − 6k 2 + 3 2 3 Δ sin x Δ sin x cos x dx = 48k 4 2 2k − 1 arcsin (k sin x) + 16k 5 −8k 4 sin4 x + 2k 2 7k 2 + 1 sin2 x − 3k 4 − 8k 2 + 3 4 Δ cos x Δ sin x cos x dx = 48k 4 6 k ln (k cos x + Δ) − 16k 5 8k4 sin4 x − 2k 2 12k 2 + 1 sin2 x + 24k 4 + 12k 2 − 3 5 Δ sin x Δ cos x dx = 48k 4 4 2 8k − 4k + 1 arcsin (k sin x) + 16k 5 2 k k2 2 2 Δ3 dx = F (x, F ) + Δ sin x cos x 1 + k E (x, k) − 3 3 3 4 2 2 2 3k 2k sin x + 3k − 5 Δ cos x − ln (k cos x + Δ) Δ3 sin x dx = 8 8k 3 −2k 2 sin2 x + 5 Δ3 cos x dx = Δ sin x + arcsin (k sin x) 8 8k 2 k 3 − 4k2 3k2 sin2 x + 4k 2 − 6 2 3 Δ sin x dx = Δ sin x cos x + F (x, k) 15 15k 2 4 2 8k − 13k + 3 E (x, k) − 15k 2 Δ5 Δ3 sin x cos x dx = − 2 5k 2 2 k k2 + 3 −3k sin2 x + k 2 + 5 3 2 Δ sin x cos x − Δ cos x dx = F (x, k) 15 15k 2 4 2 2k − 7k − 3 E (x, k) − 15k 2 8k4 sin4 x + 2k 2 5k 2 − 7 sin2 x + 15k 4 − 22k 2 + 3 3 3 Δ cos x Δ sin x dx = 48k 2 6 4 2 5k − 9k + 3k + 1 ln (k cos x + Δ) − 16k 3 −8k 4 sin4 x + 14k 2 sin2 x − 3 Δ3 sin2 x cos x dx = Δ sin x 48k 2 1 + arcsin (k sin x) 16k 3 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 3 2 187 188 Trigonometric Functions −8k 4 sin4 x + 2k 2 k 2 + 7 sin2 x + 3k 4 − 8k2 − 3 Δ sin x cos x dx = 48k 2 6 k ×Δ cos x + ln (k cos x + Δ) 16k 3 8k4 sin4 x − 2k 2 6k 2 + 7 sin2 x + 30k 2 + 3 3 3 Δ sin x Δ cos x dx = 48k 2 2 6k − 1 arcsin (k sin x) + 16k 3 1 Δ + cos x Δ dx = − ln + k ln k (k cos x + Δ) sin x 2 Δ − cos x Δ dx k Δ + k sin x = ln + k arcsin (k sin x) cos x 2 Δ − k sin x Δ dx 2 = k F (x, k) − E (x, k) − Δ cot x sin2 x 1 1 − Δ k Δ + k Δ dx = ln + ln sin x cos x 2 1+Δ 2 Δ − k Δ dx = F (x, k) − E (x, k) + Δ tan x cos2 x sin x k Δ + k Δ dx = Δ tan x dx = −Δ + ln cos x 2 Δ − k 1 1−Δ cos x Δ dx = Δ cot x dx = Δ + ln sin x 2 1+Δ 2 Δ + cos x Δ dx Δ cos x k ln =− + 3 2 4 Δ − cos x sin x 2 sin x 1 + k 2 Δ − k sin x Δ dx −Δ − ln = 2 sin x 2k Δ + k sin x sin x cos x Δ 1 Δ + cos x Δ dx = + ln 2 sin x cos x cos x 2 Δ − cos x Δ dx Δ sin x 1 Δ + k sin x = + ln 3 2 cos x 2 cos x 4k Δ − k sin x Δ Δ sin x dx = − k ln (k cos x + Δ) cos2 x cos x Δ cos x dx Δ − k arcsin (k sin x) =− sin x sin2 x Δ sin2 x dx Δ sin x 2k2 − 1 k Δ + k sin x =− + arcsin (k sin x) + ln cos x 2 2k 2 Δ − k sin x Δ cos x k 2 + 1 1 Δ + cos x Δ cos2 x dx = + ln (k cos x + Δ) + ln sin x 2 2k 2 Δ − cos x Δ dx 1 2 = −Δ cot3 x + k 2 − 3 Δ cot x + 2k F (x, k) + k 2 − 2 E (x, k) 4 3 sin x 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 3 2 2.583 2.583 Elliptic and pseudo-elliptic integrals 48. 49. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. Δ dx = sin x cos2 x 2 50. k2 − 2 1 + Δ Δ dx Δ k Δ + k ln ln + = − + 2 Δ − k 4 1−Δ sin3 x cos x 2 sin2 x 1 1 + k tan x − cot x Δ + 2 F (x, k) − E (x, k) 2 k k 2 2 Δ 1 1 + Δ 2 − k2 Δ + k Δ dx = − ln + ln 3 2 sin x cos x 2 cos x 2 1 − Δ 4k Δ − k + , 2 2 1 Δ dx 2 2 2 k = tan x − 2k − 3 tan x Δ + 2k F (x, k) + k − 2 E (x, k) cos4 x 3k 2 Δ k2 Δ + k sin x Δ dx = + ln cos3 x 2 cos2 x 4k Δ − k cos x Δ k2 1 + Δ ln Δ dx = − + 4 1−Δ sin3 x 2 sin2 x 2 sin x Δ dx = tan2 xΔ dx = Δ tan x + F (x, k) − 2 E (x, k) cos2 x cos2 x 2 cot2 xΔ dx = −Δ cot x + k F (x, k) − 2 E (x, k) 2 Δ dx = sin x sin3 x k 2 sin2 x + 3k 2 − 1 k Δ + k Δ dx = − Δ + ln 2 cos x 3k 2 Δ − k k 2 sin2 x − 3k 2 − 1 cos3 x 1 1−Δ Δ dx = − Δ + ln sin x 3k 2 2 1+Δ 2 2 2 k − 3 sin x + 2 k k2 + 3 Δ dx Δ + cos x ln = cos xΔ + 16 Δ − cos x sin5 x 8 sin4 x 2 2 3 − k sin x + 1 Δ dx k Δ − k sin x =− Δ − ln 4 3 2 Δ + k sin x sin x cos x 3 sin x Δ dx 3 sin2 x − 1 k 2 − 3 Δ − cos x ln = Δ + 4 Δ + cos x sin3 x cos2 x 2 sin2 x cos x 2 2k2 − 3 Δ + k sin x Δ dx 3 sin x − 2 Δ− ln = 2 2 3 2 sin x cos x 4k Δ − k sin x sin x cos x 2 2 2k − 3 sin x − 3k 2 + 4 Δ dx 1 Δ + cos x = Δ + ln 2 4 3 sin x cos x 2 Δ − cos x 3k cos x 2 2 2 2k − 3 sin x − 4k + 5 Δ dx 4k 2 − 3 Δ + k sin x = ln sin xΔ − 2 cos5 x Δ − k sin x 8k cos4 x 16k 3 2 2 2 4 2 − 2k + 1 k sin x + 3k − k + 1 sin x Δ dx = Δ 4 cos x 3k 2 cos3 x cos x Δ3 4 Δ dx = − sin x 3 sin3 x sin x 2k 2 − 1 Δ + k sin x sin2 x Δ dx = Δ + − k arcsin (k sin x) ln cos3 x 2 cos2 x 4k Δ − k sin x 189 190 Trigonometric Functions 67. 68. 69. 70. 71. 2.584 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. cos2 x cos x k2 + 1 Δ + cos x ln − k ln (k cos x + Δ) Δ dx = − Δ − 4 Δ − cos x sin3 x 2 sin2 x sin3 x sin2 x − 3 3k2 − 1 Δ dx = − Δ− ln (k cos x + Δ) 2 cos x 2 cos x 2k cos3 x 2k2 + 1 sin2 x + 2 Δ − arcsin (k sin x) Δ dx = − 2 sin x 2k sin2 x sin4 x 2k 2 sin2 x + 4k 2 − 1 Δ dx = − Δ sin x cos x 8k 2 4 2 k Δ + k sin x 8k − 4k − 1 ln arcsin (k sin x) + + 8k 3 2 Δ − k sin x −2k 2 sin2 x + 5k 2 + 1 cos4 x Δ dx = Δ cos x sin x 8k 2 4 1 Δ + cos x 3k + 6k 2 − 1 + ln (k cos x + Δ) + ln 2 Δ − cos x 8k 3 dx = F (x, k) Δ 1 Δ − k cos x 1 sin x dx = ln = − ln (k cos x + Δ) Δ 2k Δ + k cos x k 1 1 k sin x cos x dx = arcsin (k sin x) = arctan Δ k k Δ 2 1 1 sin x dx = 2 F (x, k) − 2 E (x, k) Δ k k Δ sin x cos x dx =− 2 Δ k 2 1 cos2 x dx k = 2 E (x, k) − 2 F (x, k) Δ k k 3 sin x dx cos xΔ 1 + k 2 = − ln (k cos x + Δ) Δ 2k 2 2k 3 sin2 x cos x dx sin xΔ arcsin (k sin x) =− + Δ 2k 2 2k 3 2 cos xΔ sin x cos2 x dx k =− + ln (k cos x + Δ) Δ 2k 2 2k 3 cos3 x dx sin xΔ 2k 2 − 1 = + arcsin (k sin x) Δ 2k 2 2k 3 2 1 + k2 sin x cos xΔ 2 + k2 sin4 x dx = + F (x, k) − E (x, k) Δ 3k 2 3k 4 3k 4 sin3 x cos x dx 1 = − 4 2 + k 2 sin2 x Δ Δ 3k 2.584 2.584 Elliptic and pseudo-elliptic integrals 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. sin x cos xΔ 2 − k 2 sin2 x cos2 x dx 2k 2 − 2 =− + E (x, k) + F (x, k) Δ 3k 2 3k 4 3k 4 1 sin x cos3 x dx 2 = − 4 k 2 cos2 x − 2k Δ Δ 3k cos4 x dx sin x cos xΔ 4k 2 − 2 3k 4 − 5k 2 + 2 = + E (x, k) + F (x, k) Δ 3k 2 3k 4 3k 4 sin5 x dx 2k 2 sin2 x + 3k 2 + 3 3 + 2k 2 + 3k 4 = cos xΔ − ln (k cos x + Δ) 4 Δ 8k 8k 5 sin4 x cos x dx 2k 2 sin2 x + 3 3 =− sin xΔ + 5 arcsin (k sin x) Δ 8k 4 8k sin3 x cos x dx 2k 2 cos2 x − k 2 − 3 k 4 + 2k 2 − 3 = cos xΔ − ln (k cos x + Δ) 4 Δ 8k 8k 5 sin2 x cos3 x dx 2k 2 cos2 x + 2k 2 − 3 4k 2 − 3 =− sin xΔ + arcsin (k sin x) Δ 8k 4 8k 5 sin x cos4 x dx 3 − 5k 2 + 2k 2 sin2 x 3k 4 − 6k 2 + 3 = cos xΔ − ln (k cos x + Δ) 4 Δ 8k 8k 5 cos5 x dx 2k 2 cos2 x + 6k 2 − 3 8k 4 − 8k 2 + 3 = sin xΔ + arcsin (k sin x) Δ 8k 4 8k 5 sin6 x dx 3k 2 sin2 x + 4k 2 + 4 = sin x cos xΔ Δ 15k 4 4 2 8k 4 + 7k 2 + 8 4k + 3k + 8 F (x, k) − E (x, k) + 15k 6 15k 6 3k 4 sin4 x + 4k 2 sin2 x + 8 sin5 x cos x dx =− Δ Δ 15k 6 sin4 x cos x dx 3k 2 cos2 x − 2k 2 − 4 = sin x cos xΔ Δ 15k 4 4 2 2k 4 + 3k 2 − 8 k + 7k − 8 F (x, k) − E (x, k) + 6 15k 15k 6 3k 4 sin4 x − 5k 4 − 4k 2 sin2 x − 10k 2 + 8 sin3 x cos3 x dx = Δ Δ 15k 6 sin2 x cos4 x dx 3k 2 cos2 x + 3k 2 − 4 =− sin x cos xΔ Δ 15k 4 4 2 3k 4 − 13k 2 + 8 9k − 17k + 8 F (x, k) − E (x, k) + 15k 6 15k 6 2 sin x cos5 x dx −3k 4 cos4 x + 4k 2 k cos2 x − 8k 4 + 16k 2 − 8 = Δ Δ 15k 6 cos6 x dx 3k 2 cos2 x + 8k 2 − 4 = sin x cos xΔ Δ 15k 4 6 4 2 23k 4 − 23k 2 + 8 15k − 34k + 27k − 8 F (x, k) + E (x, k) + 15k 6 15k 6 191 192 Trigonometric Functions 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40.11 41. 42. sin7 x dx 8k 4 sin4 x + 10k 2 k 2 + 1 sin2 x + 15k 4 + 14k 2 + 15 = cos xΔ Δ 4 2 48k 6 2 5k − 2k + 5 k + 1 − ln (k cos x + Δ) 16k 7 8k 4 sin4 x + 10k 2 sin2 x + 15 sin6 x cos x dx 5 =− sin xΔ + arcsin (k sin x) Δ 48k 6 16k 7 sin5 x cos2 x dx −8k 4 sin4 x + 2k 2 k 2 − 5 sin2 x + 3k 4 + 4k 2 − 15 = cos xΔ Δ 48k 6 6 4 2 k + k + 3k − 5 ln (k cos x + Δ) − 16k 7 sin4 x cos3 x dx 8k 4 sin4 x − 2k 2 6k 2 − 5 sin2 x − 18k 2 + 15 = sin xΔ Δ 48k 6 2 6k − 5 arcsin (k sin x) + 16k 7 sin3 x cos4 x dx 8k 4 sin4 x − 2k 2 6k 2 − 5 sin2 x + 3k 4 − 22k 2 + 15 = cos xΔ Δ 48k 6 6 4 2 k + 3k − 9k + 5 ln (k cos x + Δ) − 16k 7 sin2 x cos5 x dx −8k 4 sin4 x + 2k 2 12k 2 − 5 sin2 x − 24k 4 + 36k 2 − 15 = sin xΔ Δ 48k 6 4 2 8k − 12k + 5 arcsin (k sin x) + 16k 7 sin x cos6 x dx −8k 4 sin4 x + 2k 2 13k 2 − 5 sin2 x − 33k 4 + 40k 2 − 15 = cos xΔ Δ 48k 6 6 5k ln (k cos x + Δ) + 16k 7 cos7 x dx 8k 4 sin4 x − 2k 2 18k 2 − 5 sin2 x + 72k 4 − 54k 2 + 15 = sin xΔ Δ 48k 6 16k 6 − 24k 4 + 18k 2 − 5 arcsin (k sin x) + 16k 7 dx 1 k2 sin x cos x = 2 E (x, k) − 2 3 Δ Δ k k sin x dx cos x =− 2 Δ3 k Δ cos x dx sin x = Δ3 Δ 2 sin x dx 1 1 1 sin x cos x = 2 2 E (x, k) − 2 F (x, k) − 2 3 Δ k Δ k k k sin x cos x dx 1 = 2 Δ3 k Δ 2 1 1 sin x cos x cos x dx = 2 F (x, k) − 2 E (x, k) + Δ3 k k Δ 2.584 2.584 Elliptic and pseudo-elliptic integrals 43. 44. 45. 46. 47. 48. 49. 50. 51. 52.9 53. 54. 55. 56. 57. 58. 59. 60. sin3 x dx cos x 1 = − 2 2 + 3 ln (k cos x + Δ) 3 Δ k k Δ k sin2 x cos x dx 1 sin x = 2 − 3 arcsin (k sin x) Δ3 k Δ k sin x cos2 x dx 1 cos x = 2 − 3 ln (k cos x + Δ) 3 Δ k Δ k 1 k sin x cos3 x dx + 3 arcsin (k sin x) = − Δ3 k2 Δ k 2 k + 1 2 sin x cos x sin4 x dx = E (x, k) − 4 F (x, k) − 3 Δ k k 2 k4 k2 k 2 Δ 2 sin3 x cos x dx 2 − k 2 sin2 x = Δ3 k4 δ 2 − k2 2 sin x cos x sin2 x cos2 x dx = F (x, k) − 4 E (x, k) + 3 Δ k4 k k2 Δ k 2 sin2 x + k2 − 2 sin x cos3 x dx = Δ3 k4 Δ cos4 x dx k + 1 2k k sin x cos x = E (x, k) − 4 F (x, k) − 3 4 Δ k k k2 Δ 2 2 2 k2 + 3 k 2 k sin2 x + k2 − 3 sin5 x dx cos x + = ln (k cos x + Δ) 2 3 4 Δ 2k 5 2k k Δ 2 sin4 x cos x dx 3 −k 2 sin2 x + 3 sin x − 5 arcsin (k sin x) = Δ3 2k 4 Δ 2k sin3 x cos2 x dx −k 2 sin2 x + 3 k2 − 3 = cos x + ln (k cos x + Δ) 4 Δ 2k Δ 2k 5 sin2 x cos3 x dx 2k 2 − 3 k 2 sin2 x + 2k 2 − 3 sin x − = arcsin (k sin x) Δ3 2k 4 Δ 2k 5 3k k 2 sin2 x + 2k 2 − 3 sin x cos4 x dx cos x + = ln (k cos x + Δ) 3 4 Δ 2k Δ 2k 5 2 cos5 x dx 4k2 − 3 −k 2 sin2 x + 2k 4 − 4k 2 + 3 sin x + = arcsin (k sin x) Δ3 2k 4 Δ 2k 5 2 dx −k 2 sin x cos x 2k k + 1 sin x cos x 1 = − − 2 F (x, k) 2 4 5 3 Δ 3k Δ 3k Δ 3k 2 2 k + 1 + E (x, k) 3k 4 2 sin x dx 2k 2 sin2 x + k 2 − 3 = cos x Δ5 3k 4 Δ3 cos x dx −2k 2 sin2 x + 3 = sin x Δ5 3Δ3 193 194 Trigonometric Functions 61. 62. 63. 64. 65. 66. 67. 68. 69. 70. 71. 72. 73. 74. 75. 76. 77. 78. 79. sin2 x dx k 2 + 1 1 = 4 2 E (x, k) − 2 2 F (x, k) 5 Δ 3k k 3k k k 2 k 2 + 1 sin2 x − 2 + sin x cos x 3k 4 Δ3 1 sin x cos x dx = 2 3 Δ5 3k Δ k 2 2k 2 − 1 sin2 x − 3k 2 + 2 1 2k 2 − 1 cos2 x dx = 2 F (x, k) + E (x, k) + sin x cos x Δ5 3k 3k 2 k 2 2k 2 Δ 2 3k − 1 sin2 x − 2 sin3 x dx = cos x Δ5 3k 4 Δ3 sin2 x cos x sin3 x dx = Δ5 3Δ3 sin x cos2 x cos3 x dx = − 2 5 Δ 3k Δ3 2 − 2k + 1 sin2 x + 3 cos3 x dx = sin x Δ5 3Δ3 1 Δ + cos x dx = − ln Δ sin x 2 Δ − cos x dx 1 Δ − k sin x = − ln Δ cos x 2k Δ + k sin x dx 1 + cot2 x dx = F (x, k) − E (x, k) − Δ cot x = Δ Δ sin2 x dx dx 1 1−Δ 1 Δ + k = (tan x + cot x) = ln + ln Δ sin x cos x Δ 2 1 + Δ 2k Δ − k dx 1 dx 1 = 1 + tan2 x = F (x, k) − 2 E (x, k) + 2 Δ tan x 2 Δ cos x Δ k k dx 1 sin x dx Δ+k = tan x = ln cos x Δ Δ 2k Δ − k dx 1 1−Δ cos x dx = cot x = ln sin x Δ Δ 2 1+Δ dx Δ cos x 1 + k 2 Δ + cos x ln =− − 3 4 Δ − cos x Δ sin x 2 sin2 x Δ dx 1 Δ − k sin x = − − ln sin x 2k Δ + k sin x Δ sin2 x cos x Δ dx 1 Δ − cos x = 2 + ln 2 Δ sin x cos x k cos x 2 Δ + cos x Δ sin x dx 2k 2 − 1 Δ − k sin x = 2 ln + 3 2 Δ cos x Δ + k sin x 2k cos x 4k 3 sin x dx Δ = 2 cos2 x Δ k cos x 2.584 2.584 Elliptic and pseudo-elliptic integrals 80. 81. 82. 83. 84. 85. 86. 87. 88. 89. 90. 91. 92. 93. 94. Δ cos x dx =− sin x sin2 x Δ 1 Δ + k sin x 1 sin2 x dx = ln − arcsin (k sin x) cos x Δ 2k Δ − k sin x k cos2 x dx 1 Δ + cos x 1 = ln + ln (k cos x + Δ) sin x Δ 2 Δ − cos x k dx 1 −Δ cot3 x − Δ 2k 2 + 3 cot x + k 2 + 2 F (x, k) − 2 k 2 + 1 E (x, k) = 4 3 Δ sin x dx dx = tan x + 2 cot x + cot3 x 3 Δ Δ sin x cos x Δ Δ + k k2 + 2 1 + Δ 1 ln =− − + ln 2 Δ − k 4 1−Δ 2 sin x 2k dx 2 dx = tan x + 2 + cot2 x 2 2 Δ Δ sin x cos x tan x k2 − 2 = − cot x Δ + E (x, k) + 2 F (x, k) k 2 k 2 dx dx = cot x + 2 tan x + tan3 x 3 Δ sin x cos x Δ Δ 1 1 + Δ 2 − 3k 2 Δ + k + = − 2 ln − ln Δ − k 2k cos2 x 2 1 − Δ 4k 3 ⎧ 1 ⎨ dx 5k2 − 3 = Δ tan x − 3k 2 − 2 F (x, k) Δ tan3 x − 2 2 4 Δ cos x 3k ⎩ k ⎫ 2 ⎬ 2 2k − 1 + E (x, k) 2 ⎭ k dx Δ Δ + k k2 tan x 1 + tan2 x = 2 ln − Δ 2k cos2 x 4k 3 Δ − k Δ cos x dx k2 1 + Δ =− ln − 3 2 4 1−Δ sin x Δ 2 sin x 2 2 tan x Δ 1 sin x dx = dx = 2 tan x − 2 E (x, k) cos2 x Δ Δ k k cos2 x dx cot2 x = dx = −Δ cot x − E (x, k) Δ sin2 x Δ sin3 x dx Δ 1 Δ + k = 2 + ln cos x Δ k 2k Δ − k Δ cos3 x dx 1 1+Δ = 2 − ln sin x Δ k 2 1−Δ 3 1 + k 2 sin2 x + 2 dx 3k 4 + 2k 2 + 3 Δ + cos x ln = − Δ cos x + 5 2 16 Δ − cos x Δ sin x 8 sin x sin x dx = cos3 x Δ 195 196 Trigonometric Functions 95. 96. 97. 98. 99. 100. 101. 102. 103. 104. 105. 106. 107. 2.585 1. 2.585 3 + 2k 2 sin2 x + 1 1 Δ − k sin x dx =− Δ − ln 4 3 2k Δ + k sin x Δ sin x cos x 3 sin x 2 3 − k 2 sin2 x − k dx k 2 + 3 Δ − cos x ln = Δ + 4 Δ + cos x Δ sin3 x cos2 x 2k 2 sin2 x cos x 2 2 2 2 3 − 2k sin x − 2k dx 4k − 3 Δ + k sin x ln Δ − = Δ − k sin x Δ sin2 x cos3 x 2k 2 sin x cos2 x 4k 3 2 2 2 5k − 3 sin x − 6k + 4 1 Δ + cos x dx Δ − ln = 4 Δ sin x cos x 2 Δ − cos x 3k 4 cos3 x 3 2k 2 − 1 sin2 x − 8k 2 + 5 dx 8k 4 − 8k 2 + 3 Δ + k sin x = ln Δ sin x + Δ cos5 x Δ − k sin x 8k 4 cos4 x 16k 5 sin x dx 2k 2 cos2 x − k =− Δ 4 cos x Δ 2k 4 cos3 x 2 2k 2 sin2 x + 1 cos x dx = − Δ sin4 x Δ 3 sin3 x Δ sin x Δ + k sin x sin2 x dx 1 = ln − 2 3 3 2 cos x Δ Δ − k sin x 2k cos x 4k Δ cos x k Δ + cos x cos3 x dx = − ln + 3 2 4 Δ − cos x sin x Δ 2 sin x 2 sin3 x dx Δ 1 = 2 + ln (k cos x + Δ) cos2 x Δ k cos x k −Δ 1 cos3 x dx = − arcsin (k sin x) sin x k sin2 x Δ sin4 x dx Δ sin x 1 Δ + k sin x 2k 2 + 1 = − + ln arcsin (k sin x) cos x Δ 2k 2 2k Δ − k sin x 2k 3 Δ cos x 1 Δ + cos x 3k 2 − 1 cos4 x dx = + + ln ln (k cos x + Δ) sin x Δ 2k 2 2 Δ − cos x 2k 3 (a + sin x) Δ = p+3 dx 1 (p + 2)k2 p (a + sin x) cos xΔ p+2 (a + sin x)p+1 dx dx (a + sin x) + (p + 1) 1 + k 2 − 6a2 k 2 +2(2p + 3)ak2 Δ Δ (a + b sin x)p dx 2 2 2 −a(2p + 1) 1 + k − 2a k Δ & p−1 (a + sin x) dx − p 1 − a2 1 − a 2 k 2 Δ 1 p = −2, a = ±1, a = ± k For p = n a natural number, this integral can be reduced to the following three integrals: 2.586 Elliptic and pseudo-elliptic integrals 2. 3. 4.6 5. 2.586 1. 2. 3. 197 1 Δ − k cos x a + sin x dx = a F (x, k) + ln Δ 2k Δ + k cos x 2 1 + k 2 a2 1 a Δ − k cos x (a + sin x) dx = F (x, k) − 2 E (x, k) + ln Δ k2 k k Δ + k cos x 1 1 sin x dx dx , = Π x, 2 , k − 2 (a + sin x) Δ a a a − sin2 x Δ where √ √ −1 1 − a2 Δ − 1 − k 2 a2 cos x sin x dx = √ ln √ a2 − sin2 x Δ 1 − a2 Δ + 1 − k 2 a2 cos x 2 (1 − a2 ) (1 − a2 k 2 ) % dx cos xΔ 1 − = n n−1 (a + sin x) Δ (n − 1) (1 − a2 ) (1 − a2 k 2 ) (a + sin x) dx −(2n − 3) 1 + k 2 − 2a2 k 2 a n−1 (a + sin x) Δ 2 2 dx −(n − 2) 6a k − k 2 − 1 n−2 (a + sin x) Δ & dx dx 2 2 − (10 − 4n)ak − (n − 3)k n−3 n−4 (a + sin x) Δ (a + sin x) Δ 1 n = 1, a = ±1, a = ± k This integral can be reduced to the integrals: dx 1 dx cos xΔ 2 2 2 = − a 1 + k − 2a k − 2 2 2 2 a + sin x (a + sin x) Δ (a + sin x) Δ (1 − a ) (1 − a k ) & 2 dx (a + sin x) dx (a + sin x) + k2 − 2ak2 Δ Δ (see 2.585 2, 3, 4) ⎡ 1 dx dx ⎣ − cos xΔ − 3a 1 + k 2 − 2a2 k 2 = 3 2 2 (a + sin x) Δ 2 (1 − a2 ) (1 − a2 k 2 ) (a + sin x) (a + sin x) Δ ⎤ 2 2 dx + 2ak2 F (x, k)⎦ − 6a k − k 2 − 1 (a + sin x) Δ (see 2.585 4 and 2.586 2) 4. For a = ±1, we have: % dx dx 1 cos xΔ 2 = ∓ n n + (n − 1) 1 − 5k n−1 2 (1 ± sin x) Δ (2n − 1)k (1 ± sin x) (1 ± sin x) Δ & dx dx − (n − 2)k2 + 2(2n − 3)k2 n−2 n−3 (1 ± sin x) Δ (1 ± sin x) Δ GU (241)(6a) This integral can be reduced to the following integrals: 198 Trigonometric Functions 2.587 5. 6. ∓ cos xΔ dx 1 = 2 + F (x, k) − 2 E (x, k) (1 ± sin x) Δ k (1 ± sin x) k 2 1 − 5k 2 cos xΔ 1 dx k cos xΔ = ∓ 2 2 ∓ 4 1 ± sin x (1 ± sin x) Δ 3k (1 ± sin x) 2 + 1 − 3k 2 k F (x, k) − 1 − 5k 2 E (x, k) GU (241)(6c) GU (241)(6b) 7. 1 For a = ± , we have k dx dx 1 k cos xΔ 2 = + (n − 1) 5 − k ± n n n−1 (1 ± k sin x) Δ (2n − 1)k 2 (1 ± k sin x) (1 ± k sin x)& Δ dx dx − 2(2n − 3) + (n − 2) n−2 n−3 (1 ± k sin x) Δ (1 ± k sin x) Δ GU (241)(7a) 8. 9. This integral can be reduced to the following integrals: k cos xΔ dx 1 = ± 2 + 2 E (x, k) (1 ± k sin x) Δ k (1 ± k sin x) k % 2 k 5 − k2 cos xΔ 1 dx kk cos xΔ = ± 2 2 ± 4 1 ± k sin x (1 ± k sin x) Δ 3k (1 ± k sin x) 2 − 2k F (x, k) + 5 − k 2 E (x, k) GU (241)(7b) GU(241)(7c) 2.587 1. (b + cos x) Δ p+3 dx 1 (p + 2)k2 % p (b + cos x) sin xΔ + 2(2p + 3)bk 2 (b + cos x) Δ dx p+1 dx (b + cos x) Δ p (b + cos x) dx 2 2 2 2 +(2p + 1)b k − k + b k Δ & p−1 dx (b + cos x) 2 + p 1 − b2 k + k 2 b2 Δ p = −2, b = ±1, 2 p+2 −(p + 1) k − k + 6b k 2. 3. 4. 2 2 2 ik b= k For p = n a natural number, this integral can be reduced to the following three integrals: 1 b + cos x dx = b F (x, k) + arcsin (k sin x) Δ k 2 2 2 2 (b + cos x) b k −k 1 2b dx = arcsin (k sin x) F (x, k) + 2 E (x, k) + Δ k2 k k b 1 cos x dx dx , = 2 Π x, 2 ,k + (b + cos x) Δ b −1 b −1 1 − b2 − sin2 x Δ where 2.589 Elliptic and pseudo-elliptic integrals 5. 2.588 1. 2. √ 1 − b2 Δ + k k 2 + k 2 b2 sin x cos x dx 1 = < ln √ 1 − b2 − sin2 x Δ 1 − b2 Δ − k k 2 + k 2 b2 sin x 2 (1 − b2 ) k 2 + k 2 b2 % 2 dx 1 −k sin xΔ 2 = n −1 (b + cos x) Δ (n − 1) (1 − b2 ) k + b2 k 2 (b + cos x) dx −(2n − 3) 1 − 2k 2 + 2b2 k 2 b n−1 (b + cos x) Δ 2 dx −(n − 2) 2k − 1 − 6b2 k 2 n−2 (b + cos x) Δ & dx dx 2 2 − (4n − 10)bk + (n − 3)k n−3 n−4 (b + cos x) Δ (b + cos x) Δ ik n = 1, b = ±1, b = ± k This integral can be reduced to the following integrals: ⎡ 2 1 dx dx ⎣ −k sin xΔ − 1 − 2k 2 + 2b2 k 2 b = 2 2 2 2 2 b + cos x (b + cos x) Δ (b + cos x) Δ (1 − b ) k + b k ⎤ 2 b + cos x (b + cos x) dx − k 2 dx⎦ + 2bk 2 Δ Δ 3. ⎡ dx 3 (b + cos x) Δ = (see 2.587 2, 3, 4) 1 −k sin xΔ ⎣ 2 2 2 (1 − b2 ) k + b2 k 2 (b + cos x) dx −3b 1 − 2k2 + 2k 2 b2 2 (b + cos x) Δ ⎤ 2 dx − 2bk 2 F (x, k)⎦ − 2k − 1 − 6b2 k 2 (b + cos x) Δ 2 (see 2.588 2 and 2.587 4) 2.589 1. p+3 (c + tan x) Δ ⎡ dx = p p+2 1 dx ⎣ (c + tan x) Δ + 2(2n + 3)ck 2 (c + tan x) 2 2 cos x Δ (p + 2)k p+1 dx (c + tan x) 2 2 2 −(p + 1) 1 + k + 6c k Δ p (c + tan x) dx 2 2 2 +(2p + 1)c 1 + k + 2c k Δ ⎤ p−1 dx ⎦ (c + tan x) 2 − p 1 + c2 1 + k c 2 Δ [p = −2] For p = n a natural number, this integral can be reduced to the following three integrals: 199 200 Trigonometric Functions 2. 3. 4. 5. 2 where √ 1 + c2 k 2 + 1 + c2 Δ sin x cos x dx 1 = < √ ln c2 − (1 + c2 ) sin2 x Δ 1 + c2 k 2 − 1 + c2 Δ 2 (1 + c2 ) 1 + c2 k 2 1. ⎡ dx 1 Δ ⎣− = n n−1 (c + tan x) Δ (n − 1) (1 + c2 ) 1 + k 2 c2 (c + tan x) cos2 x dx 2 2 +(2n − 3)c 1 + k + 2c2 k n−1 Δ (c + tan x) dx 2 2 −(n − 2) 1 + k + 6c2 k n−2 (c + tan x) Δ ⎤ dx dx 2 2 ⎦ − (n − 3)k + (4n − 10)ck n−3 n−4 (c + tan x) Δ (c + tan x) Δ This integral can be reduced to the integrals: ⎡ dx 1 −Δ ⎣ = 2 2 2 2 (c + tan x) cos2 x (c + tan x) Δ (1 + c ) 1 + k c dx 2 2 +c 1 + k + 2c2 k (c + tan x) Δ ⎤ 2 c + tan x (c + tan x) 2 2 dx + k dx⎦ − 2ck Δ Δ 3. 1 c + tan x Δ + k dx = c F (x, k) + ln Δ 2k Δ − k (c + tan x) 1 1 c Δ + k dx = 2 tan xΔ + c2 F (x, k) − 2 E (x, k) + ln Δ k Δ − k k k c 1 + c2 dx 1 = Π x, − F (x, k) + ,k (c + tan x) Δ 1 + c2 c (1 + c2 ) c2 sin x cos x dx , − 2 c − (1 + c2 ) sin2 x Δ 2.591 2. 2.591 ⎡ dx 3 (c + tan x) Δ = (see 2.589 2, 3, 4) 1 −Δ ⎣ 2 2 2 2 (1 + 1+k c (c + tan x) cos2 x dx 2 2 +3c 1 + k + 2c2 k 2 (c + tan x) Δ ⎤ dx 2 2 2 + 2ck F (x, k)⎦ − 1 + k + 6c2 k (c + tan x) Δ c2 ) (see 2.591 2 and 2.589 4) 2.593 2.592 1. Elliptic and pseudo-elliptic integrals 201 n a + sin2 x dx Pn = Δ The recursion formula Pn+1 = n a + sin2 x sin x cos xΔ + (2n + 2) 1 + k 2 + 3ak2 Pn+1 − (2n + 1) 1 + 2a 1 + k 2 + 3a2 k 2 Pn + 2na(1 + a) 1 + k 2 a Pn−1 1 (2n + 3)k 2 reduces this integral (for n an integer) to the integrals: 2. P1 3. P0 4. P−1 = 5. 6. (see 2.584 1 and 2.584 4) (see 2.584 1) 1 dx 1 = Π x, , k 2 a a a + sin x Δ For a = 0 dx sin2 xΔ dx Tn = n h + g sin2 x Δ (see 2.584 70) H (124)a can be calculated by means of the recursion formula: 1 −g 2 sin x cos xΔ 2 2 Tn−3 = n−1 + 2(n − 2) g 1 + k + 3hk Tn−2 2 (2n − 5)k 2 h + g sin x − (2n − 3) g + 2hg 1 + k 2.593 1. 2 2 2 2 + 3h k Tn−1 + 2(n − 1)h(g + h) g + hk 2 Tn n b + cos2 x dx Δ The recursion formula ⎧ ⎨ n 1 b + cos2 x sin x sin xΔ − (2n + 2) 1 − 2k 2 − 3bk 2 Qn+1 Qn+2 = 2 (2n + 3)k ⎩ Qn = ⎫ ⎬ + (2n + 1) k2 + 2b k 2 − k 2 − 3b2 k 2 n− 2nb(1 − b) k 2 − k 2 b Qn−1 ⎭ reduces this integral (for n an integer) to the integrals: 2. Q1 (see 2.584 1 and 2.584 6) 3. Q0 (see 2.584 1) 202 Trigonometric Functions 4. 5. 2.594 1. Q−1 = 2.594 1 1 dx = Π x, − ,k (b + cos2 x) Δ b+1 b+1 For b = 0 dx cos2 xΔ (see 2.584 72) H (123) n c + tan2 x dx Rn = Δ The recursion formula ⎧ ⎨ c + tan2 xn tan xΔ 1 − (2n + 2) 1 + k 2 − 3ck 2 Rn+1 Rn+2 = 2 2 (2n + 3)k ⎩ cos x ⎫ ⎬ , + + (2n − 1) 1 − 2c 1 + k 2 + 3c2 k 2 Rn + 2nc(1 − c) 1 − k 2 c Rn−1 ⎭ reduces this integral (for n an integer) to the integrals: 2. R1 3. R0 4. R−1 = (see 2.584 1 and 2.584 90) (see 2.584 1) 1 1−c 1 dx = F (x, k) + Π x, ,k 2 c − 1 c(1 − c) c c + tan x Δ For c = 0, see 2.582 5. 2.595 Integrals of the type R sin x, cos x, < 1 − p2 sin2 x dx for p2 > 1. Notation: α = arcsin (p sin x). Basic formulas 1. 2. dx 1 1 = F α, 2 2 p p 1 − p sin x < 1 1 − p2 sin2 x dx = p E α, p 3. − p2 − 1 F p α, r2 1 dx 1 = Π α, 2 , 2 p p p 1 − r2 sin x 1 − p2 sin x 2 To evaluate integrals of the form < R sin x, cos x, 1 p p2 > 1 p2 > 1 p2 > 1 1 − p2 sin2 x k with p; (2) k 2 with 1 − p2 ; BY (283.03) BY (283.02) dx for p2 > 1, we may use formulas 2.583 and 2.584, making the following modifications in them. We replace (1) BY (283.00) 2.597 Elliptic and pseudo-elliptic integrals 1 F α, p1 ; p (3) F (x, k) with (4) E (x, k) with p E α, 1 p − p2 − 1 F p α, 1 . p For example (see 2.584 15): 2.596 ⎡ 4 2 2 sin2 x x dx 1 − p − 2 4p cos sin x cos x ⎣p E α, 1 + = 1.10 2 4 2 2 3p 3p p 1 − p sin x ⎤ 1 ⎦ 2 − 5p2 + 3p4 1 1 p2 − 1 F α, · F α, − + 4 p p 3p p p 1 sin x cos x 1 − p2 sin2 x p2 − 1 4p2 − 2 − F α, E = + 2 3 3p 3p p 3p3 2. 3. 203 α, 1 p For example (see 2.583 36): < 1 1 − p2 sin2 x 1 1 p2 − 1 2 sin2 x + dx = tan x F F α, 1 − p − p E α, − 2 cos x p p p p < 1 1 = p F α, − E α, + tan x 1 − p2 sin2 x p p 2 p >1 α, p2 > 1 1 p For example (see 2.584 37): dx 1 sin x cos x −1 1 p2 − 1 p2 < F α, = p E α, − − 2 2 3 p − 1 p p p 1 − p 2 1 − p2 sin2 x 1 − p2 sin x 2 sin x cos x 1 1 1 p p E α, + F α, = 2 − 2 2 p − 1 1 − p2 sin x p p p −1 p 2 p >1 < Integrals of the form R sin x, cos x, 1 + p2 sin2 x dx 1 + p2 sin x Notation: α = arcsin 1 + p2 sin2 x Basic formulas dx p 1 1. F α, = 1 + p2 1 + p2 1 + p2 sin2 x < sin x cos x p 2 2 2 2. 1 + p sin x dx = 1 + p E α, − p2 2 1+p 1 + p2 sin2 x 2.597 BY (282.00) BY (282.03) 204 Trigonometric Functions 1 + p2 sin2 x dx p 1 2 Π α, r , = 1 + (p2 − r2 p2 − r2 ) sin2 x 1 + p2 1 + p2 p cos x sin x dx 1 = − arcsin 2 2 p 1 + p2 1 + p sin x < cos x dx 1 = ln p sin x + 1 + p2 sin2 x p 1 + p2 sin2 x 1 + p2 sin2 x − cos x dx 1 ln = 2 sin x 1 + p2 sin2 x 1 + p2 sin2 x + cos x 1 + p2 sin2 x + 1 + p2 sin x dx 1 ln = 2 1 + p2 cos x 1 + p2 sin2 x 1 + p2 sin2 x − 1 + p2 sin x 1 + p2 sin2 x + 1 + p2 1 tan x dx ln = 2 1 + p2 1 + p2 sin2 x 1 + p2 sin2 x − 1 + p2 cot x dx 1 1 − 1 + p2 sin2 x = ln 2 1 + 1 + p2 sin2 x 1 + p2 sin2 x 3. 4. 5. 6. 7. 8. 9. 2.598 BY (282.02) " 2.598 To calculate integrals of the form R sin x, cos x, 1 + p2 sin2 x dx, we may use formulas 2.583 and 2.584, making the following modifications in them. We replace (1) k2 with −p2 ; (2) k with 1 + p2 ; (3) F (x, k) with √ 1 (4) E (x, k) with (5) 1 k ln (k cos x + Δ) with (6) 1 k arcsin (k sin x) with 2 1+p2 α, √ p F ; 1+p2 1 + p2 E α, √ p 1 p 1 p − p2 √sin x2cos x2 ; 1+p2 1+p sin x p cos x arcsin √ ; 2 1+p ln p sin x + 1 + p2 sin2 x . For example (see 2.584 90): 1. ⎡ < 1 ⎣ tan x 1 + p2 sin2 x = 2) 2 2 (1 + p 1 + p sin x ⎤ sin x cos x p ⎦ − 1 + p2 E α, + p2 1 + p2 1 + p2 sin2 x p tan x 1 E α, + = − 1 + p2 1 + p2 1 + p2 sin2 x tan2 x dx For example (see 2.584 37): 2.611 Elliptic and pseudo-elliptic integrals 2. < dx 1+ p2 1 3 = 1 + p2 E sin x 2 p α, 1 + p2 Integrals of the form R sin x, cos x, a2 sin2 x − 1 dx a cos x . Notation: α = arcsin a2 − 1 2.599 205 a2 > 1 Basic formulas: √ 2 a2 − 1 dx 1 a >1 1. = − F α, 2 2 a a a sin x − 1 √ √ 2−1 2−1 a a 1 − a E α, 2. a2 sin2 x − 1 dx = F α, a a a 2 a >1 √ r 2 a2 − 1 a2 − 1 dx 1 Π α, 2 2 , 3. = a (r2 − 1) a (r − 1) a 1 − r2 sin2 x a2 sin2 x − 1 2 a > 1, r2 > 1 2 sin x dx α a >1 4. =− a a2 sin2 x − 1 2 cos x dx 1 5. a >1 = ln a sin x + a2 sin2 x − 1 2 2 a a sin x − 1 2 dx cos x a >1 6. = − arctan sin x a2 sin2 x − 1 a2 sin2 x − 1 √ a2 − 1 sin x + a2 sin2 x − 1 1 dx ln √ = √ 7. 2 a2 − 2 cos x a2 sin2 x − 1 a2 − 1 sin x − a2 sin2 x − 1 2 a >1 √ a2 − 1 + a2 sin2 x − 1 tan x dx 1 8. ln √ = √ 2 a2 − 1 a2 sin2 x − 1 a2 − 1 − a2 sin2 x − 1 2 a >1 2 1 cot x dx a >1 = − arcsin 9. a sin x a2 sin2 x − 1 2.611 To calculate integrals of the type R sin x, cos x, a2 sin2 x − 1 dx for a2 > 1, BY (285.00)a BY (285.06)a BY (285.02)a we may use formulas 2.583 and 2.584. In doing so, we should follow the procedure outlined below: (1) In the right members of these formulas, the following functions should be replaced with integrals equal to them: 206 Trigonometric Functions 2.611 F (x, k) should be replaced with E (x, k) should be replaced with 1 − ln (k cos x + Δ) k should be replaced with 1 arcsin (k sin x) k should be replaced with 1 Δ − cos x ln 2 Δ + cos x should be replaced with 1 Δ + k sin x ln 2k Δ − k sin x should be replaced with 1 Δ + k ln 2k Δ − k should be replaced with 1 1−Δ ln 2 1+Δ should be replaced with (2) dx Δ Δdx sin x dx Δ cos x dx Δ dx Δ sin x dx Δ cos x tan x dx Δ cot x dx Δ 2 Then, on both sides of the equations, we should replace Δ with i a2 sin2 x − 1, k with a and k 2 with 1 − a . (3) Both sides of theresulting equations should be multiplied by i, as a result of which only real functions a2 > 1 should appear on both sides of the equations. (4) The integrals on the right sides of the equations should be replaced with their values found from formulas 2.599. Examples: 1. We rewrite equation 2.584 4 in the form sin2 x dx 1 1 dx = 2 − 2 i a2 sin2 x − 1 dx, a i a2 sin2 x − 1 i a2 sin2 x − 1 a from which we get √ 2−1 a sin2 x dx 1 dx 1 a2 sin2 x − 1 dx = − E α, = 2 + a a a a2 sin2 x − 1 a2 sin2 x − 1 2 a >1 2. We rewrite equation 2.584 58 as follows: 2a4 a2 − 2 sin2 x − 3a2 − 5 a2 dx < < 5 = − 3 sin x cos x 2 a2 sin2 x − 1 a2 sin2 x − 1 i5 3 (1 − a2 ) i3 1 2a2 − 4 dx − i a2 sin2 x − 1 dx − 3 (1 − a2 ) i a2 sin2 x − 1 3 (1 − a2 )2 2.613 Elliptic and pseudo-elliptic integrals 207 from which we obtain 2a4 a2 − 2 sin2 x − 3a2 − 5 a2 1 dx < < = sin x cos x + 2 5 3 2 3 (1 − a2 ) a a2 sin2 x − 1 a2 sin2 x − 1 3 (1 − a2 ) √ √ 2 2 a2 − 1 a2 − 1 2 − 2a a − 2 E α, × a − 3 F α, a a 2 a >1 3. We rewrite equation 2.584 71 in the form dx cot x dx tan x dx = + , 2 2 2 2 sin x cos xi a sin x − 1 i a sin x − 1 i a2 sin2 x − 1 from which we obtain √ a2 − 1 + a2 sin2 x − 1 dx 1 ln √ = √ − arcsin 2 a2 − 1 sin x cos x a2 sin2 x − 1 a2 − 1 − a2 sin2 x − 1 2 a >1 1 a sin x √ " − k 2 cos2 x dx. Integrals of the form R sin x, cos x, 1 π To find integrals of the form R sin x, cos x, 1 − k 2 cos2 x dx, we make the substitution x = −y, 2 which yields < R sin x, cos x, 1 − k 2 cos2 x dx = − R cos y, sin y, 1 − k 2 sin2 y dy. < The integrals R cos y, sin y, 1 − k 2 sin2 y dy are found from formulas 2.583 and 2.584. As a 2.612 result of the use of these formulas (where it is assumed that the original integral can be reduced only to integrals of the first and second Legendre forms), when we replace the functions F (x, k) and E (x, k) with the corresponding integrals, we obtain an expression of the form < dy 1 − k 2 sin2 y dy − B −g (cos y, sin y) − A 1 − k 2 sin2 y Returning now to the original variable x, we obtain dx R sin x, cos x, 1 − k 2 cos2 x dx = −g (sin x, cos x) − A √ 1 − k 2 cos2 x dx −B 1 − k 2 cos2 x The integrals appearing in this expression are found from the formulas sin x dx √ 1. = F arcsin √ ,k 2 2 1 − k cos x 1 − k2 cos2 x sin x k 2 sin x cos x 2. 1 − k 2 cos2 x dx = E arcsin √ ,k − √ 1 − k 2 cos2 x 1 − k 2 cos2 x [p > 1]. R sin x, cos x, 1 − p2 cos2 x dx To find integrals of the type R sin x, cos x, 1 − p2 cos2 x dx, where [p > 1], we proceed as in 2.613 Integrals of the form section 2.612. Here, we use the formulas 208 Trigonometric Functions 2.614 1. 2. 1 1 dx = − F arcsin (p cos x) , 2 2 p p 1 − p cos x 1 p2 − 1 F arcsin (p cos x) , 1 − p2 cos2 x dx = p p [p > 1] − pE arcsin (p cos x) , 1 p R sin x, cos x, 1 + p2 cos2 x dx. To find integrals of the type R sin x, cos x, 1 + p2 cos2 x dx, we need to make the substitution π x = − y. This yields 2 < R sin x, cos x, 1 + p2 cos2 x dx = − R cos y, sin y, 1 + p2 sin2 y dy. < To calculate the integrals − R cos y, sin y, 1 + p2 sin2 y dy, we need to use first what was said 2.614 Integrals of the form in 2.598 and 2.612 and then, after returning to the variable x, the formulas 1 dx p = 1. F x, 1 + p2 cos2 x 1 + p2 1 + p2 p 2. 1 + p2 cos2 x dx = 1 + p2 E x, 1 + p2 R sin x, cos x, a2 cos2 x − 1 dx [a > 1] . To find integrals of the type R sin x, cos x, a2 cos2 x − 1 dx, we need to make the substitution π x = − y. This yields 2 < 2 2 R sin x, cos x, a cos x − 1 dx = − R cos y, sin y, a2 sin2 y − 1 dy " To calculate the integrals − R cos y, sin y, a2 sin2 y − 1 dy, we use what was said in 2.611 and then, after returning to the variable x, we use the formulas √ a sin x a2 − 1 1 dx √ = F arcsin √ , 1. a a a2 cos2 x − 1 a2 − 1 2.615 2. Integrals of the form [a > 1] √ a sin x a2 − 1 2 2 a cos x − 1 dx = a E arcsin √ , a a2 − 1 √ a sin x 1 a2 − 1 [a > 1] − F arcsin √ , a a a2 − 1 2.616 Elliptic and pseudo-elliptic integrals 11 2.616 Integrals of the form R sin x, cos x, 1 − p2 sin x . Notation: α = arcsin 1 − p2 sin2 x 1. < 1 − p2 sin2 x, dx 1 < F = 1 − p2 1 − p2 sin2 x 1 − q 2 sin2 x α, . < 1 − q 2 sin2 x 209 dx. q 2 − p2 1 − p2 + 0 < p2 < q 2 < 1, 0<x≤ π, 2 BY (284.00) 2. 3. 4. 5. tan2 x dx tan x 1 − q 2 sin2 x < = (1 − q 2 ) 1 − p2 sin2 x . 1 − p2 sin2 x 1 − q 2 sin2 x q 2 − p2 1 − E α, 1 − p2 (1 − q 2 ) 1 − p2 + π, 0 < p2 < q 2 < 1, 0 < x ≤ BY (284.07) 2 tan4 x dx < 1 − p2 sin2 x 1 − q 2 sin2 x . . % & 2 − p2 2 − p2 q q 1 = 2 2 − p2 − q 2 E α, − 1 − q 2 F α, 3 × 2 1 − p2 1 − p2 3 (1 − q 2 ) (1 − p2 ) 2 . 2p2 + q 2 − 3 + sin2 x 4 − 3p2 − 2q 2 + p2 q 2 sin x 1 − q 2 sin2 x + 2 cos2 x 1 − p2 sin2 x 3 (1 − p2 ) (1 − q 2 ) + π, 0 < p2 < q 2 < 1, 0 < x ≤ BY (284.07) 2 sin2 x dx < 3 1 − p2 sin2 x 1 − q 2 sin2 x . . 1 − p2 q 2 − p2 q 2 − p2 1 E α, = F α, − (1 − q 2 ) (q 2 − p2 ) 1 − p2 1 − p2 (q 2 − p2 ) 1 − p2 sin x cos x < − 1 − p2 sin2 x 1 − q 2 sin2 x (1 − q 2 ) + π, BY (284.06) 0 < p2 < q 2 < 1, 0 < x ≤ 2 cos2 x dx < 3 1 − p2 sin2 x 1 − q 2 sin2 x . . 1 − p2 q 2 − p2 q 2 − p2 1 − q2 = 2 E α, F α, − q − p2 1 − p2 1 − p2 (q 2 − p2 ) 1 − p2 , + π 0 < p2 < q 2 < 1, 0 < x ≤ BY (284.05) 2 210 Trigonometric Functions 2.617 6. 7. cos4 x dx 5 1 − p2 sin2 x 1 − q 2 sin2 x 3 ⎡ . 2 2 2 − p2 2 + p2 − 3q 2 1 − q 2 1−p q ⎣ F α, = 2 2 1 − p2 3 (q 2 − p2 ) (1 − p2 ) . ⎤ 1 − p2 sin x cos x 1 − q 2 sin2 x 2q 2 − p2 − 1 q 2 − p2 ⎦ < +2 E α, + 3 1 − p2 1 − p2 1 − p2 sin2 x 3 (q 2 − p2 ) + , π BY (284.05) 0 < p2 < q 2 < 1, 0 < x ≤ 2 . . 1 − q 2 sin2 x q 2 − p2 dx 1 E α, = 1 − p2 1 − p2 sin2 x 1 − p2 sin2 x 1 − p2 + π, 0 < p2 < q 2 < 1, 0 < x ≤ 2 < BY (284.01) 8. / . 0 2 2 − p2 0 1 − p2 sin2 x 1 − p q sin x cos x q 2 − p2 1 < dx = E α, − 3 2 2 2 2 2 1 − q 1 − p 1 − q 2 1 − q sin x 1 − p sin2 x 1 − q 2 sin2 x + π, . 0 < p2 < q 2 < 1, 0 < x ≤ 2 9. . dx 2 2 1 + (p r − p2 − r2 ) sin2 x . BY (284.04) 1 − p2 sin2 x q 2 − p2 1 2 Π α, r , = 1 − p2 1 − q 2 sin2 x 1 − p2 + π, 0 < p2 < q 2 < 1, 0 < x ≤ . 2 BY (284.02) .√ 2.617 Notation: α = arcsin 1. b2 + c2 − b sin x − c cos x √ , 2 b 2 + c2 dx √ a + b sin x + c cos x 2 F (α, r) = − √ a + b 2 + c2 0 < b2 + c2 < a, . r= √ 2 b 2 + c2 √ . a + b 2 + c2 b b arcsin √ − π ≤ x < arcsin √ 2 2 2 b +c b + c2 √ 2 = −√ F (α, r) 4 2 b + c2 b a − arccos − √ 0 < |a| < b2 + c2 , arcsin √ 2 2 2 b +c b + c2 BY (294.00) b ≤ x < arcsin √ 2 b + c2 BY (293.00) 2.618 Elliptic and pseudo-elliptic integrals 2. √ 2b 2c √ sin x dx √ {2 E (α, r) − F (α, r)} + 2 a + b sin x + c cos x = −< b + c2 3 4 a + b sin x + c cos x (b2 + c2 ) b a b − arccos − √ ≤ x < arcsin √ 0 < |a| < b2 + c2 , arcsin √ b 2 + c2 b 2 + c2 b 2 + c2 BY (293.05) 3. 4. 211 √ (b cos x − c sin x) dx √ = 2 a + b sin x + c cos x a + b sin x + c cos x √ 2 b + c2 + b sin x + c cos x √ dx a + b sin x + c cos x √ < 2 + c2 2 a − b = −2 a + b2 + c2 E (α, r) + F (α, r) √ a + b 2 + c2 b b 2 2 0 < b + c < a, arcsin √ − π ≤ x < arcsin √ b 2 + c2 b 2 + c2 √ 4 = −2 2 b2 + c2 E (α, r) b a 0 < |a| < b2 + c2 , arcsin √ − arccos − √ 2 2 2 b +c b + c2 BY (294.04) b ≤ x < arcsin √ 2 b + c2 BY (293.01) 5. √ a + b sin x + c cos x dx < = −2 a + b2 + c2 E (α, r) 0 < b2 + c2 < a, b b arcsin √ − π ≤ x < arcsin √ b 2 + c2 b 2 + c2 BY (294.01) √ √ 2 + c2 − a √ 2 b 4 √ = −2 2 b2 + c2 E (α, r) + F (α, r) 4 2 b + c2 −a b b − arccos √ 0 < |a| < b2 + c2 , arcsin √ ≤ x < arcsin √ b 2 + c2 b 2 + c2 b 2 + c2 BY (293.03) √ 1 R sin ax, cos ax, cos 2ax dx = R sin t, cos t, 1 − 2 sin2 t dt a where the substitution √ t = ax has been used. 2 sin ax Notation: α = arcsin √ The integrals R sin ax, cos ax, cos 2ax dx are special cases of the integrals 2.595. for (p = 2). 2.618 Integrals of the form We give some formulas: dx 1 1 √ 1. = √ F α, √ a 2 cos 2ax 2 2 cos ax 1 1 √ 2. dx = √ E α, √ cos 2ax a 2 2 + π, 0 < ax ≤ 4 + π, 0 < ax ≤ 4 212 Trigonometric Functions 3. √ 2 dx √ E = 2 a cos ax cos 2ax 1 α, √ 2 − tan x √ cos 2ax a 2.619 + π, 0 < ax ≤ 4 √ √ 2 ax + 1 sin ax √ 6 cos 2 1 1 2 2 dx √ E α, √ F α, √ = cos 2ax 4. − − a 3a 3a,cos3 ax cos4 ax cos 2ax 2 2+ π 0<x≤ 4 √ 2 √ 1 2 1 tan ax dx 1 1 √ E α, √ = 5. − √ F α, √ − tan ax cos 2ax a a cos 2ax 2 a 2 2 + π, 0<x≤ 2 tan4 ax dx 1 1 sin ax √ √ 6. = √ F α, √ cos 2ax − 3a cos3 ax cos 2ax 3a 2 2 + π, 0 < ax ≤ 4 + 1 π, 1 dx √ = √ Π α, r2 , √ 0 < ax ≤ 7. 2 4 1 − 2r2 sin ax cos 2ax a 2 2 √ 1 2 1 1 dx sin 2ax √ = √ F α, √ E α, √ 8. − + √ 3 a a 2 2 2 a cos 2ax cos 2ax + π, 0 < ax ≤ 4 + sin 2ax sin2 ax dx 1 1 π, √ = √ 9. − √ E α, √ 0 < ax ≤ 4 2a cos 2ax a 2 2 cos3 2ax + 1 1 dx π, sin 2ax √ = √ F α, √ 10. 0 < ax ≤ + √ 4 2 3a 2 cos5 2ax 3a cos3 2ax √ √ 1 2 1 1 E α, √ cos 2ax dx = 11. − √ F α, √ a 2 a 2 2 + π, 0 < ax ≤ 4 √ √ √ cos 2ax 2 1 1 1 dx = 12. F α, √ + tan ax cos 2ax − E α, √ cos2 ax a a 2 2 + π, 0<x≤ 4 √ 1 2.619 Integrals of the form R sin ax, cos ax, − cos 2ax dx = R sin x, cos x, 2 sin2 x − 1 dx a √ 2 cos ax Notation: α = arcsin The integrals R sin x, cos x, 2 sin2 x − 1 dx are special cases of the integrals 2.599 and 2.611 for (a = 2). We give some formulas: 2.621 Elliptic and pseudo-elliptic integrals 213 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 1 dx 1 √ = − √ F α, √ − cos 2ax a 2 2 2 1 cos ax dx 1 1 √ = √ E α, √ − F α, √ − cos 2ax 2 2 a 2 4 √ 1 1 cos ax dx 1 5 1 √ sin 2ax − cos 2ax = √ 3 F α, √ − E α, √ − 2 12a − cos 2ax 2 2 3a 2 √ √ 1 2 dx 1 √ E α, √ = cot ax − cos 2ax − 2 a a sin ax − cos 2ax 2 dx 2 1 1 √ √ √ √ = F α, − 6 E α, sin4 ax − cos 2ax 3a 2 2 2 √ 1 cos ax 2 6 sin ax + 1 − cos 2ax + 3a sin3 ax √ cot2 ax dx 1 1 1 1 √ = √ F α, √ − 2 E α, √ + cot ax − cos 2ax a − cos 2ax a 2 2 2 dx 1 1 √ = − √ Π α, r2 , √ 2 2 (1 − 2r cos ax) − cos 2ax a 2 2 dx 1 1 1 sin 2ax √ = √ F α, √ − 2 E α, √ + √ 3 a − cos 2ax a 2 2 2 − cos 2ax 2 cos ax dx 1 sin 2ax 1 √ = √ − √ E α, √ 3 2a − cos 2ax a 2 2 − cos 2ax 1 1 dx sin 2ax √ = − √ F α, √ − √ 5 3a 2 2 − cos 2ax 3a − cos3 2ax √ 1 1 1 − cos 2ax dx = √ F α, √ − 2 E α, √ a 2 2 2 2.621 Integrals of the form Notation: α = arcsin √ R sin ax, cos ax, sin 2ax dx. 2 sin ax . 1 + sin ax + cos ax √ 1 dx 2 √ F α, √ = a 2 sin 2ax ⎡ √ 1+i 1 2 ⎣1 + i sin ax dx √ Π α, ,√ = a 2 2 2 sin 2ax 1. 2. 1−i 1 1−i Π α, ,√ + 2 2 2 3. BY (287.50) +F √ 2 sin ax dx √ = F a (1 + sin ax + cos ax) sin 2ax 1 α, √ 2 1 α, √ 2 − 2E −E ⎤ 1 ⎦ α, √ 2 1 α, √ 2 BY (287.57) BY (287.54) 214 Trigonometric Functions 4. 5. 6. √ 2 sin ax dx √ = a (1 − sin ax + cos ax) sin 2ax √ tan ax − E √ 1 2 (1 + cos ax) dx √ E α, √ = a 2 (1 + sin ax + cos ax) sin 2ax √ 2 (1 + cos ax) dx 1 √ = F α, √ a 2 (1 − sin ax + cos ax) sin 2ax 7. 8. √ 2 (1 − sin ax + cos ax) dx √ = a (1 + sin ax + cos ax) sin 2ax 2E 2.631 1 α, √ 2 + π, ax = 2 BY (287.55) BY (287.51) √ 1 − E α, √ + tan ax 2 + π, ax = 2 1 1 − F α, √ α, √ 2 2 BY (287.56) . BY (287.52) √ 2 (1 + sin ax + cos ax) dx 1 √ Π α, r2 , √ = 2 a 2 [1 + cos ax + (1 − 2r ) sin ax] sin 2ax BY (287.53) 2.63–2.65 Products of trigonometric functions and powers 2.631 ⎡ xr sinp x cosq x dx = 1. 1 ⎣(p + q)xr sinp+1 x cosq−1 x (p + q)2 p r−1 q +rx sin x cos x − r(r − 1) xr−2 sinp x cosq x dx ⎤ − rp xr−1 sinp−1 x cosq−1 x dx + (q − 1)(p + q) xr sinp x cosq−2 x dx⎦ ⎡ 1 ⎣ − (p + q)xr sinp−1 x cosq+1 x = (p + q)2 +rxr−1 sinp x cosq x − r(r − 1) xr−2 sinp x cosq x dx + rq r−1 x p−1 sin x cos q−1 ⎤ p−2 r q x dx + (p − 1)(p + q) x sin x cos x dx⎦ GU (331)(1) xm sinn x dx = 2. 3. xm cosn x dx = m−1 n−1 sin x {m sin x − nx cos x} 2 n n−1 m(m − 1) + xm−2 sinn x dx xm sinn−2 x dx − n n2 x xm−1 cosn−1 x {m cos x + nx sin x} n2 n−1 m(m − 1) m n−2 x cos + x dx − xm−2 cosn x dx n n2 2.633 Trigonometric functions and powers xn sin2m x dx = 4. 2m xn+1 m 22m (n + 1) m−1 (−1)m (−1)k + 2m−1 2 k=0 2m k 215 xn cos(2m − 2k)x dx (see 2.633 2) xn sin2m+1 x dx = 5. (−1) 22m m (−1)k k=0 2m + 1 k TI 333 xn sin(2m − 2k + 1)x dx (see 2.633 1) xn cos2m x dx = 6. m TI 333 n+1 2m x m 22m (n + 1) m−1 2m 1 + 2m−1 xn cos(2m − 2k)x dx k 2 k=0 (see 2.633 2) xn cos2m+1 x dx = 7. m 1 22m k=0 2m + 1 k TI 333 xn cos(2m − 2k + 1)x dx (see 2.633 2) 2.632 xμ−1 sin βx dx = 1. i i −μ −μ (iβ) γ(μ, iβx) − (−iβ) γ (μ, −iβx) 2 2 xμ−1 sin ax dx = − 2. xμ−1 cos βx dx = 3. 4. 2.633 xn sin ax dx = − 1. 2. 1 2aμ 1 −μ −μ (iβ) γ(μ, iβx) + (−iβ) γ (μ, −iβx) 2 n xn cos ax dx = n 2n x n k k! k=0 3. n k k! k=0 8 [Re μ > −1, x > 0] ET I 317(2) πi πi (μ − 1) Γ(μ, −iax) + exp (1 − μ) Γ(μ, iax) exp 2 2 [Re μ < 1, a > 0, x > 0] ET I 317(3) [Re μ > 0, x > 0] π π 1 Γ(μ, −iax) + exp −iμ Γ(μ, iax) xμ−1 cos ax dx = − μ exp iμ 2a 2 2 TI 333 sin x dx = (2n)! n k=0 ET I 319(22) ET I 319(23) xn−k 1 cos ax + kπ ak+1 2 TI (487) xn−k 1 sin ax + kπ ak+1 2 k+1 (−1) TI (486) n−1 x2n−2k x2n−2k−1 k cos x + sin x (−1) (2n − 2k)! (2n − 2k − 1)! k=0 216 Trigonometric Functions n 2n−2k x2n−2k+1 k x cos x + sin x x sin x dx = (2n + 1)! (−1) (−1) (2n − 2k + 1)! (2n − 2k)! k=0 k=0 n n−1 2n−2k 2n−2k−1 x x x2n cos x dx = (2n)! sin x + cos x (−1)k (−1)k (2n − 2k)! (2n − 2k − 1)! k=0 k=0 n n x2n−2k+1 x2n−2k 2n+1 k x sin x + cos x cos x dx = (2n + 1)! (−1) (2n − 2k + 1)! (2n − 2k)! 4. 5. 6. 2.634 2n+1 n k+1 k=0 k=0 2.634 1. n/2 (2k) Pn (x) sin mx cos mx Pn (x) sin mx dx = − (−1)k + m m2k m k=0 2. sin mx m n/2 Pn (x) cos mx dx = k=0 (2k) Pn (x) (−1)k m2k + cos mx m (n+1)/2 (2k−1) (−1)k−1 k=1 (n+1)/2 k=1 Pn (x) m2k−1 (2k−1) (−1)k−1 Pn (x) m2k−1 (k) In formulas 2.634, Pn (x) is any nth -degree polynomial, and Pn (x) is its k th derivative with respect to x. 2.635 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Notation: z1 = a + bx. 1 b z1 sin kx dx = − z1 cos kx + 2 sin kx k k 1 b z1 cos kx dx = z1 sin kx + 2 cos kx k k 1 2b2 2bz1 z12 sin kx dx = − z12 cos kx + 2 sin kx k k2 k 1 2b2 2bz1 z12 cos kx dx = z12 − 2 sin kx + 2 cos kx k k k 2 z1 6b 2b2 3b 2 2 − z − z13 sin kx dx = cos kx + z sin kx 1 1 k k2 k2 k2 z1 6b2 2b2 3b z13 cos kx dx = z12 − 2 sin kx + 2 z12 − 2 cos kx k k k k 2 4 1 12b 24b 6b2 4bz1 cos kx + 2 z12 − 2 sin kx z14 sin kx dx = − z14 − 2 z12 + 4 k k k k k 2 4 2 1 12b 24b 6b 4bz1 sin kx + 2 z12 − 2 cos kx z14 cos kx dx = z14 − 2 z12 + 4 k k k k k 5b 12b2 24b4 20b2 120b4 z1 sin kx − cos kx z15 sin kx dx = 2 z14 − 2 z12 + 4 z14 − 2 z12 + k k k k k k4 5b 12b2 24b4 20b2 120b4 z1 cos kx + sin kx z15 cos kx dx = 2 z14 − 2 z12 + 4 z14 − 2 z12 + k k k k k k4 2.637 Trigonometric functions and powers 6bz1 20b2 2 120b4 4 − z + z sin kx 1 k2 k2 1 k4 30b2 360b4 2 720b6 1 z − − z16 − 2 z14 + k k k4 1 k6 z16 sin kx dx = 11. 2.636 xn+1 2(n + ⎧1) n/2 n! ⎨ (−1)k+1 xn−2k sin 2x + + 4 ⎩ 22k (n − 2k)! xn sin2 x dx = 1. k=0 xn cos2 x dx = xn+1 2(n + ⎧1) n/2 n! ⎨ (−1)k+1 xn−2k sin 2x + − 4 ⎩ 22k (n − 2k)! k=0 x sin2 x dx = x cos2 x dx = 5. 2.637 1.11 x 1 x3 − cos 2x − 6 4 4 (n−1)/2 k=0 ⎫ ⎬ (−1)k+1 xn−2k−1 cos 2x ⎭ 22k+1 (n − 2k − 1)! x2 − 1 2 sin 2x MZ 241 1 2 sin 2x MZ 245 x 1 x2 + sin 2x + cos 2x 4 4 8 x2 cos2 x dx = 6. k=0 ⎫ ⎬ (−1)k+1 xn−2k−1 cos 2x ⎭ 22k+1 (n − 2k − 1)! x 1 x2 − sin 2x − cos 2x 4 4 8 x2 sin2 x dx = 4. (n−1)/2 GU (333)(3e) 3. sin kx GU (333)(2e) 2. cos kx 6bz1 20b2 2 120b4 4 − z + z cos kx 1 k2 k2 1 k4 30b2 360b4 2 720b6 1 z − + z16 − 2 z14 + k k k4 1 k6 z16 cos kx dx = 12. 217 x 1 x3 + cos 2x + 6 4 4 x2 − ⎧ n/2 ⎨ (−1)k xn−2k n! 3 n x sin x dx = 4 ⎩ (n − 2k)! k=0 (n−1)/2 − k=0 cos 3x − 3 cos x 32k+1 xn−2k−1 (−1)k (n − 2k − 1)! ⎫ ⎬ sin 3x − 3 sin x ⎭ 32k+2 GU(333)(2f) 218 Trigonometric Functions 2. ⎧ n/2 n! ⎨ (−1)k xn−2k xn cos3 x dx = 4 ⎩ (n − 2k)! k=0 [(n−1)/2] + (−1)k k=0 x sin3 x dx = x cos3 x dx = 5. 2.638 1. 2. 3.6 4.6 cos 3x + 3 cos x ⎭ 32k+2 3 2 3 x + 4 2 cos x + x2 1 + 12 54 x 3 sin 3x cos 3x + x sin x − 2 18 MZ 241 1 3 x 3 cos x + cos 3x + x sin x + sin 3x 4 36 4 12 x2 cos3 x dx = 6. x (n − 2k − 1)! ⎫ ⎬ 1 3 x 3 sin x − sin 3x − x cos x + cos 3x 4 36 4 12 x2 sin3 x dx = − 4. n−2k−1 GU(333)(3f) 3. sin 3x + 3 sin x 32k+1 2.638 3 2 3 x − 4 2 sin x + 1 x2 − 12 54 x 3 cos 3x sin 3x + x cos x + 2 18 sinq x sinq−1 x [(p − 2) sin x + qx cos x] dx = − xp (p − 1)(p − 2)xp−1 q2 q(q − 1) sinq x dx sinq−2 x dx − + p−2 (p − 1)(p − 2) x (p − 1)(p − 2) xp−2 [p = 1, p = 2] cosq x cosq−1 x [(p − 2) cos x − qx sin x] dx = − p p−1 x (p − 1)(p − 2)x 2 q q q(q − 1) cos x dx cosq−2 x dx − + p−2 (p − 1)(p − 2) x (p − 1)(p − 2) xp−2 [p = 1, p = 2] cos x dx sin x dx sin x 1 =− + p p−1 x (p − 1)x p−1 xp−1 sin x cos x 1 sin x dx =− − − p−1 p−2 (p − 1)x (p − 1)(p − 2)x (p − 1)(p − 2) xp−2 (p > 2) cos x 1 cos x dx sin x dx =− − xp (p − 1)xp−1 p−1 xp−1 cos x sin x 1 cos x dx =− + − (p − 1)xp−1 (p − 1)(p − 2)xp−2 (p − 1)(p − 2) xp−2 (p > 2) MZ 245, 246 TI (496) TI (495) TI (492) TI (491) 2.641 Trigonometric functions and powers 2.639 1. 219 ⎧ n−2 sin x dx (−1)n+1 ⎨ (−1)k (2k + 1)! = cos x x2n x(2n − 1)! ⎩ x2k+1 k=0 ⎫ n−1 ⎬ (−1)n+1 (−1)k+1 (2k)! ci(x) + sin x + ⎭ (2n − 1)! x2k k=0 2. ⎧ ⎨ n−1 (−1)k+1 (2k)! sin x (−1)n+1 dx = x2n+1 x(2n)! ⎩ + n−1 k=0 3. cos x dx (−1)n+1 dx = x2n x(2n − 1)! ⎩ n−2 k=0 4. cos x ⎫ ⎬ (−1)n (−1)k+1 (2k + 1)! si(x) sin x + ⎭ x2k+1 (2n)! k=0 ⎧ ⎨ n−1 (−1)k+1 (2k)! − x2k GU (333)(6b)a x2k GU (333)(6b)a cos x ⎫ ⎬ (−1)k (2k + 1)! (−1)n si(x) sin x + ⎭ (2n − 1)! x2k+1 k=0 GU (333)(7b) ⎧ ⎨ n−1 (−1)k+1 (2k + 1)! cos x dx (−1)n+1 = x2n+1 x(2n)! ⎩ cos x x2k+1 ⎫ n−1 ⎬ (−1)n (−1)k+1 (2k)! − ci(x) sin x + ⎭ x2k (2n)! k=0 k=0 GU (333)(7b) 2.641 1. 2. 3. 4. 5. 1 ka sin kx ka dx = si(u) − sin ci(u) cos a + bx b b b cos kx 1 ka ka dx = ci(u) + sin si(u) cos a + bx b b b sin kx k cos kx 1 sin kx + dx dx = − (a + bx)2 b a + bx b a + bx k sin kx 1 cos kx cos kx − dx dx = − (a + bx)2 b a + bx b a + bx sin kx k2 sin kx k cos kx − dx = − − (a + bx)3 2b(a + bx)2 2b2 (a + bx) 2b2 k u = (a + bx) b k u = (a + bx) b (see 2.641 2) (see 2.641 1) sin kx dx a + bx (see 2.641 1) 220 Trigonometric Functions 6. 7. 8. 9. 10. 11. 12. 2.642 1. 2. k2 cos kx k sin kx cos kx − dx = − + (a + bx)3 2b(a + bx)2 2b2 (a + bx) 2b2 4. cos kx dx a + bx (see 2.641 2) sin kx sin kx k cos kx dx = − − 2 (a + bx)4 3b(a + bx)3 6b (a + bx)2 2 3 k k sin kx cos kx − dx + 2 6b (a + bx) 6b3 a + bx (see 2.641 2) k3 cos kx cos kx k sin kx k cos kx sin kx + 3 dx dx = − + 2 + 3 4 3 2 (a + bx) 3b(a + bx) 6b (a + bx) 6b (a + bx) 6b a + bx (see 2.641 1) 2 sin kx k cos kx sin kx dx = − − 5 4 (a + bx) 4b(a + bx) 12b2 (a + bx)3 k 2 sin kx k 3 cos kx k4 sin kx dx + + 3 2 4 4 24b (a + bx) 24b (a + bx) 24b a + bx (see 2.641 1) cos kx k sin kx cos kx dx = − + 5 4 (a + bx) 4b(a + bx) 12b2 (a + bx)3 2 k4 k cos kx k 3 sin kx cos kx + dx + − 24b3 (a + bx)2 24b4 (a + bx) 24b4 a + bx (see 2.641 2) sin kx sin kx k cos kx k 2 sin kx k 3 cos kx dx = − − + + (a + bx)6 5b(a + bx)5 20b2 (a +bx)4 60b3 (a + bx)3 120b4 (a + bx)2 k5 k 4 sin kx cos kx + dx − 120b5 (a + bx) 120b5 a + bx (see 2.641 2) cos kx cos kx k sin kx k 2 cos kx dx = − + + 6 5 2 4 (a + bx) 5b(a + bx) 20b (a + bx) 60b3 (a + bx)3 3 4 k5 k sin kx k cos kx sin kx − dx − − 4 2 5 120b (a + bx) 120b (a + bx) 120b5 a + bx (see 2.641 1) sin2m x dx = x 2m m m−1 ln x (−1)m + (−1)k 22m 22m−1 k=0 m sin2m+1 x (−1)m dx = 2m (−1)k x 2 k=0 3. 2.642 cos2m x dx = x 2m m 2m + 1 k m−1 ln x 1 + 2m 2m−1 2 2 k=0 m 1 cos2m+1 x dx = 2m x 2 k=0 2m + 1 k 2m k ci[(2m − 2k)x] si[(2m − 2k + 1)x] 2m k ci[(2m − 2k)x] ci[(2m − 2k + 1)x] 2.643 Trigonometric functions and powers 5. 6. 8. 2.643 3.4 2m 1 2m m 2 x m−1 (−1)m (−1)k+1 + 2m−1 2 k=0 2m+1 sin x 2m k cos(2m − 2k)x + (2m − 2k) si[(2m − 2k)x] x 2m + 1 (−1)m (−1)k+1 2m k 2 k=0 sin(2m − 2k + 1)x × − (2m − 2k + 1) ci[(2m − 2k + 1)x] x m dx = cos2m x dx = − x2 2m 1 2m m 2 x m−1 2m 1 − 2m−1 k 2 cos(2m − 2k)x + (2m − 2k) si[(2m − 2k)x] x k=0 ⎧ m cos2m+1 x 1 2m + 1 ⎨ cos(2m − 2k + 1)x = − 2m ⎩ k x2 2 x k=0 ⎫ ⎬ + (2m − 2k + 1) si[(2m − 2k + 1)x] ⎭ 1. 2. sin2m x dx = − x2 x2 7. 221 xp dx xp−1 [p sin x + (q − 2)x cos x] q − 2 =− + q sin x q−1 (q − 1)(q − 2) sinq−1 x xp dx p(p − 1) + sinq−2 x (q − 1)(q − 2) xp−2 dx sinq−2 x xp dx xp−1 [p cos x − (q − 2)x sin x] =− q cos x (q − 1)(q − 2) cosq−1 x p−2 p(p − 1) dx q−2 xp dx x + + q − 1 cosq−2 x (q − 1)(q − 2) cosq−2 x 2k−1 ∞ −1 xn xn k+1 2 2 dx = + B2k xn+2k (−1) sin x n (n + 2k)(2k)! k=1 [|x| < π, 4. xn 5.8 6. n−1 n 2 1 −1 dx = − n − [1 + (−1)n ] (−1) 2 Bn ln x − sin x nx n! xn dx = cos x ∞ k=0 ∞ k=1 k= n 2 n > 0] TU (333)(8b) 2n 2 2 −1 B2k x2k−n (−1)k (2k − n) · (2k)! [n > 1, |x| > π] , + π |x| < , n > 0 2 |E2k |xn+2k+1 (n + 2k + 1)(2k)! GU (333)(9b) GU (333)(10b) ∞ 1 |E2k |x2k−n+1 dx n |En−1 | = [1 − (−1) ln x + ] n x cos x 2 (n − 1)! (2k − n + 1) · (2k)! k=0 k= n−1 2 + π, |x| < 2 GU (333)(11b) 222 Trigonometric Functions 7. 8. 2.644 ∞ 22k xn+2k−1 n xn dx n n−1 = −x x B2k cot x + + n (−1)k 2 n−1 (n + 2k − 1)(2k)! sin x k=1 [|x| < π, n > 1] GU (333)(8c) n xn n+1 cot x 2 n n dx =− n + Bn+1 ln x − [1 − (−1)n ] (−1) 2 2 n+1 x (n + 1)x (n + 1)! sin x ∞ n (−1)k (2x)2k − n+1 B2k 2 (2k − n − 1)(2k)! k=1 k= n+1 2 9. xn dx = xn tan x + n cos2 x 10. xn ∞ k=1 (−1)k 2 2k 22k − 1 xn+2k−1 B2k (n + 2k − 1) · (2k)! + n > 1, 1. 2. 3. GU (333)(9c) |x| < π, 2 GU (333)(10c) n+1 tan x 2n n n+1 dx = 2 − [1 − (−1)n ] (−1) 2 − 1 Bn+1 ln x 2 n cos x x (n + 1)! ∞ n (−1)k 22k − 1 (2x)2k − n+1 B2k x (2k − n − 1)(2k)! k=1 k= n+1 2 2.644 [|x| < π] + π, |x| < 2 GU (333)(11c) n−1 (2n − 2)(2n − 4) . . . (2n − 2k + 2) sin x + (2n − 2k)x cos x x dx = − 2n (2n − 1)(2n − 3) . . . (2n − 2k + 3) (2n − 2k + 1)(2n − 2k) sin2n−2k+1 x sin x k=0 n−1 2 (n − 1)! + (ln sin x − x cot x) (2n − 1)!! n−1 (2n − 1)(2n − 3) . . . (2n − 2k + 1) x dx sin x + (2n − 2k − 1)x cos x =− 2n+1 2n(2n − 2) . . . (2n − 2k + 2) (2n − 2k)(2n − 2k − 1) sin2n−2k x sin x k=0 (2n − 1)!! x dx + 2n n! sin x (see 2.644 5) n−1 (2n − 2)(2n − 4) . . . (2n − 2k + 2) x dx (2n − 2k)x sin x − cos x = 2n cos x (2n − 1)(2n − 3) . . . (2n − 2k + 3) (2n − 2k + 1)(2n − 2k) cos2n−2k+1 x k=0 n−1 + 4. 2 (n − 1)! (x tan x + ln cos x) (2n − 1)!! n−1 (2n − 1)(2n − 3) . . . (2n − 2k + 1) x dx (2n − 2k + 1)x sin x − cos x = 2n+1 cos x 2n(2n − 2) . . . (2n − 2k + 2) (2n − 2k)(2n − 2k − 1) cos2n−2k x k=0 (2n − 1)!! x dx + 2n n! cos x (see 2.644 6) 2.645 Trigonometric functions and powers 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 223 2k−1 ∞ −1 x dx k+1 2 2 =x+ B2k x2k+1 (−1) sin x (2k + 1)! k=1 x dx = cos x ∞ k=0 |E2k |x2k+2 (2k + 2)(2k)! x dx = −x cot x + ln sin x sin2 x x dx = x tan x + ln cos x cos2 x x dx sin x + x cos x 1 x dx (see 2.644 5) = − + 2 sin x sin3 x 2 sin2 x x sin x − cos x 1 x dx x dx = + (see 2.644 6) cos3 x 2 cos2 x 2 cos x 2 x dx x cos x 1 2 =− − − x cot x + ln (sin x) 3 sin4 x 3 sin3 x 6 sin2 x 3 x sin x 1 2 2 x dx = − + x tan x − ln (cos x) cos4 x 3 cos3 x 6 cos2 x 3 3 3 x dx x dx x cos x 1 3x cos x 3 + =− − − − 8 sin x 8 sin x sin5 x 4 sin4 x 12 sin3 x 8 sin2 x (see 2.644 5) x dx cos x x sin x 1 3x sin x 3 3 x dx = − + − + 5 4 3 2 cos x 4 cos x 12 cos x 8 cos x 8 cos x 8 (see 2.644 6) 2.645 1. m x dx = (−1)k x k cosn x p sin 3. m k=0 2. 2m m sin2m+1 x dx = (−1)k n k cos x m xp dx cosn−2k x (see 2.643 2) xp sin x dx (see 2.645 3) cosn−2k x k=0 xp p sin x dx xp−1 = − dx xp cosn x (n − 1) cosn−1 x n − 1 cosn−1 x xp [n > 1] 4. 5. 6. (−1)k m k (see 2.643 2) GU (333)(12) xp dx sinn−2k x k=0 p m cos2m+1 x x cos x k m dx = dx xp (−1) n k sin x sinn−2k x k=0 p−1 cos x dx xp x p xp n = − + sin x (n − 1) sinn−1 x n − 1 sinn−1 x xp cos2m x dx = sinn x m (see 2.643 1) (see 2.645 6) [n > 1] (see 2.643 1) GU (333)(13) 224 Trigonometric Functions 2.646 7. 8. 2.646 x x cos x x + ln tan dx = − sin x 2 sin2 x x x π x sin x dx = − ln tan + cos2 x cos x 2 4 p 1. x tan x dx = ∞ (−1) k=1 xp cot x dx = 2. 3. ∞ k=0 (−1)k 22k−1 − 1 B2k xp+2k (p + 2k) · (2k)! k+1 2 2k 22k B2k xp+2k (p + 2k)(2k)! xp tan2 x dx = x tan x + ln cos x − x2 2 x cot2 x dx = −x cot x + ln sin x − x2 2 4. 2.647 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. + p ≥ −1, [p ≥ 1, |x| < π, 2 |x| < π] GU (333)(12d) GU (333)(13d) xn n xn cos x dx xn−1 dx = − + m m−1 (m − 1)b (a + b sin x)m−1 (a + b sin x) (m − 1)b (a + b sin x) [m = 1] xn sin x dx xn n xn−1 dx = − m m−1 (m − 1)b (a + b cos x)m−1 (a + b cos x) (m − 1)b (a + b cos x) [m = 1] π x π x x dx = −x tan − + 2 ln cos − 1 + sin x 4 2 4 2 π x π x x dx = x cot − − + 2 ln sin 1 − sin x 4 2 4 2 x x x dx = x tan + 2 ln cos 1 + cos x 2 2 x x x dx = −x cot + 2 ln cos 1 − cos x 2 2 x π x cos x x 2 dx = − 1 + sin x + tan 2 − 4 (1 + sin x) x π x x cos x 2 dx = 1 − sin x + tan 2 + 4 (1 − sin x) x x sin x x 2 dx = 1 + cos x − tan 2 (1 + cos x) x x sin x x 2 dx = − 1 − cos x − cot 2 (1 − cos x) MZ 247 MZ 247 PE (329) PE (330) PE (331) PE (332) MZ 247a 2.654 2.648 1. 2. Trigonometric functions and powers 225 x x + sin x dx = x tan 1 + cos x 2 x x − sin x dx = −x cot 1 − cos x 2 x2 dx GU (333)(16) x sin x + cos x GU (333)(17) 2 = b [(ax − b) sin x + (a + bx) cos x] [(ax − b) sin x + (a + bx) cos x] tan x dx 2.651 GU (333)(18) 2 = a [a + (ax + b) tan x] [a + (ax + b) tan x] cos(x − t) x dx = cosec 2t x ln − L(x + t) + L(x − t) 2.652 cos(x + t) cos(x − t) cos(x + t) !π !, + ! ! t = nπ; |x| < ! − |t0 |! , 2 where t0 is the value of the argument t, which is reduced by multiples of the argument π to lie in the LO III 288 interval − π2 , π2 . 2.653 √ √ sin x √ dx = 2π S 1. x (cf. 8.251 21) x √ √ cos x √ dx = 2π C 2. x (cf. 8.251 3) x 2.649 2.654 1. 2. 3. 4. 5. 6. 7. 8. √ Notation: Δ = 1 − k 2 sin2 x, k = 1 − k 2 : xΔ x sin x cos x 1 dx = − 2 + 2 E (x, k) Δ k k k2 x sin3 x cos x 2k 2 + 5 1 dx = − 4 F (x, k) + E (x, k) − 4 3 3 − Δ2 x + k 2 sin x cos x Δ 4 Δ 9k 9k 9k , 3 2 2 k x sin x cos x 7k − 5 1 + 2 2 2 3 Δ x − k dx = − 4 F (x, k) + E (x, k) − − 3k sin x cos x Δ Δ 9k 9k 4 9k 4 1 x cos x x sin x dx + 2 arcsin (k sin x) dx = − 2 Δ3 k Δ kk x sin x 1 x cos x dx + ln (k cos x + Δ) = Δ3 Δ k 1 x sin x cos x dx x = 2 − 2 F (x, k) 3 Δ k Δ k 3 x sin x cos x dx 1 2 − k 2 sin2 x − 4 [E (x, k) + F (x, k)] =x 3 Δ k4 Δ k x sin x cos3 x dx k2 sin2 x + k 2 − 2 k 2 1 + = x F (x, k) + 4 E (x, k) 3 4 4 Δ k Δ k k 226 Trigonometric Functions 2.655 2.655 Integrals containing sin x2 and cos x2 In integrals containing sin x2 and cos x2 , it is expedient to make the substitution x2 = u. xp−1 p−1 p 2 2 cos x + xp−2 cos x2 dx 1. x sin x dx = − 2 2 xp−1 p−1 2. xp cos x2 dx = sin x2 − xp−2 sin x2 dx 2 2 ⎧ r ⎨ xn−4k+3 cos x2 xn−4k+1 sin x2 n 2 k − 3. x sin x dx = (n − 1)!! (−1) ⎩ 22k−1 (n − 4k + 3)!! 22k (n − 4k + 1)!! k=1 ⎫ ⎬ (−1)r xn−4r sin x2 dx + 2r ⎭ 2 (n − 4r − 1)!! + : n ;, GU (336)(4a) r= 4 ⎧ r ⎨ xn−4k+3 sin x2 xn−4k+1 cos x2 + 2k 4. xn cos x2 dx = (n − 1)!! (−1)k−1 2k−1 ⎩ 2 (n − 4k + 3)!! 2 (n − 4k + 1)!! k=1 ⎫ ⎬ r (−1) xn−4r cos x2 dx + 2r ⎭ 2 (n − 4r − 1)!! + : n ;, GU (336)(5a) r= 4 cos2 x 5. x sin x2 dx = − 2 sin2 x 6. x cos x2 dx = − 2 x 1 π C (x) 7. x2 sin x2 dx = − cos x2 + 2 2 2 x 1 π 2 2 2 S (x) 8. x cos x dx = sin x − 2 2 2 x2 1 9. x3 sin x2 dx = − cos x2 + sin x2 2 2 x2 1 sin x2 + cos x2 10. x3 cos x2 dx = 2 2 2.661 Trigonometric functions and exponentials 227 2.66 Combinations of trigonometric functions and exponentials 2.661 eax sinp x cosq x dx = 1 a2 + (p + q)2 eax sinp x cosq−1 x [a cos x + (p + q) sin x] − pa eax sinp−1 x cosq−1 x dx + (q − 1)(p + q) eax sinp x cosq−2 x dx TI (523) = a2 1 + (p + q)2 eax sinp−1 x cosq x [a sin x − (p + q) cos x] + qa e ax sin p−1 x cos q−1 p−2 ax q x dx + (p − 1)(p + q) e sin x cos x dx TI (524) = a2 1 + (p + q)2 eax sinp−1 x cosq−1 x a sin x cos x + q sin2 x − p cos2 x p p−2 ax q−2 ax q x dx + p(p − 1) e sin x cos x dx + q(q − 1) e sin x cos TI (525) 1 = 2 a + (p + q)2 eax sinp−1 x cosq−1 x a sin x cos x + q sin2 x − p cos2 x +q(q − 1) eax sinp−2 x cosq−2 x dx − (q − p)(p + q − 1) eax sinp−2 x cosq x dx TI (526) = 1 a2 + (p + q)2 eax sinp−1 x cosq−1 x a sin x cos x + q sin2 x − p cos2 x +p(p − 1) eax sinp−2 x cosq−2 x dx p ax q−2 + (q − p)(p + q − 1) e sin x cos x dx GU (334)(1a) For p = m and q = n even integers, the integral eax sinm x cosn x dx can be reduced by means of these formulas to the integral eax dx. However, when only m or only n is even, they can be reduced to 228 Trigonometric Functions integrals of the form e ax 2.662 1. eax sinn bx dx = n cos x dx or 1 a2 + n2 b2 eax cosn bx dx = eax sinm x dx, respectively. (a sin bx − nb cos bx) eax sinn−1 bx n−2 2 ax + n(n − 1)b e sin bx dx 2. 2.662 1 a2 + n2 b2 (a cos bx + nb sin bx) eax cosn−1 bx 2 ax n−2 + n(n − 1)b e cos bx dx eax sin2m bx dx 3. = m−1 k=0 (2m)!b2k eax sin2m−2k−1 bx (2m − 2k)! [a2 + (2m)2 b2 ] [a2 + (2m − 2)2 b2 ] · · · [a2 + (2m − 2k)2 b2 ] × [a sin bx − (2m − 2k)b cos bx] + 2m m = m eax eax + (−1)k 22m a 22m−1 k=1 [a2 (2m)2 b2 ] [a2 + 2m m−k a2 (2m)!b2m eax + (2m − 2)2 b2 ] · · · [a2 + 4b2 ] a 1 (a cos 2bkx + 2bk sin 2bkx) + 4b2 k 2 eax sin2m+1 bx dx 4. m (2m + 1)!b2k eax sin2m−2k bx [a sin bx − (2m − 2k + 1)b cos bx] (2m − 2k + 1)! [a2 + (2m + 1)2 b2 ] [a2 + (2m − 1)2 b2 ] · · · [a2 + (2m − 2k + 1)2 b2 ] k=0 m 2m + 1 eax (−1)k = 2m [a sin(2k + 1)bx − (2k + 1)b cos(2k + 1)bx] 2 2 a + (2k + 1)2 b2 m − k = k=0 eax cos2m bx dx = 5.8 m−1 k=0 + = (2m)!b2m eax [a2 + (2m)2 b2 ] [a2 + (2m − 2)2 b2 ] · · · [a2 + 4b2 ] a m 2m eax 2m 1 eax + [a cos 2kbx + 2kb sin 2kbx] m 22m a 22m−1 m − k a2 + 4b2 k 2 k=1 6. (2m)!b2k eax cos2m−2k−1 bx [a cos bx + (2m − 2k)b sin bx] (2m − 2k)! [a2 + (2m)2 b2 ] [a2 + (2m − 2)2 b2 ] · · · [a2 + (2m − 2k)2 b2 ] eax cos2m+1 bx dx m (2m + 1)!b2k eax cos2m−2k bx (2m − 2k + 1)! [a2 + (2m − 1)2 b2 ] · · · [a2 + (2m − 2k + 1)2 b2 ] k=0 m 1 eax 2m + 1 = 2m [a cos(2k + 1)bx + (2k + 1)b sin(2k + 1)bx] 2 m − k a + (2k + 1)2 b2 2 = k=0 2.663 eax (a sin bx − b cos bx) 1. eax sin bx dx = a2 + b 2 2.666 Trigonometric functions and exponentials 229 2. 3. 4. 2.664 eax sin bx (a sin bx − 2b cos bx) 2b2 eax + 4b2 + a2 (4b2 + a2 ) a a eax eax − 2 cos 2bx + b sin 2bx = 2a a + 4b2 2 eax (a cos bx + b sin bx) eax cos bx dx = a2 + b 2 eax cos bx (a cos bx + 2b sin bx) 2b2 eax eax cos2 bx dx = + 2 2 4b + a (4b2 + a2 ) a a eax eax + 2 cos 2bx + b sin 2bx = 2a a + 4b2 2 eax sin2 bx dx = 1. e eax a sin(b + c)x − (b + c) cos(b + c)x sin bx cos cx dx = 2 a2 + (b + c)2 a sin(b − c)x − (b − c) cos(b − c)x + a2 + (b − c)2 GU (334)(6b) eax a cos cx + c sin cx a cos(2b + c)x + (2b + c) sin(2b + c)x eax sin2 bx cos cx dx = − 2 4 a2 + c 2 a2 + (2b + c)2 a cos(2b − c)x + (2b − c) sin(2b − c)x − a2 + (2b − c)2 eax a sin bx − b cos bx a sin(b + 2c)x − (b + 2c) cos(b + 2c)x eax sin bx cos2 cx dx = + 2 4 a2 + b 2 a2 + (b + 2c)2 a sin(b − 2c)x − (b − 2c) cos(b − 2c)x + a2 + (b − 2c)2 2. 3. ax GU (334)(6c) GU (334)(6d) 2.665 eax dx eax [a sin bx + (p − 2)b cos bx] eax dx a2 + (p − 2)2 b2 1. = − + p p−1 2 sin bx (p − 1)(p − 2)b (p − 1)(p − 2)b2 sin bx sinp−2 bx ax eax [a cos bx − (p − 2)b sin bx] a2 + (p − 2)2 b2 e dx eax dx = − + 2. p 2 p−1 2 cos bx (p − 1)(p − 2)b cos bx (p − 1)(p − 2)b cosp−2 bx TI (530)a TI (529)a By successive for p a natural number, we obtain integrals of the form applications 2.665 ax ofaxformulas eax dx eax dx e dx e dx , , , which are not expressible in terms of a finite combination , sin bx cos bx cos2 bx sin2 bx of elementary functions. 2.666 eax a ax p p−1 ax p−1 tan 1. e tan x dx = x− x dx − eax tanp−2 x dx TI (527) e tan p−1 p−1 a eax cotp−1 x + 2. eax cotp x dx = − TI (528) eax cotp−1 x dx − eax cotp−2 x dx p−1 p−1 eax tan x 1 eax dx − (see remark following 2.665) 3. eax tan x dx = a a cos2 x 230 Trigonometric Functions eax (a tan x − 1) − a eax tan x dx e tan x dx = a eax cot x 1 eax dx ax + e cot x dx = a a sin2 x eax ax 2 (a cot x + 1) + a eax cot x dx e cot x dx = − a 2.667 4. 5. 6. ax 2 (see 2.666 3) (see remark following 2.665) (see 2.666 5) Integrals of type R (x, eax , sin bx, cos cx) dx Notation: sin t = − √ b ; a2 + b 2 a cos t = √ . a2 + b 2 2.667 xp eax p p ax (a sin bx − b cos bx) − 2 xp−1 eax (a sin bx − b cos bx) dx 1. x e sin bx dx = 2 a + b2 a + b2 p xp eax sin(bx + t) − √ xp−1 eax sin(bx + t) dx = √ 2 2 2 a +b a + b2 xp eax p (a cos bx + b sin bx) − xp−1 eax (a cos bx + b sin bx) dx 2. xp eax cos bx dx = 2 a + b2 a2 + b2 p xp eax cos(bx + t) − √ xp−1 eax cos(bx + t) dx =√ 2 2 2 a +b a + b2 n+1 (−1)k+1 n!xn−k+1 3. xn eax sin bx dx = eax sin(bx + kt) 2 2 k/2 k=1 (n − k + 1)! (a + b ) n+1 (−1)k+1 n!xn−k+1 n ax ax 4. x e cos bx dx = e cos(bx + kt) 2 2 k/2 k=1 (n − k + 1)! (a + b ) eax a2 − b 2 2ab 5. xeax sin bx dx = 2 ax − sin bx − bx − cos bx a + b2 a2 + b 2 a2 + b 2 eax a2 − b 2 2ab ax 6. xe cos bx dx = 2 ax − 2 cos bx + bx − 2 sin bx a + b2 a + b2 a + b2 ⎧% 2 2 & ⎨ 2 2 ax 2 a 2a a − b − 3b e 7. x2 eax sin bx dx = 2 x+ sin bx ax2 − 2 a + b2 ⎩ a2 + b 2 (a2 + b2 ) ⎫ % 2 & ⎬ 2 2b 3a − b 4ab − bx2 − 2 x + cos bx 2 ⎭ a + b2 (a2 + b2 ) TI 355 2.672 Trigonometric and hyperbolic functions 8. 231 ⎧% & ⎨ 2 a2 − b 2 2a a2 − 3b2 e 2 ax 2 cos bx x e cos bx dx = 2 x+ ax − 2 a + b2 ⎩ a2 + b 2 (a2 + b2 ) ⎫ % 2 & ⎬ 2 2b 3a − b 4ab + bx2 − 2 x+ sin bx 2 2 ⎭ a +b (a2 + b2 ) ax GU (335), MZ 274-275 2.67 Combinations of trigonometric and hyperbolic functions 2.671 1. sinh(ax + b) sin(cx + d) dx = 2. 3. 4. a cosh(ax + b) sin(cx + d) a2 + c 2 c − 2 sinh(ax + b) cos(cx + d) a + c2 a cosh(ax + b) cos(cx + d) sinh(ax + b) cos(cx + d) dx = 2 a + c2 c + 2 sinh(ax + b) sin(cx + d) a + c2 a sinh(ax + b) sin(cx + d) cosh(ax + b) sin(cx + d) dx = 2 a + c2 c − 2 cosh(ax + b) cos(cx + d) a + c2 a sinh(ax + b) cos(cx + d) cosh(ax + b) cos(cx + d) dx = 2 a + c2 c + 2 cosh(ax + b) sin(cx + d) a + c2 GU (354)(1) 2.672 1. 2. 3. 4. 1 (cosh x sin x − sinh x cos x) 2 1 sinh x cos x dx = (cosh x cos x + sinh x sin x) 2 1 cosh x sin x dx = (sinh x sin x − cosh x cos x) 2 1 cosh x cos x dx = (sinh x cos x + cosh x sin x) 2 sinh x sin x dx = 232 2.673 Trigonometric Functions 2.673 sinh2m (ax + b) sin2n (cx + d) dx 1. = (−1)m 22m+2n + 2m m (−1)n 22m+2n−2 2n n x+ m−1 n−1 j=0 k=0 2m j (−1)j+k (2m − 2j)2 a2 2m (−1)k m (2n − 2k)c k=0 2n n−1 (−1)m+n 22m+2n−1 2n k sin[(2n − 2k)(cx + d)] k + (2n − 2k)2 c2 × {(2m − 2j)a sinh[(2m − 2j)(ax + b)] cos[(2n − 2k)(cx + d)]} +(2 − 2k)c cosh[(2m − 2j)(ax + b)] sin[(2n − 2k)(cx + d)] GU (354)(3a) sinh2m (ax + b) sin2n−1 (cx + d) dx 2. = (−1)m+n 22m+2n−2 + 2m m n−1 k=0 n−1 m−1 n−1 (−1) 22m+2n−3 j=0 k=0 2n − 1 cos[(2n − 2k − 1)(cx + d)] k 2n−1 2m (−1)k (2n − 2k − 1)c (−1)j+k (2m − 2j)2 a2 j k + (2n − 2k − 1)2 c2 × {(2m − 2j)a sinh[(2m − 2j)(ax + b)] sin[(2n − 2k − 1)(cx + d)]} −(2n − 2k − 1)c cosh[(2m − 2j)(ax + b)] cos[(2n − 2k − 1)(cx + d)] GU (354)(3b) 3. sinh2m−1 (ax + b) sin2n (cx + d) dx 2n = n 22m+2n−2 + 2m−1 j m−1 (−1)j j=0 (2m − 2j − 1)a (−1)n 22m+2n−3 m−1 n−1 j=0 k=0 cosh[(2m − 2j − 1)(ax + d)] (−1)j+k (2m − 2j − 2m−1 j 1)2 a2 2n k + (2n − 2k)2 c2 × {(2m − 2j − 1)a cosh[(2m − 2j − 1)(ax + b)] cos[(2n − 2k)(cx + d)]} +(2n − 2k)c sinh[(2m − 2j − 1)(ax + b)] sin[(2n − 2k)(cx + d)] GU (354)(3c) 2.673 Trigonometric and hyperbolic functions 233 sinh2m−1 (ax + b) sin2n−1 (cx + d) dx 4. 2n−1 m−1 n−1 (−1)j+k 2m−1 j k (−1)n−1 = 2m−2n−4 2 a2 + (2n − 2k − 1)2 c2 2 (2m − 2j − 1) j=0 k=0 × {(2m − 2j − 1)a cosh[(2m − 2j − 1)(ax + b)] sin[(2n − 2k − 1)(cx + d)]} −(2n − 2k − 1)c sinh[(2m − 2j − 1)(ax + b)] cos[(2n − 2k − 1)(cx + d)] GU (354)(3d) sinh2m (ax + b) cos2n (cx + d) dx 5. 2n m−1 2m (−1)j j 2m 2n n sinh[(2m − 2j)(ax + b)] x + 2m+2n−1 m n 2 (2m − 2j)a j=0 n−1 2n (−1)m 2m m k + 2m+2n−1 sin[(2n − 2k)(cx + d)] 2 (2n − 2k)c k=0 2n m−1 (−1)j 2m n−1 j k 1 + 2m+2n−2 2 a2 + (2n − 2k)2 c2 2 (2m − 2j) j=0 (−1)m = 2m+2n 2 k=0 × {(2m − 2j)a sinh[(2m − 2j)(ax + b)] cos[(2n − 2k)(cx + d)]} +(2 − 2k)c cosh[(2m − 2j)(ax + b)] sin[(2n − 2k)(cx + d)] GU (354)(4a) 6. sinh2m (ax + b) cos2n−1 (cx + d) dx n−1 2n−1 (−1)m 2m m k = 2m+2n−2 sin[(2n − 2k − 2)(cx + d)] 2 (2n − 2k − 1)c k=0 2−1 m−1 (−1)j 2m n−1 j k 1 + 2m+2n−3 2 a2 + (2n − 2k − 1)2 c2 2 (2m − 2j) j=0 k=0 × {(2m − 2j)a sinh[(2m − 2j)(ax + b)] cos[(2n − 2k − 1)(cx + d)]} +(2n − 2k − 1)c cosh[(2m − 2j)(ax + b)] sin[(2n − 2k − 1)(cx + d)] GU (354)(4a) 234 Trigonometric Functions 2.673 sinh2m−1 (ax + b) cos2n (cx + d) dx 7. 2n = n 22m+2n−2 + 2m−1 j m−1 (−1)j j=0 (2m − 2j − 1)a m−1 n−1 1 22m−2n−3 j=0 k=0 cosh[(2m − 2j − 1)(ax + d)] (−1)j 2m j 2n k (2m − 2j − 1)2 a2 + (2n − 2k)2 c2 × {(2m − 2j − 1)a cosh[(2m − 2j − 1)(ax + b)] cos[(2n − 2k)(cx + d)]} +(2n − 2k)c sinh[(2m − 2j − 1)(ax + b)] sin[(2n − 2k)(cx + d)] GU (354)(4b) sinh2m−1 (ax + b) cos2n−1 (cx + d) dx 8. = m−1 n−1 1 22m+2n−4 j=0 k=0 (−1)j 2m−1 j 2n−1 k (2m − 2j − 1)2 a2 + (2n − 2k − 1)2 c2 × {(2m − 2j − 1)a cosh[(2m − 2j − 1)(ax + b)] cos[(2n − 2k − 1)(cx + d)]} +(2n − 2k − 1)c sinh[(2m − 2j − 1)(ax + b)] sin[(2n − 2k − 1)(cx + d)] GU (354)(4b) 9. cosh2m (ax + b) sin2n (cx + d) dx 2m 2n m n 22m+2n = m−1 (−1)k 2n (−1)n 2m m k sin[(2n − 2k)(cx + d)] x + 2m+2n−1 2 (2n − 2k)c 2n + + n 22m+2n−1 (−1)n 22m+2n−2 k=0 m−1 2m j j=0 (2m − 2j)a m−1 n−1 j=0 k=0 sinh[(2m − 2j)(ax + b)] (−1)k 2m j 2n k (2m − 2j)2 a2 + (2n − 2k)2 c2 × {(2m − 2j)a sinh[(2m − 2j)(ax + b)] cos[(2n − 2k)(cx + d)]} +(2n − 2k)c cosh[(2m − 2j)(ax + b)] sin[(2n − 2k)(cx + d)] GU (354)(5a) 2.673 Trigonometric and hyperbolic functions 235 cosh2m−1 (ax + b) sin2n (cx + d) dx 10. 2n = n 22m+2n−2 + m−1 2m−1 j j=0 (2m − 2j − 1)a m−1 n−1 (−1)n 22m+2n−3 j=0 k=0 sinh[(2m − 2j − 1)(ax + b)] (−1)k 2m−1 j 2n k (2m − 2j − 1)2 a2 + (2n − 2k)2 c2 × {(2m − 2j − 1)a sinh[(2m − 2j − 1)(ax + b)] cos[(2n − 2k)(cx + d)]} +(2n − 2k)c cosh[(2m − 2j − 1)(ax + b)] sin[(2n − 2k)(cx + d)] GU (354)(5a) cosh2m (ax + b) sin2n−1 (cx + d) dx 11. n−1 (−1)k+1 2n−1 (−1)n−1 2m m k cos[(2n − 2k − 1)(cx + d)] = 22m+2n−2 (2n − 2k − 1)c k=0 2n−1 m−1 n−1 (−1)k 2m j k (−1)n−1 + 2m+2n−3 2 a2 + (2n − 2k − 1)2 c2 2 (2m − 2j) j=0 k=0 × {(2m − 2j)a sinh[(2m − 2j)(ax + b)] sin[(2n − 2k − 1)(cx + d)]} −(2n − 2k − 1)c cosh[(2m − 2j)(ax + b)] cos[(2n − 2k − 1)(cx + d)] GU (354)(5b) 12. cosh2m−1 (ax + b) sin2n−1 (cx + d) dx 2n−1 m−1 n−1 (−1)k 2m−1 j k (−1)n−1 = 2m+2n−4 2 a2 + (2n − 2k − 1)2 c2 2 (2m − 2j − 1) j=0 k=0 × {(2m − 2j − 1)a sinh[(2m − 2j − 1)(ax + b)] sin[(2n − 2k − 1)(cx + d)]} −(2n − 2k − 1)c cosh[(2m − 2j − 1)(ax + b)] cos[(2n − 2k − 1)(cx + d)] GU (354)(5b) 236 Trigonometric Functions 2.673 cosh2m (ax + b) cos2n (cx + d) dx 2m 2n 13. m n 22m+2n = 2m x+ 2n + + n 22m+2n−1 2 n−1 m 22m+2n−1 k=0 m−1 2m j j=0 (2m − 2j)a 22m+2n−2 j=0 k=0 sin[(2n − 2k)(cx + d)] sinh[(2m − 2j)(ax + b)] 2m j m−1 n−1 1 k (2n − 2k)c 2n k (2m − 2j)2 a2 + (2n − 2k)2 c2 × {(2m − 2j)a sinh[(2m − 2j)(ax + b)] cos[(2n − 2k)(cx + d)]} +(2n − 2k)c cosh[(2m − 2j)(ax + b)] sin[(2n − 2k)(cx + d)] GU (354)(6) cosh2m−1 (ax + b) cos2n (cx + d) dx 14. 2n = n 22m+2n−2 + m−1 2m−1 j j=0 (2m − 2j − 1)a 2m−1 j m−1 n−1 1 22m+2n−3 j=0 k=0 sinh[(2m − 2j − 1)(ax + b)] 2n k (2m − 2j − 1)2 a2 + (2n − 2k)2 c2 × {(2m − 2j − 1)a sinh[(2m − 2j − 1)(ax + b)] cos[(2n − 2k)(cx + d)]} +(2n − 2k)c cosh[(2m − 2j − 1)(ax + b)] sin[(2n − 2k)(cx + d)] GU (354)(6) 15. cosh2m (ax + b) cos2n−1 (cx + d) dx 2m = m 22m+2n−2 + n−1 k=0 1 22m+2n−3 2n−1 k (2n − 2k − 1)c m−1 n−1 j=0 k=0 sin[(2n − 2k − 1)(cx + d)] 2m j 2n−1 k (2m − 2j)2 a2 + (2n − 2k − 1)2 c2 × {(2m − 2j)a sinh[(2m − 2j)(ax + b)] cos [(2n − 2k − 1)(cx + d)]} +(2n − 2k − 1)c cosh[(2m − 2j)(ax + b)] sin[(2n − 2k − 1)(cx + d)] GU (354)(6) 2.711 The logarithm 237 cosh2m−1 (ax + b) cos2n−1 (cx + d) dx 16. = m−1 n−1 1 22m+2n−4 j=0 k=0 2m−1 j 2n−1 k (2m − 2j − 1)2 a2 + (2n − 2k − 1)2 c2 × {(2m − 2j − 1)a sinh[(2m − 2j − 1)(ax + b)] cos[(2n − 2k − 1)(cx + d)]} +(2n − 2k − 1)c cosh[(2m − 2j − 1)(ax + b)] sin[(2n − 2k − 1)(cx + d)] GU (354)(6) 2.674 eax sinh bx sin cx dx = 1. eax sinh bx cos cx dx = 2. eax cosh bx sin cx dx = 3. eax cosh bx cos cx dx = 4. e(a+b)x [(a + b) sin cx − c cos cx] 2 [(a + b)2 + c2 ] e(a−b)x − [(a − b) sin cx − c cos cx] 2 [(a − b)2 + c2 ] e(a+b)x [(a + b) cos cx + c sin cx] 2 [(a + b)2 + c2 ] (a−b)x e − [(a − b) cos cx + c sin cx] 2 [(a − b)2 + c2 ] e(a+b)x [(a + b) sin cx − c cos cx] 2 [(a + b)2 + c2 ] e(a−b)x + [(a − b) sin cx − c cos cx] 2 [(a − b)2 + c2 ] e(a+b)x [(a + b) cos cx + c sin cx] 2 [(a + b)2 + c2 ] e(a−b)x + [(a − b) cos cx + c sin cx] 2 [(a − b)2 + c2 ] MZ 379 2.7 Logarithms and Inverse-Hyperbolic Functions 2.71 The logarithm 2.711 ln x dx = x ln x − m m m lnm−1 x dx x (−1)k (m + 1)m(m − 1) · · · (m − k + 1) lnm−k x m+1 m = k=0 (m > 0) TI (603) 238 Logarithms and Inverse-Hyperbolic Functions 2.721 2.72–2.73 Combinations of logarithms and algebraic functions 2.721 xn lnm x dx = 1. m xn+1 lnm x − n+1 n+1 xn lnm−1 x dx (see 2.722) For n = −1 m ln x dx lnm+1 x 2. = x m+1 For n = −1 and m = −1 dx = ln (ln x) 3. x ln x m xn+1 lnm−k x (−1)k (m + 1)m(m − 1) · · · (m − k + 1) 2.722 xn lnm x dx = m+1 (n + 1)k+1 TI (604) k=0 2.723 1. 2. 3. 2.724 ln x 1 x ln x dx = x − n + 1 (n + 1)2 2 ln x 2 ln x 2 − xn ln2 x dx = xn+1 + n + 1 (n + 1)2 (n + 1)3 3 ln x 3 ln2 x 6 ln x 6 − xn ln3 x dx = xn+1 + − n + 1 (n + 1)2 (n + 1)3 (n + 1)4 n 1. 2. 2.725 1. 2. n+1 xn dx xn+1 n+1 m =− m−1 + m − 1 (ln x) (m − 1) (ln x) TI 375 TI 375 xn dx m−1 (ln x) For m = 1 n x dx = li xn+1 ln x 1 (a + bx)m+1 dx (a + bx)m+1 ln x − (m + 1)b x m m m−k k k+1 b x 1 m m+1 m+1 k a (a + bx) ln x − (a + bx) ln x dx = −a (m + 1)b (k + 1)2 (a + bx)m ln x dx = k=0 For m = −1, see 2.727 2. 2.726 (a + bx)2 a2 1 − 1. (a + bx) ln x dx = ln x − ax + bx2 2b 2b 4 b2 x3 1 abx2 2. (a + bx)2 ln x dx = (a + bx)3 − a3 ln x − a2 x + + 3b 2 9 TI 374 2.731 Combinations of logarithms and algebraic functions (a + bx)3 ln x dx = 3. 2.727 8 1. 2.8 3. 4. 5. 2.728 1 dx ln x dx ln x = + − (a + bx)m b(m − 1) (a + bx)m−1 x(a + bx)m−1 For m = 1 1 1 ln(a + bx) dx ln x dx = ln x ln(a + bx) − (see 2.728 2) a + bx b b x 1 x ln x dx ln x + ln =− 2 (a + bx) b(a + bx) ab a + bx 1 x ln x dx ln x 1 + ln =− + (a + bx)3 2b(a + bx)2 2ab(a + bx) 2a2 b a + bx √ √ (a + bx)1/2 − a1/2 ln x dx 2 √ = [a > 0] (ln x − 2) a + bx − 2 a ln x1/2 a + bx b √ √ a + bx 2 (ln x − 2) a + bx + 2 −a arctan [a < 0] = b −a xm ln(a + bx) dx = 2.9 2. 3. 4. TI 376 m+1 dx 1 x xm+1 ln(a + bx) − b m+1 a + bx bx bx ln(a + bx) = ln a ln x + Φ − , 2, 1 x a a [a > 0] m+1 1 (−a)m+1 1 (−1)k xm−k+2 ak−1 m+1 x ln(a + bx) dx = − ln(a + bx) + x m+1 bm+1 m+1 (m − k + 2)bk−1 k=1 ax 1 2 a2 1 x2 − x ln(a + bx) dx = x − 2 ln(a + bx) − 2 b 2 2 b 3 3 ax2 a2 x 1 3 a 1 x 2 − + 2 x ln(a + bx) dx = x + 3 ln(a + bx) − 3 b 3 3 2b b ax3 a2 x2 1 4 a4 a3 x 1 x4 x3 ln(a + bx) dx = − + − x − 4 ln(a + bx) − 4 b 4 4 3b 2b2 b3 ⎧ ⎨ 1 x x2n ln x2 + a2 dx = x2n+1 ln x2 + a2 + (−1)n 2a2n+1 arctan 2n + 1 ⎩ a ⎫ n (−1)n−k 2n−2k 2k+1 ⎬ a x −2 ⎭ 2k + 1 m 1. 2.731 1 3 1 1 (a + bx)4 − a4 ln x − a3 x + a2 bx2 + ab2 x3 + b3 x4 4b 4 3 16 1. 2.729 239 k=0 240 Logarithms and Inverse-Hyperbolic Functions x2n+1 ln x2 + a 2.7327 2 dx = 2.732 ⎧ ⎨ 1 x2n+2 + (−1)n a2n+2 ln x2 + a2 2n + 2 ⎩ ⎫ n+1 ⎬ (−1)n−k a2n−2k+2 x2k + ⎭ k k=1 2.733 1. 2. 3. 4. 5. 2.734 x ln x2 + a2 dx = x ln x2 + a2 − 2x + 2a arctan a 2 1 x2 + a2 ln x2 + a2 − x2 x ln x + a2 dx = 2 2 3 2 1 3 2 x 2 2 2 2 3 x ln x + a dx = x ln x + a − x + 2a x − 2a arctan 3 3 a x4 1 4 + a2 x2 x − a4 ln x2 + a2 − x3 ln x2 + a2 dx = 4 2 2 5 2 2 3 2 1 5 2 x 4 2 2 4 5 x ln x + a dx = x ln x + a − x + a x − 2a x + 2a arctan 5 5 3 a ! ! x2n ln !x2 − a2 ! dx DW DW DW DW DW ! ! n ! 2 ! !x + a! 1 2! 2n+1 2n−2k 2k+1 ! ! ! a −2 ln x − a + a ln ! x x x − a! 2k + 1 k=0 1 ! 2 ! ! n+1 2n+2 ! 2 1 2n+1 2 2n+2 2 2n−2k+2 2k 2.735 x a x ln !x − a ! − ln !x − a ! dx = −a x 2n + 2 k 1 = 2n + 1 2n+1 k=1 2.736 1. 2. 3. 4. 5. ! ! ! !x + a! ! ! ! ! ln !x2 − a2 ! dx = x ln !x2 − a2 ! − 2x + a ln !! x − a! ! ! ! ! 1 2 x − a2 ln !x2 − a2 ! − x2 x ln !x2 − a2 ! dx = 2 ! ! ! 2 ! 2 !x + a! ! ! 2 3 1 2 2! 3 2! 2 3 ! ! ! ! x ln x − a dx = x ln x − a − x − 2a x + a ln ! 3 3 x − a! ! 2 ! ! x4 ! 2 1 4 3 2! 4 2! 2 2 ! ! x − a ln x − a − −a x x ln x − a dx = 4 2 ! ! ! 2 ! 2 !x + a! ! ! 2 5 2 2 3 1 4 2! 5 2! 4 5 ! ! ! ! x ln x − a dx = x ln x − a − x − a x − 2a x + a ln ! 5 5 3 x − a! DW DW DW DW DW 2.74 Inverse hyperbolic functions 2.741 x x 1. arcsinh dx = x arcsinh − x2 + a2 a a DW 2.813 Arcsines and arccosines 2. arccosh 3. 4. 2.742 x x dx = x arccosh − x2 − a2 a a x 2 = x arccosh + x − a2 a 241 + , x arccosh > 0 a + , x arccosh < 0 a DW DW x a x dx = x arctanh + ln a2 − x2 a a 2 x a x arccoth dx = x arccoth + ln x2 − a2 a a 2 arctanh 1. x arcsinh x dx = a x2 a2 + 2 4 x arccosh x dx = a x2 a2 − 2 4 x2 a2 − 2 4 2. = DW DW x x 2 − x + a2 a 4 x x 2 x − a2 arccosh − a 4 x x 2 x − a2 arccosh + a 4 arcsinh DW + , x arccosh > 0 a + , x arccosh < 0 a DW 2.8 Inverse Trigonometric Functions 2.81 Arcsines and arccosines 2.811 arcsin x a n dx = x n/2 k=0 + a2 − x2 (n+1)/2 (−1)k−1 k=1 2.812 n x · (2k)! arcsin 2k a (−1)k arccos x a n dx = x n/2 (−1)k k=0 + a2 − x2 n 2k − 1 n x · (2k)! arccos 2k a (n+1)/2 k=1 (−1)k n−2k n 2k − 1 · (2k − 1)! arcsin x a n−2k+1 n−2k · (2k − 1)! arccos 2.813 x x + a2 − x2 arcsin dx = sign(a) x arcsin 1.11 a |a| 2 x 2 x x arcsin − 2x 2.9 dx = x arcsin + 2 a2 − x2 arcsin a |a| |a| ⎡ 3 x 3 x x 3. arcsin dx = sign(a) ⎣x arcsin + 3 a2 − x2 arcsin a |a| |a| ⎤ x − 6 a2 − x2 ⎦ − 6x arcsin |a| 2 x a n−2k+1 242 Inverse Trigonometric Functions 2.814 2.814 x x 1. arccos dx = x arccos − a2 − x2 a a 2 x x 2 x 2. arccos dx = x arccos − 2 a2 − x2 arccos − 2x a a a 3 3 x x 2 x x arccos 3. dx = x arccos − 3 a2 − x2 arccos − 6x arccos + 6 a2 − x2 a a a a 2.82 The arcsecant, the arccosecant, the arctangent, and the arccotangent 2.821 x a x 1. arccosec dx = arcsin dx = x arcsin + a ln x + x2 − a2 a x 2 a = x arcsin − a ln x + x2 − a2 x 2. arcsec DW a a dx = x arccos − a ln x + x x a = x arccos − a ln x + x2 − a2 x x dx = a + a π, 0 < arcsin < x 2 , + π a − < arcsin < 0 2 x arccos x2 − a2 + a π, 0 < arccos < x 2 , + π a − < arccos < 0 2 x DW 2.822 x a x 1.8 arctan dx = x arctan − ln a2 + x2 a a 2 x a x 2. arccot dx = x arccot − ln a2 + x2 a a 2 1 2 x ax x 9 x + a2 arctan − 3. x arctan dx = a 2 a 2 2 ax πx 1 2 x x + − x + a2 arctan 4.9 x arccot dx = a 2 4 2 a ax2 1 x x 1 5.9 x2 arctan dx = x3 arctan + a3 ln x2 + a2 − a 3 a 6 6 1 ax2 πx3 x x 1 + 6.9 x2 arccot dx = − x3 arctan − a3 ln x2 + a2 + a 3 a 6 6 6 2.83 Combinations of arcsine or arccosine and algebraic functions DW DW n+1 dx xn+1 x 1 x x √ arcsin − 2.831 x arcsin dx = (see 2.263 1, 2.264, 2.27) 2 a n + 1 a n + 1 − x2 an+1 n+1 dx x x 1 x x √ arccos + 2.832 xn arccos dx = (see 2.263 1, 2.264, 2.27) 2 a n+1 a n+1 a − x2 arccos x arcsin x dx and dx) cannot be expressed as a 1. For n = −1, these integrals (that is, x x finite combination of elementary functions. n 2.838 Arcsine or arccosine and algebraic functions 2. 2.8339 1. 2. 3. 4. 5. 6. 2.834 π 1 arccos x dx = − ln − x 2 x 243 arcsin x dx x x2 a2 x 2 x 2 − + a −x arcsin 2 4 |a| 4 1 2 πx2 x 2 x x 2 2 − sign(a) 2x − a arcsin + a −x x arccos dx = a 4 4 |a| 4 3 x x 1 2 x arcsin + x + 2a2 a2 − x2 x2 arcsin dx = sign(a) a 3 |a| 9 3 3 x πx x 1 2 x 2 2 2 2 − sign(a) arcsin + x + 2a a −x x arccos dx = a 6 3 |a| 9 4 x 3a4 1 x x − + x 2x2 + 3a2 a2 − x2 x3 arcsin dx = sign(a) arcsin a 4 32 |a| 32 % & 4 4 4 8x − 3a πx x 1 x x3 arccos dx = − sign(a) arcsin + x 2x2 + 3a2 a2 − x2 a 8 32 |a| 32 x x arcsin dx = sign(a) a √ a2 − x2 x √ 1 x 1 a + a2 − x2 x 1 arccos dx = − arccos − ln 2. 2 x a x a a x . 2 arcsin x 2 (a − b)(1 − x) arcsin x 2.835 − √ a > b2 dx = − arctan 2 2 2 (a + bx) b(a + bx) b a − b (a + b)(1 + x) 2 (a + b)(1 + x) + (b − a)(1 − x) 1 arcsin x − √ =− a < b2 ln b(a + bx) b b2 − a2 (a + b)(1 + x) − (b − a)(1 − x) √ 1 c + 1x arcsin x x arcsin x √ √ + dx = − [c > −1] arctan 2.8368 2 2) 2 2 2c (1 + cx 2c c + 1 1 (1 + cx ) √ −x 1 − x2 + x −(c + 1) 1 arcsin x + ln √ [c < −1] =− 2 2c (1 + cx ) 4c −(c + 1) 1 − x2 − x −(c + 1) 1. 1 x 1 a+ 1 x arcsin dx = − arcsin − ln 2 x a x a a 2.837 x arcsin x √ dx = x − 1 − x2 arcsin x 1. 2 1−x x arcsin x x x2 1 2 √ 2. − dx = 1 − x2 arcsin x + (arcsin x) 4 2 4 1 − x2 3 2x 1 2 x arcsin x x3 √ + − x +2 3. dx = 1 − x2 arcsin x 9 3 3 1 − x2 2.838 arcsin x x arcsin x 1 < 1. dx = √ + ln 1 − x2 2 2 3 1−x (1 − x2 ) 244 Inverse Trigonometric Functions 2. 2.841 arcsin x 1 1−x x arcsin x < dx = √ + ln 2 2 1+x 3 1−x (1 − x2 ) 2.84 Combinations of the arcsecant and arccosecant with powers of x 2.841 1. x arcsec x2 arcsec 2. a 1 2 a arccos dx = x arccos − a x2 − a2 x 2 x a 1 2 2 2 x arccos + a x − a = 2 x x dx = a x dx = a = 3. DW a a 2 a − x x − a2 − ln x + x2 − a2 x 2 2 + a π, 0 < arccos < x 2 a a 2 a3 3 2 2 2 ln x + x − z x arccos + x x − a + x 2 2 +π , a < arccos < π 2 x arccos 1 3 + a π, 0 < arccos < x 2, +π a < arccos < π 2 x a 1 dx = x 3 x3 arccos 3 DW a 1 2 x a x arcsin + a x2 − a2 x arccosec dx = arcsin dx = a x 2 x a 1 2 2 2 x arcsin − a x − a = 2 x + a π, 0 < arcsin < x 2 , + π a − < arcsin < 0 2 x DW 2.85 Combinations of the arctangent and arccotangent with algebraic functions 2.851 2.852 3. 2.853 1. 2. xn+1 x a x dx = arctan − a n+1 a n+1 xn arccot xn+1 x a x dx = arccot + a n+1 a n+1 1. 2. xn arctan xn+1 dx a2 + x2 xn+1 dx a2 + x2 For n = −1 arctan x dx cannot be expressed as a finite combination of elementary functions. x arccot x π arctan x dx = ln x − dx x 2 x 1 2 x ax x dx = x + a2 arctan − a 2 a 2 1 2 x ax x x + a2 arccot + x arccot dx = a 2 a 2 x arctan 2.859 Arctangent and arccotangent with algebraic functions 245 ax2 x3 x a3 2 x dx = arctan + ln x + a2 − a 3 a 6 6 3 3 x x a ax2 πx3 x ln x2 + a2 + + x2 arccot dx = − arctan − 4.9 a 3 a 6 6 6 1 x 1 a2 + x2 x 1 ln arctan dx = − arctan − 2.854 2 a x a 2a x2 x arctan x 1 β − αx α + βx √ arctan x 2.855 dx = − ln (α + βx)2 α2 + β 2 α + βx 1 + x2 2.856 1 ln 1 + x2 dx x arctan x 1 2 1. − arctan x ln 1 + x dx = 1 + x2 2 2 1 + x2 2 1 x arctan x 1 2 2. dx = x arctan x − ln 1 + x2 − (arctan x) 2 1+x 2 2 3 1 x arctan x x arctan x 1 2 x + 1 + x arctan x − 3. dx = − dx 2 1+x 2 2 1 + x2 3. x2 arctan 9 TI (689) TI (405) (see 2.8511) x 1 x arctan x 1 2 2 − x arctan x + (arctan x) dx = − x2 + ln 1 + x2 + 2 1+x 6 3 3 2 & % n (2n − 2k)!!(2n − 1)!! x arctan x dx 1 (2n − 1)!! arctan x arctan x 2.857 + n+1 = (2n)!!(2n − 2k + 1)!! (1 + x2 )n−k+1 2 (2)!! (1 + x2 ) k=1 n 1 (2n − 1)!!(2n − 2k)!! 1 + 2 (2n)!!(2n − 2k + 1)!!(n − k + 1) (1 + x2 )n−k+1 k=1 √ √ 2 x arctan x x √ 2.858 dx = − 1 − x2 arctan x + 2 arctan √ − arcsin x 1 − x2 1 − x2 arctan x a + bx2 x arctan x 1 < 2.859 [a < b] dx = √ − √ arctan 2 b − a√ 3 a b−a a a + bx √ (a + bx2 ) x arctan x a + bx2 − a − b 1 √ = √ + √ [a > b] ln √ 2a a − b a a + bx2 a + bx2 + a − b 4. 4 3 This page intentionally left blank 3–4 Definite Integrals of Elementary Functions 3.0 Introduction 3.01 Theorems of a general nature 3.011 Suppose that f (x) is integrable† over the largest of the intervals (p, q), (p, r), (r, q). Then (depending on the relative positions of the points p, q, and r) it is also integrable over the other two intervals, and we have q r f (x) dx = p q f (x) dx + p f (x) dx. FI II 126 r 3.012 The first mean-value theorem. Suppose (1) that f (x) is continuous and that g(x) is integrable over the interval (p, q), (2) that m ≤ f (x) ≤ M , and (3) that g(x) does not change sign anywhere in the interval (p, q). Then, there exists at least one point ξ (with p ≤ ξ ≤ q) such that q q f (x)g(x) dx = f (ξ) g(x) dx. FI II 132 p p 3.013 The second mean-value theorem. If f (x) is monotonic and non-negative throughout the interval (p, q), where p <q, and if g(x) is integrable over that interval, then there exists at least one point ξ (with p ≤ ξ ≤ q) such that 1. p q ξ f (x)g(x) dx = f (p) g(x) dx p Under the conditions of Theorem 3.013 1, if f (x) is nondecreasing, then q q f (x)g(x) dx = f (q) g(x) dx [p ≤ ξ ≤ q] . 2. p ξ If f (x) is monotonic in the interval (p, q), where p <q, and if g(x) is integrable over that interval, then ∗ We omit the definition of definite and multiple integrals since they are widely known and can easily be found in any textbook on the subject. Here we give only certain theorems of a general nature which provide estimates, or which reduce the given integral to a simpler one. †A q function f (x) is said to be integrable over the interval (p, q), if the integral f (x) dx exists. Here, we usually mean p the existence of the integral in the sense of Riemann. When it is a matter of the existence of the integral in the sense of Stieltjes or Lebesgue, etc., we shall speak of integrability in the sense of Stieltjes or Lebesgue. 247 248 Introduction q 3. ξ q f (x)g(x) dx = f (p) g(x) dx + f (q) g(x) dx p or p q 4. 3.020 ξ q f (x)g(x) dx = A g(x) dx + B g(x) dx p [p ≤ ξ ≤ q] , ξ p [p ≤ ξ ≤ q] , ξ where A and B are any two numbers satisfying the conditions A ≥ f (p + 0) A ≤ f (p + 0) B ≤ f (q − 0) B ≥ f (q − 0) and and [if f decreases], [if f increases]. In particular, q ξ q 5. f (x)g(x) dx = f (p + 0) g(x) dx + f (q − 0) g(x) dx p p FI II 138 ξ 3.02 Change of variable in a definite integral β 3.020 ψ f (x) dx = α f [g(t)]g (t) dt; x = g(t). ϕ This formula is valid under the following conditions: 1. f (x) is continuous on some interval A ≤ x ≤ B containing the original limits of integration α and β. 2. The equalities α = g(ϕ) and β = g(ψ) hold. 3. g(t) and its derivative g (t) are continuous on the interval ϕ ≤ t ≤ ψ. 4. As t varies from ϕ to ψ, the function g(t) always varies in the same direction from g(ϕ) = α to g(ψ) = β.∗ 3.021 β The integral f (x) dx can be transformed into another integral with given limits ϕ and ψ by α means of the linear substitution x= β 1. f (x) dx = α β−α ψ−ϕ ψ f ϕ αψ − βϕ β−α t+ : ψ−ϕ ψ−ϕ β−α αψ − βϕ t+ ψ−ϕ ψ−ϕ dt In particular, for ϕ = 0 and ψ = 1, ∗ If this last condition is not satisfied, the interval ϕ ≤ t ≤ ψ should be partitioned into subintervals throughout each of which the condition is satisfied: β ϕ1 ϕ2 ψ f (x) dx = f [g(t)]g (t) dt + f [g(t)]g (t) dt + · · · + f [g(t)]g (t) dt. α ϕ ϕ1 ϕn−1 3.033 General formulas β 2. 1 f (x) dx = (β − α) f ((β − α)t + α) dt α 0 For ϕ = 0 and ψ = ∞, β f (x) dx = (β − α) 3. α 3.022 1. 249 ∞ f 0 α + βt 1+t dt (1 + t)2 The following formulas also hold: β β f (x) dx = f (α + β − x) dx α β 2. α β f (β − x) dx f (x) dx = 0 0 α 3. α f (x) dx = −α f (−x) dx −α 3.03 General formulas 3.031 1. Suppose that a function f (x) is integrable over the interval (−p, p) and satisfies the relation f (−x) = f (x) on that interval. (A function satisfying the latter condition is called an even function.) Then, p p f (x) dx = 2 f (x) dx. FI II 159 −p 2. 0 Suppose that f (x) is a function that is integrable on the interval (−p, p) and satisfies the relation f (−x) = −f (x) on that interval. (A function satisfying the latter condition is called an odd function). Then, p f (x) dx = 0. FI II 159 −p 3.032 1. 0 π 2 π 2 f (sin x) dx = f (cos x) dx, 0 where f (x) is a function that is integrable on the interval (0, 1). 2π π 2. f (p cos x + q sin x) dx = 2 f p2 + q 2 cos x dx, 0 0 where f (x) is integrable on the interval − p2 + q 2 , p2 + q 2 . π2 π2 3. f (sin 2x) cos x dx = f cos2 x cos x dx, 0 FI II 159 FI II 160 0 where f (x) is integrable on the interval (0, 1). 3.033 1. If f (x + π) = f (x) and f (−x) = f (x), then FI II 161 250 Introduction ∞ f (x) 0 sin x dx = x 3.034 π 2 f (x) dx LO V 277(3) 0 If f (x + π) = −f (x) and f (−x) = f (x), then π2 ∞ sin x dx = f (x) f (x) cos x dx x 0 0 2. LO V 279(4) In formulas ∞3.033, it is assumed that the integrals in the left members of the formulas exist. q f (px) − f (qx) 3.034 dx = [f (0) − f (+∞)] ln , x p 0 if f (x) is continuous for x ≥0 and if there exists a finite limit f (+∞) = lim f (x). x→+∞ 3.035 1. 2. f α + exi + f α + e−xi 2π dx = f (α + p) [|p| < 1] 2 1 + 2p cos x + p 1 − p2 0 π 1 − p cos x f α + exi + f α + e−xi dx = π {f (α + p) + f (α)} 2 1 − 2p cos x + p 0 3. 0 FI II 633 π π −xi −f α+e f α+e 1 − 2p cos x + p2 [|p| < 1] xi sin x dx = LA 230(16) BE 169 π {f (α + p) − f (α)} π [|p| < 1] BE 169 In formulas 3.035, it is assumed that the function f is analytic in the closed unit circle with its center at the point α. 3.036 π π 2 sin2 x 1.11 f f sin2 x dx p <1 dx = 2 1 + 2p cos x + p 0 0 π 2 sin2 x f = dx p ≥1 2 p 0 2. π F (n) (cos x) sin2n x dx = (2n − 1)!! 0 3.037 LA 228(6) π F (cos x) cos nx dx B 174 0 If f is analytic in the circle of radius r and if f [r (cos x + i sin x)] = f1 (r, x) + if2 (r, x), then 1. 2. 3. ∞ f1 (r, x) π −p f re dx = 2 2 2p 0 p +x ∞ x dx π −p − f (0) f re f2 (r, x) 2 = 2 p +x 2 0 ∞ f2 (r, x) π dx = [f (r) − f (0)] x 2 0 LA 230(19) LA 230(20) LA 230(21) 3.045 Improper integrals 251 ∞ π f2 (r, x) dx = 2 f (r) − f re−p 2 + x2 ) x (p 2p 0 ∞ ∞ x dx √ 3.038 F qx + p 1 + x2 = F (p cosh x + q sinh x) sinh x dx 2 −∞ 1 + x −∞ ∞ F sign p · p2 − q 2 cosh x sinh2 x dx = 2q 4. LA 230(22) 0 [If F is a function with a continuous derivative in the interval (−∞, ∞), all these integrals converge.] 3.04 Improper integrals 3.041 Suppose that a function f (x) is defined on an interval (p, +∞) and that it is integrable over an arbitrary finite subinterval of the form (p, P ). Then, by definition P +∞ f (x) dx = lim f (x) dx, P →+∞ p p +∞ f (x) dx exists or that it converges. if this limit exists. If it does exist, we say that the integral p Otherwise, we say that the integral diverges. 3.042 Suppose that a function f (x) is bounded and integrable in an arbitrary interval (p, q − η) (for 0 < η < q − p) but is unbounded in every interval (q − η, q) to the left of the point q. The point q is then called a singular point. Then, by definition, q−η q f (x) dx = lim f (x) dx, η→0 p p q f (x) dx exists or that it converges. if this limit exists. In this case, we say that the integral p 3.043 If not only the integral of f (x) but also the integral of |f (x)| exists, we say that the integral of f (x) converges absolutely. +∞ 3.044 The integral f (x) dx converges absolutely if there exists a number α > 1 such that the limit p lim {xα |f (x)|} x→+∞ exists. On the other hand, if lim {x|f (x)|} = L > 0, x→+∞ +∞ |f (x)| dx diverges. the integral p 3.045 q Suppose that the upper limit q of the integral f (x) dx is a singular point. Then, this integral p converges absolutely if there exists a number α <1 such that the limit lim [(q − x)α |f (x)|] x→q exists. On the other hand, if lim [(q − x)|f (x)|] = L > 0, x→q q f (x) dx diverges. the integral p 252 Introduction 3.046 3.046 Suppose that the functions f (x) and g(x) are defined on the interval (p, +∞), that f (x) is integrable over every finite interval of the form (p, P ), that the integral P f (x) dx p is a bounded function of P , that g(x) is monotonic, and that g(x) →0 as x → +∞. Then, the integral +∞ f (x)g(x) dx p converges. FI II 577 3.05 The principal values of improper integrals 3.051 Suppose that a function f (x) has a singular point r somewhere inside the interval (p, q), that f (x) is defined at r, and that f (x) is integrable over every portion of this interval that does not contain the point r. Then, by definition q q r−η f (x) dx = lim f (x) dx + f (x) dx . η→0 η →0 p r+η p Here, the limit must exist for independent modes of approach of η and η to zero. If this limit does not exist but the limit q r−η f (x) dx + f (x) dx lim η→0 p r+η "q does exist, we say that this latter limit is the principal value of the improper integral p f (x) dx, and we q say that the integral f (x) dx exists in the sense of principal values. FI II 603 p 3.052 Suppose that the function f (x) is continuous over the interval (p, q) and vanishes at only one point r inside this interval. Suppose that the first derivative f (x) exists in a neighborhood of the point r. Suppose that f (r) = 0 and that the second derivative f (r) exists at the point r itself. Then, q dx FI II 605 p f (x) diverges, but exists in the sense of principal values. 3.053 A divergent integral of a positive function cannot exist in the sense of principal values. 3.054 Suppose that the function f (x) has no singular points in the interval (−∞, +∞). Then, by definition Q +∞ f (x) dx = lim f (x) dx. P →−∞ Q→+∞ −∞ P Here, the limit must exist for independent approach of P and Q to ±∞. If this limit does not exist but the limit +P lim f (x) dx P →+∞ −P does exist, this last limit is called the principal value of the improper integral +∞ f (x) dx. FI II 607 −∞ 3.055 The principal value of an improper integral of an even function exists only when this integral FI II 607 converges (in the ordinary sense). 3.112 Rational functions 253 3.1–3.2 Power and Algebraic Functions 3.11 Rational functions ∞ 1. −∞ r2 p + qx π (p − qr cos λ) (principal value) dx = 2 + 2rx cos λ + x r sin λ (see also 3.194 8 and 3.252 1 and 2) 3.11211 Integrals of the form BI (22)(14) ∞ gn (x) dx , where h −∞ n (x)hn (−x) gn (x) = b0 x2n−2 + b1 x2n−4 + · · · bn−1 , hn (x) = a0 xn + a1 xn−1 + · · · an [All roots of hn (x) lie in the upper half-plane.] ∞ πi Mn gn (x) dx = , 1. h (x)h (−x) a n 0 Δn −∞ n where ! ! !a1 a3 a5 0 !! ! !a0 a2 a4 0 !! ! ! 0 a1 a3 0 !!, Δn = ! ! .. ! . .. !. ! ! ! !0 0 0 an ! 2. ∞ g1 (x) dx −∞ h1 (x)h1 (−x) 3.8 4.11 ∞ ∞ b1 a2 a1 b2 a4 a3 ··· .. 0 0 . ! bn−1 !! 0 !! 0 !!. ! ! ! an ! πib0 a0 a1 g3 (x) dx = πi −∞ h3 (x)h3 (−x) ∞ g4 (x) dx −∞ h4 (x)h4 (−x) ∞ g5 (x) dx 6. ! ! b0 ! ! a0 ! ! Mn = ! 0 ! .. !. ! !0 JE −b0 + aa0 2b1 g2 (x) dx = πi a0 a1 −∞ h2 (x)h2 (−x) 5. = JE −∞ h5 (x)h5 (−x) a0 a1 b 2 a3 a0 (a0 a3 − a1 a2 ) −a2 b0 + a0 b1 − a0 b 3 (a0 a3 − a1 a2 ) a4 a0 (a0 a23 + a21 a4 − a1 a2 a3 ) JE b0 (−a1 a4 + a2 a3 ) − a0 a3 b1 + a0 a1 b2 + = πi = πi JE M5 , a0 Δ5 where M5 = b0 −a0 a4 a5 + a1 a24 + a22 a5 − a2 a3 a4 + a0 b1 (−a2 a5 + a3 a4 ) a0 b 4 −a0 a1 a5 + a0 a23 + a21 a4 − a1 a2 a3 , + a0 b2 (a0 a5 − a1 a4 ) + a0 b3 (−a0 a3 + a1 a2 ) + a5 Δ5 = a20 a25 − 2a0 a1 a4 a5 − a0 a2 a3 a5 + a0 a23 a4 + a21 a24 + a1 a22 a5 − a1 a2 a3 a4 JE 254 Power and Algebraic Functions 3.121 3.12 Products of rational functions and expressions that can be reduced to square roots of first- and second-degree polynomials 3.121 1 1. 0 2. 3. ∞ sin kλ 1 dx √ = 2 cosec λ 1 − 2x cos λ + x2 x 2k − 1 BI (10)(17) k=1 1 dx 1 π [0 < p < q] = q − px q(q − p) x(1 − x) 0 1 π 11∓r 1+r dx 1∓x =± ∓ arctan 2 1 − 2rx + r 1 ± x 4r r 1 ± r 1−r 0 BI (10)(9) LI (14)(5, 16) 3.13–3.17 Expressions that can be reduced to square roots of third- and fourthdegree polynomials and their products with rational functions Notation: In 3.131–3.137 we set: α = arcsin c−u , b−u . (a − c)(b − u) , (b − c)(a − u) . (a − c)(u − b) a−u , λ = arcsin , κ = arcsin (a − b)(u − c) a−b u−a a−c a−b μ = arcsin , ν = arcsin , p= , u−b u−c a−c γ = arcsin 3.131 1. 2. 3. 4. 5. 6. 7. u−c , b−c a−c , β = arcsin a−u δ = arcsin q= b−c . a−c u dx 2 =√ F (α, p) a−c (a − x)(b − x)(c − x) −∞ c dx 2 =√ F (β, p) a−c (a − x)(b − x)(c − x) u u dx 2 =√ F (γ, q) a−c (a − x)(b − x)(x − c) c b dx 2 =√ F (δ, q) a−c (a − x)(b − x)(x − c) u u dx 2 =√ F (κ, p) a−c (a − x)(x − b)(x − c) b a dx 2 =√ F (λ, p) a−c (a − x)(x − b)(x − c) u u dx 2 =√ F (μ, q) a −c (x − a)(x − b)(x − c) a [a > b > c ≥ u] BY (231.00) [a > b > c > u] BY (232.00) [a > b ≥ u > c] BY (233.00) [a > b > u ≥ c] BY (234.00) [a ≥ u > b > c] BY (235.00) [a > u ≥ b > c] BY (236.00) [u > a > b > c] BY (237.00) 3.133 Square roots of polynomials ∞ 8. u 3.132 c 1. u dx 2 =√ F (ν, q) a −c (x − a)(x − b)(x − c) x dx 2 =√ [c F (β, p) + (a − c) E (β, p)] − 2 a−c (a − x)(b − x)(c − x) c b u BY (232.19) √ 2a =√ F (γ, q) − 2 a − c E (γ, q) a−c (a − x)(b − x)(x − c) x dx BY (233.17) 2 =√ (b − a) Π δ, q 2 , q + a F (δ, q) a−c (a − x)(b − x)(x − c) x dx b x dx (a − x)(x − b)(x − c) 2 =√ a−c BY (234.16) (b − c) Π κ, p2 , p + c F (κ, p) [a ≥ u > b > c] a 5. u (a − u)(c − u) b−u [a > b > u ≥ c] u 4. BY (238.00) [a > b ≥ u > c] 3. [u ≥ a > b > c] [a > b > c > u] u 2. 255 BY (235.16) √ x dx 2c =√ F (λ, p) + 2 a − c E (λ, p) a−c (a − x)(x − b)(x − c) [a > u ≥ b > c] u 6. a BY (236.16) 2 = √ a(a − b) Π(μ, 1, q) + b2 F (μ, q) b a−c (x − a)(x − b)(x − c) x dx [u > a > b > c] 3.133 1. BY (237.16) u dx 2 √ = [F (α, p) − E (α, p)] 3 (a − b) a − c (a − x) (b − x)(c − x) −∞ [a > b > c ≥ u] c 2. u dx (a − x)3 (b − x)(c − x) = 2 2 √ [F (β, p) − E (β, p)] + a−c (a − b) a − c BY (231.08) c−u (a − u)(b − u) [a > b > c > u] BY (232.13) u dx (b − u)(u − c) 2 2 √ = E (γ, q) − 3 (a − b)(a − c) a−u (a − b) a − c (a − x) (b − x)(x − c) c BY (233.09) [a > b ≥ u > c] b dx 2 √ = BY (234.05) E (δ, q) [a > b > u ≥ c] 3 (a − b) a − c (a − x) (b − x)(x − c) u . u dx u−b 2 2 √ = [F (κ, p) − E (κ, p)] + 3 a − b (a − u)(u − c) (a − b) a − c (a − x) (x − b)(x − c) b 3. 4. 5. [a > u > b > c] BY (235.04) 256 Power and Algebraic Functions ∞ 6. u 8. . dx 2 2 √ = E (ν, q) + 3 a − b (b − a) a − c (x − a) (x − b)(x − c) u−b (u − a)(u − c) [u > a > b > c] √ 2 dx 2 a−c √ E (α, p) − = F (α, p) 3 (a − b) a − c (a − x)(b − x) (c − x) (a − b)(b −∞ − c) c−u 2 − b − c (a − u)(b − u) [a > b > c ≥ u] √ c 2 dx 2 a−c √ E (β, p) − = F (β, p) (a − b)(b − c) (a − b) a − c (a − x)(b − x)3 (c − x) u BY (238.05) [a > b > c > u] √ u dx 2 2 a−c √ E (γ, q) = F (γ, q) − (a − b)(b − c) (a − x)(b − x)3 (x − c) (b − c) a − c c 2 (a − u)(u − c) + (a − b)(b − c) b−u [a > b > u > c] √ a dx 2 2 a−c √ E (λ, p) = F (λ, p) − (a − b)(b − c) (a − x)(x − b)3 (x − c) (a − b) a − c u 2 (a − u)(u − c) + (a − b)(b − c) u−b [a > u > b > c] √ u 2 dx 2 a−c √ E (μ, q) − = F (μ, q) 3 (a − b)(b − c) (b − c) a−c (x − a)(x − b) (x − c) a BY (232.14) [u > a > b > c] √ 2 dx 2 a−c √ E (ν, q) − = F (ν, q) 3 (a − b)(b − c) (b − c) a−c (x − a)(x − b) (x − c) u u−a 2 − a − b (u − b)(u − c) [u ≥ a > b > c] . u dx b−u 2 2 √ = E (α, p) + 3 b − c (a − u)(c − u) (c − b) a − c (a − x)(b − x)(c − x) −∞ BY (237.12) 7. 3.133 u 9. 10. 11. 12. 13. b 14. u 15. b BY (233.10) BY (236.09) ∞ [a > b > c > u] BY (231.09) u dx (a − x)(b − x)(x − c)3 dx (a − x)(x − b)(x − c)3 = = 2 2 √ [F (δ, q) − E (δ, q)] + b−c (b − c) a − c . BY (238.04) BY (231.10) b−u (a − u)(u − c) [a > b > u > c] BY (234.04) [a ≥ u > b > c] BY (235.01) 2 √ E (κ, p) (b − c) a − c 3.134 Square roots of polynomials a 16. u dx 2 2 √ = E (λ, p) − (b − c)(a − c) (b − c) a − c (a − x)(x − b)(x − c)3 a dx 2 2 √ [F (μ, q) − E (μ, q)] + a−c (b − c) a − c = (x − a)(x − b)(x − c)3 [u > a > b > c] ∞ 18. u = 3(a − + c 2. u u 3. dx (a − x)5 (b − x)(c − x) b 4. u = dx (a − x)5 (b (a − x)5 (b c = − x)(x − c) dx − x)(x − c) = 5. b u b)2 u−a (u − b)(u − c) BY (237.13) BY (238.03) 2 [(3a − b − 2c) F (α, p) − 2(2a − b − c) E (α, p)] 3 (a − c) . 2 3(a − c)(a − b) (c − u)(b − u) (a − u)3 [a > b > c ≥ u] BY (231.08) 2 [(3a − b − 2c) F (β, p) − 2(2a − b − c) E (β, p)] 3(a− b)2 (a − c)3 2 4a2 − 3ab − 2ac + bc − u(3a − 2b − c) c−u + 3(a − b)(a − c)2 (a − u)3 (b − u) BY (232.13) [a > b > c > u] 2 [2(2a − b − c) E (γ, q) − (a − b) F (γ, q)] 3(a − (a − c)3 . 2 5a2 − 3ab − 3ac + bc − 2u(2a − b − c) (b − u)(u − c) − 3(a − b)2 (a − c)2 (a − u)3 [a > b ≥ u > c] BY (233.09) b)3 3(a − − BY (236.10) u dx 5 (a − x) (b − x)(c − x) −∞ dx 2 √ [F (ν, q) − E (ν, q)] = 3 (b − c) a − c (x − a)(x − b)(x − c) [u ≥ a > b > c] 3.134 1. (a − u)(u − b) u−c [a > u ≥ b > c] u 17. 257 b)2 2 [2(2a − b − c) E (δ, q) − (a − b) F (δ, q)] 3 (a − c) . 2 3(a − b)(a − c) (b − u)(u − c) (a − u)3 [a > b > u ≥ c] BY (234.05) dx (a − x)5 (x − b)(x − c) = 2 [(3a − b − 2c) F (κ, p) − 2(2a − b − c) E (κ, p)] (a − c)3 3(a − . 2 4a2 − 2ab − 3ac + bc − u(3a − b − 2c) u−b + 3(a − b)2 (a − c) (a − u)3 (u − c) BY (235.04) [a > u > b > c] b)2 258 Power and Algebraic Functions ∞ 6. u 7. 3.134 dx 2 = [2(2a − b − c) E (ν, q) − (a − b) F (ν, q)] 5 2 (x − a) (x − b)(x − c) 3(a − b) (a − c)3 2 . 2 4a − 2ab − 3ac + bc + u(b + 2c − 3a) u−b + 3(a − b)2 (a − c) (u − a)3 (u − c) BY (238.05) [u > a > b > c] u dx 2 √ = 2 (b − c)2 a − c 5 3(a − b) (a − x)(b − x) (c − x) −∞ × [2(a − c)(a + c − 2b) E (α, p) + (b − c)(3b − a − 2c) F (α, p)] 2 3ab − ac + 2bc − 4b2 − u(2a − 3b + c) c−u − 3(a − b)(b − c)2 (a − u)(b − u)3 [a > b > c ≥ u] BY (231.09) c 8. u dx (a − x)(b − u c a u a 3(a − b)2 (b 2 √ − c)2 a − c dx (a − x)(b − x)5 (x − c) = 3(a − b)2 (b 2 √ − c)2 a − c × [(a − b)(2a − 3b + c) F (γ, q) + 2(a − c)(2b − a − c) E (γ, q)] . 2 3ab + 3bc − ac − 5b2 − 2u(a − 2b + c) (a − u)(u − c) + 3(a − b)2 (b − c)2 (b − u)3 [a > b > u > c] BY (233.10) 10. 11. − x) = × [(b − c)(3b − a − 2c) F (β, p) + 2(a − c)(a − 2b + c) E (β, p)] . (a − u)(c − u) 2 + 3(a − b)(b − c) (b − u)3 [a > b > c > u] BY (232.14) 9. x)5 (c dx 2 √ = 2 (b − c)2 a − c 5 3(a − b) (a − x)(x − b) (x − c) × [(b − c)(3b − 2c − a) F (λ, p) + 2(a − c)(a + c − 2b) E (λ, p)] . 2 3ab + 3bc − ac − 5b2 + 2u(2b − a − c) (a − u)(u − c) + 2 2 3(a − b) (b − c) (u − b)3 [a > u > b > c] BY (236.09) u dx (x − a)(x − b)5 (x − c) = 2 √ 3(a − b)2 (b − c)2 a − c × [(a − b)(2a + c − 3b) F (μ, q) + 2(a − c)(2b − a − c) E (μ, q)] . (u − a)(u − c) 2 + 3(a − b)(b − c) (u − b)3 [u > a > b > c] BY (237.12) 3.134 Square roots of polynomials ∞ 12. u 13. 14. 15. 16. 17. 18. 259 dx 2 √ = 2 (b − c)2 a − c 5 3(a − b) (x − a)(x − b) (x − c) × [(a − b)(2a + c − 3b) F (ν, q) + 2(a − c)(2b − c − a) E (ν, q)] 2 3bc + 2ab − ac − 4b2 + u(3b − a − 2c) u−a − 3(a − b)2 (b − c) (u − b)3 (u − c) BY (238.04) [u ≥ a > b > c] u dx 2 = [2(a + b − 2c) E (α, p) − (b − c) F (α, p)] 5 2 (a − x)(b − x)(c − x) 3(b − c) (a − c)3 −∞ . 2 ab − 3ac − 2bc + 4c2 + u(2a + b − 3c) b−u + 2 3(a − c)(b − c) (a − u)(c − u)3 [a > b > c > u] By (231.10) b dx 2 = [(2a + b − 3c) F (δ, q) − 2(a + b − 2c) E (δ, q)] 5 2 (a − x)(b − x)(x − c) 3(b − c) (a − c)3 u . 2 ab − 3ac − 2bc + 4c2 + u(2a + b − 3c) b−u + 2 3(b − c) (a − c) (a − u)(u − c)3 [a > b > u > c] BY (234.04) u dx 2 = [2(a + b − 2c) E (κ, p) − (b − c) F (κ, p)] 5 2 (a − c)3 (a − x)(x − b)(x − c) 3(b − c) b . 2 (a − u)(u − b) + 3(a − c)(b − c) (u − c)3 [a ≥ u > b > c] BY (235.20) a dx 2 = [2(a + b − 2c) E (λ, p) − (b − c) F (λ, p)] 5 2 (a − x)(x − b)(x − c) 3(b − c) (a − c)3 u . 2 ab − 3ac − 3bc + 5c2 + 2u(a + b − 2c) (a − u)(u − b) − 2 2 3(b − c) (a − c) (u − c)3 [a > u ≥ b > c] BY (236.10) u dx 2 = [(2a + b − 3c) F (μ, q) − 2(a + b − 2c) E (μ, q)] 5 2 (x − a)(x − b)(x − c) 3(b − c) (a − c)3 a 2 4c2 − ab − 2ac − bc + u(3a + 2b − 5c) u−a + 2 3(b − c)(a − c) (u − b)(u − c)3 [u > a > b > c] BY (237.13) ∞ dx 2 = [(2a + b − 3c) F (ν, q) − 2(a + b − 2c) E (ν, q)] 5 2 3 (x − a)(x − b)(x − c) 3(b − c) (a − c) u . (u − a)(u − b) 2 + 3(a − c)(b − c) (u − c)3 [u ≥ a > b > c] BY (238.03) 260 3.135 1.6 2. 3. 4. 5. 6. 7. Power and Algebraic Functions u 3.135 dx 2 √ = [(b − c) F (α, p) − (2a − b − c) E (α, p)] 3 (c − x)3 (a − b)(b − c)2 a − c (a − x)(b − x) −∞ 2(b + c − 2u) + 2 (b − c) (a − u)(b − u)(c − u) BY (231.13) [a > b > c > u] a dx 2 √ = [(b − c) F (λ, p) − 2(2a − b − c) E (λ, p)] 3 3 (a − b)(b − c)2 a − c (a − x)(x − b) (x − c) u a−u 2(a − b − c + u) + (a − b)(b − c)(a − c) (u − b)(u − c) BY (236.15) [a > u > b > c] u dx 2 √ = [(2a − b − c) E (μ, q) − 2(a − b) F (μ, q)] 3 3 (a − b)(b − c)2 a−c (x − a)(x − b) (x − c) a u−a 2 + (a − c)(b − c) (u − b)(u − c) BY (236.14) [u > a > b > c] ∞ dx 2 √ = [(2a − b − c) E (ν, q) − 2(a − b) F (ν, q)] 3 3 (a − b)(b − c)2 a−c (x − a)(x − b) (x − c) u u−a 2 − (a − b)(b − c) (u − b)(u − c) BY (238.13) [u ≥ a > b > c] u dx 2 = [(2b − a − c) E (α, p) − (b − c) F (α, p)] 3 3 (a − x) (b − x)(c − x) (a − b)(b − c) . (a − c)3 −∞ b−u 2 + (b − c)(a − c) (a − u)(c − u) BY(231.12) [a > b > c > u] b dx 2 = [(a − b) F (δ, q) + (2b − a − c) E (δ, q)] 3 3 (a − x) (b − x)(x − c) (b − c)(a − b) . (a − c)3 u b−u 2 + (b − c)(a − c) (a − u)(u − c) BY (234.03) [a > b > u > c] u dx 2 = [(b − c) F (κ, p) − (2b − a − c) E (κ, p)] 3 3 (a − x) (x − b)(x − c) (a − b)(b − c) . (a − c)3 b u−b 2 + (a − b)(a − c) (a − u)(u − c) BY (235.15) [a > u > b > c] 3.136 Square roots of polynomials ∞ 8. u dx 2 = [(a + c − 2b) E (ν, q) − (a − b) F (ν, q)] 3 3 (x − a) (x − b)(x − c) (a − b)(b − c) . (a − c)3 + 9. 10. 11. 12. 3.136 1. u u 261 2 (a − b)(a − c) u−b (u − a)(u − c) [u > a > b > c] BY (238.14) dx 2 √ = [(a + b − 2c) E (α, p) − 2(b − c) F (α, p)] 3 3 (b − c)(a − b)2 a−c (a − x) (b − x) (c − x) −∞ c−u 2 − (a − b)(b − c) (a − u)(b − u) BY (231.11) [a > b > c ≥ u] c dx 2 √ = [(a + b − 2c) E (β, p) − 2(b − c) F (β, p)] 2 (b − c) a − c 3 3 (a − b) (a − x) (b − x) (c − x) u c−u 2 + (a − b)(a − c) (a − u)(b − u) BY (232.15) [a > b > c > u] u dx 2 √ = [(a − b) F (γ, q) − (a + b − 2c) E (γ, q)] 2 (b − c) a − c 3 3 (a − b) (a − x) (b − x) (x − c) c 2 2 2 a + b − ac − bc − u(a + b − 2c) u−c + (a − b)2 (b − c)(a − c) (a − u)(b − u) BY (233.11) [a > b > u > c] ∞ dx 2 √ = [(a − b) F (ν, q) − (a + b − 2c) E (ν, q)] 2 3 3 (x − a) (x − b) (x − c) (a − b) (b − c) a − c u 2u − a − b + 2 (a − b) (u − a)(u − b)(u − c) BY (238.15) [u > a > b > c] dx 3 (a − x) (b − x)3 (c − x)3 −∞ = 2 (a − − c)2 (a − c)3 × (b − c)(a + b − 2c) F (α, p) − 2 c2 + a2 + b2 − ab − ac − bc E (α, p) b)2 (b + 2[c(a − c) + b(a − b) − u(2a − c − b)] (a − b)(a − c)(b − c)2 (a − u)(b − u)(c − u) [a > b > c > u] BY (231.14) 262 Power and Algebraic Functions ∞ 2. u dx 3 (x − a) (x − b)3 (x − c)3 = 1.6 (a − − c)2 (a − c)3 × (a − b)(2a − b − c) F (ν, q) − 2 a2 + b2 + c2 − ab − ac − bc E (ν, q) 2[u(a + b − 2c) − a(a − c) − b(b − c)] (a − b)2 (a − c)(b − c) (u − a)(u − b)(u − c) [u > a > b > c] BY (238.16) dx 2 a−r √ , p − F (α, p) = Π α, a−c (a − r) a − c −∞ (r − x) (a − x)(b − x)(c − x) u c [a > b > c ≥ u] 2. u u 3. c b u dx 2 √ = (r − x) (a − x)(b − x)(x − c) (r− a)(r − b) a − c r−a , q + (r − b) F (δ, q) × (b − a) Π δ, q 2 r−b [a > b > u ≥ c, r = b] BY (233.02) BY (234.18) dx 2 a−b √ ,p = Π λ, a −r (a − r) a − c (x − r) (a − x)(x − b)(x − c) u a r = c] a 8 7. dx 2 b−c √ ,q = Π γ, r−c (r − c) a − c (r − x) (a − x)(b − x)(x − c) dx 2 √ = (c − r)(b − r) a − c (x − r) (a − x)(x − b)(x − c) 2c− r , p + (b − r) F (κ, p) × (c − b) Π κ, p b−r [a ≥ u > b > c, r = b] BY (235.17) b BY (232.17) u 5. BY (231.15) dx 2(c − b) √ = (r − x) (a − x)(b − x)(c − x) (r − b)(r − c) a − c 2 r−b √ ,p + × Π β, F (β, p) r−c (r − b) a − c [a > b > c > u, r = 0] [a > b ≥ u > c, 4. 6. 2 b)2 (b + 3.137 3.137 [a > u ≥ b > c, u r = a] dx 2 √ = (x − r) (x − a)(x − b)(x − c) (b− r)(a − r) a − c b−r , q + (a − p) F (μ, q) × (b − a) Π μ, a−b [u > a > b > c, r = a] BY (236.02) BY (237.17) 3.139 Square roots of polynomials ∞ 8. u 2 r−c √ , q − F (ν, q) = Π ν, a−c (r − c) a − c (x − r) (x − a)(x − b)(x − c) dx [u ≥ a > b > c] 3.138 u 1. 0 2. 3. 4. 5. dx x(1 − x) (1 − k 2 x) √ = 2 F arcsin u, k [0 < u < 1] √ dx [0 < u < 1] 2 = 2 F arccos u, k u x(1 − x) k + k 2 x √ 1 dx 1−u < ,k [0 < u < 1] = 2 F arcsin k 2 u x(1 − x) x − k u √ dx < [0 < u < 1] = 2 F arctan u, k 2 0 x(1 + x) 1 + k x u √ dx < = F 2 arctan u, k 2 0 x 1 + x2 + 2 k − k 2 x 1 < [0 < u < 1] 1 6. u u 7. a a 8. u 263 dx < =F x k 2 (1 + x2 ) + 2 (1 + k 2 ) x dx (x − α) [(x − m)2 + n2 ] 1 =√ F p dx 1 =√ F 2 2 p (α − x) [(x − m) + n ] BY (238.06) PE (532), JA PE(533) PE (534) PE (535) JA √ π − 2 arctan u, k 2 2 arctan 2 arccot [0 < u < 1] u−α p+m−α , p 2p JA [α < u] , α−u p−m+α , p 2p [u < α] , where p = (m − α)2 + n2 . √ 1− 3−u √ , 3.139 Notation α = arccos 1+ 3−u √ 3+1−u , γ = arccos √ 3−1+u u dx 1 √ F (α, sin 75◦ ) = √ 1. 4 3 3 −∞ 1 − x 1 dx 1 √ F (β, sin 75◦ ) 2. = √ 4 3 3 1 − x u √ 3−1+u β = arccos √ , 3+1−u √ u−1− 3 √ . δ = arccos u−1+ 3 H 66 (285) H 65 (284) 264 3. 4. 5. 6. 7. 8. 9. 10. 11. Power and Algebraic Functions u ∞ 3.139 dx 1 √ F (γ, sin 15◦ ) H 65 (283) = √ 4 3 3 x −1 1 ∞ dx 1 √ F (δ, sin 15◦ ) H 65 (282) = √ 4 3 3 x −1 u 3 1 dx 1 1 √ √ √ = MO 9 Γ 3 2π 3 3 2 1 − x3 0 √ 3 1 x dx 2 1 3 √ = √ MO 9 Γ π 34 3 1 − x3 0 1 1 √ 4 1 − x3 dx = 27 F (β, sin 75◦ ) − 2u 1 − u3 BY (244.01) 5 u √ 1 √ 1 1 x dx 2 1 − u3 4 √ = 3− 4 − 3 4 F (β, sin 75◦ ) + 2 3 E (β, sin 75◦ ) − √ BY (244.05) 3+1−u 1 − x3 u √ 1 m 2(m − 2) 1 xm−3 dx x dx 2um−2 1 − u3 √ √ + = BY (244.07) 2m − 1 2m − 1 u 1 − x3 1 − x3 u √ u √ 1 x dx 2 u3 − 1 4 − 14 ◦ ◦ 4 √ BY (240.05) = 3 + 3 F (γ, sin 15 ) − 2 3 E (γ, sin 15 ) + √ 3−1+u x3 − 1 1 √ u dx 1 + u + u2 1 2 ◦ ◦ √ √ √ √ [F (α, sin 75 = √ ) − 2 E (α, sin 75 )] + 4 3 27 3 1+ 3−u 1−u −∞ (1 − x) 1 − x [u = 1] 12. u BY (246.06) √ dx 1 + u + u2 2 1 ◦ ◦ √ √ √ [F (δ, sin 15 ) − 2 E (δ, sin 15 )] + √ = √ 4 27 3 u−1+ 3 u−1 (x − 1) x3 − 1 [u = 1] √ u (1 − x) dx 2− 3 [F (α, sin 75◦ ) − E (α, sin 75◦ )] = √ √ 2 √ 4 27 −∞ 1 + 3−x 1 − x3 √ 1 (1 − x) dx 2− 3 √ [F (β, sin 75◦ ) − E (β, sin 75◦ )] = 4 √ 2 √ 27 u 1+ 3−x 1 − x3 √ √ √ u 2 3−2 2− 3 (x − 1) dx u3 − 1 √ √ − 4 E (γ, sin 15◦ ) = √ 2 √ u2 − 2u − 2 3 27 1 1+ 3−x x3 − 1 √ √ √ ∞ 2 2− 3 2− 3 (x − 1) dx u3 − 1 √ √ − E (δ, sin 15◦ ) = √ 2 √ 4 2 − 2u − 2 u 3 27 3 u 1+ 3−x x −1 & √ % √ √ u (1 − x) dx 2 + 3 2 4 3 1 − u3 − E (α, sin 75◦ ) = √ √ 2 √ 4 u2 − 2u − 2 27 −∞ 1 − 3−x 1 − x3 √ u (x − 1) dx 2+ 3 √ [F (γ, sin 15◦ ) − E (γ, sin 15◦ )] = 4 √ 2 √ 3 27 1 1− 3−x x −1 BY (242.03) 13. 14. 15. 16. 17. 18. BY (246.07) BY (244.04) BY (240.08) BY (242.07) BY (246.08) BY (240.04) 3.141 Square roots of polynomials √ (x − 1) dx 2+ 3 [F (δ, sin 15◦ ) − E (δ, sin 15◦ )] = √ √ 2 √ 4 3 27 u 1− 3−x x −1 2 u x + x + 1 dx 1 E (α, sin 75◦ ) = √ √ 2 √ 4 3 −∞ 1 + 3−x 1 − x3 2 1 x + x + 1 dx 1 E (β, sin 75◦ ) = √ √ 2 √ 4 3 3 u x−1+ 3 1−x 2 u x + x + 1 dx 1 E (γ, sin 15◦ ) = √ √ 2 √ 4 3 3 1 3+x−1 x −1 2 ∞ x + x + 1 dx 1 E (δ, sin 15◦ ) = √ √ 2 √ 4 3 3 u x−1+ 3 x −1 √ u (x − 1) dx 2+ 3 4 ◦ √ E (γ, sin 15 ) − √ F (γ, sin 15◦ ) = √ 4 4 2 3 27 √ 27 1 (x + x + 1) x − 1 √ 2 − 3 2(u − 1) 3 + 1 − u √ √ − √ 3 3 − 1 + u u3 − 1 19. 20. 21. 22. 23. 24. 265 ∞ BY (242.05) BY (246.01) BY (244.02) BY (240.01) BY (242.01) BY (240.09) √ 2 u 1 + 3 − x dx 1 ,√ + Π α, p2 , sin 75◦ = √ √ √ 2 4 3 −∞ 1 + 3 − x − 4 3p2 (1 − x) 1 − x3 25. 1 26. u u 27. 1 u 3.141 √ 2 1 + 3 − x dx 1 ,√ + Π β, p2 , sin 75◦ = √ √ √ 2 4 3 1 + 3 − x − 4 3p2 (1 − x) 1 − x3 BY (244.03) √ 2 1 − 3 − x dx 1 ,√ + Π γ, p2 , sin 15◦ = √ √ √ 2 4 3 1 − 3 − x − 4 3p2 (x − 1) x3 − 1 BY (240.02) √ 2 1 − 3 − x dx 1 ,√ + Π δ, p2 , sin 15◦ = √ √ √ 2 4 3 1 − 3 − x − 4 3p2 (x − 1) x3 − 1 BY (242.02) ∞ 28. BY (246.02) Notation: In 3.141 and 3.142 we set: a−c c−u u−c , β = arcsin , γ = arcsin α = arcsin a−u b−u b−c . . (a − c)(b − u) (a − c)(u − b) a−u , κ = arcsin , λ = arcsin , δ = arcsin (b − c)(a − u) (a − b)(u − c) a−b u−a a−c a−b b−c μ = arcsin , ν = arcsin , p= , q= . u−b u−c a−c a−c 266 Power and Algebraic Functions √ a−x (a − u)(c − u) dx = 2 a − c [F (β, p) − E (β, p)] + 2 (b − x)(c − x) b−u c 1. u u c √ a−x dx = 2 a − c E (γ, q) (b − x)(x − c) u √ a−x dx = 2 a − c E (δ, q) − 2 (b − x)(x − c) 2. b 3. u 4. b a u u 6. a 7. u u. 8. c u BY (233.01) (b − u)(u − c) a−u [a > b > u ≥ c] √ a−x (a − u)(u − b) dx = 2 a − c [F (κ, p) − E (κ, p)] + 2 (x − b)(x − c) u−c BY (234.06) [a ≥ u > b > c] BY (235.07) √ x−a dx = −2 a − c E (μ, q) + 2 (x − b)(x − c) [a > u ≥ b > c] BY (236.04) (u − a)(u − c) u−b [a > b > c > u] BY (237.03) BY (232.07) √ b−x 2(a − b) dx = 2 a − c E (γ, q) − √ F (γ, q) (a − x)(x − c) a−c BY (233.04) [a > b > u ≥ c] √ x−b (a − u)(u − b) 2(b − c) dx = 2 a − c E (κ, p) − √ F (κ, p) − 2 (a − x)(x − c) u−c a−c BY (234.07) 10. b a. 11. u u. a [a > b ≥ u > c] [a > b ≥ u > c] √ b−x (b − u)(u − c) 2(a − b) dx = 2 a − c E (δ, q) − √ F (δ, q) − 2 (a − x)(x − c) a−u a−c u. 12. BY (232.06) [u > a > b > c] √ 2(b − c) b−x (a − u)(c − u) dx = √ F (β, p) − 2 a − c E (β, p) + 2 (a − x)(c − x) b−u a−c c. 9. [a > b > c > u] √ a−x dx = 2 a − c [F (λ, p) − E (λ, p)] (x − b)(x − c) 5. b. 3.141 [a ≥ u > b > c] BY (235.06) √ x−b 2(b − c) dx = 2 a − c E (λ, p) − √ F (λ, p) (a − x)(x − c) a−c [a > u ≥ b > c] √ 2(a − b) x−b (u − a)(u − c) dx = √ F (μ, q) − 2 a − c E (μ, q) + 2 (x − a)(x − c) u−b a−c [u > a > b > c] BY (236.03) BY (237.04) 3.141 Square roots of polynomials c √ c−x dx = −2 a − c E (β, p) + 2 (a − x)(b − x) 13. u u 14. c b 15. u 16. b a 17. u u 18. a c 19. u u c b 21.11 22. (a − u)(c − u) b−u [a > b > c > u] BY (232.08) √ x−c dx = 2 a − c [F (γ, q) − E (γ, q)] (a − x)(b − x) [a > b ≥ u > c] √ x−c (b − u)(u − c) dx = 2 a − c [F (δ, q) − E (δ, q)] + 2 (a − x)(b − x) a−u u 20. 267 √ x−c dx = 2 a − c E (κ, p) − 2 (a − x)(x − b) √ x−c dx = 2 a − c E (λ, p) (a − x)(x − b) [a > b > u ≥ c] BY (233.03) BY (234.08) (a − u)(u − b) u−c [a ≥ u > b > c] BY (235.07) [a > u ≥ b > c] BY (236.01) √ x−c (u − a)(u − c) dx = 2 a − c [F (μ, q) − E (μ, q)] + 2 (x − a)(x − b) u−b [u > a > b > c] BY (237.05) 2√ (b − x)(c − x) dx = a − c [(2a − b − c) E (β, p) − (b − c) F (β, p)] a−x 3 (a − u)(c − u) 2 + (2b − 2a + c − u) 3 b−u [a > b > c > u] BY (232.11) 2√ (x − c)(b − x) dx = a − c [(2a − b − c) E (γ, q) − 2(a − b) F (γ, q)] a−x 3 2 − (a − u)(b − u)(u − c) 3 [a > b ≥ u > c] BY (233.06) 2√ (x − c)(b − x) dx = a − c [2(b − a) F (δ, q) + (2a − b − c) E (δ, q)] a−x 3 u (b − u)(u − c) 2 + (b + c − a − u) 3 a−u [a > b > u ≥ c] u 2√ (x − b)(x − c) dx = a − c [(2a − b − c) E (κ, p) − (b − c) F (κ, p)] a−x 3 b (a − u)(u − b) 2 + (b + 2c − 2a − u) 3 u−c [a ≥ u > b > c] BY (234.11) BY (235.10) 268 Power and Algebraic Functions a 23. 11 u u 24. a c 25. u u 26. c b 27. 28. 29. 30.11 3.141 2√ (x − b)(x − c) dx = a − c [(2a − b − c) E (λ, p) − (b − c) F (λ, p)] a−x 3 2 + (a − u)(u − b)(u − c) 3 [a > u ≥ b > c] BY (236.07) 2√ (x − b)(x − c) dx = a − c [2(a − b) F (μ, q) + (b + c − 2a) E (μ, q)] x−a 3 (u − a)(u − b) 2 + (u + 2a − 2b − c) 3 u−c [u > a > b > c] BY (237.08) 2√ (a − x)(c − x) dx = a − c [(2b − a − c) E (β, p) − (b − c) F (β, p)] b−x 3 (a − u)(c − u) 2 + (a + c − b − u) 3 b−u [a > b > c > u] BY (232.10) 2√ (a − x)(x − c) dx = a − c [(2b − a − c) E (γ, q) + (a − b) F (γ, q)] b−x 3 2 − (a − u)(b − u)(u − c) 3 [a > b ≥ u > c] BY (233.05) 2√ (a − x)(x − c) dx = a − c [(a − b) F (δ, q) + (2b − a − c) E (δ, q)] b−x 3 u (b − u)(u − c) 2 + (2a + c − 2b − u) 3 a−u [a > b > u ≥ c] u 2√ (a − x)(x − c) dx = a − c [(b − c) F (κ, p) + (a + c − 2b) E (κ, p)] x−b 3 b (a − u)(u − b) 2 + (2b − a − 2c + u) 3 u−c [a ≥ u > b > c] a 2√ (a − x)(x − c) dx = a − c [(a + c − 2b) E (λ, p) + (b − c) F (λ, p)] x−b 3 u 2 − (a − u)(u − b)(u − c) 3 [a > u ≥ b > c] u 2√ (x − a)(x − c) dx = a − c [(a + c − 2b) E (μ, q) − (a − b) F (μ, q)] x − b 3 a (u − a)(u − c) 2 + (u + b − a − c) 3 u−b [u > a > b > c] BY (234.10) BY (235.11) BY (236.06) BY (237.06) 3.142 Square roots of polynomials c 31. u u 32. c b 33. 34. 35. 36. 3.142 2√ (a − x)(b − x) dx = a − c [2(b − c) F (β, p) + (2c − a − b) E (β, p)] c−x 3 (a − u)(c − u) 2 + (a + 2b − 2c − u) 3 b−u [a > b > c > u] BY (232.09) 2√ (a − x)(b − x) dx = a − c [(a + b − 2c) E (γ, q) − (a − b) F (γ, q)] x−c 3 2 + (a − u)(b − u)(u − c) 3 [a > b ≥ u > c] BY (233.07) 2√ (a − x)(b − x) dx = a − c [(a + b − 2c) E (δ, q) − (a − b) F (δ, q)] x − c 3 u (b − u)(u − c) 2 + (2c − 2a − b + u) 3 a−u [a > b > u ≥ c] u 2√ (a − x)(x − b) dx = a − c [(a + b − 2c) E (κ, p) − 2(b − c) F (κ, p)] x − c 3 b (a − u)(u − b) 2 + (u + c − a − b) 3 u−c [a ≥ u > b > c] a 2√ (a − x)(x − b) dx = a − c [(a + b − 2c) E (λ, p) − 2(b − c) F (λ, p)] x−c 3 u 2 − (a − u)(u − b)(u − c) 3 [a > u ≥ b > c] u 2√ (x − a)(x − b) dx = a − c [(a + b − 2c) E (μ, q) − (a − b) F (μ, q)] x−c 3 a (u − a)(u − c) 2 + (u + 2c − a − 2b) 3 u−b [u > a > b > c] u 1. −∞ b 2. u +2 3. b BY (234.09) BY (235.09) BY (236.05) BY (237.07) . √ a−x b−u 2(a − c) 2 2 a−c E (α, p) + dx = √ F (α, p) − (b − x)(c − x)3 b−c b−c (a − u)(c − u) a−c [a > b > c > u] √ a−x 2 a−c a−b √ E (δ, q) F (δ, q) − dx = 2 3 (b − x)(x − c) b−c (b − c) .a − c u 269 a−c b−c BY (231.05) b−u (a − u)(u − c) [a > b > u > c] √ 2 a−x 2 a−c E (κ, p) − √ dx = F (κ, p) (x − b)(x − c)3 b−c a−c [a ≥ u > b > c] BY (234.13) BY (235.12) 270 Power and Algebraic Functions √ 2 a−x (a − u)(u − b) 2 a−c 2 E (λ, p) − √ dx = F (λ, p) − (x − b)(x − c)3 b−c b−c u−c a−c a 4. u u 5. a BY (236.12) [a > u ≥ b > c] √ x−a u−a 2(a − b) 2 a−c √ E (μ, q) − dx = F (μ, q) − 2 3 (x − b)(x − c) b−c (u − b)(u − c) (b − c) a − c [u > a > b > c] √ x−a 2(a − b) 2 a−c √ E (ν, q) − dx = F (ν, q) (x − b)(x − c)3 b−c (b − c) a − c BY (237.10) [u ≥ a > b > c] √ 2 a−c a−b a−x c−u dx = E (α, p) − 2 3 (b − x) (c − x) b−c b − c (a − u)(b − u) BY (238.09) [a > b > c ≥ u] √ a−x 2 a−c dx = E (β, p) [a > b > c > u] 3 (b − x) (c − x) b−c u √ u 2 a−c 2 a−x (a − u)(u − c) dx = [F (γ, q) − E (γ, q)] + 3 (x − c) (b − x) b − c b − c b−u c BY (231.03) ∞ 6. u u 7. −∞ c 8. 9. 3.142 a 10. u u 11. a u [a > b > u > c] √ 2 a−c 2 a−x (a − u)(u − c) dx = E (λ, p) + (x − b)3 (x − c) c−b b−c u−b BY (233.15) [a > u > b > c] BY (236.11) √ 2 a−c x−a dx = [F (μ, q) − E (μ, q)] (x − b)3 (x − c) b−c ∞ 12. u −∞ c. u u. 15. c b. u 2 b−x dx = √ E (α, p) (a − x)3 (c − x) a−c 2 b−x 2(a − b) dx = √ E (β, p) − (a − x)3 (c − x) a−c a−c 14. 16. [u > a > b > c] √ 2 a−c x−a u−a dx = [F (ν, q) − E (ν, q)] + 2 3 (x − b) (x − c) b−c (u − b)(u − c) . 13. BY (232.01) [u ≥ a > b > c] BY (238.10) [a > b > c ≥ u] BY (231.01) c−u (a − u)(b − u) [a > b > c > u] 2 b−x (b − u)(u − c) 2 dx = √ [F (γ, q) − E (γ, q)] + (a − x)3 (x − c) a−c a−u a−c 2 b−x dx = √ [F (δ, q) − E (δ, q)] (a − x)3 (x − c) a−c BY (237.09) BY (232.05) [a > b ≥ u > c] BY (233.13) [a > b > u ≥ c] BY (234.15) 3.142 Square roots of polynomials u. 17. 18. . u 19. −∞ b. 20. u 21. b 22. u u. 23. a 25. ∞ . [a > b > c > u] b−u (a − u)(u − c) [a > b > u > c] BY (234.14) x−b 2 dx = √ [F (κ, p) − E (κ, p)] (a − x)(x − c)3 a−c [a > u ≥ b > c] x−b 2 b−c dx = √ E (μ, q) − 2 (x − a)(x − c)3 a−c a−c u−a (u − b)(u − c) BY (237.11) x−b 2 dx = √ E (ν, q) [u ≥ a > b > c] 3 (x − a)(x − c) a −c u √ u 2 a−c 2(b − c) c−x √ dx = E (α, p) − F (α, p) 3 (b − x) (a − x) a − b (a − b) a − c −∞ √ u u 27. c b 28. u [a > b > c ≥ u] 2 a−c 2(b − c) c−x √ dx = E (β, p) − F (β, p) − 2 3 (a − x) (b − x) a−b (a − b) a − c 26. BY (235.03) BY (236.14) [u > a > b > c] . c BY (238.07) BY (231.04) [a ≥ u > b > c] x−b (a − u)(u − b) 2 2 √ dx = [F (λ, p) − E (λ, p)] + (a − x)(x − c)3 a−c u−c a−c a. BY (235.08) [u > a > b > c] . b−x b−u 2 dx = √ [F (α, p) − E (α, p)] + 2 (a − x)(c − x)3 (a − u)(c − u) a−c b−x 2 dx = − √ E (δ, q) + 2 (a − x)(x − c)3 a−c u. 24. . u−b (a − u)(u − c) b [a > u > b > c] . ∞. 2 x−b u−b dx = √ [F (ν, q) − E (ν, q)] + 2 3 (x − a) (x − c) (u − a)(u − c) a−c u 2 x−b dx = − √ E (κ, p) + 2 (a − x)3 (x − c) a−c 271 BY (238.01) BY (231.07) c−u (a − u)(b − u) [a > b > c > u] BY (232.03) 2 a−c 2 x−c (b − u)(u − c) 2 dx = E (γ, q) − √ F (γ, q) − 3 (a − x) (b − x) a−b a−b a−u a−c √ [a > b ≥ u > c] BY (233.14) x−c 2 a−c 2 dx = E (δ, q) − √ F (δ, q) (a − x)3 (b − x) a−b a−c [a > b > u ≥ c] BY (234.20) √ 272 Power and Algebraic Functions u 29. b √ x−c 2(b − c) 2 a−c √ dx = E (κ, p) F (κ, p) − (a − x)3 (x − b) a−b (a − b) . a−c +2 a−c a−b u−b (a − u)(u − c) [a > u > b > c] ∞ 30. u √ 2 2(a − c) x−c 2 a−c √ dx = E (ν, q) + F (ν, q) − (x − a)3 (x − b) a−b a−b a−c u 31. −∞ c 32. u u 33. c a 34. u 36. 3.143 1. 6 2. 3.144 1. . BY (235.13) u−b (u − a)(u − c) [u > a > b > c] √ c−x c−u 2 a−c [F (α, p) − E (α, p)] + 2 dx = 3 (a − x)(b − x) a−b (a − u)(b − u) BY (238.08) [a > b > c ≥ u] BY (231.06) [a > b > c > u] 2 x−c (a − u)(u − c) 2 a−c E (γ, q) + dx = − 3 (a − x)(b − x) a−b a−b b−u BY (232.04) [a > b > u > c] √ 2 x−c (a − u)(u − c) 2 a−c [F (λ, p) − E (λ, p)] + dx = (a − x)(x − b)3 a−b a−b u−b BY (233.16) √ c−x 2 a−c [F (β, p) − E (β, p)] dx = (a − x)(b − x)3 a−b √ [a > u > b > c] √ x−c 2 a−c E (μ, q) [u > a > b > c] dx = (x − a)(x − b)3 a−b a √ ∞ b−c x−c u−a 2 a−c E (ν, q) − 2 dx = 3 (x − a)(x − b) a−b a − b (u − b)(u − c) u BY (236.13) [u ≥ a > b > c] BY (238.11) u 35. 3.143 √ √ 2 (1 − u) √ 4 arctan ,2 2 2−1 (1 + u) u √ ∞ dx 2 u2 − 1 1 √ , = F arccos 2 4 2 u + 1 2 1 + x u 1 dx 1 √ = F 2 1 + x4 1+ 1 Notation: α = arcsin √ . 2 u −u+1 √ ∞ dx 3 = F α, 2 2 x(x − 1) (x − x + 1) u [u ≥ 1] BY (237.01) H 66 (286) H 66 (287) BY (261.50) 3.144 Square roots of polynomials ∞ 2. u ∞ 3. u ∞ 4. u 5. 6. 2(2u − 1) dx 273 = − 4E x3 (x − 1)3 (x2 − x + 1) u(u − 1) (u2 − u + 1) √ 3 α, 2 BY (261.54) [u > 1] & √ √ 3 3 2u − 1 α, − E α, + 2 2 2 u(u − 1) (u2 − u − 1) % (2x − 1)2 dx =4 F x3 (x − 1)3 (x2 − x + 1) [u > 1] √ & √ 3 3 α, − E α, 2 2 % dx 4 < = F 3 3 x(x − 1) (x2 − x + 1) [u ≥ 1] √ 3 α, 2 ∞ (2x − 1)2 dx < [u > 1] = 4E 3 u x(x − 1) (x2 − x + 1) √ √ ∞. x(x − 1) 3 3 4 1 α, − F α, 3 dx = 3 E 2 2 3 2 (x − x + 1) u ∞ 7. u ∞ 8. u u ∞ 10. u . dx (2x − 1)2 ∞ 9. dx (2x − 1)2 ∞ 11. u (2x − 1)2 BY (261.56) BY (261.52) BY (261.51) BY (261.53) [u > 1] √ & √ 1 3 3 u(u − 1) α, − E α, + 2 2 2(2u − 1) u2 − u + 1 % 1 x(x − 1) = F x2 − x + 1 3 x2 − x + 1 =E x(x − 1) [u > 1] √ 3 3 u(u − 1) α, − 2 2(2u − 1) u2 − u + 1 dx 4 = E 2 3 x(x − 1) (x − x + 1) dx 40 E = 5 5 2 3 x (x − 1) (x − x + 1) dx 44 < F = 27 5 x(x − 1) (x2 − x + 1) BY (261.57) [u > 1] BY (261.58) √ √ 1 2 3 3 u(u − 1) α, − F α, − 2 3 2 2u − 1 u2 − u + 1 [u > 1] BY (261.55) √ 2 √ 2(2u − 1) 9u − 9u − 1 3 3 4 α, − F α, − 2 3 2 3 u3 (u − 1)3 (u2 − u + 1) [u > 1] BY (261.54) √ √ 2(2u − 1) u(u − 1) 3 3 56 < α, − E α, + 2 27 2 3 9 (u2 − u + 1) [u > 1] BY (261.52) 274 Power and Algebraic Functions ∞ 12. u 3.145 u 1. α u 2. √ √ 3 3 16 1 E α, F α, = − 4 2 27 2 27 2 (2x − 1) x(x − 1) (x − x + 1) 8 5u2 − 5u + 2 u(u − 1) − 3 9(2u − 1) u2 − u + 1 [u > 1] dx dx 1 =√ F 2 2 pq (x − α)(x − β) [(x − m) + n ] . q(u − α) 1 2 arctan , p(u − β) 2 [β < α < u] . BY (261.55) (p + q)2 + (α − β)2 pq dx (α − x)(x − β) [(x − m)2 + n2 ] . q(α − u) 1 −(p − q)2 + (α − β)2 2 arccot , p(u − β) 2 pq [β < u < α] . . β dx q(β − u) 1 (p + q)2 + (α − β)2 1 , = √ F 2 arctan pq p(α − u) 2 pq (x − α)(x − β) [(x − m)2 + n2 ] u [u < β < α] β 1 =√ F pq 3. 3.145 . where (m − α)2 + n2 = p2 , and (m − β)2 + n2 = q 2 .∗ 4. Set 2 2 2 2 (m1 − m) + (n1 + n) = p2 , (m1 − m) + (n1 − n) = p21 , . 2 (p + p1 ) − 4n2 cot α = 2; 4n2 − (p − p1 ) then u dx 2 ,= p+p F + 1 m−n tan α 2 [(x − m)2 + n2 ] (xm1 ) + n21 α + arctan √ u − m 2 pp1 , n p + p1 [m − n tan α < u < m + n cot α] 3.146 1 1. 0 2. 0 1 1 dx π 1√ √ = + 2K 4 1+x 8 4 1 − x4 x2 dx π √ = 4 4 1+x 8 1−x √ 2 2 BI (13)(6) BI (13)(7) ∗ Formulas 3.145 are not valid for α + β = 2m. In this case, we make the substitution x − m = z, which leads to one of the formulas in 3.152. 3.147 Square roots of polynomials 1 3. 0 1√ x4 dx π √ =− + 2K 4 1+x 8 4 1 − x4 √ 2 2 BI (13)(8) . 3.147 Notation: In 3.147–3.151 we set: α = arcsin . β = arcsin . δ = arcsin 275 (a − c)(d − u) , (a − d)(c − u) . (a − c)(u − d) , (c − d)(a − u) γ = arcsin (b − d)(u − c) , (b − c)(u − d) κ = arcsin . (b − d)(c − u) , (c − d)(b − u) (a − c)(b − u) , (b − c)(a − u) . (a − c)(u − b) (b − d)(a − u) , μ = arcsin , λ = arcsin (a − b)(u − c) (a − b)(u − d) . . . (b − d)(u − a) (b − c)(a − d) (a − b)(c − d) , q= , r= . ν = arcsin (a − d)(u − b) (a − c)(b − d) (a − c)(b − d) . d 1. u dx 2 = F (α, q) (a − x)(b − x)(c − x)(d − x) (a − c)(b − d) [a > b > c > d > u] u 2. d u dx (a − x)(b − x)(c − x)(x − d) c u F (β, r) = 2 (a − c)(b − d) dx (a − x)(b − x)(x − c)(x − d) = 2 (a − c)(b − d) dx (a − x)(b − x)(x − c)(x − d) = 2 (a − c)(b − d) u b dx (a − x)(x − b)(x − c)(x − d) = 2 (a − c)(b − d) a u BY (253.00) F (δ, q) BY (254.00) F (κ, q) BY (255.00) F (λ, r) [a ≥ u > b > c > d] 7.11 BY (254.00) F (γ, r) [a > b > u ≥ c > d] 6. (a − c)(b − d) [a > b ≥ u > c > d] b 5. 2 [a > b > c > u ≥ d] u 4. (a − x)(b − x)(c − x)(x − d) = [a > b > c ≥ u > d] c 3. dx BY (251.00) BY (256.00) dx 2 = F (μ, r) (a − x)(x − b)(x − c)(x − d) (a − c)(b − d) [a > u ≥ b > c > d] BY (257.00) 276 Power and Algebraic Functions u 8. a dx (x − a)(x − b)(x − c)(x − d) = 2 (a − c)(b − d) 3.148 F (ν, q) [u > a > b > c > d] 3.148 1. d 8 u u 2. x dx = (a − x)(b − x)(c − x)(d − x) (a − c)(b − d) d c 3. u b 5. u 6. u 8 (a − x)(b − x)(c − x)(x − d) a 7. u x dx (a − x)(b − x)(x − c)(x − d) x dx (a − x)(b − x)(x − c)(x − d) b (a − x)(b − x)(c − x)(x − d) x dx c x dx = = 2 (a − c)(b − d) 2 (a − c)(b − d) a−d , q + c F (α, q) (d − c) Π α, a−c [a > b > c > d > u] BY (251.03) [a > b > c ≥ u > d] BY (252.11) d−c , r + a F (β, r) (d − a) Π β, a−c (c − b) Π γ, c−d , r + b F (γ, r) b−d [a > b > c > u ≥ d] u 4. 2 x dx (a − x)(x − b)(x − c)(x − d) = = 2 (a − c)(b − d) 2 (a − c)(b − d) = 2 (a − c)(b − d) x dx 2 = (a − x)(x − b)(x − c)(x − d) (a − c)(b − d) (c − d) Π δ, 8. a x dx (x − a)(x − b)(x − c)(x − d) = 2 (a − c)(b − d) [a > b ≥ u > c > d] BY (254.10) [a > b > u ≥ c > d] BY (255.17) [a ≥ u > b > c > d] BY (256.11) b−c , q + a F (κ, q) (b − a) Π κ, a−c a−b , r + c F (λ, r) (b − c) Π λ, a−c (a − d) Π μ, b−a , r + d F (μ, r) b−d (a − b) Π ν, d 1. u dx x (a − x)(b − x)(c − x)(d − x) 2 = cd (a − c)(b − d) BY (257.11) a−d , q + b F (ν, q) b−d [u > a > b > c > d] 3.149 BY (253.11) b−c , q + d F (δ, q) b−d [a > u ≥ b > c > d] u BY (258.00) BY (258.11) c(a − d) , q + d F (α, q) (c − d) Π α, d(a − c) [a > b > c > d > u] BY (251.04) 3.149 Square roots of polynomials u 2. d dx x (a − x)(b − x)(c − x)(x − d) = c 3. u 2 ad (a − c)(b − d) dx x (a − x)(b − x)(c − x)(x − d) = u 4. 2 bc (a − c)(b − d) 277 a(d − c) , r + d F (β, r) d(a − c) [a > b > c ≥ u > d] BY (252.12) (a − d) Π β, b(c − d) , r + c F (γ, r) c(b − d) [a > b > c > u ≥ d] BY (253.12) (b − c) Π γ, dx x (a − x)(b − x)(x − c)(x − d) d(b − c) = , q + c F (δ, q) (d − c) Π δ, c(b − d) cd (a − c)(b − d) [a > b ≥ u > c > d] BY (254.11) c 2 b 5. u dx x (a − x)(b − x)(x − c)(x − d) = u 6. 2 a(b − c) , q + b F (κ, q) × (a − b) Π κ, b(a − c) ab (a − c)(b − d) [a > b > u ≥ c > d] BY (255.18) dx x (a − x)(x − b)(x − c)(x − d) c(a − b) = , r + b F (λ, r) × (c − b) Π λ, b(a − c) bc (a − c)(b − d) [a ≥ u > b > c > d] BY (256.12) b 2 a 7. u 8. a u dx x (a − x)(x − b)(x − c)(x − d) 2 d(b − a) = , r + a F (μ, r) × (d − a) Π μ, a(b − d) ad (a − c)(b − d) [a > u ≥ b > c > d] BY (257.12) dx x (x − a)(x − b)(x − c)(x − d) = 2 ab (a − c)(b − d) b(a − d) , q + a F (ν, q) a(b − d) [u > a > b > c > d] BY (258.12) (b − a) Π ν, 278 Power and Algebraic Functions 3.151 1. d u dx (p − x) (a − x)(b − x)(c − x)(d − x) = u 2. d dx (p − x) (a − x)(b − x)(c − x)(x − d) = c 3. u dx 2 = (p − x) (a − x)(b − x)(c − x)(x − d) (p− b)(p − c) (a − c)(b − d) (c − d)(p − b) × (c − b) Π γ, , r + (p − c) F (γ, r) (b − d)(p − c) [a > b > c > u ≥ d, p = c] BY (253.39) b dx (p − x) (a − x)(b − x)(x − c)(x − d) 5. u = b 2 (p− a)(p − d) (a − c)(b − d) (d − c)(p − a) × (d − a) Π β, , r + (p − d) F (β, r) (a − c)(p − d) [a > b > c ≥ u > d, p = d] BY (252.39) dx 2 = (p − x) (a − x)(b − x)(x − c)(x − d) (p− c)(p − d) (a − c)(b − d) (b − c)(p − d) × (c − d) Π δ, , q + (p − c) F (δ, q) (b − d)(p − c) [a > b ≥ u > c > d, p = c] BY (254.39) c 6. 2 (p− c)(p − d) (a − c)(b − d) (a − d)(p − c) × (d − c) Π α, , q + (p − d) F (α, q) (a − c)(p − d) [a > b > c > d > u, p = d] BY (251.39) u 4. 3.151 u 2 (p− a)(p − b) (a − c)(b − d) (b − c)(p − a) × (b − a) Π κ, , q + (p − b) F (κ, q) (a − c)(p − b) [a > b > u ≥ c > d, p = b] BY (255.38) dx (x − p) (a − x)(x − b)(x − c)(x − d) = 2 (b− p)(p − c) (a − c)(b − d) (a − b)(p − c) × (b − c) Π λ, , r + (p − b) F (λ, r) (a − c)(p − b) [a ≥ u > b > c > d, p = b] BY (256.39) 3.152 Square roots of polynomials a 7. u dx (p − x) (a − x)(x − b)(x − c)(x − d) = u 8. a 2 (p− a)(p − d) (a − c)(b − d) (b − a)(p − d) × (a − d) Π μ, , r + (p − a) F (μ, r) (b − d)(p − a) [a > u ≥ b > c > d, p = a] BY (257.39) dx (p − x) (x − a)(x − b)(x − c)(x − d) = 3.152 Notation: In 3.152–3.163 we set: 279 2 (p− a)(p − b) (a − c)(b − d) (a − d)(p − b) × (a − b) Π ν, , q + (p − a) F (ν, q) (b − d)(p − a) [u > a > b > c > d, p = a] BY (258.39) u α = arctan , b β = arccot u a b a2 + b 2 u ε = arccos , ξ = arcsin δ = arccos , , b u a2 + u 2 a b2 − u2 a u2 − b 2 ζ = arcsin , κ = arcsin , b a2 − u 2 u a2 − b 2 √ u 2 − a2 a2 − b 2 a , q = , μ = arcsin , ν = arcsin u2 − b 2 u a b a b r= √ , s= √ , t= . 2 2 2 2 a a +b a +b a2 + b 2 , a2 + u 2 u η = arcsin , b 2 a − u2 λ = arcsin , a2 − b 2 γ = arcsin u 1. ∞ 2. u u 3. [a > b > 0] H 62(258), BY (221.00) dx 1 = F (β, q) 2 2 2 2 a (x + a ) (x + b ) [a > b > 0] H 63 (259), BY (222.00) 0 b 4. u u 5. ∞ 6. u (x2 + a2 ) (x2 + b2 ) dx (x2 + a2 ) (b2 + a2 ) (b2 − 1 =√ F (γ, r) 2 a + b2 [b ≥ u > 0] H 63 (260) − x2 ) 1 =√ F (δ, r) 2 a + b2 [b > u ≥ 0] H 63 (261), BY (213.00) 1 =√ F (ε, s) 2 a + b2 [u > b > 0] H 63 (262), BY (211.00) [u > b > 0] H 63 (263), BY (212.00) dx (x2 + a2 ) (x2 = x2 ) dx (x2 b dx 1 F (α, q) a 0 u b − b2 ) dx 1 =√ F (ξ, s) 2 2 2 2 2 a + b2 (x + a ) (x − b ) 280 Power and Algebraic Functions u 7. = 1 F (η, t) a [a > b ≥ u > 0] H 63 (264), BY (219.00) = 1 F (ζ, t) a [a > b > u ≥ 0] H 63 (265), BY (220.00) = 1 F (κ, q) a [a ≥ u > b > 0] H 63 (266), BY (217.00) dx 1 = F (λ, q) 2 2 2 2 a (a − x ) (x − b ) [a > u ≥ b > 0] H 63 (257), BY (218.00) 1 F (μ, t) a [u > a > b > 0] H 63 (268), BY (216.00) dx 1 = F (ν, t) a (x2 − a2 ) (x2 − b2 ) [u ≥ a > b > 0] H 64(269), BY (215.00) 0 b 8. u u 9. a 10. u u 11. ∞ u 3.153 u 1. 0 u 2. 0 u u u 5. b 6. u − x2 ) (x2 − b2 ) dx (x2 − a2 ) (x2 − b2 ) x2 dx (x2 + a2 ) (x2 = + b2 ) x2 dx (a2 + x2 ) (b2 − x2 ) =u = a2 + u 2 − a E (α, q) b2 + u2 a2 + b2 [u > 0, a > b] a2 E (γ, r) − √ F (γ, r) − u a2 + b 2 x dx + x2 ) (b2 − x2 ) = b a 8. u b 2 − u2 a2 + u 2 BY (214.05) a a2 + b2 E (δ, r) − √ F (δ, r) 2 a + b2 BY (213.06) b2 1 2 =√ F (ε, s) − a2 + b2 E (ε, s) + (u + a2 ) (u2 − b2 ) u a2 + b 2 (a2 + x2 ) (x2 − b2 ) x2 dx x2 dx (a2 − x2 ) (b2 − x2 ) x2 dx (a2 BY (221.09) 2 − x2 ) (b2 − x2 ) = a {F (η, t) − E (η, t)} = a {F (ζ, t) − E (ζ, t)} + u [u > b > 0] BY (211.09) [a > b ≥ u > 0] BY (219.05) b2 − u2 a2 − u 2 [a > b > u ≥ 0] u 7. dx (a2 (a2 0 − x2 ) 2 b − x2 ) (b2 [b > u ≥ 0] 4. − x2 ) [b ≥ u > 0] b 3. − x2 ) (b2 dx a 12. (a2 (a2 b dx 3.153 x2 dx (a2 − x2 ) (x2 − b2 ) = a E (κ, q) − x2 dx = a E (λ, q) (a2 − x2 ) (x2 − b2 ) BY (220.06) 1 2 (a − u2 ) (u2 − b2 ) u [a ≥ u > b > 0] BY (217.05) [a > u ≥ b > 0] BY (218.06) 3.154 Square roots of polynomials 9. u 6 a 1 10. 0 3.154 u 1. 0 x2 dx (1 + u b 3. u 4. u 5. b 6. u u 7. b 1 k2 1 + k2 −E 2 π , 1 − k2 4 a 8. u BI (14)(9) x2 ) (b2 + − x2 ) 4 x dx (a2 + x2 ) (x2 − b2 ) x4 dx (a2 − x2 ) (b2 − x2 ) x4 dx (a2 u > 0] 2 1 2a − b2 a2 F (γ, r) − 2 a4 − b4 E (γ, r) = √ (a2 + x2 ) (b2 − x2 ) 3 a2 + b2 b2 − u2 u 2 2 2 − 2b − a + u 3 a2 + u 2 [a ≥ u > 0] (a2 0 = BY (216.06) a2 + u 2 b2 + u2 BY (221.09) x4 dx x4 dx b + k 2 x2 ) [u > a > b > 0] u 2 a 2 2 a + b2 E (α, q) − b2 F (α, q) + u − 2a2 − b2 = 3 3 (x2 + a2 ) (x2 + b2 ) u x2 ) (1 u 2 − a2 u2 − b2 x4 dx 0 (x2 − a2 ) (x2 − b2 ) = a {F (μ, t) − E (μ, t)} + u [a > b, 2. x2 dx 281 − x2 ) (b2 − x2 ) 2 1 2a − b2 a2 F (δ, r) − 2 a4 − b4 E (δ, r) = √ 2 2 3 a +b u 2 + (a + u2 ) (b2 − u2 ) 3 [b > u ≥ 0] BY (213.06) 2 1 2b − a2 b2 F (ε, s) + 2 a4 − b4 E (ε, s) = √ 2 2 3 a +b 2b2 − 2a2 + u2 2 + (u + a2 ) (u2 − b2 ) 3u [u > b > 0] BY (211.09) = = 4 x dx (a2 − x2 ) (x2 − b2 ) BY (214.05) = u a 2 2a + b2 F (η, t) − 2 a2 + b2 E (η, t) + (a2 − u2 ) (b2 − u2 ) 3 3 [a > b ≥ u > 0] BY (219.05) a 2 2a + b2 F (ζ, t) − 2 a2 + b2 E (ζ, t) 3 b2 − u2 u 2 2 2 + u + a + 2b 3 a2 − u 2 [a > b > u ≥ 0] BY (220.06) a 2 2 a + b2 E (κ, q) − b2 F (κ, q) 3 u2 + 2a2 + 2b2 2 (a − u2 ) (u2 − b2 ) − 3u [a ≥ u > b > 0] BY (217.05) u x dx a 2 2 a + b2 E (λ, q) − b2 F (λ, q) + = (a2 − u2 ) (u2 − b2 ) 2 2 2 2 3 3 (a − x ) (x − b ) 4 [a > u ≥ b > 0] BY (218.06) 282 Power and Algebraic Functions u 9. a 3.155 1. a u 2. 3. 4. 5.9 6. 7. 8. x4 dx (x2 − a2 ) (x2 − b2 ) = a 2 2a + b2 F (μ, t) − 2 a2 + b2 E (μ, t) 3 u 2 − a2 u 2 2 2 + u + 2a + b 3 u2 − b 2 [u > a > b > 0] (a2 − x2 ) (x2 − b2 ) dx = 3.155 BY (216.06) u a 2 a + b2 E (λ, q) − 2b2 F (λ, q) − (a2 − u2 ) (u2 − b2 ) 3 3 [a > u ≥ b > 0] u a 2 a + b2 E (μ, t) − a2 − b2 F (μ, t) (x2 − a2 ) (x2 − b2 ) dx = 3 a u 2 − a2 u 2 2 2 + u − a − 2b 3 u2 − b 2 [u > a > b > 0] u a 2 2b F (α, q) − a2 + b2 E (α, q) (x2 + a2 ) (x2 + b2 ) dx = 3 0 a2 + u 2 u 2 2 2 + u + a + 2b 3 b2 + u2 [a > b, u > 0] u 1 (a2 + x2 ) (b2 − x2 ) dx = a2 + b2 a2 F (γ, r) − a2 − b2 E (γ, r) 3 0 b2 − u2 u 2 2 2 + u + 2a − b 3 a2 + u 2 [a ≥ u > 0] b 1 2 (a2 + x2 ) (b2 − x2 ) dx = a + b2 a2 F (δ, r) + b2 − a2 E (δ, r) 3 u u 2 (a + u2 ) (b2 − u2 ) + 3 [b > u ≥ 0] u 1 (a2 + x2 ) (x2 − b2 ) dx = a2 + b2 b2 − a2 E (ε, s) − b2 F (ε, s) 3 b u 2 + a2 − b 2 2 (a + u2 ) (u2 − b2 ) + 3u [u > b > 0] u a 2 a + b2 E (η, t) − a2 − b2 F (η, t) (a2 − x2 ) (b2 − x2 ) dx = 3 0 u 2 (a − u2 ) (b2 − u2 ) + 3 [a > b ≥ u > 0] b a 2 a + b2 E (ζ, t) − a2 − b2 F (ζ, t) (a2 − x2 ) (b2 − x2 ) dx = 3 u b2 − u2 u + u2 − 2a2 − b2 3 a2 − u 2 [a > b > u ≥ 0] BY (218.11) BY (216.10) BY (221.08) BY (214.12) BY (213.13) BY (211.08) BY (219.11) BY (220.05) 3.156 3.156 ∞ 6 u x2 x2 b dx 1 √ = a2 b 2 a2 + b 2 (x2 + a2 ) (x2 − b2 ) u > 0] a2 + b 2 4. x2 u dx (x2 + a2 ) (x2 − b2 ) = 1 √ a2 + b a2 b 2 a2 + b 2 u2 − b 2 1 − 2 b u a2 + u 2 2 u 6. x2 b a 7. u x2 dx 1 = 2 E (κ, q) 2 2 2 2 ab (a − x ) (x − b ) dx (a2 − x2 ) (x2 − b2 ) = BY (213.09) BY (211.11) E (ξ, s) − b2 F (ξ, s) [u ≥ b > 0] b dx b2 − u2 1 1 = 2 {F (ζ, t) − E (ζ, t)} + 2 2 2 2 2 2 ab b u a2 − u 2 (a − x ) (b − x ) u x BY (222.04) E (ε, s) − b2 F (ε, s) [u > b > 0] ∞ BY (217.09) b2 + u2 1 − 2 E (β, q) 2 2 a +u ab 2 dx 1 √ a F (δ, r) − a2 + b2 E (δ, r) = 2 2 2 2 2 2 2 2 (x + a ) (b − x ) a b a + b 1 2 + 2 2 (a + u2 ) (b2 − u2 ) a b u [b > u > 0] u 3. 1 = 2 2 2 2 2 2 ub x (x + a ) (x + b ) b u dx [a ≥ b, 2. 5. 283 u a 2 a + b2 E (κ, q) − 2b2 F (κ, q) (a2 − x2 ) (x2 − b2 ) dx = 3 b u 2 − a2 − b 2 2 (a − u2 ) (u2 − b2 ) + 3u [a ≥ u > b > 0] 9. 1. Square roots of polynomials BY (212.06) [a > b > u > 0] BY (220.09) [a ≥ u > b > 0] BY (217.01) 1 1 2 E (λ, q) − 2 2 (a − u2 ) (u2 − b2 ) 2 ab a b u [a > u ≥ b > 0] u dx u 2 − a2 1 1 = 2 {F (μ, t) − E (μ, t)} + 2 2 ab a u u2 − b 2 (x2 − a2 ) (x2 − b2 ) a x BY (218.12) [u > a > b > 0] BY (216.09) [u ≥ a > b > 0] BY (215.07) 8. ∞ 9. u x2 dx (x2 − a2 ) (x2 − b2 ) = 1 {F (ν, t) − E (ν, t)} ab2 284 3.157 Power and Algebraic Functions u 1. 0 2. 3. b [b ≥ u > 0, 11. (p − x2 ) dx 1 b √ ,r = Π δ, 2 2 2 2 2 2 2 2 b −p (p − b ) a + b (a + x ) (b − x ) b > u ≥ 0, p = b2 [u ≥ b > 0] u 0 10. p = 0] BY (214.13)a 2 BY (213.02) u 7. 9. 2 dx 1 p 2 √ F (ε, s) = , s + p − b b2 Π ε, 2 p − b2 (a2 + x2 ) (x2 − b2 ) p (p − b2 ) a2 + b2 b (p − x ) u > b > 0, p = b2 BY (211.14) ∞ dx 1 a2 + p √ = , s − F (ξ, s) Π ξ, 2 2 a + b2 (a2 + p) a2 + b2 (a2 + x2 ) (x2 − b2 ) u (x − p) 8. BY (221.13) dx 1 a +p =− , q − F (β, q) BY (222.11) Π β, 2 a (a2 + p) a2 (x2 + a2 ) (x2 + b2 ) u (p − x ) u b 2 p + a2 dx 1 2 √ , r + p F (γ, r) = a Π γ, 2 p (a2 + b2 ) p (p + a2 ) a2 + b2 (a2 + x2 ) (b2 − x2 ) 0 (p − x ) ∞ u 6. b2 p + b2 Π α, , q + F (α, q) p p [p = 0] 4. 5. dx 1 = a (p + b2 ) (p − x2 ) (x2 + a2 ) (x2 + b2 ) 3.157 dx b2 1 Π η, , t = ap p (p − x2 ) (a2 − x2 ) (b2 − x2 ) b [a > b ≥ u > 0; BY (212.12) p = b] BY (219.02) dx 1 = 2 ) (p − b2 ) 2 2 2 2 a (p − a (a − x ) (b − x ) u (p − 2 2 2 b p − a × b − a2 Π ζ, 2 , t + p − b2 F (ζ, t) a (p − b2 ) a > b > u ≥ 0; p = b2 BY (220.13) u p a2 − b 2 dx 1 2 2 b Π κ, 2 , q + p − b F (κ, q) = 2 ap (p − b2 ) a (p − b2 ) (a2 − x2 ) (x2 − b2 ) b (p − x ) a ≥ u > b > 0; p = b2 BY (217.12) a a2 − b 2 dx 1 Π λ, 2 ,q = 2 2 a (a − p) a −p (a2 − x2 ) (x2 − b2 ) u (x − p) a > u ≥ b > 0; p = a2 BY (218.02) u dx 2 2 (x − a2 ) (x2 − b2 ) a (p − x ) 2 p − b2 1 2 2 a Π μ, F (μ, t) − b , t + p − a = a (p − a2 ) (p − b2 ) p − a2 u > a > b > 0; p = a2 , p = b2 BY (216.12) x2 ) 3.158 Square roots of polynomials ∞ 12. (x2 − p) u dx (x2 − a2 ) (x2 − b2 ) = 285 p 1 Π ν, 2 , t − F (ν, t) ap a [u ≥ a > b > 0; 3.158 1. u 0 0 5. b 6. u < dx = 3 (a2 + x2 ) (b2 − x2 ) a2 1 √ E (γ, r) a2 + b 2 u > 0] BY (221.06) u ≥ 0] BY (222.03) [b ≥ u > 0] dx 1 u < = √ E (δ, r) − 2 2 2 2 2 a (a + b2 ) 3 a a +b (a2 + x2 ) (b2 − x2 ) u < b dx = 3 (a2 + x2 ) (x2 − b2 ) BY (214.01)a b2 − u2 a2 + u 2 1 1 √ {F (ε, s) − E (ε, s)} + 2 2 2 2 (a + b2 ) u a a +b [u > b > 0] ∞ 8. u < 0 dx (a2 + x2 ) (b2 − = 3 x2 ) 10. u u2 − b 2 u 2 + a2 BY (211.05) BY (212.03) 1 u √ {F (γ, r) − E (γ, r)} + b 2 a2 + b 2 b2 (a2 + u2 ) (b2 − u2 ) [b > u > 0] ∞ BY (213.08) dx 1 < = √ {F (ξ, s) − E (ξ, s)} 2 3 a a2 + b 2 (a2 + x2 ) (x2 − b2 ) [u ≥ b > 0] u 9. (x2 + b2 ) u 1 {F (α, q) − E (α, q)} + a (a2 − b2 ) a2 (u2 + a2 ) (u2 + b2 ) [b > u ≥ 0] 7. = BY (222.05) dx 1 < {F (β, q) − E (β, q)} = 2 a (a − b2 ) 3 (a2 + x2 ) (x2 + b2 ) 0 3 a2 ) [a > b, u BY (221.05) u ≥ 0] [a > b; u dx (x2 + 4. u > 0] 2 dx 1 u < a E (β, q) − b2 F (β, q) − = 2 2 2 2 2 ab (a − b ) 3 b (a + u2 ) (b2 + u2 ) (x2 + a2 ) (x2 + b2 ) < ∞ BY (215.12) 2 1 a E (α, q) − b2 F (α, q) 2 2 (a − b ) [a > b, u 3. 3 ab2 [a > b; ∞ u = (x2 + a2 ) (x2 + b2 ) 2. dx < p = 0] BY (214.10) dx 1 u < − √ = E (ξ, s) 2 2 + b2 2 2 2 2 2 3 b a b (a + u ) (u − b ) 2 2 2 2 (a + x ) (x − b ) [u ≥ b > 0] BY (212.04) 286 Power and Algebraic Functions u 11. < 0 (a2 b 12. < u u 13. (a2 − < ∞ 14. u u 15. a 16. u < < ∞ 18. u u 1. = (b2 − x2 ) dx 3 (a2 − x2 ) (x2 − b2 ) 1 E (ζ, t) a (a2 − b2 ) 1 = a (a2 − b2 ) dx = 3 (a2 − x2 ) (b2 − x2 ) b2 − u2 a2 − u 2 [a > b ≥ u > 0] BY (219.07) [a > b > u ≥ 0] BY (220.10) a F (κ, q) − E (κ, q) + u u2 − b 2 a2 − u 2 [a > u > b > 0] a u2 − b 2 E (ν, t) − u u 2 − a2 BY (217.10) 1 1 F (η, t) − 2 2 ab2 b (a − b2 ) dx (x2 − a2 ) (x2 − = 3 b2 ) [u > a > b > 0] a E (η, t) − u [a > b > u > 0] b2 F (λ, q) − a2 E (λ, q) + au a2 − u 2 b2 − u2 BY (215.04) a2 − u 2 u2 − b 2 x2 dx (x2 + a2 ) (x2 + = 3 b2 ) ∞ u BY (218.04) [u > a > b > 0] 1 b 2 u 2 − a2 − 2 F (ν, t) a E (ν, t) − 2 2 u u −b ab BY (216.11) [u ≥ a > b > 0] BY (215.06) a {F (α, q) − E (α, q)} a2 − b 2 [a > b, 2. BY (219.06) 1 a E (μ, t) − 2 F (μ, t) b2 (a2 − b2 ) ab dx 1 < = 2 2 b (a − b2 ) 3 (x2 − a2 ) (x2 − b2 ) < 0 3 x2 ) a E (η, t) − u dx 1 < = 2 2 ab (a − b2 ) 3 (a2 − x2 ) (x2 − b2 ) a 3.159 − x2 ) [a > u > b > 0] u 17. (b2 1 = 2 2 a (a − b2 ) dx 1 < = 2 a (b − a2 ) 3 (x2 − a2 ) (x2 − b2 ) 0 − 3 x2 ) dx b dx 3.159 u > 0] BY (221.12) x2 dx a u < = 2 {F (β, q) − E (β, q)} + 2 2 + u2 ) (b2 + u2 ) a − b 3 (a (x2 + a2 ) (x2 + b2 ) [a > b, u ≥ 0] BY (222.10) 3.159 Square roots of polynomials u 3. 0 u 7. b < ∞ u 9. x2 dx 1 u =√ {F (δ, r) − E (δ, r)} + 2 2 + b2 a + b2 3 a (a2 + x2 ) (b2 − x2 ) 0 u u 11. b u u BY (213.07) x2 dx (a2 + x2 ) (b2 − 3 x2 ) [u > b > 0] BY (211.13) [u ≥ b > 0] BY (212.01) 1 u −√ = E (γ, r) 2 2 2 2 2 a + b2 (a + u ) (b − u ) BY (214.07) x dx 1 u < =√ {F (ξ, s) − E (ξ, s)} + 2 2 2 2 3 a +b (a + u ) (u2 − b2 ) (a2 + x2 ) (x2 − b2 ) < x2 dx = 3 (a2 − x2 ) (b2 − x2 ) a2 1 − b2 a E (η, t) − u [u > b > 0] b2 − u2 1 − F (η, t) 2 2 a −u a [a > b ≥ u > 0] 12. b b2 − u2 a2 + u 2 2 0 13. BY (214.04) [b > u > 0] ∞ 10. 2 x2 dx 1 < =√ E (ξ, s) 2 + b2 3 a (a2 + x2 ) (x2 − b2 ) < BY (222.07) 1 =√ {F (γ, r) − E (γ, r)} 2 a + b2 (b2 − x2 ) [b > u ≥ 0] x dx u2 − b 2 1 a < =√ E (ε, s) − 2 2 2 2 u (a + b ) u2 + a2 3 a +b (a2 + x2 ) (x2 − b2 ) u 3 x2 ) 2 8. u ≥ 0] [b ≥ u > 0] b BY (221.11) x dx < u 2 (a2 + 6. u > 0] 2 x2 dx 1 < a E (β, q) − b2 F (β, q) = 2 2 a (a − b ) 3 (x2 + a2 ) (x2 + b2 ) 0 2 1 u a E (α, q) − b2 F (α, q) − 2 2 2 −b ) (a + u ) (b2 + u2 ) [a > b, u 5. 3 a (a2 [a > b, ∞ u = (x2 + a2 ) (x2 + b2 ) 4. x2 dx < 287 < x2 dx (a2 − < 3 x2 ) (b2 − x2 ) x2 dx (a2 − 3 x2 ) = (x2 − b2 ) = BY (212.10) BY (219.04) a 1 E (ζ, t) − F (ζ, t) a2 − b 2 a 1 a (a2 − b2 ) [a > b > u ≥ 0] 3 2 − b2 u a b2 F (κ, q) − a2 E (κ, q) + u a2 − u 2 [a > u > b > 0] BY (220.08) BY (217.06) 288 Power and Algebraic Functions ∞ 14. u u 15. x2 dx < 3 (x2 − a2 ) (x2 − b2 ) < 0 a 16. u u 17. = 3 (a2 − x2 ) (b2 − x2 ) < ∞ 18. u 2 x dx = 3 (x2 − a2 ) (x2 − b2 ) x2 dx < 3 (x2 − a2 ) (x2 − b2 ) a2 1 a u2 − b 2 − E (ν, t) + F (ν, t) u u 2 − a2 a 1 2 a − b2 x2 dx 1 < = 2 a − b2 3 (a2 − x2 ) (x2 − b2 ) a x2 dx a = 2 a − b2 3.161 u [u > a > b > 0] a2 − u 2 − a E (η, t) b2 − u2 [a > b > u > 0] a2 − u 2 a F (λ, q) − a E (λ, q) + u u2 − b 2 a E (μ, t) − b2 1 = 2 a − b2 b2 a E (ν, t) − u ∞ 1. u BY (218.07) [u > a > b > 0] BY (216.01) u 2 − a2 u2 − b 2 2. 3. 4. BY (215.11) a2 b2 − u2 2a2 + b2 1 2 2 2 = 3 4 2 a + b E (β, q) − b F (β, q) + 3a b 3a2 b4 u3 x4 (x2 + a2 ) (x2 + b2 ) dx [a > b, BY (219.12) [a > u > b > 0] [u ≥ a > b > 0] 3.161 BY (215.09) u > 0] BY (222.04) 2 2 dx 1 √ a 2a − b2 F (δ, r) − 2 a4 − b4 E (δ, r) = 4 4 2 2 2 2 2 2 (x + a ) (b − x ) 3a b a + b u a2 b2 + 2u2 a2 − b2 2 + (b − u2 ) (a2 + u2 ) 3a4 b4 u3 [b > u > 0] BY (213.09) √ u a2 + b 2 dx 2b2 − a2 2 a2 − b 2 √ = F (ε, s) + E (ε, s) 4 3 a4 b 4 (x2 + a2 ) (x2 − b2 ) 3a4 b2 a2 + b2 b x 1 + 2 2 3 (u2 + a2 ) (u2 − b2 ) 3a b u [u > b > 0] BY (211.11) ∞ 4 dx 1 √ 2 a − b4 E (ξ, s) + b2 2b2 − a2 F (ξ, s) = 4 4 2 2 4 2 2 2 2 (x + a ) (x − b ) 3a b a +b u x a2 b2 + u2 2a2 − b2 u2 − b 2 − 2 4 3 3a b u u 2 + a2 [u ≥ b > 0] BY (212.06) b x4 3.162 Square roots of polynomials b 5. u 6. 7. ⎧ ⎨ dx 1 2a2 + b2 F (ζ, t) − 2 a2 + b2 E (ζ, t) = 3 4 x4 (a2 − x2 ) (b2 − x2 ) 3a b ⎩ ⎫ 2 2 2 2 2 2 2 2a + b u + a b a b − u ⎬ + u3 a2 − u 2 ⎭ [a > b > u > 0] dx 1 = 3 4 2 a2 + b2 E (κ, q) − b2 F (κ, q) 2 2 2 2 3a b (a − x ) (x − b ) b 1 + 2 2 3 (a2 − u2 ) (u2 − b2 ) 3a b u [a ≥ u > b > 0] ⎧ a dx 1 ⎨ = 3 4 2 a2 + b2 E (λ, q) − b2 F (λ, q) 4 (a2 − x2 ) (x2 − b2 ) 3a b ⎩ u x ⎫ ⎬ 2 a2 + b 2 u 2 + a 2 b 2 2 2 ) (u2 − b2 ) − (a − u ⎭ au3 [a > u ≥ b > 0] u 8. x4 a ⎧ 1 ⎨ 2 2a + b2 F (μ, t) − 2 a2 + b2 E (μ, t) = 3 4 3a b ⎩ ⎫ 2 a + 2b2 u2 + a2 b2 b2 u2 − a2 ⎬ + au3 u2 − b 2 ⎭ ⎧ ∞ dx 1 ⎨ 2 2a + b2 F (ν, t) − 2 a2 + b2 E (ν, t) = 3 4 4 2 2 2 2 ⎩ (x − a ) (x − b ) 3a b u x ⎫ ⎬ ab2 2 + 3 (u − a2 ) (u2 − b2 ) ⎭ u 1. 0 u < BY (217.14) BY (218.12) dx 2 (x − a2 ) (x2 − b2 ) [u ≥ a > b > 0] 3.162 BY (220.09) u x4 9. 289 dx 5 (x2 + a2 ) (x2 + b2 ) = [u > a > b > 0] BY (216.09) BY (215.07) 2 3a − b2 F (α, q) − 2 2a2 − b2 E (α, q) − u a2 4a2 − 3b2 + u2 3a2 − 2b2 < + 3 3a4 (a2 − b2 ) (u2 + a2 ) (u2 + b2 ) [a > b, u > 0] BY (221.06) 1 3a3 (a2 2 b2 ) 290 Power and Algebraic Functions 2. 3. 4. 5. 6. 7. 8. ∞ 3.162 2 dx 1 < 3a − b2 F (β, q) − 2 2a2 − b2 E (β, q) = 2 3 2 2 5 u (x2 + a2 ) (x2 + b2 ) 3a (a − b ) . u2 + b 2 u + 2 2 2 3a (a − b ) (a2 + u2 )3 [a > b, u ≥ 0] BY (222.03) 2 u 2 2 2 a 2a − 4b dx 3b − a < = 2 F (α, q) + 2 E (α, q) 2 2 2 5 3ab (a − b ) . 3b4 (a2 − b2 ) 0 (x2 + a2 ) (x2 + b2 ) u 2 + a2 u + 2 2 2 3b (a − b ) (u2 + b2 )3 [a > b, u > 0] BY (221.05) ∞ 2 2 dx 1 < a − 2b2 E (β, q) + b2 3b2 − a2 F (β, q) = 2 2a 4 2 2 5 3ab (a − b ) u (x2 + a2 ) (x2 + b2 ) u b2 3a2 − 4b2 + u2 2a2 − 3b2 < − 3 3b4 (a2 − b2 ) (u2 + a2 ) (u2 + b2 ) [a > b, u ≥ 0] BY (222.05) u 2 dx 1 < < 2 b + 2a2 E (γ, r) − a2 F (γ, r) = 5 3 0 (a2 + x2 ) (b2 − x2 ) 3a4 (a2 + b2 ) . b2 − u2 u + 2 2 2 3a (a + b ) (a2 + u2 )3 [b ≥ u > 0] BY (214.15) b 2 dx 1 < < 4a + 2b2 E (δ, r) − a2 F (δ, r) = 5 3 u (a2 + x2 ) (b2 − x2 ) 3a4 (a2 + b2 ) . 2 2 u a 5a + 3b2 + u2 4a2 + 2b2 b2 − u2 − 2 3 4 2 2 3a (a + b ) (a2 + u2 ) [b > u > 0] BY (213.08) u dx 1 < < 3a2 + 2b2 F (ε, s) − 4a2 + 2b2 E (ε, s) = 5 3 b (a2 + x3 ) (x2 − b2 ) 3a4 (a2 + b2 ) . 2 3a + b2 u2 + 2 2a2 + b2 a2 u2 − b 2 + 2 3 3a2 (a2 + b2 ) u (u2 + a2 ) [u > b > 0] BY (211.05) ∞ 2 dx 1 < < 3a + 2b2 F (ξ, s) − 4a2 + 2b2 E (ξ, s) = 5 3 u (a2 + x2 ) (x2 − b2 ) 3a4 (a2 + b2 ) . u2 − b 2 u + 2 2 3a (a + b2 ) (a2 + u2 )3 [u > b > 0] BY (212.03) 3.162 Square roots of polynomials 9. u < 0 10. 11. 12. 13. 14. 15. dx (a2 + x2 ) (b2 − = 5 x2 ) < 1 3 b2 ) 291 2a2 + 3b2 F (γ, r) − 2a2 + 4b2 E (γ, r) 3b4 (a2 + u 3a3 + 4b2 b2 − 2a2 + 3b2 u2 < + 3 3b4 (a2 + b2 ) (a2 + u2 ) (b2 − u2 ) [b > u > 0] BY (214.10) ∞ 2 dx 1 < < 2a + 4b2 E (ξ, s) − b2 F (ξ, s) = 5 3 u (a2 + x2 ) (x2 − b2 ) 3b4 (a2 + b2 ) 2 u 3a + 4b2 b2 − 2a2 + 3b2 u2 < + 3 3b4 (a2 + b2 ) (a2 + u2 ) (u2 − b2 ) [u > b > 0] u 2a 2b2 − a2 dx 2a2 − 3b2 < F (η, t) + = 2 E (η, t) 3ab4 (a2 − b2 ) 5 3b4 (a2 − b2 ) 0 (a2 − x2 ) (b2 − x2 ) 2 u 3a − 5b2 b2 − 2 a2 − 2b2 u2 a2 − u 2 + 2 b2 − u2 3b4 (a2 − b2 ) (b2 − u2 ) [a > b > a > 0] a 2a a2 − 2b2 dx 3b2 − a2 < = 2 F (λ, q) + 2 E (λ, q) 5 3ab2 (a2 − b2 ) 3b4 (a2− b2 ) u (a2 − x2 ) (x2 − b2 ) u 2 2b2 − a2 u2 + 3a2 − 5b2 b2 a2 − u 2 + 2 u2 − b 2 3b4 (a2 − b2 ) (u2 − b2 ) [a > u > b > 0] u 2a 2b2 − a2 dx 2a2 − 3b2 < F (μ, t) + = 2 E (μ, t) 3ab4 (a2 − b2 ) 5 3b4 (a2 − b2 ) a (x2 − a2 ) (x2 − b2 ) u 2 − a2 u + 2 2 2 2 2 3b (a − b ) (u − b ) u2 − b2 [u > a > b > 0] 2 ∞ 4b − 2a2 a dx 2a2 − 3b2 < F (ν, t) = E (ν, t) + 2 3ab4 (a2 − b2 ) 5 3b4 (a2 − b2) u (x2 − a2 ) (x2 − b2 ) 3b2 − a2 u2 − 4b2 − 2a2 b2 u2 − a2 − 2 u2 − b 2 3b2 u (a2 − b2 ) (u2 − b2 ) [u ≥ a > b > 0] u dx 1 < 4a2 − 2b2 E (η, t) − a2 − b2 F (η, t) = 2 3 2 − b2 ) 5 0 (a2 − x2 ) (b2 − x2 ) 3a (a 2 u 5a − 3b2 a2 − 4a2 − 2b2 u2 b2 − u2 − a (a2 − u2 ) a2 − u 2 [a > b ≥ u > 0] BY (212.04) BY (219.06) BY (218.04) BY (216.11) BY (215.06) BY (219.07) 292 Power and Algebraic Functions b 16. < u u 17. dx < ∞ 18. u 3.163 u 1. 5 (a2 − x2 ) (b2 − x2 ) b = dx = 5 (a2 − x2 ) (x2 − b2 ) 2 2a2 − b2 1 F (ζ, t) (a2 − b2 ) − b2 − u2 u + 2 2 2 2 2 3a (a − b ) (a − u ) a2 − u2 [a > b > u ≥ 0] 3a3 dx < (x2 + 2. u u 3. 2 3a − b2 F (κ, q) − 4a2 − 2b2 E (κ, q) − 2 2a2 − b2 a2 + b2 − 3a2 u2 u2 − b2 , + 2 a2 − u 2 3a2 u (a2 − b2 ) (a2 − u2 ) [a > u > b > 0] BY (217.10) 3 a2 ) = (x2 + 3 b2 ) ∞ 4. u 1 ab2 dx (a2 a2 − (a2 2 b2 ) − b2 ) a2 + b2 E (α, q) − 2b2 F (α, q) u (a2 + u2 ) (b2 + u2 ) [a > b, u > 0] 3 3 (x2 + a2 ) (b3 − x2 ) 1 < = a2 b 2 + BY (220.10) 2 b2 ) (a2 2 dx 1 < a + b2 E (β, q) − 2b2 F (β, q) = 2 2 2 2 3 3 ab (a − b ) (x2 + a2 ) (x2 + b2 ) u − 2 2 2 b (a − b ) (a2 + u2 ) (b2 + u2 ) [a > b, u ≥ 0] < 0 3a3 1 3a3 − ∞ E (ζ, r) − 2 dx 1 < 4a − 2b2 E (ν, t) − a2 − b2 F (ν, t) = 2 3 2 2 5 (x2 − a2 ) (x2 − b2 ) 3a (a − b ) 4a2 − 2b2 a2 + b2 − 3a2 u2 u2 − b2 + 2 u 2 − a2 3a2 u (a2 − b2 ) (u2 − a2 ) [u > a > b > 0] BY (215.04) 0 2 b2 ) (a2 3.163 b2 (a2 + b2 ) (a2 + b2 ) 3 BY (221.07) BY (222.12) 2 a F (γ, r) − a2 − b2 E (γ, r) u (a2 + u2 ) (b2 − u2 ) [b > u > 0] dx b 2 − a2 1 < < = E (ξ, s) − < F (ξ, s) 3 3 3 3 (x2 + a2 ) (x2 − b2 ) a2 b2 (a2 + b2 ) a2 (a2 + b2 ) u + 2 2 2 b (a + b ) (u2 + a2 ) (u2 − b2 ) [u > b > 0] BY (214.15) BY (212.05) 3.165 Square roots of polynomials u 5. < 0 ∞ 6. u dx = 3 3 (a2 − x2 ) (b2 − x2 ) 293 a2 + b 2 1 F (η, t) − 2 E (η, t) ab2 (a2 − b2 ) ab2(a2− b2 ) 4 a + b 4 − a2 + b 2 u 2 u + 2 a2 b2 (a2 − b2 ) (a2 − u2 ) (b2 − u2 ) [a > b > u > 0] 2 BY (279.08) 2 a +b dx 1 < F (ν, t) − = 2 2 2 E (ν, t) 2 2 ab (a − b ) 3 3 ab (a2 − b2 ) (x2 − a2 ) (x2 − b2 ) 1 + u (a2 − b2 ) (u2 − a2 ) (u2 − b2 ) [u > a > b > 0] BY (215.10) . 2 1 u2 − ρρ (ρ − ρ) , r= . 3.164 Notation: α = arccos 2 − u + ρρ 2 ρρ ∞ dx 1 = √ F (α, r) BY (225.00) 1. ρρ (x2 + ρ2 ) (x2 + ρ2 ) u ∞ 2u (u2 + ρ2 ) (u2 + ρ2 ) 1 x2 dx = − E (α, r) 2. 2 2 2√ 2 2 2 2 2 4 2 2 (x + ρ ) (x + ρ ) (ρ + ρ) (u − ρ ρ ) (ρ + ρ) ρρ u (x − ρρ) BY (225.03) ∞ 3. u ∞ 4. u (x2 + ρρ) 2 2 x dx (x2 + ρ2 ) (x2 x2 dx + ρ2 ) =− √ 4 ρρ 1 (ρ − ρ) 2 √ [F (α, r) − E (α, r)] ρρ BY (225.07) 1 < F (α, r) =− 2 E (α, r) + 2√ 2 2 3 3 (ρ − ρ ) (x2 + ρ2 ) (x2 + ρ2 ) 2 (ρ − ρ) ρρ 2u u − ρρ − 2 2 (ρ + ρ) (u + ρρ) (u2 + ρ2 ) (u2 + ρ2 ) BY (225.05) ∞ 5. u 6. 7. 8. 2 x2 − ρρ dx √ 4 ρρ < =− 2 [F (α, r) − E (α, r)] 3 3 (ρ − ρ) (x2 + ρ2 ) (x2 + ρ2 ) 2u u2 − ρρ + (u2 + ρρ) (u2 + ρ2 ) (u2 + ρ2 ) ∞ (x2 + ρ2 ) (x2 + ρ2 ) 1 dx = √ E (α, r) ρρ + ρρ) u √ ∞ 2 2 x2 − dx 4 ( + ) = − F (α, r) E (α, r) + √ 2 2 2 2 (x2 + 2 ) (x2 + 2 ) ( − ) ( − ) u (x + ) 2 2 ∞ x + dx 1 + , = √ Π α, p2 , r 2 u (x2 + ) − 4p2 x2 (x2 + 2 ) (x2 + 2 ) (x2 2 BY (225.06) BY(225.01) BY (225.08) BY (225.02) 294 Power and Algebraic Functions 3.165 √ a2 − b 2 u 2 − a2 √ . 3.165 Notation: α = arccos 2 , r= 2 u +a a 2 √ a dx 2 √ √ 1. = √ 4 2 2 4 x + 2b x + a a 2⎡+ a2 + b2 u ⎤ < √ √ 2 − b2 ) 2 2 2 a 2 (a a 2+ a −b a−u ⎦ √ √ , √ × F ⎣arctan a+u a2 + b 2 a 2 + a2 − b 2 [a > b, ∞ 2. u dx 1 √ F (α, r) = 2a x4 + 2b2 x2 + a4 a > u ≥ 0] a2 > b2 > −∞, BY (264.00) a2 > 0, u≥0 BY (263.00, 266.00) √ ∞ dx u4 + 2b2 u2 + a4 1 √ = 3 [F (α, r) − 2 E (α, r)] + 2 x4 + 2b2 x2 + a4 2a a2 u (u2 + a2 ) u x [a > b > 0, u > 0] ∞ x2 dx 1 [F (α, r) − E (α, r)] = √ 2 2 2 2 4a (a − b2 ) x4 + 2b2 x2 + a4 u (x + a ) 2 a > b2 > −∞, a2 > 0, 3. 4. BY (263.06) u≥0 BY (263.03, 266.05) √ ∞ 1 x2 dx u u4 + 2b2 u2 + a4 − E (α, r) = 2√ 4 2 + b2 ) (u4 − a4 ) 2 + b2 ) 2 2 2 2 4 2 (a 4a (a x + 2b x + a u (x − a ) 2 a > b2 > −∞, u2 > a2 > 0 5. BY (263.05, 266.02) ∞ 6. u 7. 8. 9. ∞ 2 x dx 1 a < E (α, r) − F (α, r) = 4 4 2 2 (a − b ) − b2 ) 3 2 4a (a (x4 + 2b2 x2 + a4 ) u u − a2 √ − 2 (a2 + b2 ) (u2 + a2 ) u4 + 2b2 u2 + a4 a2 > b2 > −∞, a2 > 0, u ≥ 0 BY (263.08, 266.03) 2 2 x − a2 dx u a u 2 − a2 < √ = 2 [F (α, r) − E (α, r)] + 2 2 2 4 + 2b2 u2 + a4 a − b u + a 3 u u (x4 + 2b2 x2 + a4 ) ! 2 ! !b ! < a2 , u ≥ 0 BY (266.08) 2 ∞ 2 x + a2 dx a a2 − b 2 u 2 − a2 u < = 2 E (α, r) − · 2 ·√ 2 2 2 2 4 a +b a +b u +a 3 u + 2b2 u2 + a4 u (x2 + 2b2 x2 + a4 ) ! 2 ! !b ! < a2 , u ≥ 0 BY (266.06)a 2 ∞ 2 x − a2 dx a a2 + b 2 F (α, r) = 2 E (α, r) − √ 2 2 2 2 a −b 2a (a2 − b2 ) x4 + 2b2 x2 + a4 u (x + a ) 2 a > b2 > −∞, a2 > 0, u ≥ 0 BY (263.04, 266.07) 3.166 Square roots of polynomials ∞ 10. √ x4 + 2b2 x2 + a4 (x2 u 11. + 2 a2 ) √ ∞ x4 + 2b2 x2 + a4 (x2 − u 2 a2 ) dx = 1 E (α, r) 2a 295 a2 > b2 > −∞, a2 > 0, u≥0 BY (263.01, 266.01) dx = u 4 1 [F (α, r) − E (α, r)] + 4 u + 2b2 u2 + a4 2a u − a4 [a > b > 0, 2 ∞ x2 + a2 dx 1 + ,√ Π α, p2 , r = 2 2a u (x2 + a2 ) − 4a2 p2 x2 x4 + 2b2 x2 + a4 u > a] BY (263) [a > b > 0, u ≥ 0] BY (263.02) 12. 3.166 Notation: α = arccos u2 − 1 , u2 + 1 β = arctan 1+ √ 2 1−u , 1+u 1 − u2 1 , γ = arccos u, δ = arccos , ε = arccos u 1 + u2 √ < √ √ √ 2 4 , q =2 3 2−4=2 2 2 − 1 ≈ 0.985171 r= 2 ∞ 1. u ∞ 2. u dx 1 √ = F (α, r) 4 2 x +1 [u ≥ 0] H (287), BY (263.50) √ dx u4 + 1 1 √ = [F (α, r) − 2 E (α, r)] + 2 u (u2 + 1) x2 x4 + 1 [u > 0] ∞ u u2 − 1 x2 dx 1 1 √ √ = E (α, r) − F (α, r) − 4 4 2 4 2 (u2 + 1) u4 + 1 u (x + 1) x + 1 BY (263.57) 3. 4. 5. 6. 7. 8. ∞ 2 1 x dx = [F (α, r) − E (α, r)] 2√ 4 4 + 1) x + 1 u √ ∞ u u4 + 1 1 x2 dx = − E (α, r) 2√ 4 2 2 (u4 − 1) 4 x +1 u (x − 1) √ ∞√ 4 u u4 + 1 x +1 1 2 dx = 2 [F (α, r) − E (α, r)] + u4 − 1 2 u (x − 1) (x2 2 ∞ 2 x − 1 dx 1 = E (α, r) − F (α, r) 2√ 4 2 2 x +1 u (x + 1) ∞√ 4 x + 1 dx 1 = E (α, r) 2 2 (x2 + 1) u [u ≥ 0] BY (263.59) [u ≥ 0] BY (263.53) [u > 1] BY (263.55) [u > 1] BY (263.58) [u ≥ 0] BY (263.54) [u ≥ 0] BY (263.51) 296 Power and Algebraic Functions ∞ 9. u 10. 11. 12. 13. 1 14. u 1 15. u 17. 18.8 19. 20. 21.3 22. H 66(288) BY (264.50) [0 ≤ u < 1] BY (264.51) [0 ≤ u < 1] √ √ (1 + x)2 dx 3 2−4 3 2+4 √ √ E (β, q) − F (β, q) = 2 4 2 2 x −x 2+1 x +1 BY (264.55) [0 ≤ u < 1] BY (264.56) dx 1 √ = √ F (γ, r) 2 1 − x4 [u < 1] H 66 (290), BY (259.75) [u > 1] H 66 (289), BY (260.75) 1 [u < 1] [u = 0] BY (259.76) √ x dx 1 4 1 √ u −1 [u > 1] = √ F (δ, r) − 2 E (δ, r) + 4 u 2 x −1 1 1 4 x dx u 1 √ = √ F (γ, r) + 1 − u4 [u < 1] 3 3 2 1 − x4 u u 4 x dx 1 1 √ [u > 1] = √ F (δ, r) + u u4 − 1 3 3 2 x4 − 1 1 √ √ u 1+ 1− 3 u dx 2+ 3 1 √ , F arccos = √ 4 2 3 1+ 1+ 3 u x (1 + x3 ) 0 23. 0 BY (263.52) [0 ≤ u < 1] 2 dx 1 1 √ = √ Γ 4 4 2π 1 − x4 0 u dx 1 √ = √ F (δ, r) 2 x4 − 1 1 1 2 √ x dx 1 √ = 2 E (γ, r) − √ F (γ, r) 4 1−x u 22 1 3 =√ Γ 4 2π [u ≥ 0] u dx 1 √ = F (ε, r) 4 2 x +1 0 1 √ dx √ = 2 − 2 F (β, q) 4 x +1 u √ 1 2 √ x + x 2 + 1 dx √ √ = 2 + 2 E (β, q) 2 4 x +1 u x −x 2+1 1 2 (1 − x) dx 1 √ √ = √ [F (β, q) − E (β, q)] 2 4 2 x +1 u x −x 2+1 16. 2 2 x + 1 dx 1 + ,√ = Π α, p2 , r 2 2 2 2 2 4 (x + 1) − 4p x x +1 3.166 u u 2 dx x (1 − x3 ) 1 = √ F 4 3 [u > 0] √ √ 1− 1+ 3 u 2− 3 √ , arccos 2 1+ 3−1 u [1 ≥ u > 0] BY (260.77) BY (259.76) BY (260.77) BY (260.50) BY (259.50) 3.167 Square roots of polynomials . 3.167 Notation: In 3.167 and 3.168 we set: . β = arcsin . δ = arcsin α = arcsin 297 (a − c)(d − u) , (a − d)(c − u) . (a − c)(u − d) , (c − d)(a − u) γ = arcsin (b − d)(u − c) , (b − c)(u − d) κ = arcsin . (b − d)(c − u) , (c − d)(b − u) (a − c)(b − u) , (b − c)(a − u) . (a − c)(u − b) (b − d)(a − u) , μ = arcsin , λ = arcsin (a − b)(u − c) (a − b)(u − d) . . . (b − d)(u − a) (b − c)(a − d) (a − b)(c − d) ν = arcsin , q= , r= . (a − d)(u − b) (a − c)(b − d) (a − c)(b − d) . d. 2(c − d) d−x dx = (a − x)(b − x)(c − x) (a − c)(b − d) 1. u u. 2. d u u. 4. c u b a. 7. u BY (251.05) d−c , r − F (β, r) Π β, a−c (c − b) Π γ, BY (252.14) c−d , r + (b − d) F (γ, r) b−d [a > b > c > u ≥ d] BY (253.14) 2(c − d) x−d b−c dx = ,q Π δ, (a − x)(b − x)(x − c) b −d (a − c)(b − d) [a > b ≥ u > c > d] 2 x−d dx = (a − x)(b − x)(x − c) (a − c)(b − d) u. 6. 2(d − a) x−d dx = (a − x)(b − x)(c − x) (a − c)(b − d) 2 x−d dx = (a − x)(b − x)(c − x) (a − c)(b − d) 3. 5. [a > b > c > d > u] [a > b > c ≥ u > d] c. b. a−d , q − F (α, q) Π α, a−c b−c , q + (a − d) F (κ, q) (b − a) Π κ, a−c [a > b > u ≥ c > d] 2 x−d dx = (a − x)(x − b)(x − c) (a − c)(b − d) BY (254.02) (b − c) Π λ, BY (255.20) a−b , r + (c − d) F (λ, r) a−c [a ≥ u > b > c > d] BY (256.13) x−d 2(a − d) b−a dx = ,r Π μ, (a − x)(x − b)(x − c) b−d (a − c)(b − d) [a > u ≥ b > c > d] BY (257.02) 298 Power and Algebraic Functions u. 8. a u u 10. d c 11. u u 12. c u 14. b a 15. u u 16. a d. 17. u u. d [a > b > c > d > u] BY (251.02) 2 c−x d−c dx = , r − (a − c) F (β, r) (a − d) Π β, (a − x)(b − x)(x − d) a−c (a − c)(b − d) [a > b > c ≥ u > d] 2(b − c) c−x c−d dx = , r − F (γ, r) Π γ, (a − x)(b − x)(x − d) b−d (a − c)(b − d) BY (252.13) [a > b > c > u ≥ d] 2(c − d) x−c b−c dx = , q − F (δ, q) Π δ, (a − x)(b − x)(x − d) b−d (a − c)(b − d) BY (253.13) [a > b ≥ u > c > d] BY (254.12) 2 x−c b−c dx = , q + (a − c) F (κ, q) (b − a) Π κ, (a − x)(b − x)(x − d) a−c (a − c)(b − d) u 18. BY (258.14) 2(c − d) c−x a−d dx = ,q Π α, (a − x)(b − x)(d − x) a−c (a − c)(b − d) 9. 13. a−d , q + (b − d) F (ν, q) (a − b) Π ν, b−d [u > a > b > c > d] d b 2 x−d dx = (x − a)(x − b)(x − c) (a − c)(b − d) 3.167 [a > b > u ≥ c > d] BY (259.19) 2(b − c) x−c a−b dx = ,r Π λ, (a − x)(x − b)(x − d) a−c (a − c)(b − d) [a ≥ u > b > c > d] BY (256.02) 2 x−c b−a dx = , r + (d − c) F (μ, r) (a − d) Π μ, (a − x)(x − b)(x − d) b−d (a − c)(b − d) [a > u ≥ b > c > d] BY (257.13) 2 x−c a−d dx = , q + (b − c) F (ν, q) (a − b) Π ν, (x − a)(x − b)(x − d) b−d (a − c)(b − d) [u > a > b > c > d] BY (258.13) 2 b−x a−d dx = , q + (b − c) F (α, q) (c − d) Π α, (a − x)(c − x)(d − x) a−c (a − c)(b − d) [a > b > c > d > u] BY (251.07) 2 b−x d−c dx = , r − (a − b) F (β, r) (a − d) Π β, (a − x)(c − x)(x − d) a−c (a − c)(b − d) [a > b > c ≥ u > d] BY (252.15) 3.167 Square roots of polynomials c. 2(b − c) b−x c−d dx = ,r Π γ, (a − x)(c − x)(x − d) b−d (a − c)(b − d) 19. u u. 20. c b. 21. u b 23.8 u u. 24. a 25. u u 26. d [a > b > u ≥ c > d] 2(b − c) x−b a−b dx = , r − F (λ, r) Π λ, (a − x)(x − c)(x − d) a−c (a − c)(b − d) BY (255.21) [a > u ≥ b > c > d] BY (257.15) 2(a − b) x−b a−d dx = ,q Π ν, (x − a)(x − c)(x − d) b−d (a − c)(b − d) [a > b > c > d > u] BY (251.06) 2(a − d) a−x d−c dx = ,r Π β, (b − x)(c − x)(x − d) a−c (a − c)(b − d) [a > b > c ≥ u > d] BY (252.02) 2 a−x c−d dx = , r + (a − b) F (γ, r) (b − c) Π γ, (b − x)(c − x)(x − d) b−d (a − c)(b − d) c 27. u u u BY (254.14) [u > a > b > c > d] BY (258.02) 2 a−x a−d dx = , q + (a − c) F (α, q) (c − d) Π α, (b − x)(c − x)(d − x) a−c (a − c)(b − d) d 29. 2 b−x b−c dx = , q + (b − d) F (δ, q) (d − c) Π δ, (a − x)(x − c)(x − d) b−d (a − c)(b − d) [a ≥ u > b > c > d] BY (256.15) 2 x−b b−a dx = , r − (b − d) F (μ, r) (a − d) Π μ, (a − x)(x − c)(x − d) b−d (a − c)(b − d) a. b BY (253.02) b−x 2(a − b) b−c dx = , q − F (κ, q) Π κ, (a − x)(x − c)(x − d) a−c (a − c)(b − d) 22. c [a > b > c > u ≥ d] [a > b ≥ u > c > d] u. 28. 299 [a > b > c > u ≥ d] BY (253.15) a−x 2 b−c dx = , q + (a − d) F (δ, q) (d − c) Π δ, (b − x)(x − c)(x − d) b−d (a − c)(b − d) [a > b ≥ u > c > d] BY (254.13) 2(a − b) a−x b−c dx = ,q Π κ, (b − x)(x − c)(x − d) a−c (a − c)(b − d) [a > b > u ≥ c > d] BY (255.02) 300 Power and Algebraic Functions u 30. b a 31. u u 32. a 3.168 a−x 2 a−b dx = , r + (a − c) F (λ, r) (c − b) Π λ, (x − b)(x − c)(x − d) a−c (a − c)(b − d) [a ≥ u > b > c > d] 2(d − a) a−x b−a dx = , r − F (μ, r) Π μ, (x − b)(x − c)(x − d) b−d (a − c)(b − d) BY (256.14) [a > u ≥ b > c > d] 2(a − b) x−a a−d dx = , q − F (ν, q) Π ν, (x − b)(x − c)(x − d) b−d (a − c)(b − d) BY (257.14) [u > a > b > c > d] 3.168 c 1. u u 2. c b 3. 4. % c−x 2 dx = (a − x)(b − x)(x − d)3 d−a x−c 2 dx = 3 (a − x)(b − x)(x − d) a−d x−c 2 dx = (a − x)(b − x)(x − d)3 a−d a−c E (γ, r) − b−d . BY (258.15) (a − u)(c − u) (b − u)(u − d) & [a > b > c > u > d] BY (253.06) a−c [F (δ, q) − E (δ, q)] b−d [a > b ≥ u > c > d] . BY (254.04) 2 a−c (b − u)(u − c) [F (κ, q) − E (κ, q)] + b − d b − d (a − u)(u − d) u BY (255.09) [a > b > u ≥ c > d] . % & u c − d (a − u)(u − b) x−c a−c 2 E (λ, r) − dx = 3 (a − x)(x − b)(x − d) a − d b − d b − d (u − c)(u − d) b a 5. u u 6. a c. 7. u [a ≥ u > b > c > d] BY (256.06) [a > u ≥ b > c > d] BY (257.01) x−c a−c 2 [F (ν, q) − E (ν, q)] dx = (x − a)(x − b)(x − d)3 a−d . b−d 2 (u − a)(u − c) + a − d (u − b)(u − d) [u > a > b > c > d] BY (258.10) x−c 2 dx = 3 (a − x)(x − b)(x − d) a−d a−c E (μ, r) b−d b−x 2 dx = 3 (a − x)(c − x)(x − d) (a − d)(c − d) (a − c)(b − d) × [(b − c)(a − d) F (γ, r) − (a − c)(b − d) E (γ, r)] . (a − u)(c − u) 2(b − d) + (a − d)(c − d) (b − u)(u − d) [a > b > c > u > d] BY (253.03) 3.168 Square roots of polynomials u. 8. c 301 b−x 2 dx = (a − x)(x − c)(x − d)3 (a − d)(c − d) (a − c)(b − d) × [(a − c)(b − d) E (δ, q) − (a − b)(c − d) F (δ, q)] b. 9. u [a > b ≥ u > c > d] b−x 2 dx = 3 (a − x)(x − c)(x − d) (a − d)(c − d) (a − c)(b − d) u. 10. b 11. 12. 13. 14. BY (254.15) × [(a − c)(b − d) E (κ, q) − (a − b)(c − d) F (κ, q)] . (b − u)(u − c) 2 − c − d (a − u)(u − d) [a > b > u ≥ c > d] BY (255.06) x−b 2 dx = (a − x)(x − c)(x − d)3 (a − d)(c − d) (a − c)(b − d) × [(a − c)(b − d) E (λ, r) − (a − d)(b − c) F (λ, r)] . (a − u)(u − b) 2 − a − d (u − c)(u − d) BY (256.03) [a ≥ u > b > c > d] a. (a − c)(b − d) x−b E (μ, r) dx = 2 3 (a − x)(x − c)(x − d) (a − d)(c − d) u 2(b − c) − F (μ, r) (c − d) (a − c)(b − d) [a > u ≥ b > c > d] BY (257.09) u. x−b dx (x − a)(x − c)(x − d)3 a . 2(b − d) 2(a − b) (u − a)(u − c) = + F (ν, q) (a − d)(c − d) (u − b)(u − d) (a − d) (a − c)(b − d) (a − c)(b − d) E (ν, q) +2 (a − d)(c − d) [u > a > b > c > d] BY (258.09) . c 2 a−x a−c (a − u)(c − u) 2 [F (γ, r) − E (γ, r)] + dx = 3 (b − x)(c − x)(x − d) c − d b − d c − d (b − u)(u − d) u [a > b > c > u > d] BY (253.04) u a−x a−c 2 E (δ, q) dx = (b − x)(x − c)(x − d)3 c−d b−d c [a > b ≥ u > c > d] BY (254.01) 302 Power and Algebraic Functions b 15. u a−x 2 dx = 3 (b − x)(x − c)(x − d) c−d u 16. b a 17. u 18. a−x 2 dx = 3 (x − b)(x − c)(x − d) c−d a−x 2 dx = (x − b)(x − c)(x − d)3 c−d a−c 2(a − d) E (κ, q) − b−d (b − d)(c − d) 3.168 . (b − u)(u − c) (a − u)(u − d) BY (255.08) [a > b > u ≥ c > d] . a−c (a − u)(u − b) 2 [F (λ, r) − E (λ, r)] + b−d b − d (u − c)(u − d) BY (256.05) [a ≥ u > b > c > d] a−c [F (μ, r) − E (μ, r)] b−d [a > u ≥ b > c > d] . u 2 x−a a−c (u − a)(u − c) −2 E (ν, q) + dx = 3 (x − b)(x − c)(x − d) c − d b − d c − d (u − b)(u − d) a d. 19. u u. 20. d [u > a > b > c > d] d−x 2 dx = (a − x)(b − x)(c − x)3 b−c x−d −2 dx = 3 (a − x)(b − x)(c − x) b−c BY (257.06) BY (258.05) b−d [F (α, q) − E (α, q)] a−c [a > b > c > d > u] . 2 b−d (b − u)(u − d) E (β, r) + a−c b − c (a − u)(c − u) BY (251.01) BY (252.06) [a > b > c ≥ u > d] . 2 x−d b−d (b − u)(u − d) 2 [F (κ, q) − E (κ, q)] + dx = 3 (a − x)(b − x)(x − c) b − c a − c b − c (a − u)(u − c) u BY (255.05) [a > b > u > c > d] u. x−d b−d 2 E (λ, r) dx = 3 (a − x)(x − b)(x − c) b − c a −c b b. 21. 22. a. 23. u x−d 2 dx = 3 (a − x)(x − b)(x − c) b−c [a ≥ u > b > c > d] BY (256.01) . 2(c − d) b−d (a − u)(u − b) E (μ, r) − a−c (a − c)(b − c) (u − c)(u − d) BY (257.06) [a > u ≥ b > c > d] . 2 x−d b−d (u − a)(u − d) 2 [F (ν, q) − E (ν, q)] + dx = 3 (x − a)(x − b)(x − c) b − c a − c a − c (u − b)(u − c) a BY (258.06) [u > a > b > c > d] a. 2 b−x b−d dx = E (α, q) 3 (d − x) (a − x)(c − x) c − d a −c u u. 24. 25. [a > b > c > d > u] BY (251.01) 3.168 Square roots of polynomials . b−d (b − u)(u − d) 2 [F (β, r) − E (β, r)] + a−c c − d (a − u)(c − u) d BY (252.03) [a > b > c > u > d] . . b 2 2 b−x b−d (b − u)(u − d) dx = E (κ, q) + 3 (a − x)(x − c) (x − d) d−c a−c c − d (a − u)(u − c) u u. 26. 27. u. 28. b 30. 32. 33. 34. 35. [a > b > u > c > d] 2 x−b dx = 3 (a − x)(x − c) (x − d) c−d BY (255.03) b−d [F (λ, r) − E (λ, r)] a−c BY (258.03) [u > a > b > c > d] 2 (a − c)(b − d) a−b 2 a−x dx = E (α, q) − F (α, q) 3 (b − x)(c − x) (d − x) (b − c)(c − d) b − c (a − c)(b − d) u [a > b > c > d > u] BY (251.08) u (a − c)(b − d) 2(a − d) a−x dx = E (β, r) F (β, r) − 2 3 (x − d) (b − x)(c − x) (b − c)(c − d) (c − d) (a − c)(b − d) d . a−c (b − u)(u − d) +2 (b − c)(c − d) (a − u)(c − u) BY (252.04) [a > b > c > u > d] . b 2(a − b) a−x (a − c)(b − d) dx = E (κ, q) F (κ, q) − 2 (b − x)(x − c)3 (x − d) (b − c)(c − d) (b − c) (a − c)(b − c) u . 2(a − c) (b − u)(u − d) + (b − c)(c − d) (a − u)(u − c) BY (255.04) [a > b > u > c > d] u 2 (a − c)(b − d) 2(a − d) a−x dx = E (λ, r) − F (λ, r) 3 (x − d) (x − b)(x − c) (b − c)(c − d) (c − d) (a − c)(b − d) b [a ≥ u > b > c > d] BY (256.09) a 2 (a − c)(b − d) 2(a − d) a−x dx = E (μ, r) − F (μ, r) 3 (x − b)(x − c) (x − d) (b − c)(c − d) (c − d) (a − c)(b − d) u . 2 (a − u)(u − b) − b − c (u − c)(u − d) BY (257.04) [a > u ≥ b > c > d] d 31. b−x 2 dx = 3 (a − x)(c − x) (x − d) c−d [a ≥ u > b > c > d] BY (256.08) . 2 2 x−b b−d (a − u)(u − b) dx = [F (μ, r) − E (μ, r)] + 3 (a − x)(x − c) (x − d) c−d a−c a − c (u − c)(u − d) u BY (257.03) [a > u ≥ b > c > d] . . u 2 2(b − c) x−b b−d (u − a)(u − d) dx = E (ν, q) − 3 (x − d) (x − a)(x − c) c − d a − c (a − c)(c − d) (u − b)(u − c) a a. 29. 303 304 Power and Algebraic Functions 2 (a − c)(b − d) x−a 2(a − b) dx = E (ν, q) − F (ν, q) (x − b)(x − c)3 (x − d) (b − c)(c − d) (a − c)(b − d) (b − c) a . 2 (u − a)(u − d) − c − d (u − b)(u − c) BY (258.04) [u > a > b > c > d] . d 2 (a − c)(b − d) 2(c − d) d−x dx = E (α, q) − F (α, q) 3 (a − x)(b − x) (c − x) (a − b)(b − c) (b − c) (a − c)(b − d) u . 2 (a − u)(d − u) − a − b (b − u)(c − u) BY (251.11) [a > b > c > d > u] . u 2 (a − c)(b − d) 2(a − d) x−d dx = E (β, r) − F (β, r) 3 (a − x)(b − x) (c − x) (a − b)(b − c) (a − b) (a − c)(b − d) d . 2 (c − u)(u − d) + b − c (a − u)(b − u) BY (252.07) [a > b > c ≥ u > d] . c 2 (a − c)(b − d) 2(a − d) x−d dx = E (γ, r) − F (γ, r) 3 (a − x)(b − x) (c − x) (a − b)(b − c) (a − b) (a − c)(b − d) u BY (253.07) [a > b > c > u ≥ d] . u 2 (a − c)(b − d) 2(c − d) x−d dx = E (δ, q) F (δ, q) − (a − x)(b − x)3 (x − c) (a − b)(b − c) (b − c) (a − c)(b − d) c . 2(b − d) (a − u)(u − c) + (a − b)(b − c) (b − u)(u − d) BY (254.05) [a > b > u > c > d] . a 2 (a − c)(b − d) 2(a − d) x−d dx = E (μ, r) F (μ, r) − (a − x)(x − b)3 (x − c) (a − b)(b − c) (a − b) (a − c)(b − d) u . 2(b − d) (a − u)(u − c) + (a − b)(b − c) (u − b)(u − d) [a > u > b > c > d] BY (257.07) . u 2 (a − c)(b − d) 2(c − d) x−d dx = E (ν, q) − F (ν, q) 3 (x − c) (x − a)(x − b) (a − b)(b − c) (b − c) (a − c)(b − d) a BY (258.07) [u > a > b > c > d] . d c−x a−c (a − u)(d − u) 2 2(b − c) dx = E (α, q) − 3 (d − x) (a − x)(b − x) a − b b − d (a − b)(b − d) (b − u)(c − u) u [a > b > c > d > u] u 36. 37. 38. 39. 40. 41. 42. 43. 3.168 3.168 Square roots of polynomials u 44. d c 45. u u 46. c 47. 48. 49. 50. x−c 2 dx = 3 (a − x)(b − x) (x − d) b−a a−c [F (γ, r) − E (γ, r)] b−d [a > b > c > u ≥ d] . a−c (a − u)(u − c) 2 E (δ, q) + b−d a − b (b − u)(u − d) BY (254.08) [u > a > b > c > d] BY (258.01) . 2 2 a−x a−c (a − u)(d − u) dx = [F (α, q) − E (α, q)] + 3 (c − x)(d − x) (b − x) b − c b − d b − d (b − u)(c − u) u BY (251.12) [a > b > c > d > u] . u 2 2(a − b) a−x a−c (u − d)(c − u) dx = E (β, r) − 3 (b − x) (c − x)(x − d) b−c b−d (b − c)(b − d) (a − u)(b − u) d d c u 53. c−x 2 dx = (a − x)(b − x)3 (x − d) a−b BY (254.08) [a > b ≥ u > c > d] . a 2 2 x−c a−c (a − u)(u − c) dx = [F (μ, r) − E (μ, r)] + 3 (x − d) (a − x)(x − b) a − b b − d a − b (u − b)(u − d) u BY (257.10) [a > u ≥ b > c > d] u 2 x−c a−c dx = E (ν, q) 3 (x − a)(x − b) (x − d) a−b b−d a 51. 52. . a−c (c − u)(u − d) 2 [F (β, r) − E (β, r)] + b−d b − d (a − u)(b − u) BY (252.10) [a > b > c ≥ u > d] c−x 2 dx = 3 (a − x)(b − x) (x − d) a−b 305 2 a−x dx = (b − x)3 (c − x)(x − d) b−c [a > b > c ≥ u > d] BY (252.09) a−c E (γ, r) b−d [a > b > c > u ≥ d] BY (253.01) . u 2 2 a−x a−c (a − u)(u − c) dx = [F (δ, q) − E (δ, q)] + 3 (x − c)(x − d) (b − x) b − c b − d b − c (b − u)(u − d) c BY (254.06) [a > b > u > c > d] . a 2 2 a−x a−c (a − u)(u − c) dx = E (μ, r) + 3 (x − c)(x − d) (x − b) c − b b − d b − c (u − b)(u − d) u u 54. a 2 x−a dx = (x − b)3 (x − c)(x − d) b−c [a > u > b > c > d] BY (257.08) a−c [F (ν, q) − E (ν, q)] b−d [u > a > b > c > d] BY (258.08) 306 Power and Algebraic Functions d. 55. u d−x 2 dx = 3 (a − x) (b − x)(c − x) b−a d 58. 59. 61. 62. 63. 64. (b − u)(d − u) (a − u)(c − u) (a − 2 x−d dx = − x)(c − x) a−b x)3 (b BY (251.09) b−d [F (β, q) − E (β, q)] a−c [a > b > u ≥ c > d] BY (255.01) . x−d b−d (u − b)(u − d) 2 2 dx = [F (λ, r) − E (λ, r)] + 3 (x − b)(x − c) (a − x) a − b a − c a − b (a − u)(u − c) b BY (256.10) [a > u > b > c > d] d 2 (a − c)(b − d) c−x 2(c − d) dx = E (α, q) F (α, q) − 3 (a − x) (b − x)(d − x) (a − b)(a − d) (a − d) (a − c)(b u . − d) 2(a − c) (b − u)(d − u) + (a − b)(a − d) (a − u)(c − u) [a > b > c > d > u] BY (251.15) u 2 (a − c)(b − d) 2(b − c) c−x dx = E (β, r) − F (β, r) 3 (b − x)(x − d) (a − x) (a − b)(a − d) (a − b) (a − c)(b − d) d [a > b > c ≥ u > d] BY (252.08) c 2 (a − c)(b − d) c−x 2(b − c) dx = E (γ, r) − F (γ, r) 3 (b − x)(x − d) (a − x) (a − b)(a − d) (a − b) (a − c)(b − d) u . 2 (c − u)(u − d) − a − d (a − u)(b − u) BY (253.10) [a > b > c > u ≥ d] u 2 (a − c)(b − d) 2(c − d) x−c dx = E (δ, q) − F (δ, q) 3 (a − x) (b − x)(x − d) (a − b)(a − d) (a − d) (a − c)(b − d) c . 2 (b − u)(u − c) − a − b (a − u)(u − d) BY (254.09) [a > b ≥ u > c > d] u. 60. . [a > b > c ≥ u > d] BY (252.05) . x−d b−d (c − u)(u − d) 2 2 dx = [F (γ, r) − E (γ, r)] + 3 (a − x) (b − x)(c − x) a−b a−c a − c (a − u)(b − u) u BY (253.05) [a > b > c > u ≥ d] . . u 2 2(a − d) x−d b−d (b − u)(u − c) dx = E (δ, q) − 3 (a − x) (b − x)(x − c) a−b a−c (a − b)(a − c) (a − u)(u − d) c BY (254.03) [a > b ≥ u > c > d] . b 2 x−d b−d dx = E (κ, q) 3 (b − x)(x − c) (a − x) a − b a −c u c. 57. b−d 2 E (α, q) + a−c a−b [a > b > c > d > u] u. 56. 3.168 3.169 Square roots of polynomials 307 2 (a − c)(b − d) x−c 2(c − d) dx = E (κ, q) − F (κ, q) (a − x)3 (b − x)(x − d) (a − b)(a − d) (a − d) (a − c)(b − d) u [a > b > u ≥ c > d] BY (255.10) u 2 (a − c)(b − d) x−c 2(b − c) dx = E (λ, r) F (λ, r) − 3 (x − b)(x − d) (a − x) (a − b)(a − d) (a − b) (a − c)(b b . − d) 2(a − c) (u − b)(u − d) + (a − b)(a − d) (a − u)(u − c) BY (256.07) [a > u > b > c > d] . d. 2 2 b−x b−d (b − u)(d − u) dx = [F (α, q) − E (α, q)] + 3 (c − x)(d − x) (a − x) a − d a − c a − d (a − u)(c − u) u BY (251.13) [a > b > c > d > u] u. 2 b−x b−d dx = E (β, r) 3 (c − x)(x − d) (a − x) a − d a −c d b 65. 66. 67. 68. c. 2 b−x dx = (a − x)3 (c − x)(x − d) a−d 69. u u. 70. c b. 71. u u. 72. b (a − x−b −2 dx = − c)(x − d) a−d x)3 (x [a > b > c > u ≥ d] BY (253.08) . 2 b−d (b − u)(u − c) [F (δ, q) − E (δ, q)] + a−c a − c (a − u)(u − d) BY (254.07) [a > b ≥ u > c > d] 2 b−x dx = (a − x)3 (x − c)(x − d) a−d b−x 2 dx = 3 (a − x) (x − c)(x − d) a−d [a > b > c ≥ u > d] BY (252.01) . 2(a − b) b−d (c − u)(u − d) E (γ, r) − a−c (a − c)(a − d) (a − u)(b − u) b−d [F (κ, q) − E (κ, q)] a−c [a > b > u ≥ c > d] . b−d (u − b)(u − d) 2 E (λ, r) + a−c a − d (a − u)(u − c) [a ≥ u > b > c > d] 3.169 Notation: In 3.169–3.172, we set: a β = arctan , u BY (256.04) b a2 + b 2 u ε = arccos , ξ = arcsin δ = arccos , , b u a2 + u 2 a b2 − u2 a u2 − b 2 ζ = arcsin , κ = arcsin , b a2 − u 2 u a2 − b 2 √ a2 − b 2 u 2 − a2 a , q = , μ = arcsin , ν = arcsin u2 − b 2 u a b a b r= √ , s= √ t= . 2 2 2 2 a a +b a +b a2 + b 2 , a2 + u 2 u η = arcsin , b 2 a − u2 λ = arcsin , a2 − b 2 u γ = arcsin b u α = arctan , b BY (255.07) 308 Power and Algebraic Functions u 1. 0 u 2.6 0 u 3. 0 b 4. 5. x2 + a2 dx = a {F (α, q) − E (α, q)} + u x2 + b2 x2 + b2 b2 F (α, q) − a E (α, q) + u dx = 2 2 x +a a x2 + a2 dx = a2 + b2 E (γ, r) − u 2 2 b −x a2 + u 2 b2 + u2 6. 0 u > 0] BY (221.03) [a > b, u > 0] BY (221.04) a2 + u 2 b2 + u2 b 2 − u2 a2 + u 2 [b ≥ u > 0] b2 − x2 dx = a2 + b2 {F (γ, r) − E (γ, r)} + u 2 2 a +x [u > b > 0] BY (214.11) b2 − x2 dx = a2 + b2 {F (δ, r) − E (δ, r)} [b > u ≥ 0] a2 + x2 u u 2 x − b2 1 2 dx = (a + u2 ) (u2 − b2 ) − a2 + b2 E (ε, s) 2 2 a +x u b u 0 b2 − x2 a2 − b 2 F (η, t) dx = a E (η, t) − a2 − x2 a u b2 − x2 a2 − b 2 F (ζ, t) − u dx = a E (ζ, t) − 2 2 a −x a 9. b 10. u 11. b a 12. u u 13. a u 14. 0 BY (211.03) b2 − u2 a2 + u 2 [b ≥ u > 0] b 8. [a > b, a2 + x2 dx = a2 + b2 E (δ, r) [b > u ≥ 0] BY (213.01), ZH 64 (273) 2 2 b −x u u 2 a + x2 1 2 dx = a2 + b2 {F (ε, s) − E (ε, s)} + (u + a2 ) (u2 − b2 ) 2 2 x −b u b u 7. 3.169 BY (214.03) BY (213.03) [u > b > 0] BY (211.04) [a > b ≥ u > 0] BY (219.03) b2 − u2 a2 − u 2 [a > b > u ≥ 0] BY (220.04) x2 − b2 1 2 b2 F (κ, q) − dx = a E (κ, q) − (a − u2 ) (u2 − b2 ) a2 − x2 a u x2 − b2 b2 F (λ, q) dx = a E (λ, q) − a2 − x2 a [a ≥ u > b > 0] BY (217.04) [a > u ≥ b > 0] BY (218.03) x2 − b2 u 2 − a2 a2 − b 2 F (μ, t) − a E (μ, t) + μ dx = x2 − a2 a u2 − b 2 a2 − x2 dx = a E (η, t) b2 − x2 [u > a > b > 0] BY (216.03) [a > b ≥ u > 0] H 64 (276), BY (219.01) 3.171 Square roots of polynomials 309 a2 − x2 u b2 − u2 dx = a E (ζ, t) − [a > b > u ≥ 0] b2 − x2 a a2 − u 2 u u 2 a − x2 1 2 dx = a {F (κ, q) − E (κ, q)} + (a − u2 ) (u2 − b2 ) 2 2 x −b u b b 15. 16. a 17. 18. 3.171 1. 2. a2 − x2 dx = a {F (λ, q) − E (λ, q)} x2 − b2 u u 2 x − a2 u 2 − a2 dx = u − a E (μ, t) 2 2 x −b u2 − b 2 a [a ≥ u > b > 0] BY (217.03) [a > u ≥ b > 0] BY (218.09) [u > a > b > 0] BY (216.04) √ a2 + x2 a2 + b 2 = E (ε, s) [u > b > 0] 2 2 x −b b2 b √ ∞ dx a2 + x2 u2 − b 2 a2 + b 2 a2 = E (ξ, s) − 2 2 2 2 2 x x −b b b u a2 + u 2 u u b 3. u u 4. b a 5. u u 6. a dx x2 dx x2 dx x2 dx x2 ∞ 7. u ∞ 8. u b 9. u dx x2 [u ≥ b > 0] a2 − x2 b2 − u2 a2 − b 2 a a2 = F (ζ, t) − 2 E (ζ, t) + 2 2 2 2 b −x ab b b u a2 − u 2 dx x2 a2 − x2 a 1 = 2 E (κ, q) − F (κ, q) x2 − b2 b a a2 − x2 a 1 = 2 E (λ, q) − f (λ, q) − x2 − b2 b a dx x2 dx x2 BY (220.03) BY (212.09) [a > b > u > 0] BY (220.12) [a ≥ u > b > 0] BY (217.11) (a2 − u2 ) (u2 − b2 ) b2 u x2 − a2 a a2 − b 2 1 = E (μ, t) − F (μ, t) − x2 − b2 b2 ab2 u BY (211.01), ZH 64 (274) a x2 + a2 1 a2 F (β, q) − = E (β, q) + x2 + b2 a b2 b2 u x2 + b2 1 1 = {F (β, q) − E (β, q)} + 2 2 x +a a u [a > u ≥ b > 0] BY (218.10) u 2 − a2 u2 − b 2 [u > a > b > 0] BY (216.08) b2 + u2 a2 + u 2 [a > b, u > 0] BY (222.08) u > 0] BY (222.09) b2 + u2 a2 + u 2 [a > b, √ (b2 − u2 ) (a2 + u2 ) b2 − x2 a2 + b 2 − = E (δ, r) 2 2 2 a +x a u a2 [b > u > 0] BY (213.10) 310 Power and Algebraic Functions 11. 12. 13. 14. 15. 16. 17. 18. √ x2 − b2 a2 + b 2 = {F (ε, s) − E (ε, s)} [a > b > 0] 2 2 a +x a2 b √ ∞ dx x2 − b2 a2 + b 2 1 u2 − b 2 = {F (ξ, s) − E (ξ, s)} + x2 a2 + x2 a2 u a2 + u 2 u [u ≥ b > 0] √ b (b2 − u2 ) (a2 + u2 ) dx a2 + x2 a2 + b 2 = {F (δ, r) − E (δ, r)} + 2 b2 − x2 b2 b2 u u x [b > u > 0] ∞ dx x2 − a2 a a2 − b 2 = E (ν, t) − F (ν, t) [u ≥ a > b > 0] x2 x2 − b2 b2 ab2 u b dx b2 − x2 1 b 2 − u2 1 [a > b > u > 0] = − E (ζ, t) 2 2 2 2 − u2 x a − x u a a u u dx x2 − b2 1 [a ≥ u > b > 0] = {F (κ, q) − E (κ, q)} 2 2 2 a −x a b x a (a2 − u2 ) (u2 − b2 ) dx x2 − b2 1 {F (λ, q) − E (λ, q)} + = 2 u2 − x2 a a2 u u x [a > u ≥ b > 0] u 1 u 2 − a2 dx x2 − b2 1 = E (μ, t) − [u > a > b > 0] 2 2 2 x −a a u u2 − b 2 a x ∞ dx x2 − b2 1 [u ≥ a > b > 0] = E (ν, t) x2 x2 − a2 a u 10. 3.172 u dx x2 BY (211.07) BY (212.11) BY (213.05) BY (215.08) BY (220.11) BY (217.08) BY (218.08) BY (216.07) BY (215.01), ZH 65 (281) 3.172 u. 1. 3 ∞ . 2. u u. 3. ∞ . 4. u u. 5. 0 + 3 a2 ) x2 + a2 (x2 0 x2 + b2 (x2 + 3 b2 ) x2 + a2 (x2 + b2 ) 3 a2 − b 2 u 1 E (α, q) − 2 2 2 a a (a + u ) (b2 + u2 ) dx = (x2 + a2 ) 0 x2 + b2 [a > b, u > 0] BY (221.10) 1 E (β, q) a [a > b, u ≥ 0] H 64 (271) a E (α, q) b2 [a > b, u > 0] H 64 (270) u ≥ 0] BY (222.06) dx = dx = dx = u a a2 − b 2 E (β, q) − 2 2 b2 b2 (a + u ) (b2 + u2 ) [a > b, √ b2 − x2 a2 + b 2 1 dx = E (γ, r) − √ F (γ, r) 3 2 2 2 2 a a + b2 (a + x ) [b ≥ u > 0] BY (214.08) 3.172 Square roots of polynomials b. 6. u √ a2 + b 2 1 u b2 − u2 E (δ, r) − √ F (δ, r) − 2 3 dx = a2 a a2 + u 2 a2 + b 2 (a2 + x2 ) b2 − x2 u. 7. b ∞ [b > u ≥ 0] √ x2 − b2 a2 + b 2 b2 1 u2 − b 2 E (ε, s) − √ F (ε, s) − 3 dx = a2 u u 2 + a2 a2 a2 + b 2 (a2 + x2 ) . 8. u. 9. ∞ 10. u u. 11. 14. dx = BY (211.06) a2 + b 2 b2 E (ξ, s) − √ F (ξ, s) 2 2 a a a2 + b 2 a2 √ F (γ, r) − b 2 a2 + b 2 √ [u ≥ b > 0] BY (212.08) 2 a + b2 u a2 + b 2 E (γ, r) + b2 b2 (a2 + u2 ) (b2 − u2 ) b2 − x2 − 3 x2 ) dx = 1 a F (η, t) − E (η, t) + u a [u > b > 0] b2 − u2 a2 − u 2 [a > b ≥ u > 0] b. 13. 3 x2 ) dx = BY (213.04) BY (214.09) [b > u > 0] 2 √ a + b2 u x2 + a2 a2 + b 2 1 √ dx = F (ξ, s) − E (ξ, s) + 3 b2 a2 + b 2 b2 (a2 + u2 ) (u2 − b2 ) (x2 − b2 ) (a2 0 3 x2 ) x2 + a2 . √ x2 − b2 (b2 − 0 12. [u > b > 0] (a2 + u 311 b2 − x2 BY (212.07) BY (219.09) 1 {F (ζ, t) − E (ζ, t)} [a > b > u ≥ 0] a − u u. 2 x − b2 1 u2 − b 2 1 [a > u > b > 0] dx = − E (κ, q) 3 2 − u2 2 2 u a a (a − x ) b ∞. 2 1 u2 − b 2 x − b2 1 3 dx = a [F (ν, t) − E (ν, t)] + u u 2 − a2 (x2 − a2 ) u BY (217.07) [u > a > b > 0] BY (215.05) (a2 u. 15. 0 a. 16. u u. 17. a 3 x2 ) a2 − x2 3 (b2 − x2 ) a2 − x2 (x2 − 3 b2 ) x2 − a2 3 (x2 − b2 ) dx = dx = a u [F (η, t) − E (η, t)] + 2 2 b b a2 − u 2 a − 2 E (λ, q) 2 2 u −b b dx = u b2 dx = a [F (μ, t) − E (μ, t)] b2 BY (220.07) a2 − u 2 b2 − u2 [a > b > u > 0] BY (219.10) [a > u > b > 0] BY (218.05) [u > a > b > 0] BY (216.05) 312 Power and Algebraic Functions ∞ . 18. u x2 − a2 a 1 3 dx = b2 [F (ν, t) − E (ν, t)] + u 2 2 (x − b ) u 2 − a2 u2 − b 2 [u ≥ a > b > 0] 3.173 1 1. u u 2. 1 3.174 dx x2 dx x2 x2 + 1 √ = 2E x2 − 1 √ 2 1 arccos , u 2 √ 1− 1+ 3 u √ , β = arccos 1+ 3−1 u u 1. 0 2. 3. 4. 3.175 BY (215.03) % √ √ & √ x2 + 1 √ 2 2 1 − u4 = 2 F arccos u, − E arccos u, + 2 1−x 2 2 u Notation: In 3.174 and 3.175, we take: 3.173 . dx √ 2 1+ 1+ 3 x [u < 1] BY (259.77) [u > 1] BY (260.76) √ 1+ 1− 3 u √ , 1+ 1+ 3 u √ √ 2+ 3 2− 3 , q= . p= 2 2 α = arccos 1 1 − x + x2 = √ E (α, p) 4 x(1 + x) 3 [u > 0] BY (260.51) . 1 dx 1 + x + x2 = √ E (β, q) [1 ≥ u > 0] BY (259.51) √ 2 4 x(1 − x) 3 0 1+ 3−1 x √ √ √ u 2 2+ 3 1+ 1− 3 u dx x(1 + x) 1 2− 3 √ √ √ F (α, p) − E (α, p) + − √ 4 4 2 1 − x + x2 27 3 1+ 1+ 3 u 27 0 1−x+x u(1 + u) × 1 − u + u2 [u > 0] BY (260.54) √ √ √ u 2 2− 3 1− 1+ 3 u dx x(1 − x) 4 2+ 3 √ √ √ E (β, q) − √ F (β, q) − 4 4 2 2 1 + x + x 1 + x + x 27 27 3 3−1 u 1+ 0 u(1 − u) × 1 + u + u2 [1 ≥ u > 0] BY (259.55) u u 1. 0 2. 0 u dx 1+x dx 1−x u (1 − u + u2 ) x 2 1 √ [F (α, p) − 2 E (α, p)] + √ √ = √ 4 3 1+x 27 3 1+u 1+ 1+ 3 u [u > 0] u (1 + u + u2 ) x 2 1 √ √ √ [F (β, q) − 2 E (β, q)] + = √ 4 1 − x3 27 3 1−u 1+ 3−1 u [0 < u < 1] BY (260.55) BY (259.52) 3.183 Fourth roots of polynomials 313 3.18 Expressions that can be reduced to fourth roots of second-degree polynomials and their products with rational functions 3.181 1. 2. 3.182 . & 1 1 4 4(a − u)(u − b) = a−b 2 E √ ,√ + E arccos 4 (a − b)2 2 2 (a − x)(x − b) b . & % 1 4(a − u)(u − b) 1 ,√ − K √ + F arccos 4 (a − b)2 2 2 [a ≥ u > b] BY (271.05) % u a − b − 2 (u − a)(u − b) 1 dx a−b F arccos ,√ 4 2 2 (x − a)(x − b) a − b + 2 (u − a)(u − b) a & a − b − 2 (u − a)(u − b) 1 − 2 E arccos ,√ 2 a − b + 2 (u − a)(u − b) 4 2(2u − a − b) (u − a)(u − b) + a − b + 2 (u − a)(u − b) BY (272.05) [u > a > b] u u 1. b % √ dx % 2 =√ K 4 a−b [(a − x)(x − b)]3 dx . 1 √ 2 +F arccos 4(a − u)(u − b) 1 ,√ (a − b)2 2 & [a ≥ u > b] √ u a − b − 2 (u − a)(u − b) 1 dx 2 ,√ =√ F arccos 4 a−b 2 [(x − a)(x − b)]3 a − b + 2 (u − a)(u − b) a BY (271.01) 2. [u > a > b] 3.183 BY (272.00) Notation: In 3.183–3.186 we set: 1 , α = arccos √ 4 u2 + 1 u 1. 0 u 2. 0 3. 1 u √ dx √ = 2 F 4 x2 + 1 dx √ = 4 1 − x2 √ dx √ =F 4 x2 − 1 β = arccos 1 α, √ 2 2 2E 1 γ, √ 2 − 2E 1 β, √ 2 − 2E −F 4 1− 1 α, √ 2 1 β, √ 2 1 γ, √ 2 + u2 , √ 1 − u2 − 1 √ γ = arccos . 1 + u2 − 1 2u + √ 4 u2 + 1 [u > 0] [0 < u ≤ 1] √ 2u 4 u2 − 1 √ 1 + u2 − 1 [u > 1] BY (273.55) BY (271.55) BY (272.55) 314 3.184 Power and Algebraic Functions u 1. 0 u 2. x2 1 3.185 u 1. 0 u 2. 0 3. 4. 5. dx √ =E 4 x2 − 1 1 β, √ 2 1 γ, √ 2 − 1 β, √ 2 −F 1 γ, √ 2 1 F 2 2u 5 − BY (272.54) u 0 u 7. 0 u 1. 0 u 2. 0 3. 1 BY (271.59) √ dx < = 2F 3 4 (x2 + 1) 1 α, √ 2 [u > 0] BY (273.50) √ dx < = 2F 3 4 (1 − x2 ) 1 β, √ 2 [0 < u ≤ 1] BY (271.51) [u > 1] BY (272.50) [0 < u ≤ 1] BY (271.54) [u > 0] BY (273.54) u 6. < 4 3 (1 − u2 ) [0 < u ≤ 1] √ √ u2 − 1 1 − u2 − 1 √ · − u 1 + u2 − 1 [u > 1] dx 1 < = F γ, √ 3 4 2 1 (x2 − 1) √ u 1 x2 dx 2 2 2 4 < F β, √ = − u 1 − u2 3 3 2 0 4 (1 − x2 )3 u √ √ dx 1 1 < − 2 F α, √ = 2 2 E α, √ 5 4 2 2 0 (x2 + 1) 3.186 √ x2 dx 2 2 √ = 2E 4 5 1 − x2 3.184 u x2 dx < 5 4 (x2 + 1) 2 √ =2 2 F x dx 1 < = √ F 7 4 3 2 (x2 + 1) 1 α, √ 2 1 α, √ 2 √ √ 1 + x2 + 1 √ dx = 2 2 E 4 (x2 + 1) x2 + 1 − 2E 1 α, √ 2 2u + √ 4 u2 + 1 [u > 0] BY (273.56) u − < 3 4 6 (u2 + 1) [u > 0] BY (273.53) 1 α, √ 2 [u > 0] BY (273.51) √ dx √ √ = 2 F 1 + 1 − x2 4 1 − x2 dx 1 √ √ = F 2 x2 + 2 x2 − 1 4 x2 − 1 1 β, √ 2 1 γ, √ 2 −E −E 1 β, √ 2 √ u 4 1 − u2 √ + 1 + 1 − u2 [0 < u ≤ 1] 1 γ, √ 2 [u > 1] BY (271.58) BY (272.53) 3.194 Powers of x and binomials √ √ 1 − 1 − x2 dx √ · < = 2 2E 1 + 1 − x2 4 (1 − x2 )3 u 4. 0 u 2 5. 1 x dx =E √ < 3 4 x2 + 2 x2 − 1 (x2 − 1) 1 β, √ 2 1 β, √ 2 −F 1 γ, √ 2 315 √ 2u 4 1 − u2 √ − 1 + 1 − u2 [0 < u ≤ 1] BY (271.57) [u > 1] BY (272.51) 3.19–3.23 Combinations of powers of x and powers of binomials of the form (α+βx) 3.191 u xν−1 (u − x)μ−1 dx = uμ+ν−1 B(μ, ν) 1. [Re μ > 0, Re ν > 0] ET II 185(7) 0 ∞ 2. x−ν (x − u)μ−1 dx = uμ−ν B(ν − μ, μ) u 1 ν−1 3. x (1 − x) μ−1 [Re ν > Re μ > 0] 1 xμ−1 (1 − x)ν−1 dx = B(μ, ν) dx = 0 0 [Re μ > 0, 3.192 1 1. 0 1 2. 0 1 3. 0 [−1 < p < 0] BI (4)(6) 1 (x − 1)p− 2 n 0 0 − 12 < p < 1 2 BI (23)(7) [Re ν > 0] EH I 2 [|arg(1 + βu)| < π, Re μ > 0] ET I 310(20) ∞ u 3. n!nν+n ν(ν + 1)(ν + 2) . . . (ν + n) xμ−1 dx uμ = 2 F 1 (ν, μ; 1 + μ; −βu) ν (1 + βx) μ 2.6 dx = π sec pπ x xν−1 (n − x)n dx = BI (3)(4) (1 − x)p dx = −π cosec pπ xp+1 3.193 0 BI (3)(5) u FI II 774(1) [−1 < p < 0] 1 p2 < 1 Re ν > 0] xp dx = −π cosec pπ (1 − x)p+1 ∞ 1. xp dx = pπ cosec pπ (1 − x)p 4. 3.194 ET II 201(6) xμ−1 dx uμ−ν = ν 2 F 1 ν, ν − μ; ν (1 + βx) β (ν − μ) ν − μ + 1; − 1 βu [Re ν > Re μ] ∞ ET I 310(21) μ−1 x dx = β −μ B(μ, ν − μ) (1 + βx)ν [|arg β| < π, Re ν > Re μ > 0] FI II 775a, ET I 310(19) 316 Power and Algebraic Functions 4. ∞ 11 0 0 μ−1 μ u x dx = 1 + βx μ [|arg β| < π, 0 < Re μ < n + 1] 2 F 1 (1, μ; 1 + μ; −βu) [|arg(1 + uβ)| < π, Re μ > 0] ET I 308(5) ∞ 6. 0 cosec(μπ) ET I 308(6) u 5. μ−1 n xμ−1 dx π = (−1)n μ n+1 (1 + βx) β 3.195 ∞ 7. xμ−1 dx (1 − μ)π = cosec μπ (1 + βx)2 βμ BI (16)(4) 1 xm dx 1 (a + bx)n+ 2 0 [0 < Re μ < 2] = 2m+1 m! (2n − 2m − 3)!! am−n+ 2 (2n − 1)!! bm+1 m < n − 12 , a > 0, b>0 BI (21)(2) ∞ xn−1 dx −n = 2 (1 + x)m 1 8. 0 k=0 ∞ 3.19511 0 m − n − 1 (−2)−k k n+k BI (3)(1) (1 + x)p−1 1 − a−p dx = (a + x)p+1 p(a − 1) ln a = a−1 =1 [p = 0, a > 0, a = 1] [p = 0, a > 0, a = 1] [a = 1] LI (19)(6) 3.196 u (x + β)ν (u − x)μ−1 dx = 1. 0 ∞ 2. β ν uμ u 2 F 1 1, −ν; 1 + μ; − μ β ! ! ! ! !arg u ! < π ! β! (x + β)−ν (x − u)μ−1 dx = (u + β)μ−ν B(ν − μ, μ) u ! ! ! ! !arg u ! < π, ! β! ET II 185(8) Re ν > Re μ > 0 ET II 201(7) b (x − a)μ−1 (b − x)ν−1 dx = (b − a)μ+ν−1 B(μ, ν) 3. [b > a, Re μ > 0, Re ν > 0] a EH I 10(13) ∞ 4. 1 5. 1 dx π = − cosec νπ (a − bx)(x − 1)ν b dx π = cosec νπ ν (a − bx)(1 − x) b −∞ ν b b−a b a−b [a < b, b > 0, 0 < ν < 1] LI (23)(5) ν [a > b > 0, 0 < ν < 1] LI (24)(10) 3.197 3.197 Powers of x and binomials ∞ 1. |arg γ| < π, [|arg β| < π, ∞ u 1 3. γ β Re μ > Re(ν − )] xν−1 (β + x)−μ (x + γ)− dx = β −μ γ ν− B(ν, μ − ν + ) 2 F 1 μ, ν; μ + ; 1 − 0 2.11 317 Re ν > 0, ET II 233(9) β x−λ (x + β)ν (x − u)μ−1 dx = u−λ (β + u)μ+ν B(λ − μ − ν, μ) 2 F 1 λ, μ; λ − μ; − ! ! ! u ! !β ! ! ! u !arg ! < π or ! ! < 1, 0 < Re μ < Re(λ − ν) ET II 201(8) !u! ! β! xλ−1 (1 − x)μ−1 (1 − βx)−ν dx = B(λ, μ) 2 F 1 (ν, λ; λ + μ; β) 0 1 4. Re μ > 0, [Re μ > 0, Re ν > 0, ∞ [|arg α| < π, ∞ xλ−ν (x − 1)ν−μ−1 (αx − 1)−λ dx = α−λ B(μ, ν − μ) 2 F 1 ν, μ; λ; α−1 1 [1 + Re ν > Re λ > Re μ, ∞ 7. 0 xμ− 2 (x + a)−μ (x + b)−μ dx = 1 √ π √ √ a+ b 1−2μ |arg(α − 1)| < π] 0 EH I 115(6) Γ μ − 12 Γ(μ) [Re μ > 0] u 8. − Re(μ + ν) > Re λ > 0] EH I 60(12), ET I 310(23) 6. a > −1] xλ−1 (1 + x)ν (1 + αx)μ dx = B(λ, −μ − ν − λ) 2 F 1 (−μ, λ; −μ − ν; 1 − α) 0 WH BI(5)4, EH I 10(11) 5. |β| < 1] xμ−1 (1 − x)ν−1 (1 + ax)−μ−ν dx = (1 + a)−μ B(μ, ν) 0 [Re λ > 0, u xν−1 (x + α)λ (u − x)μ−1 dx = αλ uμ+ν−1 B(μ, ν) 2 F 1 −λ, ν; μ + ν; − α +! u !! ! < π, Re μ > 0, arg ! ! α BI 19(5) , Re ν > 0 ET II 186(9) ∞ 9. xλ−1 (1 + x)−μ+ν (x + β)−ν dx = B(μ − λ, λ) 2 F 1 (ν, μ − λ; μ; 1 − β) 0 [Re μ > Re λ > 0] 10. 11. 1 EH I 205 π xq−1 dx = cosec qπ [0 < q < 1, p > −1] BI (5)(1) q (1 + px) (1 − x) (1 + p)q 0 √ 1 1 2 Γ p + 12 Γ(1 − p) xp− 2 dx √ sin (2p − 1) arctan q 2p √ √ cos (arctan q) = p p π (2p − 1) sin arctan q 0 (1 − x) (1 + qx) 1 BI (11)(1) − 2 < p < 1, q > 0 318 Power and Algebraic Functions 1 12. 0 3.198 √ 1−2p √ 1−2p 1 Γ p + 12 Γ(1 − p) 1 − q − 1+ q xp− 2 dx √ = √ (1 − x)p (1 − qx)p (2p − 1) q π 1 − 2 < p < 1, 0 < q < 1 1 3.198 xμ−1 (1 − x)ν−1 [ax + b(1 − x) + c]−(μ+ν) dx = (a + c)−μ (b + c)−ν B(μ, ν) 0 [a ≥ 0, BI (11)(2) b 3.199 b ≥ 0, c > 0, Re μ > 0, Re ν > 0] FI II 787 (x − a)μ−1 (b − x)ν−1 (x − c)−μ−ν dx = (b − a)μ+ν−1 (b − c)−μ (a − c)−ν B(μ, ν) a [Re μ > 0, Re ν > 0, c < a < b] EH I 10(14) 1 3.211 xλ−1 (1 − x)μ−1 (1 − ux)− (1 − vx)−σ dx = B(μ, λ) F 1 ((λ, , σ, λ + μ; u, v)) 0 [Re λ > 0, Re μ > 0] EH I 231(5) q a + b (1 + ax)−p + (1 + bx)−p xq−1 dx = 2(ab)− 2 B(q, p − q) cos q arccos √ 2 ab 0 BI (19)(9) [p > q > 0] ∞ q a + b (1 + ax)−p − (1 + bx)−p xq−1 dx = −2i(ab)− 2 B(q, p − q) sin q arccos √ 2 ab 0 BI (19)(10) [p > q > 0] 1 (1 + x)μ−1 (1 − x)ν−1 + (1 + x)ν−1 (1 − x)μ−1 dx = 2μ+ν−1 B(μ, ν) 3.212 3.213 3.214 ∞ 0 [Re μ > 0, Re ν > 0] LI(1)(15), EH I 10(10) 1 3.215 μ μ−1 a x (1 − ax)ν−1 + (1 − a)ν xν−1 [1 − (1 − a)x]μ−1 dx = B(μ, ν) 0 [Re μ > 0, Re ν > 0, |a| < 1] BI (1)(16) 3.216 1 1. 0 xμ−1 + xν−1 dx = B(μ, ν) (1 + x)μ+ν ∞ 2. 1 Re ν > 0] FI II 775 [Re μ > 0, Re ν > 0] FI II 775 bp xp−1 (1 + bx)p−1 − dx = π cot pπ [0 < p < 1, b > 0] (1 + bx)p bp−1 xp 0 ∞ 2p−1 x − (a + x)2p−1 dx = π cot pπ [p < 1] (cf. 3.217) (a + x)p xp 0 ∞ xν xμ − dx = ψ(μ + 1) − ψ(ν + 1) ν+1 (x + 1) (x + 1)μ+1 0 [Re μ > −1, Re ν > −1] 3.217 3.218 3.219 3.221 xμ−1 + xν−1 dx = B(μ, ν) (1 + x)μ+ν [Re μ > 0, 1. a ∞ ∞ (x − a)p−1 dx = π(a − b)p−1 cosec pπ x−b [a > b, 0 < p < 1] BI(18)(13) BI (18)(7) BI (19)(13) LI (24)(8) 3.226 Powers of x and binomials 2. 3.222 (a − x)p−1 dx = −π(b − a)p−1 cosec pπ x−b −∞ 319 a 1 1. 0 xμ−1 dx = β(μ) 1+x ∞ 2. 0 [a < b, 0 < p < 1] LI (24)(8) [Re μ > 0] xμ−1 dx = π cosec(μπ)aμ−1 x+a = −π cot(μπ)(−a)μ−1 WH for a > 0 FI II 718, FI II 737 for a < 0 BI(18)(2), ET II 249(28) [0 < Re μ < 1] 3.223 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 0 ∞ 1. 1 ∞ 2. 1 ∞ 3. 0 1 1. 0 2. 0 1 μ−1 a x dx = π cot(μπ) (a − x)(b − x) ∞ 3.224 3.226 π μ−1 xμ−1 dx = β cosec(μπ) + αμ−1 cot(μπ) (β + x)(α − x) α+β [|arg β| < π, 0 < Re μ < 2] α > 0, ET I 309(7) 0 < Re μ < 2] ET I 309(8) 3.225 π μ−1 xμ−1 dx = β − γ μ−1 cosec(μπ) (β + x)(γ + x) γ−β [|arg β| < π, |arg γ| < π, −b b−a μ−1 (x + β)xμ−1 dx = π cosec(μπ) (x + γ)(x + δ) μ−1 [a > b > 0, 0 < Re μ < 2] ET I 309(9) γ − β μ−1 δ − β μ−1 γ δ + γ−δ δ−γ [|arg γ| < π, |arg δ| < π, 0 < Re μ < 1] ET I 309(10) (x − 1)p−1 dx = (1 − p)π cosec pπ x2 [−1 < p < 1] BI (23)(8) (x − 1)1−p 1 dx = p(1 − p)π cosec pπ x3 2 [0 < p < 1] BI (23)(1) xp dx π = p(1 − p) cosec pπ 3 (1 + x) 2 [−1 < p < 2] BI (16)(5) xn dx (2n)!! √ =2 (2n + 1)!! 1−x BI (8)(1) 1 xn− 2 dx (2n − 1)!! √ π. = (2n)!! 1−x BI (8)(2) 320 3.227 Power and Algebraic Functions ∞ 1. 0 ∞ 2. 0 3.228 b 1. a 3.227 xν−1 (β + x)1−μ γ dx = β 1−μ γ ν−1 B(ν, μ − ν) 2 F 1 μ − 1, ν; μ; 1 − γ+x β [|arg β| < π, |arg γ| < π, 0 < Re ν < Re μ] ET II 217(9) x− (β − x)−σ dx = πγ − (β − γ)−σ cosec(π) I 1−γ/β (σ, ) γ+x [|arg β| < π, |arg γ| < π, − Re σ < Re < 1] ET II 217(10) (x − a)ν (b − x)−ν dx = π cosec(νπ) 1 − x−c a−c b−c = π cosec(νπ) 1 − cos(νπ) c−a = π cosec(νπ) 1 − c−b ν ν c−a b − c ν for c < a for a < c < b for c > b [|Re ν| < 1] b 2. a (x − a)ν−1 (b − x)−ν x−c ! !ν−1 π cosec(νπ) !! a − c !! dx = !b−c! b−c ν−1 π(c − a) =− cot(νπ) (b − c)ν ET II 250(31) for c < a or c > b; for a < c < b [0 < Re ν < 1] b 3. a ET II 250(32) (x − a)ν−1 (b − x)μ−1 dx x−c (b − a)μ+ν−1 b−a = B(μ, ν) 2 F 1 1, μ; μ + ν; b−c b−c for c < a or c > b; = π(c − a)ν−1 (b − c)μ−1 cot μπ − (b − a)μ+ν−2 B(μ − 1, ν) × 2 F 1 2 − μ − ν, 1; 2 − μ; [Re μ > 0, 4. 0 5. 0 1 b−c b−a Re ν > 0, π(a − b)ν−1 (1 − x)ν−1 x−ν dx = cosec(νπ) a − bx aν ∞ for a < c < b μ + ν = 1, μ = 1, 2, . . .] [0 < Re ν < 1, 0 < b < a] c xν−1 (x + a)1−μ dx = a1−μ (−c)ν−1 B(μ − ν, ν) 2 F 1 μ − 1, ν; μ; 1 + x−c a a1−μ−ν B(μ − ν − 1, ν) = πcν−1 (a + c)1−μ cot[(μ − ν)π] − a+c a × 2 F 1 2 − μ, 1; 2 − μ + ν; a+c [a > 0, 0 < Re ν < Re μ] ET II 250(33) BI (5)(8) for c < 0; for c > 0 ET II 251(34) 3.237 Powers of x and binomials ∞ 6. xν−1 0 ⎡ −n (γ + x) x+β ν−1 dx = π β ⎣1 − sin πν (γ − β)n γ β [|arg β| < π, 1 3.229 0 3.231 1 1. 0 1 2.11 0 1 3. 0 1 4. 0 1 5. 0 |arg γ| < π, xp−1 + x−p dx = π cosec pπ 1+x 1 xp − x−p dx = − π cot pπ x−1 p xp − x−p 1 dx = − π cosec pπ 1+x p xμ−1 − xν−1 dx = ψ(ν) − ψ(μ) 1−x ∞ x ∞ 0 ∞ 3.233 0 1 1.11 0 1 2. 0 −x 1−x p−1 3.232 3.237 γ−β γ (1 − ν)j j! j ⎤ ⎦ 0 < Re ν < n] AS 256 (6.1.22) xμ−1 dx π cosec μπ a b = − (1 − x)μ (1 + ax)(1 + bx) a−b (1 + a)μ (1 + b)μ [0 < Re μ < 1] 0 3.23610 j=0 xp−1 − x−p dx = π cot pπ 1−x 6. 3.235 ν−1 n−1 p2 < 1 p2 < 1 p2 < 1 p2 < 1 BI (5)(7) BI (4)(4) BI (4)(1) BI (4)(3) BI (4)(2) [Re μ > 0, Re ν > 0] FI II 815, BI(4)(5) 3.234 321 q−1 dx = π (cot pπ − cot qπ) (c + ax)−μ − (c + bx)−μ b dx = c−μ ln x a 1 − (1 + x)−ν 1+x [p > 0, q > 0] [Re μ > −1; a > 0; FI II 718 b > 0; c > 0] BI (18)(14) dx = ψ(ν) + C x [Re ν > 0] EH I 17, WH xq−1 x−q − 1 − ax a − x dx = πa−q cot qπ [0 < q < 1, a > 0] BI (5)(11) xq−1 x−q + 1 + ax a + x dx = πa−q cosec qπ [0 < q < 1, a > 0] BI (5)(10) ∞ (1 + x)μ − 1 dx = ψ(ν) − ψ(ν − μ) [Re ν > Re μ > 0] (1 + x)ν x 0 1 μ 1−μ x 2 dx μ (1 − a)−μ − (1 + a)−μ √ Γ 1+ = Γ μ+1 2 2 2 2aμ π 0 [(1 − x) (1 − a x)] 2 [−2 < μ < 1, |a| < 1] u 2 n+1 ∞ u Γ 2 dx = ln (−1)n+1 [|arg u| < π] 2 x + u u+1 n n=0 2 Γ 2 BI (18)(5) BI (12)(32) ET II 216(1) 322 3.238 Power and Algebraic Functions ∞ ν−1 νπ ν−1 |x| dx = −π cot |u| sign u 2 −∞ x − u 1. 3.238 [0 < Re ν < 1 u real, u = 0] ET II 249(29) ∞ ν−1 2. −∞ νπ ν−1 |x| sign x dx = π tan |u| x−u 2 [0 < Re ν < 1 u real, u = 0] ET II 249(30) b 3. (b − x)μ−1 (x − a)ν−1 |x − u| a μ+ν dx = (b − a)μ+ν−1 Γ(μ) Γ(ν) μ ν |a − u| |b − u| Γ(μ + ν) [Re μ > 0, Re ν > 0, 0 < u < a < b and 0 < a < b < u] MO 7 3.24–3.27 Powers of x, of binomials of the form α + βxp and of polynomials in x 3.241 1 1. 0 xμ−1 dx 1 = β p 1+x p ∞ 2. 0 4. 0 ∞ 5. 6.10 3.242 1. pπ xp−1 dx π = cot 1 − xq q q xμ−1 dx n+1 (p + qxν ) 0 μ ν−μ , ν ν p > 0] WH, BI (2)(13) [Re ν > Re μ > 0] ET I 309(15)a, BI (17)(10) ∞ PV 11 [Re μ > 0, μπ 1 xμ−1 dx π = B = cosec 1 + xν ν ν ν 3.11 μ p 1 = n+1 νp [p < q] p q μ/ν Γ μ μ ν Γ 1+n− ν Γ(1 + n) + μ 0 < < n + 1, ν BI (17)(11) , p = 0, BI (17)(22)a ∞ (p − q)π (p − q)π [p < 2q] = cosec 2 q )2 q q (1 + x 0 b p b−u x x 1/p − G(x) = sign du = (b − a)F c b−a c a where ⎧ ⎪ x≤0 1 ⎨−1 sign(x − t) dt = 2x − 1 0 < x < 1 F (x) = ⎪ 0 ⎩ 1 x≥1 xp−1 dx (2n − 2m − 1) π (2m + 1)π x2m dx = sin t cosec t cosec 4n 2n + 2x cos t + 1 n 2n 2n −∞ x 2 m < n, t < π 2 q=0 BI (17)(18) ∞ FI II 642 3.247 Powers of x and binomials and polynomials 2. ∞ 11 0 ∞ 3.24311 0 3.244 1 1. 0 2. 3. 4. x2 x4 + 2ax2 + 1 c x2 + 1 xb + 1 323 dx 1 1 = 2−1/2−c (1 + a)1/2−c B c − , 2 x 2 2 xμ−1 dx (1 + x2ν ) (1 + x3ν ) π 4π 2π = 8 cosec(2ρ) + 12 cosec(3ρ) − 8 cosec 2ρ − + 8 cosec 2ρ − 48ν 3 3 , π π cosec ρ + sec(ρ) −3 cosec ρ − 6 6 μπ , [0 < Re μ < 5 Re ν] ET I 312(34) where ρ = 6ν pπ xp−1 + xq−p−1 π dx = cosec 1 + xq q q pπ xp−1 − xq−p−1 π dx = cot q 1−x q q 0 1 ν−1 + μ−1 μ , x −x 1 dx = C + ψ 1 − xν ν ν 0 ∞ 2m 2n 2m + 1 x −x π π − cot dx = cot 2l l 2l −∞ 1 − x [q > p > 0] BI (2)(14) [q > p > 0] BI (2)(16) [Re μ > Re ν > 0] BI (2)(17) 1 2n + 1 π 2l [m < l, ∞ n < l] FI II 640 ν−μ x − xν (1 + x)−μ dx = ν B(ν, μ − ν) ν−μ+1 0 [Re μ > Re ν > 0] ∞ qπ pπ (p + q)π 1 − xq p−1 π cosec cosec x dx = sin r r r r r 0 1−x [p + q < r, p > 0] 3.245 3.246 BI (16)(13) ET I 331(33), BI (17)(12) dx can be transformed by the substitution x = et Integrals of the form f x ± x , x ± x , . . . x 1 ∞ 1+p 1−p −1 −t x or x = e . For example, instead of +x dx, we should seek to evaluate sech px dx 0 0 1 n−m−1 ∞ x + xn+m−1 −1 and, instead of dx, we should seek to evaluate cosh mx (cosh nx − cos a) dx n 2n 0 1 + 2x cos a + x 0 (see 3.514 2). 3.247 1 α−1 ∞ x (1 − x)n−1 ξk dx = (n − 1)! 1.11 b 1 − ξx (α + kb)(α + kb + 1) . . . (α + kb + n − 1) 0 p −p q −q k=0 2. 0 [b > 0, ∞ (1 − x ) x 1 − xnp p ν−1 dx = |ξ| < 1] AD (6704) π πν π (p + ν)π sin cosec cosec np n np np [0 < Re ν < (n − 1)p] ET I 311(33) 324 3.248 Power and Algebraic Functions ∞ 1. 0 1 2. 0 3. 4.3 6.∗ 3.249 1.0 2.9 3. 4. 5. xμ−1 dx 1 √ = B ν 1 + xν μ 1 μ , − ν 2 ν 3.248 [Re ν > Re 2μ > 0] BI (21)(9) x2n+1 dx (2n)!! √ = (2n + 1)!! 1 − x2 BI (8)(14) x2n dx (2n − 1)!! π √ = 2 (2n)!! 2 1−x 0 ∞ dx π √ = 2 ) 4 + 3x2 3 (1 + x −∞ 1 BI (8)(13) ⎧ ⎪ 2 b ⎪ ⎪ √ −1 arctan ⎪ ⎪ ⎪ a b−a ⎪ ∞ ⎨ dx 2 = √ 2 2 ⎪ a −∞ 1 + x ⎪ b + ax2 √ ⎪ √ ⎪ ⎪ 1 a+ a−b ⎪ ⎪ √ √ ln √ ⎩ a−b a− a−b if a < b if a = b if a > b ∞ dx π (2n − 3)!! = 2n−1 2 + a2 )n 2 · (2n − 2)!! a (x 0 a 2 n− 12 (2n − 1)!! π. a − x2 dx = a2n 2(2n)!! 0 n 1 1 − x2 dx = 2n+1 Q n (a) n+1 −1 (a − x) 1 μ μ+1 x dx 1 = β 2 1 + x 2 2 0 1 μ−1 1 − x2 dx = 22μ−2 B(μ, μ) = 12 B 12 , μ FI II 743 FI II 156 EH II 181(31) [Re μ > −1] BI (2)(7) [Re μ > 0] FI II 784 [p > 0] BI (7)(7) 0 1 6. 1− √ p−1 x dx = 0 1 − ν1 (1 − xμ ) 7. dx = 0 ∞ 8.11 1+ −∞ 3.251 1. 0 2. 0 1 x2 n−1 2 p(p + 1) 1 1 ,1 − μ ν π(n − 1) Γ dx = Γ n2 1 B μ −n/2 [Re μ > 0, n−1 2 ν−1 μ 1 ,ν xμ−1 1 − xλ dx = B λ λ |ν| > 1] [n > 1] [Re μ > 0, Re ν > 0, λ > 0] FI II 787 ∞ ν−1 μ μ 1 ,1 − ν − xμ−1 1 + x2 dx = B 2 2 2 Re μ > 0, Re ν + 12 μ < 1 3.252 Powers of x and binomials and polynomials ∞ 3. ν−1 xμ−1 (xp − 1) dx = 1 ∞ 0 ∞ 0 x2m+1 dx m!(n − m − 2)! n = 2(n − 1)!am+1 cn−m−1 (ax2 + c) xμ+1 (1 + 0 1 7. 2 x2 ) xμ dx (1 + 0 x2m dx (2m − 1)!!(2n − 2m − 3)!!π √ n = 2 · (2n − 2)!!am cn−m−1 ac (ax2 + c) ∞ 6. 2 x2 ) dx = μπ 4 sin μπ 2 xq+p−1 (1 − xq ) −p q dx = 0 1 9. q x p −1 (1 − xq ) 1 −p 1 −p q xp−1 (1 − xq ) ∞ 11. 0 3.252 ∞ 1. 0 2. 3. c > 0, n > m + 1] ∞ μ−1 2 pπ pπ cosec 2 q q [q > p] BI (9)(22) pπ π cosec q q [q > p > 0] μ μ 1 − μp β ,ν − B p p p [|arg β| < π, p > 0, WH LI (3)(11) dx = dx = GU (141)(8b) [Re μ > 1] [p > 1, −ν xμ−1 (1 + βxp ) n > m + 1 ≥ 1] [ac > 0, π π cosec q p 0 [a > 0, dx = 0 10. Re μ < p − p Re ν] [−2 < Re μ < 2] 1 μ−1 β =− + 4 4 1 8. Re ν > 0, GU (141)(8a) 5. [p > 0, ET I 311(32) 4. μ 1 B 1 − ν − ,ν p p 325 q > 0] BI (9)(23)a BI (9)(20) 0 < Re μ < p Re ν] BI (17)(20), EH I 10(16) 1 dx (−1)n−1 ∂ n−1 b √ arccot √ n = (n − 1)! ∂cn−1 (ax2 + 2bx + c) ac − b2 ac − b2 a > 0, ac > b2 dx (2n − 3)!!πan−1 a > 0, = n 2 + 2bx + c) n− 12 (ax 2 −∞ (2n − 2)!! (ac − b ) ∞ 1 dx (−2)n ∂ n √ √ = n+ 32 (2n + 1)!! ∂cn c ( ac + b) 0 (ax2 + 2bx + c) a ≥ 0, ac > b2 c > 0, GW (131)(4) GW (131)(5) √ b > − ac GW (213)(4) 326 Power and Algebraic Functions ∞ 4. 0 x dx n (ax2 + 2bx + c) b (−1)n ∂ n−2 b 1 − = arccot √ for ac > b2 ; (n − 1)! ∂cn−2 2 (ac − b2 ) 2 (ac − b2 ) 32 ac − b2 √ b b + b2 − ac 1 (−1)n ∂ n−2 √ + ln for b2 > ac > 0; = (n − 1)! ∂cn−2 2 (ac − b2 ) 4 (b2 − ac) 32 b − b2 − ac an−2 = for ac = b2 2(n − 1)(2n − 1)b2n−2 [a > 0, b > 0, n ≥ 2] GW (141)(5) ∞ 5. −∞ x dx (2n − 3)!!πban−2 n =− (2n−1) + 2bx + c) (2n − 2)!! (ac − b2 ) 2 ac > b2 , n≥2 a > 0, GW (141)(6) m −∞ (ax2 m xn dx n+ 32 (ax2 + 2bx + c) 0 n−m−1 m x dx b (−1) πa n = n− 1 + 2bx + c) (2n − 2)!! (ac − b2 ) 2 [m/2] k m ac − b2 (2k − 1)!!(2n − 2k − 3)!! × 2k b2 k=0 ac > b2 , 0 ≤ m ≤ 2n − 2 ∞ 7. (ax2 ∞ 6. 3.252 = n! √ √ n+1 (2n + 1)!! c ( ac + b) a ≥ 0, c > 0, GW (141)(17) √ b > − ac GW (213)(5a) ∞ 8. xn+1 dx (ax2 0 n+ 32 = + 2bx + c) n! √ √ n+1 (2n + 1)!! a ( ac + b) a > 0, c ≥ 0, √ b > − ac GW (213)(5b) ∞ 9. 10.6 0 x dx n+1 (ax2 + 2bx + c) 0 n+ 12 = 1 22n+ 2 (2n − 1)!!π √ n+ 1 √ (b + ac) 2 n! a a > 0, c > 0, b+ √ ac > 0 LI (21)(19) ∞ μ−1 1 x dx 1 −ν ν− 12 (sin t) 2 t Γ ν + ν =2 2 2 (1 + 2x cos t + x ) 1 −ν 2 B(μ, 2ν − μ) P μ−ν− 1 (cos t) 2 [0 < t < π, 0 < Re μ < Re 2ν] ET I 310(22) 3.255 Powers of x and binomials and polynomials ∞ 11. 327 μ− 12 −ν−1 μ 1 + 2βx + x2 x dx = 2−μ β 2 − 1 2 Γ(1 − μ) B(ν − 2μ + 1, −ν) P μν−μ (β) 0 [Re ν < 0, Re(2μ − ν) < 1, |arg (β ± 1)| < π] EH I 160(33) 1 2 −μ = −π cosec νπ C ν (β) −2 < Re 12 − μ < Re ν < 0, |arg (β ± 1)| < π EH I 178(24) ∞ 12. 0 xμ−1 dx = −πaμ−2 cosec t cosec(μπ) sin[(μ − 1)t] x2 + 2ax cos t + a2 [a > 0, 0 < |t| < π, 0 < Re μ < 2] FI II 738, BI(20)(3) ∞ 13. xμ−1 dx (x2 0 2 a2 ) + 2ax cos t + = πaμ−4 cosec μπ cosec3 t 2 × {(μ − 1) sin t cos [(μ − 2)t] − sin[(μ − 1)t]} [a > 0, ∞ 14. 0 0 < |t| < π, xμ−1 dx √ = π cosec(μπ) P μ−1 (cos t) 1 + 2x cos t + x2 0 < Re μ < 4] [−π < t < π, LI(20)(8)a, ET I 309(13) 0 < Re μ < 1] ET I 310(17) 1 3.253 −1 (1 + x)2μ−1 (1 − x)2ν−1 μ+ν (1 + x2 ) dx = 2μ+ν−2 B(μ, ν) [Re μ > 0, Re ν > 0] FI II 787 3.254 u ν xλ−1 (u − x)μ−1 x2 + β 2 dx 1. 0 λ λ + 1 λ + μ λ + μ + 1 −u2 ; , ; 2 = β 2ν uλ+μ−1 B(λ, μ) 3 F 2 −ν, , 2 2 2 β 2 u Re ET II 186(10) > 0, λ > 0, Re μ > 0 β ∞ 2.6 −λ ν x (x − u)μ−1 x2 + β 2 dx u Γ(μ) Γ(λ − μ − 2ν) Γ(λ − 2ν) 1+λ−μ λ 1+λ β2 λ−μ − ν, − ν; − ν, − ν; − 2 × 3 F 2 −ν, 2 2 2 2 u β |u| > |β| and Re ET II 202(9) > 0, 0 < Re μ < Re(λ − 2ν) u √ Γ μ + 12 π dx = √ √ 2 μ+ 12 √ Γ(μ + 1) a+ c + 2b − a + c c + 2b − a √ √ 2 c + 2b − a + c > 0, c + 2b − a > 0, Re μ > − 12 a+ = uμ−λ+2ν 1 3.255 0 1 1 xμ+ 2 (1 − x)μ− 2 μ+1 (c + 2bx − ax2 ) BI (14)(2) 328 Power and Algebraic Functions 3.256 1 1. xp−1 + xq−1 (1 − x2 ) 0 p+q 2 q−p π sec 4 1 cos 2 dx = 3.256 q+p p q π B , 4 2 2 [p > 0, 2. 0 1 xp−1 − xq−1 (1 − ∞ 9 3.257 0 % x2 ) p+q 2 b ax + x q−p π cosec 4 1 sin 2 dx = +c ∞ 1. x− √ π Γ p + 12 ∞ x2 − a2 n dx = ∞ n x2 + 1 − x b 3. 5. q > 0, p + q < 2] BI (8)(26) x2 + a2 − x a > 0, b < 0, c > 0, p > − 12 a > 0, b > 0, c > −4ab, a2 b − b 2 − a2 2(n − 1) n−1 − n+1 n dx = na n2 − 1 n ≥ 2] a n+1 GW (215)(5) [n ≥ 2] GW (214)(7) [n ≥ 2] GW (214)(6a) [a > 0, ∞ 0 7. ∞ 6. BI (20)(4) p > − 12 dx n [n ≥ 2] √ n = n−1 2 2 2 a (n − 1) x + x + a 0 ∞ n n · m!am+n+1 xm x2 + a2 − x dx = (n − m − 1)(n − m + 1) . . . (m + n + 1) 0 1 b − b 2 − a2 2(n + 1) [0 < a ≤ b, √ √ n−1 n+1 b2 + 1 − b b2 + 1 − b + dx = 2(n − 1) 2(n + 1) 0 4. [p > 0, q+p p q π B , 4 2 2 1 2acp+ 2 b 2. BI (8)(25) dx Γ(p + 1) 1 B p + 12 , 12 = 1 2 p+ a (4ab + x) 2 p + q < 2] &−p−1 2 = 3.258 q > 0, GW (214)(6) x dx n · m! √ n = 2 2 (n − m − 1)(n − m + 1) . . . (m + n + 1)an−m−1 x+ x +a m [a > 0, ∞ 0 ≤ m ≤ n − 2] GW (214)(5a) (x − a)m x − x2 − a2 n dx = 0 ≤ m ≤ n − 2] GW (214)(5) n · (n − m − 2)!(2m + 1)!am+n+1 2m (n + m + 1)! [a > 0, n ≥ m + 2] GH (215)(6) 3.264 3.259 Powers of x and binomials and polynomials 1 l xp−1 (1 − x)n−1 (1 + bxm ) dx = (n − 1)! 1.6 0 ∞ k=0 l k 329 bk Γ(p + km) Γ(p + n + km) [|b| < 1 unless l = 0, 1, 2, . . . ; 2. u p, n, p + ml > 0] BI (1)(14) λ xν−1 (u − x)μ−1 (xm + β m ) dx 11 0 = β mλ uμ+ν−1 B (μ, ν) × ∞ 3.11 m+1 F m xλ−1 (1 + αxp ) −λ, −μ ν+m−1 μ+ν μ+ν+1 μ + ν + m − 1 −um ν ν+1 , ,..., ; , ,..., ; m m m m m ! m β ! m ! ! u π !< Re μ > 0, Re ν > 0, !!arg ET II 186(11) β ! m −ν (1 + βxp ) 0 [|arg α| < π, 3.261 1.11 PV 0 2. 3. 4. 1 λ λ β 1 −λ/p λ α ,μ + ν − B 2 F 1 ν, ; μ + ν; 1 − p p p p α |arg β| < π, p > 0, 0 < Re λ < 2 Re(μ + ν)] ET I 312(35) dx = ∞ (1 − x cos t) xμ−1 dx cos kt = 1 − 2x cos t + x2 μ+k [Re μ > 0, BI (6)(9) 2 (xν + x−ν ) dx π sin νt ν < 1, t = (2n + 1)π = BI (6)(8) 2 1 + 2x cos t + x sin t sin νπ 0 1 1+p x + x1−p dx π (p sin t cos pt − cos t sin pt) = 2 )2 2 sin3 t sin pπ (1 + 2x cos t + x 0 2 p < 1, t = (2n + 1)π BI (6)(18) 1 μ−1 x dx π cosec t cosec μπ a sin t · = μ sin t − μ arctan 2 2 μ 2 (1 − x) (1 + 2a cos t + a ) 2 1 + a cos t 0 1 + 2ax cos t + a x 1 [a > 0, 0 < Re μ < 1] BI (6)(21) ∞ (1 − p)π x−p dx π [−2 < p < 1] = cosec LI (18)(3) 3 1 + x 3 3 0 ∞ , + ν π x dx νπ νπ = + β ν cosec − 2γ ν cosec(νπ) γβ ν−1 sec 2 + β2) 2 + γ2) (x + γ) (x 2 (β 2 2 0 [Re β > 0, |arg γ| < π, −1 < Re ν < 2, ν = 0] ET II 216(7) 3.262 3.263 3.264 t = 2nπ] k=0 1. 0 ∞ π ap−2 + bp−2 cos xp−1 dx = (a2 + x2 ) (b2 − x2 ) 2 a2 + b 2 pπ 2 cosec pπ 2 [0 < p < 4, a > 0, b > 0] BI (19)(14) 330 Power and Algebraic Functions ∞ 2. 0 ∞ 3. 0 ∞ 4. 0 dx π 2 = 2 2 2 (b + x ) (a + b + x ) dx π 3 = 4 2 2 (b + x ) (a + b + x ) dx 4 (b + x2 ) (a + b + x2 ) 0 ∞ 6. 0 ∞ 7. 0 1 3.265 0 = ⎛ 0 1 2 |arg γ| < π, 0 < Re μ < 4] ET I 309(4) MC 2 3 1 2 − − − 5/2 3/2 1/2 2 3 a3 b1/2 4a (a + b) a (a + b) a (a + b) π⎝ 2 5 3 − − 7/2 5/2 2 4 a4 b1/2 8a (a + b) 4a (a + b) ⎞ 1 2 ⎠ − − 3/2 1/2 3 4 a (a + b) a (a + b) π 1 π − n−1/2 n 2 an b1/2 2a (a + b) n−1 12 j j=0 j! 1 − n, 1; 2F 1 a+b 3 − n; 2 a AS 263 (6.6.3.2) a a+b j a + b > 0] π β γ x2 dx π = − = 2 2 2 2 2 2 2 2 (x + α ) (x + β ) (x + γ ) 2α (β − γ ) β + α γ + α 2(α + β)(α + γ)(β + γ) ∞ 3.266 μ= 1 1 1 − − 3/2 1/2 2 a2 b1/2 2a (a + b) a (a + b) 1 − xμ−1 dx = ψ(μ) + C 1−x = ψ(1 − μ) + C − π cot(μπ) dx n (b + x2 ) (a + b + x2 ) π 1 1 1 1 = − B n− , n−1/2 2 an b1/2 2 2 2a (a + b) = μ π γ 2 −1 − β 2 −1 μπ xμ−1 dx = cosec 2 2 (β + x ) (γ + x ) 2 β−γ 2 1 π 1 √ −√ = 2(γ − β) γ β [|arg β| < π, ∞ 5. μ 3.265 π (xν − aν ) dx = (x − a)(β + x) a+β [n > 0, [Re μ > 0] FI II 796, WH, ET I 16(13) [Re μ > 0] EH I 16(15)a β aν ln π a [|arg β| < π, |Re ν| < 1, β ν cosec(νπ) − aν cot(νπ) − ν = 0] ET II 216(8) 3.267 1. 2. Γ n + 13 x3n dx 2π √ √ = 3 3 3 Γ 13 Γ(n + 1) 1 − x3 0 1 3n−1 (n − 1)! Γ 23 x dx √ = 3 3 Γ n + 23 1 − x3 0 1 BI (9)(6) BI (9)(7) 3.272 3. ∗ Powers of x and binomials and polynomials 1 0 3.268 Γ n − 13 Γ 23 x3n−2 dx √ = 3 3 Γ n + 13 1 − x3 1 1 pxp−1 − 1 − x 1 − xp 1. 0 2. 3. 331 dx = ln p BI (5)(14) 1 − xμ ν−1 x dx = ψ(μ + ν) − ψ(ν) 0 1−x 1 n n xμ−1 n−k √ − dx = nC + ψ μ+ n 1−x 1− x n 0 1 [Re ν > 0, Re μ > 0] BI (2)(3) k=1 [Re μ > 0] 3.269 1 1. 0 1 2. 0 1 3. 0 3.271 pπ 1 xp − x−p π − x dx = cot 2 1−x 2 2 p pπ xp − x−p 1 π x dx = − cosec 1 + x2 p 2 2 xμ − xν 1 dx = ψ 2 1−x 2 ∞ 1. 0 ∞ 2. 0 4. π xp − xq dx = x−1 x+a 1+a − μ+1 2 1 ψ 2 1 a2p − 1 − ap ln a sin(2pπ) π BI (4)(12) BI (4)(8) [Re μ > −1, ap − cos pπ aq − cos qπ − sin pπ sin qπ π xp − ap xp − 1 dx = x−a x−1 a−1 p2 < 1 p2 < 1, Re ν > −1] q 2 < 1, 1 p2 < 4 a>0 BI (2)(9) BI (19)(2) BI (19)(3) 1 p 2 (a − 1) cot pπ − (a + 1) ln a π 0 2 p <1 BI (18)(9) ∞ p ap+q − 1 ap − aq sin pπ x − ap 1 − x−p q π x dx = + x − a 1 − x a − 1 sin[(p + q)π] sin[(q − p)π] sin qπ 0 (p + q)2 < 1, (p − q)2 < 1 3. ν+1 2 p2 < 1 BI (13)(10) ∞ π xp − ap x−p − 1 dx = x−a x−1 a−1 p BI (19)(4) ∞ 5. 0 3.272 1. 0 1 2 xp − x−p 1−x dx = 2 (1 − 2pπ cot 2pπ) 0 < p2 < 1 4 BI (16)(3) 1 xn−1 + xn− 2 − 2x2n−1 dx = 2 ln 2 1−x BI (8)(8) 332 Power and Algebraic Functions 1 2. 0 3.273 1 1. 0 2 3.273 1 xn−1 + xn− 3 + xn− 3 − 3x3n−1 dx = 3 ln 3 1−x BI (8)(9) (k − 1)!ak−1 sin kt sin t − an xn sin[(n + 1)t] + an+1 xn+1 sin nt p−1 (1 − x) dx = Γ(p) 1 − 2ax cos t + a2 x2 Γ(p + k) n k=1 [p > 0] 1 2. 0 BI (6)(13) (k − 1)!ak−1 cos kt cos t − ax − an xn cos[(n + 1)t] + an+1 xn+1 cos nt p−1 (1 − x) dx = Γ(p) 1 − 2ax cos t + a2 x2 Γ(p + k) n k=1 [p > 0] x 0 1 0 cos kt 1 − x cos t − xn+1 cos[(n + 1)t] + xn+2 cos nt dx = 1 − 2x cos t + x2 k+1 n ∞ 0 1 0 1 1 − xn dx = n+1 (1 + x)n+1 1 − x 2 ∞ 3. 0 3.275 1 1. 0 1 2. 0 1 3. 0 π μπ (μ + 1)π xμ−1 (1 − x) π cosec dx = sin cosec 1 − xn n n n n [0 < Re μ < n − 1] 2. xn−1 pxnp−1 − 1−x 1 − x1/p nxn−1 xmn−1 − n 1−x 1−x xp−1 qxpq−1 − 1−x 1 − xq ∞ % 1. 0 ∞ k=1 b ax + x BI (20)(13) 2k k BI (5)(3) dx = p ln p [p > q] BI (18)(6) [p > 0] BI (13)(9) n−k 1 ψ m+ n n n dx = C + BI (5)(13) k=1 dx = ln q 1 1 − 1 + x2n 1 + x2m 0 3.276 n π qπ xq − 1 dx = tan xp − x−p x 2p 2p 4. 10 BI (6)(11) k=0 1. BI (6)(12) k=1 4. 3.274 sin kt sin t − xn sin[(n + 1)t] + xn+1 sin nt dx = 2 1 − 2x cos t + x k+1 n 1 3. BI (6)(14) [q > 0] BI (5)(12) dx = 0. x BI (18)(17) &−p−1 2 +c x2 dx 1 = 2|b| B p + 12 , 12 1 p+ 2 (2a (b + |b|) + c) a > 0, c > −4ac, p > − 12 3.278 Powers of x and binomials and polynomials 2. ∞ 10 0 3.277 ∞ 11 1. xμ−1 0 % b a+ 2 x ∞ xμ−1 2. √ 1 + x2 + β √ 1 + x2 + 0 ν &−p−1 2 b ax + x +c B p + 12 , 12 1 p+ 2 (4ab + c) a > 0, b > 0, c > −4ac, p > − 12 ν+μ μ μ ν+ μ dx = 2 2 −1 β 2 − 1 2 4 Γ Γ(1 − μ − ν) P μ −12 (β) 2 2 [Re β > −1, 0 < Re μ < 1 − Re ν] ET I 310(25) ,ν β 2 + x2 + x β 2 + x2 dx = 333 dx = β μ+ν−1 1−μ−ν B μ, 2μ 2 [Re β > 0, 0 < Re μ < 1 − Re ν] ET I 311(28) √ ν ∞ μ−1 Γ μ2 Γ(1 − μ − ν) cos t ± i sin t 1 + x2 x 1−μ μ−1 2 2 √ dx = 2 sin t Γ(−ν) 1 + x2 0 μ+1 1 i 1 − μ+1 −2 2 2 −ν 2 × π Q − μ+1 −ν (cos t) ∓ π P μ−1 (cos t) 2 2 2 [Re μ > 0] ET I 311 (27) + ,ν ∞ xμ−1 (β 2 − 1) (x2 + 1) + β √ dx x2 + 1 0 μ−1 1 − μ μ−1 2 2 − 1 iπ(μ−1) Γ μ2 Γ(1 − μ − ν) 2 = √ e 2 Q −2μ+1 −ν (β) β −1 Γ(−ν) 4 π 2 [Re β > 1, Re ν < 0, Re μ < 1 − Re ν] ET I 311(26) 3. 4. ∞ 5. (x − u)μ−1 u 6. 7. ∞ xμ−1 x− [|arg u| < π, 3.2788 ET II 202(10) √ √ ν −ν , x2 − 1 + x − x2 − 1 1−μ+ν 1−μ−ν √ , dx = 2−μ B 2−1 2 2 x 1 ET I 311(29) [Re μ < 1 + Re ν] +√ , √ √ √ 2ν 2ν u (u − x)μ−1 < x+2+ x + x+2− x 1 2μ + 1 1 2 −μ dx = 2 π[u(u + 2)]μ− 2 P ν− 1 (u+ 2 2 x(x + 2) 0 1) + √ 2ν √ 1 2μ−1 12 −μ x+1− x−1 1 2ν+ 2 √ dx = √ e(μ− 2 )πi u2 − 1 4 Q ν− 1 (u) 2 2 π x −1 [|arg(u − 1)| < π, 0 < Re μ < 1 + Re ν] 1. 0 ∞ xp 1 + x2p q dx =0 1 − x2 [pq > 1] Re μ > 0] ET II 186(12) 334 Exponential Functions 3.310 3.3–3.4 Exponential Functions 3.31 Exponential functions ∞ 11 3.310 e−px dx = 0 3.311 ∞ 1. 0 ∞ 2. 0 3.11 1 p [Re p > 0] dx ln 2 = px 1+e p LO III 284a e−μx dx = β(μ) 1 + e−x [Re μ > 0] EH I 20(3), ET I 144(7) ∞ pπ e−px π cosec dx = −qx |q| q −∞ 1 + e [q > p > 0 or 0 > p > q] ∞ 4. 0 ∞ 0 ∞ ak e−qx dx = −px 1 − ae q + kp [0 < a < 1] 1 − eνx dx = ψ(ν) + C + π cot(πν) ex − 1 [Re ν < 1] e 0 − e−νx dx = ψ(ν) + C 1 − e−x 9. 11. Re ν > 0] (cf. 3.231 5) [b > 0, 0 < Re μ < 1] [|arg b| < π, ET I 120(14)a 0 < Re μ < 1] ET I 120(15)a ∞ ∞ 0 0 WH, EH I 16(14) BI (27)(8) 12. EH I 16(16) ∞ −px −qx pπ e −e π cot dx = −(p+q)x p + q p +q 0 1−e ∞ px r−q e − eqx 1 dx = ψ −ψ rx sx −e r−s r−s 0 e 13.∗ [Re μ > 0, e−μx dx = πbμ−1 cot(μπ) −x b − e −∞ ∞ −μx e dx = πbμ−1 cosec(μπ) −x −∞ b + e 10.11 [Re ν > 0] − e−νx dx = ψ(ν) − ψ(μ) 1 − e−x e 0 8. (cf. 3.265) ∞ −μx 7. BI (27)(7) ∞ −x 6. BI (28)(7) k=0 5. (cf. 3.241 2) a −b 1 dx = ψ c x − dx ln dc x x ln ln c b c d −ψ ln ln [p > 0, r−p r−s c a c d q > 0] GW (311)(16c) [r > s, r > p, r > q] [c > a > 0, b > 0, GW (311)(16) d > 0] GW (311)(16a) ∞ −px −qx e +e π cosec dx = −(p+q)x p+q 1+e πp p+q 3.317 3.312 Exponential functions ∞ 1 − e− β x 1. ν−1 e−μx dx = β B(βμ, ν) 335 [Re β > 0, Re ν > 0, Re μ > 0] 0 LI(25)(13), EH I 11(24) ∞ 2. −1 1 − e−x 1 − e−αx 1 − e−βx e−px dx = ψ(p + α) + ψ(p + β) − ψ(p + α + β) − ψ(p) 0 [Re p > 0, 3. ∞ 11 Re p > − Re α, Re p > − Re β, Re p > − Re(α + β)] ν−1 − −μx 1 − e−x 1 − βe−x e dx = B(μ, ν) 2 F 1 (, μ; μ + ν; β) 0 [Re μ > 0, 3.313 1. 7 2.7 3.314 3.315 1. |arg(1 − β)| < π] EH I 116(15) [0 < Re μ < 1] ∞ e−μx dx = B(μ, ν − μ) [0 < Re μ < Re ν] −x )ν −∞ (1 + e ∞ e−μx dx ν = γ exp β μ − B(γμ, ν − γμ) β/γ + e−x/γ ν γ −∞ e ν > Re μ > 0, |Im β| < π Re γ Re γ ET I 120(21) ∞ e−μx dx = exp[γ(μ − ) − βν] B(μ, ν + − μ) 2 F 1 ν, μ; ν + ; 1 − eν−β β + e−x )ν (eγ + e−x ) (e −∞ [|Im β| < π, |Im γ| < π, 0 < Re μ < Re(ν + )] ET I 121(22) π β μ−1 − γ μ−1 e−μx dx = cosec(μπ) −x ) (γ + e−x ) γ−β −∞ (β + e [|arg β| < π, |arg γ| < π, 2. Re ν > 0, ∞ e−μx dx = π cot πμ −x −∞ 1 − e PV ET I 145(15) ∞ 3.316 ∞ β = γ, 0 < Re μ < 2] ET I 120(18) ν (1 + e−x ) − 1 dx = ψ(μ) − ψ(μ − ν) −x )μ −∞ (1 + e [Re μ > Re ν > 0] (cf. 3.235) BI (28)(8) 3.317 ∞ 1. −∞ ∞ 2. −∞ 1 1 − μ 1 + e−x (1 + e−x ) dx = C + ψ(μ) 1 1 ν − μ (1 + e−x ) (1 + e−x ) dx = ψ(μ) − ψ(ν) [Re μ > 0] [Re μ > 0, (cf. 3.233) Re ν > 0] BI (28)(10) (cf. 3.219) BI (28)(11) 336 3.318 1. 2.7 Exponential Functions 3.318 √ √ −ν −ν β + 1 − e−x + β − 1 − e−x √ e−μx dx 1 − e−x 0 (μ−ν)/2 2μ+1 e(μ−ν)πi β 2 − 1 Γ(μ) Q ν−μ μ−1 (β) = Γ(ν) [Re μ > 0] ET I 145(18) ∞ ν 1 √ e−u 1 − e−2x − e−x 1 − e−2u e−μx dx 1 − e−2x u √ 1 u − 1 (μ+ν) √ 2− 2 (μ+ν) πe− 2 (μ+ν) Γ(μ) Γ(ν + 1) P − 21 (μ−ν) 1 − e−2u 2 = Γ[(μ + ν + 1)/2] [u > 0, Re μ > 0, Re ν > −1] ET I 145(19) ∞ 3.32–3.34 Exponentials of more complicated arguments 3.321 1. √ u ∞ 2 π π (−1)k u2k+1 Φ(u) = erf(u) = e−x dx = 2 2 k!(2k + 1) 0 k=0 ∞ k 2k+1 2 2 u = e−u (2k + 1)!! √ 11 k=0 (cf. 8.25) √ 2 2 π Φ(qu) [q > 0] e−q x dx = 2q 0 √ ∞ 2 2 π [q > 0] e−q x dx = 2q 0 u , 2 2 2 2 1 + xe−q x dx = 2 1 − e−q u 2q 0 √ u π 1 2 −q 2 x2 −q 2 u2 Φ(qu) − que x e dx = 3 2q 2 0 u , 2 2 2 2 1 + x3 e−q x dx = 4 1 − 1 + q 2 u2 e−q u 2q 0 √ u 2 2 2 2 3 1 3 π Φ(qu) − + q 2 u2 que−q u x4 e−q x dx = 5 2q 4 2 0 2. 3. 4.∗ 5.∗ 6.∗ 7.∗ 3.322 1.11 ∞ u 2. 0 AD 6.700 u ∞ x2 − γx exp − 4β exp − x2 − γx 4β FI II 624 u βγ 2 dx = πβe 1−Φ γ β+ √ 2 β [Re β > 0] , + dx = πβ exp βγ 2 1 − Φ γ β ET I 146(21) [Re β > 0] NT 27(1)a 3.326 Exponentials of more complicated arguments 3. 11 PV ∞ e ±iλx2 0 3.323 1. 11 2.10 3.11 1 dx = 2 π ±πi/4 e λ [λ > 0] √ π q2 /4 e exp −qx − x dx = 1−Φ 1+ 2 1 √ ∞ q2 π exp −p2 x2 ± qx dx = exp 2 4p p −∞ ∞ γ4 3 γ exp −β 2 x4 − 2γ 2 x2 dx = 2− 2 e 2β2 K 14 β 0 ∞ 2 337 1 q 2 PBM 343 (2.3.15(2)) BI (29)(4) γ4 2β 2 Re p2 > 0 BI (28)(1) + π |arg β| < , 4 |arg γ| < π, 4 ET I 147(34)a 3.324 1. 2. 11 β − γx exp − 4x 0 % ∞ b exp − x − x −∞ ∞ 3.325 0 3.326 ∞ 1.8 0 ∞ 2.10 0 3. ∗ . ∞ ∞ dx = 2n & dx = b exp −ax − 2 x 2 exp (−xμ ) dx = 1 Γ μ xm exp (−βxn ) dx = β K1 βγ γ 1 2n 1 Γ n 1 dx = 2 4.∗ γ= (x − a) exp (−β(x − b) ) dx = (x − a) exp (−β(x − b)n ) dx = 5.∗ ∞ u ET I 146(25) b > 0] FI II 644 [Re μ > 0] n u 0 [a > 0, 1 μ Γ(γ) nβ γ Re γ > 0] [b ≥ 0] √ π exp −2 ab a Γ 0 [Re β ≥ 0, m+1 n [Re β > 0, 2 n n , β(−b) nβ 2/n 2 − (a − b) 2 Γ BI (26)(4) Re m > 0, 1 n n , β(−b) nβ 1/n [Re n > 0, Re n > 0] Re β > 0, |arg b| < π] − Γ n , β(u − b) 2/n 1 nβ Γ n , β(−b)n − Γ n1 , β(u − b)n −(a − b) nβ 1/n [Re n > 0, Re β > 0, |arg b| < π, |arg(u − b)| < π] Γ (x − a) exp (−β(x − b)n ) dx = Γ n n , β(−b) 2 n n , β(−b) 2/n nβ − (a − b) n Γ 1 n , β(u − nβ 1/n [Re n > 0, b)n Re β > 0, |arg(u − b)| < π] 338 Exponential Functions Exponentials of exponentials ∞ 1 3.327 exp (−aenx ) dx = − Ei(−a) n 0 ∞ 3.328 exp (−ex ) eμx dx = Γ(μ) −∞ % & ∞ b a exp (−ceax ) b exp −cebx 3.329 − dx = e−c ln −ax −bx 1 − e 1 − e a 0 3.331 1. ∞ 3.327 [n ≥ 1, Re a ≥ 0, a = 0] LI (26)(5) [Re μ > 0] [a > 0, NH 145(14) b > 0, c > 0] BI (27)(12) exp −βe−x − μx dx = β −μ γ(μ, β) [Re μ > 0] ET I 147(36) exp (−βex − μx) dx = β μ Γ(−μ, β) [Re β > 0] ET I 147(37) 0 ∞ 2. 0 ∞ 3.11 ν−1 μ+ν β 1 − e−x exp βe−x − μx dx = B(μ, ν)β − 2 e 2 M ν−μ , ν+μ−1 (β) 2 0 2 [Re μ > 0, ∞ 4. ν−1 μ−1 β 1 − e−x exp (−βex − μx) dx = Γ(ν)β 2 e− 2 W 0 1−μ−2ν 2 ∞ 3.332 [Re μ > 0, 1. 3 2.3 3.∗ 3.33411 ET I 147(39) Re ν > 0, |arg(1 − λ)| < π] ET I 147(40) ∞ e−μx dx = Γ(μ) ζ(μ) −x ) − 1 −∞ exp (e ∞ e−μx dx = 1 − 21−μ Γ(μ) ζ(μ) −x )+1 −∞ exp (e = ln 2 Re ν > 0] ν−1 − 1 − e−x 1 − λe−x exp βe−x − μx dx = B(μ, ν) Φ1 (μ, , ν, λ, β) 0 3.333 ET I 147(38) (β) , −μ 2 [Re β > 0, Re ν > 0] [Re μ > 1] [Re μ > 0, ET I 121(24) μ = 1] [μ = 1] ET I 121(25) ∞ tanh(x) 1 7 ζ(3) − 2 dx = 2 3 x π2 x cosh (x) 0 ∞ β ν−1 β ν−1 − μx dx = Γ(μ − ν + 1)e 2 β 2 W ν−2μ−1 ,− ν (β) (ex − 1) exp − x 2 2 e −1 0 [Re β > 0, Re μ > Re ν − 1] ET I 137(41) Exponentials of hyperbolic functions ∞ νx e + e−νx cos νπ exp (−β sinh x) dx = −π [Eν (β) + Y ν (β)] 3.335 0 [Re β > 0] EH II 35(34) 3.338 3.336 Exponentials of more complicated arguments ∞ 1. 0 ∞ 2. 0 exp (−νx − β sinh x) dx = π cosec νπ [Jν (β) − J ν (β)] + π π |arg β| < and |arg β| = for Re ν > 0; 2 2 exp (nx − β sinh x) dx = , ν is not an integer 3. 0 WA 341(2) 1 [S n (β) − π En (β) − π Y n (β)] 2 [Re β > 0; ∞ 339 exp (−nx − β sinh x) dx = n = 0, 1, 2, . . .] WA 342(6) 1 (−1)n+1 [S n (β) + π En (β) + π Y n (β)] 2 [Re β > 0; n = 0, 1, 2, . . .] EH II 84(47) 3.337 ∞ 1. −∞ ∞ 2. exp (−νx + iβ cosh x) dx = iπe −∞ ∞ 3. −∞ + π, |arg β| < 2 exp (−αx − β cosh x) dx = 2 K α (β) iνπ 2 exp (−νx − iβ cosh x) dx = −iπe− H (1) ν (β) iνπ 2 H (2) ν (β) WA 201(7) [0 < arg z < π] EH II 21(27) [−π < arg z < 0] EH II 21(30) Exponentials of trigonometric functions and logarithms 3.338 π 1. {exp i [(ν − 1)x − β sin x] − exp i [(ν + 1)x − β sin x]} dx = 2π Jν (β) + i Eν (β) 0 exp [±i (νx − β sin x)] dx = π [Jν (β) ± i Eν (β)] 2. [Re β > 0] EH II 36 [Re β > 0] EH II 35(32) π 0 3. 10 4.6 5.∗ ∞ γ J k (kβ) 1 exp [−γ (x − β sin x)] dx = + 2 [Re γ > 0] γ γ 2 + k2 0 k=1 a + b sin x + c cos x π exp 2π 1 + p sin x + q cos x dx = e−α I 0 (β), 2 − q2 1 + p sin x + q cos x 1 − p −π . a2 − b 2 − c 2 bp + cq − a ; β = α2 − ; with α = 2 2 1−p −q 1 − p2 − q 2 % ∞ & π/4 tan2n x √ exp − dx = ln 2 1 n+ 2 0 n=1 ∞ WA 619(4) 2 p + q2 < 1 340 Exponential Functions 3.339 π 6 3.339 exp (z cos x) dx = π I 0 (z) 0 exp (−p tan x) dx = ci(p) sin p − si(p) cos(p) 1 ∞ pk−1 exp (−px ln x) dx = x−px dx = kk 0 3.341 BI (277)(2)a π 2 [p > 0] BI (271)(2)a 0 1 3.34211 0 BI (29)(1) k=1 3.35 Combinations of exponentials and rational functions 3.351 u 1.8 xn e−μx dx = 0 n! μn+1 − e−uμ n n! k=0 uk k! μn−k+1 = μ−n−1 γ(n + 1, μu) [u > 0, Re μ > 0, n = 0, 1, 2, . . .] ET I 134(5) ∞ 2.11 xn e−μx dx = e−uμ u n n! k=0 uk k! μn−k+1 = μ−n−1 Γ(n + 1, μu) [u > 0, Re μ > 0, n = 0, 1, 2, . . .] ET I 33(4) ∞ 3. xn e−μx dx = n!μ−n−1 [Re μ > 0] ET I 133(3) 0 ∞ −px e 4. xn+1 u e x 1 6. 7.9 8.11 9.7 = (−1)n+1 n−1 pn Ei(−pu) e−pu (−1)k pk uk + n n! u n(n − 1) . . . (n − k) k=0 [p > 0] ∞ −μx 5. dx dx = − Ei(−μ) NT 21(3) [Re μ > 0] BI (104)(10) u ex dx = li (eu ) = Ei(u) [u < 0] −∞ x u 1 1 xe−μx dx = 2 − 2 e−μu (1 + μu) [u > 0] μ μ 0 u 2 1 [u > 0] x2 e−μx dx = 3 − 3 e−μu 2 + 2μu + μ2 u2 μ μ 0 u 6 1 x3 e−μx dx = 4 − 4 e−μu 6 + 6μu + 3μ2 u2 + μ3 u3 μ μ 0 [u > 0] 3.352 1. u −μx e dx = eμβ [Ei(−μu − μβ) − Ei(−μβ)] x+β 0 ∞ −μx 2. u e dx = −eβμ Ei(−μu − μβ) x+β [u ≥ 0, |arg β| < π] [u ≥ 0, |arg(u + β)| < π, ET II 217(12) Re μ > 0] ET I 134(6), JA 3.354 Exponentials and rational functions v −μx 3. u e dx = eαμ {Ei[−(α + v)μ] − Ei[−(α + u)μ]} x+α e dx = −eβμ Ei(−μβ) x+β ∞ −px ∞ −μx Re μ > 0] ET II 217(11) e ET II 251(37) e 0 3.353 [|arg β| < π, dx = e−pa Ei(pa − pu) a − x u p > 0, a < u; for a > u, one should replace Ei(pa − pu) in this formula with Ei(pa − pu) 6.8 7. Re μ > 0] ∞ −μx 0 5. [−α < n, and − α > v, ET I 134 (7) 4. 7 341 dx = e−μa Ei(aμ) a−x [a < 0, BI (91)(4) ∞ eipx dx = iπeiap x − a −∞ Re μ > 0] ∞ 1. u [p > 0] ET II 251(38) (k − 1)!(−μ)n−k−1 e−μx dx (−μ)n−1 βμ −uμ e Ei[−(u + β)μ] = e − (x + β)n (n − 1)!(u + β)k (n − 1)! k=1 [n ≥ 2, |arg(u + β)| < π, n−1 Re μ > 0] ET I 134(10) ∞ 2.7 0 n−1 e−μx dx 1 (−μ)n−1 βμ e Ei(−βμ) = (k − 1)!(−μ)n−k−1 β −k − n (x + β) (n − 1)! (n − 1)! k=1 [n ≥ 2, |arg β| < π, Re μ > 0] ET I 134(9), BI (92)(2) ∞ 3. 0 e−px dx 1 = peαp Ei(−ap) + (a + x)2 a [p > 0, a > 0] LI (281)(28), LI (281)(29) 4. 0 1 xex e dx = − 1. (1 + x)2 2 ∞ 5.7 0 BI (80)(6) xn e−μx dx = (−1)n−1 β n eβμ Ei(−βμ) + (k − 1)!(−β)n−k μ−k x+β k=1 [|arg β| < π, n Re μ > 0] BI (91)(3)a, LET I 135(11) 3.354 ∞ −μx e dx 1 = [ci(βμ) sin βμ − si(βμ) cos βμ] 2 2 β +x β 1. 0 2. 3.7 [Re β > 0, Re μ > 0] BI (91)(7) [Re β > 0, Re μ > 0] BI (91)(8) ∞ xe−μx dx = − ci(βμ) cos βμ − si(βμ) sin βμ β 2 + x2 0 ∞ −μx e dx 1 −βμ e = Ei(βμ) − eβμ Ei(−βμ) 2 2 2β 0 β −x [|arg (±β)| < π, Re μ > 0] BI (91)(14) 342 Exponential Functions 4. 3.355 ∞ xe−μx dx 1 −βμ e = Ei(βμ) + eβμ Ei(−βμ) 2 2 2 0 β − x |arg (±β)| < π, Re μ > 0; for β > 0 one should replace Ei(βμ) in this formula with Ei(βμ) 5.8 BI (91)(15) ∞ e−ipx dx π = e−|ap| 2 + x2 a a −∞ ∞ 1. 0 −μx xe dx (β 2 2 x2 ) + e −px dx − 2 x2 ) (a2 0 ∞ 4.3 0 = p real] ET I 118(1)a 1 {ci(βμ) sin βμ − si(βμ) cos βμ} − βμ [ci(βμ) cos βμ + si(βμ) sin βμ] 2β 3 = 1 {−βμ [ci(βμ) sin βμ − si(βμ) cos βμ]} 2β 2 [Re β > 0, ∞ 3.3 + 2 x2 ) [a = 0, LI (92)(6) ∞ 2. e−μx dx (β 2 0 3.356 3.355 ∞ 1. 0 −px xe dx (a2 2 x2 ) − = = Re μ > 0] 1 (ap − 1)eap Ei(−ap) + (1 + ap)e−ap Ei(ap) 3 4a 2 Im a > 0, p>0 1 −2 + ap e−ap Ei(ap) − eap Ei(−ap) 2 4a 2 Im a > 0, p>0 BI (92)(7) BI (92)(8) LI (92)(9) x2n+1 e−px dx = (−1)n−1 a2n [ci(ap) cos ap + si(ap) sin ap] a2 + x2 n k−1 1 (2n − 2k + 1)! −a2 p2 + 2n p k=1 [p > 0] ∞ 2. 0 BI (91)(12) 2n −px x e 1 dx = (−1)n a2n−1 [ci(ap) sin ap − si(ap) cos ap] + 2n−1 2 2 a +x p [p > 0] ∞ 3. 0 x2n+1 e−px 1 1 dx = a2n eap Ei(−ap) + e−ap Ei(ap) − 2n 2 2 a −x 2 p 4. 0 ∞ k−1 (2n − 2k)! −a2 p2 k=1 BI (91)(11) n k−1 (2n − 2k + 1)! a2 p2 k=1 [p > 0] n x2n e−px 1 1 dx = a2n−1 e−ap Ei(ap) − eap Ei(−ap) − 2n−1 2 2 a −x 2 p [p > 0] BI (91)(17) n k−1 (2n − 2k)! a2 p2 k=1 BI (91)(16) 3.358 Exponentials and rational functions 3.357 1. ∞ a3 0 0 a3 ∞ a3 0 6. 0 ∞ 0 0 a > 0] x e dx 1 −ap e = Ei(ap) − eap Ei(−ap) − 2 ci(ap) sin ap + 2 si(ap) cos ap 4 4 a −x 4a [p > 0, BI (92)(23) a > 0] BI (91)(18) BI (91)(19) 2 −px [p > 0, ∞ BI (92)(22) e−px 1 dx = 3 e−ap Ei(ap) − eap Ei(−ap) + 2 ci(ap) sin ap − 2 si(ap) cos ap 4 4 a −x 4a ∞ 0 4. a > 0] xe−px dx 1 = 2 eap Ei(−ap) + e−ap Ei(ap) − 2 ci(ap) cos ap − 2 si(ap) sin ap 4 4 a −x 4a 3. a > 0] ∞ 0 BI (92)(21) x e dx 1 = {ci(aμ) (cos aμ − sin aμ) a3 − a2 x + ax2 − x3 2 + si(aμ) (cos aμ + sin aμ) + e−aμ Ei(aμ) [p > 0, 2. a > 0] 2 −μx [Re μ > 0, 3.358 1. BI (92)(20) xe−μx dx 1 {− ci(aμ) (sin aμ + cos aμ) = − a2 x + ax2 − x3 2a − si(aμ) (sin aμ − cos aμ) + e−aμ Ei(aμ) [Re μ > 0, ∞ a > 0] e−μx dx 1 = 2 {ci(aμ) (sin aμ − cos aμ) 2 2 3 − a x + ax − x 2a − si(aμ) (sin aμ + cos aμ) + e−aμ Ei(aμ) [Re μ > 0, 5. BI (92)(19) x e dx 1 = {− ci(aμ) (sin aμ + cos aμ) 2 2 3 + a x + ax + x 2 − si(aμ) (sin aμ − cos aμ) − eaμ Ei(−aμ)} [Re μ > 0, ∞ 0 a > 0] 2 −μx a3 4. BI (92)(18) xe dx 1 {ci(aμ) (sin aμ − cos aμ) = a3 + a2 x + ax2 + x3 2a − si(aμ) (sin aμ + cos aμ) − eaμ Ei(−aμ)} [Re μ > 0, 0 a > 0] −μx ∞ 3. e−μx dx 1 = 2 {ci(aμ) (sin aμ + cos aμ) + a2 x + ax2 + x3 2a + si(aμ) (sin aμ − cos aμ) − eaμ Ei(−aμ)} [Re μ > 0, ∞ 2. 343 a > 0] BI (91)(20) x3 e−px dx 1 ap e Ei(−ap) + e−ap Ei(ap) + 2 ci(ap) cos ap + 2 si(ap) sin ap = 4 4 a −x 4 [p > 0, a > 0] BI (91)(21) 344 Exponential Functions ∞ 5. 0 3.359 x4n e−px 1 dx = a4n−3 e−ap Ei(ap) − eap Ei(−ap) + 2 ci(ap) sin ap − 2 si(ap) cos ap 4 4 a −x 4 n k−1 1 (4n − 4k)! a4 p4 − 4n−3 p k=1 [p > 0, ∞ 6. 0 a > 0] BI (91)(22) e 1 dx = a4n−2 eap Ei(−ap) + e−ap Ei(ap) − 2 ci(ap) cos ap − 2 si(ap) sin ap a4 − x4 4 n k−1 1 (4n − 4k + 1)! a4 p4 − 4n−2 p 4n+1 −px x k=1 [p > 0, ∞ 7. 0 a > 0] BI (91)(23) x4n+2 e−px 1 dx = a4n−1 e−ap Ei(ap) − eap Ei(−ap) − 2 ci(ap) sin ap + 2 si(ap) cos ap 4 4 a −x 4 n k−1 1 (4n − 4k + 2)! a4 p4 − 4n−1 p k=1 [p > 0, ∞ 8. 0 a > 0] BI (91)(24) x4n+3 e−px 1 dx = a4n eap Ei(−ap) + e−ap Ei(ap) + 2 ci(ap) cos ap + 2 si(ap) sin ap 4 4 a −x 4 n k−1 1 (4n − 4k + 3)! a4 p4 − 4n p k=1 [p > 0, 3.359 a > 0] BI (91)(25) ∞ (i − x)n e−ipx dx = (−1)n−1 2πpe−p Ln−1 (2p) n 2 −∞ (i + x) i + x =0 for p > 0; for p < 0. ET I 118(2) 3.36–3.37 Combinations of exponentials and algebraic functions 3.361 1.8 2.8 3.8 3.362 u −qx π √ Φ ( qu) q 0 ∞ −qx e π √ dx = q x 0 ∞ −qx e π q √ dx = e q 1 + x −1 1. 1 2. 0 e √ dx = x ∞ −μx e dx √ = x−1 ∞ −μx e dx √ = x+β [q > 0] [q > 0] BI(98)(10) [q > 0] BI (104)(16) π −μ e μ [Re μ > 0] , π βμ + 1−Φ e βμ μ [Re μ > 0, BI (104)(11)a |arg β| < π] ET I 135(18) 3.371 3.363 Exponentials and algebraic functions ∞√ x − u −μx e dx = x 1. u ∞ 2. u 2 1. 0 2. 3. 3.365 e2x dx √ = π I 0 (2) 2 −1 1 − x ∞ −px ap ap e dx = e 2 K0 2 x(x + a) 0 u ∞ u 2u 1. 0 ∞ 2. 0 3.367 ET I 136(26) [p > 0] GW (312)(7a) [u > 0, Re μ > 0] ET I 136(28) xe−μx dx √ = u K 1 (uμ) x2 − u2 [u > 0, Re μ > 0] ET I 136(29) (u − x)e−μx dx √ = πue−uμ I 1 (uμ) 2ux − x2 [Re μ > 0] (x + β)e−μx dx = βeβμ K 1 (βμ) x2 + 2βx [Re μ > 0, xe−μx dx βπ [H1 (βμ) − Y 1 (βμ)] − β = 2 x2 + β 2 0 ∞ exp 2μ cos2 2t e−μx dx √ = 2 sin t 0 (1 + cos t + x) x + 2x ∞ 3.368 0 BI (277)(2)a p > 0] ∞ t − sin t u |arg β| < π] ET I 136(30) , Re μ > 0 ET I 136(27) K 0 (v)e−v cos t dv 0 |arg β| < ∞ GW (312)(8a) ET I 136(31) + π |arg β| < , 2 [Re μ > 0] e−μx dx π 1 [H1 (βμ) − Y 1 (βμ)] − 2 2 = 2βμ β μ x + x2 + β 2 + −μx e dx 2 √ √ = √ − 2 πμeaμ (1 − Φ ( aμ)) 3 a (x + a) 0 ∞ √ 1 2n − 1 −n− 1 1 3 2 μ 3.37111 xn− 2 e−μx dx = π · · . . . 2 2 2 0 √ = π2−n μ−n−1/2 (2n − 1)!! 3.36911 Re μ ≥ 0] [a > 0, xe−μx dx πu √ [L1 (μu) − I 1 (μu)] + u = 2 2 2 u −x 2. [u > 0, ET I 136(23) 1 0 3. e−μx dx π √ √ = √ [1 − Φ ( uμ)] u x x−u e−px dx = πe−p I 0 (p) x(2 − x) 1. 3.366 √ π −uμ √ e − π u [1 − Φ ( uμ)] μ [Re μ > 0] 3.364 345 ET I 136(33) π , 2 [|arg a| < π, , Re μ > 0 ET I 136(32) Re μ > 0] ET I 135(20) [n ≥ 0] [Re μ > 0] ET I 135(17) 346 Exponential Functions 3.372 ∞ 1 1 (2n − 1)!! p xn− 2 (2 + x)n− 2 e−px dx = e K n (p) [p > 0, n = 0, 1, 2, . . .] pn 0 ∞ + n n, x + x2 + β 2 + x − x2 + β 2 e−μx dx = 2β n+1 O n (βμ) 3.372 3.373 GW (312)(8) 0 3.374 1. 2. [Re μ > 0] WA 05(1) √ n x + 1 + x2 1 √ e−μx dx = [S n (μ) − π En (μ) − π Y n (μ)] 2 2 1+x 0 [Re μ > 0] √ n ∞ x − 1 + x2 1 √ e−μx dx = − [S n (μ) + π En (μ) + π Y n (μ)] 2 2 1+x 0 [Re μ > 0] ET I 37(35) ∞ ET I 137(36) 3.38–3.39 Combinations of exponentials and arbitrary powers 3.381 u 1. xν−1 e−μx dx = μ−ν γ(ν, μu) [Re ν > 0] EH I 266(22), EH II 133(1) 0 u 2. p−1 −x x e dx = 0 ∞ (−1)k k=0 = e−u ∞ k=0 up+k k!(p + k) up+k p(p + 1) . . . (p + k) AD 6.705 ∞ 3.8 xν−1 e−μx dx = μ−ν Γ(ν, μu) [u > 0, Re μ > 0] u EH I 256(21), EH II 133(2) ∞ 4. xν−1 e−μx dx = 0 ∞ 5. 0 u ∞ 7. ν u e dx = u− 2 e− 2 W − ν , (1−ν) (u) ν 2 2 x xk−1 eiμx dx = FI II 779 0 < Re ν < 1] EH I 12(32) [u > 0] Γ(k) (−iμ)k WH [0 < Re(k) < 1, μ = 0] GH2 62 (313.14) u xm e−βx dx = n 0 9.∗ Re ν > 0] − ν q xν−1 e−(p+iq)x dx = Γ(ν) p2 + q 2 2 exp −iν arctan p [p > 0, Re ν > 0 and p = 0, 0 8.∗ [Re μ > 0, ∞ −x 6. 1 Γ(ν) μν ∞ u xm e−βx dx = n n γ (v, βu ) nβ v Γ (v, βun ) nβ v v= v= m+1 n m+1 n [u > 0, [u > 0, Re v > 0, Re v > 0, Re n > 0, Re n > 0, Re β > 0] Re β > 0] 3.383 10. ∗ Exponentials and arbitrary powers ∞ xm e−βx dx = n 0 11.∗ γ (v, βun ) + Γ (v, βun ) nβ v v= ∞ 2m −βx2n x e dx = 2 −∞ 347 m+1 n ∞ [u > 0, x2m e−βx 2n Re v > 0, dx = 0 Re β > 0] See also 3.326 1 2 (γ (v, βun ) + Γ (v, βun )) Γ(v) = nβ v nβ v 2m + 1 2n v= Re n > 0, [u > 0, 3.382 u (u − x)ν e−μx dx = (−μ)−ν−1 e−uμ γ(ν + 1, −uμ) 1.6 Re v > 0, [Re ν > −1, Re n > 0, u > 0] Re β > 0] ET I 137(6) 0 ∞ 2. (x − u)ν e−μx dx = μ−ν−1 e−uμ Γ(ν + 1) [u > 0, Re ν > −1, Re μ > 0] u ET I 137(5), ET II 202(11) ∞ 3. [Re μ > 0] (x + β)ν e−μx dx = μ−ν−1 eβμ Γ(ν + 1, βμ) [|arg β| < π, ν 2 0 μ (1 + x)−ν e−μx dx = μ 2 −1 e 2 W − ν , (1−ν) (μ) ∞ 4. WH 2 Re μ > 0] 0 ET I 137(4), ET II 233(10) u 5. (a + x)μ−1 e−x dx = ea [γ(μ, a + u) − γ(μ, a)] [Re μ > 0] EH II 139 0 ∞ (β + ix)−ν e−ipx dx = 0 6. −∞ = [for p > 0] ν−1 βp e 2π(−p) Γ(ν) [for p < 0] [Re ν > 0, ∞ 7. −∞ (β − ix)−ν e−ipx dx = Re β > 0] ET I 118(4) Re β > 0] ET I 118(3) Re ν > 0] ET II 187(14) ν−1 −βp e 2πp Γ(ν) [for p > 0] =0 [for p < 0] [Re ν > 0, 3.383 u xν−1 (u − x)μ−1 eβx dx = B(μ, ν)uμ+ν−1 1 F 1 (ν; μ + ν; βu) 1.11 0 [Re μ > 0, u xμ−1 (u − x)μ−1 eβx dx = 2.11 0 √ π u β μ− 12 exp βu 2 Γ(μ) I μ− 12 βu 2 [Re μ > 0] ∞ 3. u 1 xμ−1 (x − u)μ−1 e−βx dx = √ π u β μ− 12 Γ(μ) exp − βu 2 K μ− 12 [Re μ > 0, ET II 187(13) βu 2 Re βu > 0] ET II 202(12) 348 Exponential Functions 4. ∞ 11 xν−1 (x − u)μ−1 e−βx dx = β − μ+ν 2 u μ+ν−2 2 3.384 Γ(μ) exp − u 5.11 ν−μ 1−μ−ν 2 , 2 (βu) Re βu > 0] ET II 202(13) ∞ ∞ 6. ν p Lν−q p −ν a − sin(πν) Γ(1 − q) a xν−1 (x + β)−ν+ 2 e−μx dx = 2ν− 2 Γ(ν)μ− 2 e 1 1 [|arg β| < π, ∞ 7. q & q−ν p L−q a sin(πq) Γ(1 − ν) [ν = ±1, ±2, . . .] [ν = 0] 1 βμ 2 0 W [Re μ > 0, e−px xq−1 (1 + ax)−ν dx 0 % p π2 = q p Γ(ν) sin [π(q − ν)] a Γ(q) = q p βu 2 Re ν > 0, xν−1 (x + β)−ν− 2 e−μx dx = 2ν Γ(ν)β − 2 e 1 1 βμ 2 [Re q > 0, D 1−2ν 2βμ Re μ ≥ 0, D −2ν 0 Re p > 0, μ = 0] Re a > 0] ET I 39(20), EH II 119(2)a 2βμ [|arg β| < π, Re ν > 0, Re μ ≥ 0] ET I 139(21), EH II 119(1)a ∞ 8. ν−1 x 0 (x + β) e 1 dx = √ π β μ ν− 12 e βμ 2 βμ 2 [|arg β| < π, Γ(ν) K 12 −ν Re μ > 0, Re ν > 0] ET II 233(11), EH II 19(16)a, EH II 82(22)a ∞ 9. u ν−1 −μx (x − u)ν e−μx dx = uν Γ(ν + 1) Γ(−ν, uμ) x [u > 0, Re ν > −1, Re μ > 0] ET I 138(8) ∞ 10. 0 xν−1 e−μx dx = β ν−1 eβμ Γ(ν) Γ(1 − ν, βμ) x+β [|arg β| < π, Re μ > 0, Re ν > 0] EH II 137(3) 3.384 1 1. −1 (1 − x)ν−1 (1 + x)μ−1 e−ipx dx = 2μ+ν−1 B(μ, ν)eip 1 F 1 (μ; ν + μ; −2ip) [Re ν > 0, v 2. Re μ > 0] ET I 119(13) (x − u)2μ−1 (v − x)2ν−1 e−px dx u u+v M μ−ν,μ+ν− 12 (vp − up) 2 Re μ > 0, Re ν > 0] ET I 139(23) = B(2μ, 2ν)(v − u)μ+ν−1 p−μ−ν exp −p [v > u > 0, 3.385 Exponentials and arbitrary powers ∞ 3. (x + β)2ν−1 (x − u)2−1 e−μx dx (β − u)μ (u + β)ν+−1 = exp Γ(2) W ν−,ν+− 12 (uμ + βμ) μν+ 2 [u > 0, |arg(β + u)| < π, Re μ > 0, Re > 0] ET I 139(22) u ∞ 4. ∞ 5. u (x + β) (x − u) 1 1 1 √ (x − u)ν−1 (x + u)−ν+ 2 e−μx dx = √ 2ν− 2 Γ(ν) D 1−2ν (2 uμ) μ [u > 0, Re μ > 0, u 1 1 1 √ (x − u)ν−1 (x + u)−ν− 2 e−μx dx = √ 2ν− 2 Γ(ν) D −2ν (2 uμ) u [u > 0, Re μ ≥ 0, ∞ −μ (β − ix) −∞ (γ − ix)−ν e−ipx dx = 2πe−βp pμ+ν−1 1 F 1 (ν; μ + ν; (β − γ)p) Γ(μ + ν) =0 ∞ 8.6 = ∞ 6 −∞ Re γ > 0, [for p > 0] Re(μ + ν) > 1] (β + ix)−μ (γ + ix)−ν e−ipx dx = 0 −∞ 9. Re ν > 0] [for p < 0] [Re β > 0, Re ν > 0] ET I 139(19) 7.6 ET I 139(17) ET I 139(18) ∞ 6. (β + u)μ 1 − (β+u)μ 2 e dx = νπ cosec(νπ)e k2ν μ 2 [ν = 0, u > 0, |arg(u + β)| < π, Re μ > 0, Re ν < 1] −ν −μx ν u 349 ET I 119(10) [for p > 0] 2πeγp (−p)μ+ν−1 [for p < 0] 1 F 1 [μ; μ + ν; (β − γ)p] Γ(μ + ν) [Re β > 0, Re γ > 0, Re(μ + ν) > 1] ET I 19(11) (β + ix)−2μ (γ − ix)−2ν e−ipx dx β−γ pμ+ν−1 exp p W ν−μ, 12 −ν−μ (βp + γp) [for p > 0] Γ(2ν) 2 β−γ (−p)μ+ν−1 exp p W μ−ν, 12 −ν−μ (−βp − γp) [for p < 0] = 2π(β + γ)−μ−ν Γ(2μ) 2 Re β > 0, Re γ > 0, Re(μ + ν) > 12 ET I 19(12) = 2π(β + γ)−μ−ν 11 3.385 1 xν−1 (1 − x)λ−1 (1 − βx)− e−μx dx = B(ν, λ)Φ1 (ν, , λ + ν, −μ, β) 0 [Re λ > 0, Re ν > 0, |arg(1 − β)| < π] ET I 39(24) 350 Exponential Functions 3.386 3.386 ∞ (ix)ν0 n - νk (βk + ix) e−ipx dx = 2πe−β0 p β0ν0 k=1 1. −∞ β0 − ix % Re ν0 > −1, n Re βk > 0, n - ∞ n - νk (βk + ix) Re νk < 1, π arg ix = sign x, 2 Re νk < 1, π arg ix = sign x, 2 =0 β0 + ix % −∞ Re ν0 > −1, n Re βk > 0, k=0 3.387 1 1.6 −1 2. 1 6 −1 1 − x2 ν−1 e−μx dx = 2 ν−1 iμx 1−x e √ ∞ 1 ∞ 4. ET I 118(8) √ dx = π Γ(ν) I ν− 12 (μ) p>0 ET I 119(9) + Re ν > 0, π, 2 WA 172(2)a |arg μ| < ν− 12 2 μ 2 ν−1 −μx 1 x −1 e dx = √ π & ν− 12 2 μ π Γ(ν) J ν− 12 (μ) [Re ν > 0] 3. p>0 e−ipx dx k=1 2. & k=1 k=0 (ix)ν0 νk (β0 + βk ) 2 μ WA 25(3), WA 48(4)a ν− 12 Γ(ν) K ν− 12 (μ) + π |arg μ| < , 2 , Re ν > 0 WA 190(4)a 2 ν−1 iμx x −1 e dx 1 √ ν− 12 π 2 (1) [Im μ > 0, Re ν > 0] EH II 83(28)a Γ(ν) H 1 −ν (μ) 2 2 μ √ ν− 12 π 2 (2) [Im μ < 0, Re ν > 0] EH II 83(29)a = −i Γ(ν) H 1 −ν (−μ) − 2 2 μ √ u ν− 12 + , 2 π 2u 2 ν−1 μx u −x e dx = Γ(ν) I ν− 12 (uμ) + Lν− 12 (uμ) 2 μ 0 =i 5. [u > 0, ∞ 6. u 2 ν−1 −μx 1 x − u2 e dx = √ π 2u μ Re ν > 0] ET II 188(20)a ν− 12 Γ(ν) K ν− 12 (uμ) [u > 0, Re μ > 0, Re ν > 0] ET II 203(17)a 3.389 Exponentials and arbitrary powers 7. ∞ 2 ν−1 −μx x + u2 e dx = 11 0 √ π 2 ν− 12 2u μ 351 + , Γ(ν) Hν− 12 (uμ) − Y ν− 12 (uμ) [|arg u| < π, 3.388 2u 1. ν−1 −μx √ 2ux − x2 e dx = π 0 2u μ ν− 12 ∞ 0 ν−1 −μx 1 2βx + x2 e dx = √ π 2β μ ν− 12 ET I 138(10) e−uμ Γ(ν) I ν− 12 (uμ) [u > 0, 2. Re μ > 0] Re ν > 0] ET I 138(14) eβμ Γ(ν) K ν− 12 (βμ) [|arg β| < π, Re ν > 0, Re μ > 0] ET I 138(13) ∞ 3. 0 ∞ 4. √ 2 ν−1 −μx i πe (2) x + ix e dx = − ν− 1 Γ(ν) H ν− 1 2 2μ 2 2 ν−1 −μx x − ix e dx = 0 3.389 1. 2.7 iμ 2 √ iμ i πe− 2 1 2μν− 2 Re ν > 0] ET I 138(15) [Re μ > 0, Re ν > 0] ET I 138(16) μ 2 −1 μx μ2 u2 1 1 x2ν−1 u2 − x2 e dx = B(ν, )u2ν+2−2 1 F 2 ν; , ν + ; 2 2 4 0 1 3 1 μ + B ν + , u2ν+2−1 1 F 2 ν + ; , ν + + 2 2 2 2 [Re > 0, Re ν > 0] ! ∞ 2 μ2 u2 !! 1 − ν u2ν+2−2 2ν−1 2 −1 −μx 31 √ u +x x e dx = G 2 π Γ(1 − ) 13 +4 ! 1 − − ν, 0, 12 0 π |arg u| < , Re μ > 0, 2 √ u ν−1 μx π u2ν + x u2 − x2 e dx = 2ν 2 0 u μ 2 ET II 188(21) , Re ν > 0 + , 1 uν+ 2 Γ(ν) I ν+ 12 (μu) + Lν+ 12 (μu) ET II 188(19)a ν−1 −μx 1 √ −1 1 1 π x x2 − u2 e dx = 2ν− 2 μ 2 −ν uν+ 2 Γ(ν) K ν+ 12 (uμ) [Re(uμ) > 0] ∞ 1 μ2 u2 ; 2 4 ET II 234(15)a 1 2 −ν [Re ν > 0] ∞ 4. 5. 2 [Re μ > 0, u 3.7 (1) Γ(ν) H ν− 1 μ 2 ET II 203(16)a −ν −ipx (ix) e dx = πβ −ν−1 e−|p|β 2 + x2 β −∞ + |ν| < 1, Re β > 0, arg ix = , π sign x 2 ET I 118(5) 352 Exponential Functions ∞ 6. 0 ∞ 7. 0 8. xν e−μx 1 (ν − 1)π ν−1 dx = Γ(ν)β exp iμβ + i 2 2 β +x 2 2 (ν − 1)π × Γ(1 − ν, iβμ) + exp −iβμ − i Γ (1 − ν, −iβμ) 2 [Re β > 0, Re μ > 0, Re ν > −1] xν−1 e−μx dx = π cosec(νπ)Vν (2μ, 0) 1 + x2 (β + ix)−ν e−ipx π dx = (β + γ)−ν e−pγ 2 + x2 γ γ −∞ [Re ν > −1, Re ν > 0] ET I 138(9) p > 0, Re β > 0, Re γ > 0] ET I 118(6) Re ν > −1] ET I 118(7) ∞ (β − ix)−ν e−ipx π dx = (β + γ)−ν eγp 2 + x2 γ γ −∞ [p < 0, ∞ 3.391 x + 2β + √ x 2ν − x + 2β − 0 3.392 [Re μ > 0, ET II 218(22) ∞ 9.6 3.391 ∞ x+ 1. 1 + x2 ν e−μx dx = 0 √ x Re β > 0, 2ν Re γ > 0, ν e−μx dx = 2ν+1 β ν eβμ K ν (βμ) μ ET I 140(30) [|arg β| < π, Re μ > 0] 1 ν S 1,ν (μ) + S 0,ν (μ) μ μ [Re μ > 0] ET I 140(25) [Re μ > 0] √ ν ∞ x + 1 + x2 √ e−μx dx = π cosec νπ [J−ν (μ) − J −ν (μ)] 1 + x2 0 [Re μ > 0] √ ν ∞ 1 + x2 − x √ e−μx dx = S 0,ν (μ) − ν S −1,ν (μ) [Re μ > 0] 1 + x2 0 ET I 140(26) ∞ 2. 1 + x2 − x ν e−μx dx = 0 1 ν S 1,ν (μ) − S 0,ν (μ) μ μ 3. 4. ∞ 3.393 0 x + x2 + 4β 2 x3 + 4β 2 x 3.394 0 ∞ ET I 140(28) 2ν e−μx dx = ET I 140(27), EH II 35(33) μπ 3 22ν+3/2 β 2ν J ν+1/4 (βμ) Y ν−1/4 (βμ) − J ν−1/4 (βμ) Y ν+1/4 (βμ) [Re β > 0, Re μ > 0] √ ν+1/2 2 √ 1+ 1+x √ −2iμ e−μx dx = 2 Γ(−ν) D ν 2iμ D ν xν+1 1 + x2 [Re μ ≥ 0, Re ν < 0] ET I 140(33) ET I 140(32) 3.411 3.395 1. 2. 3. Rational functions of powers and exponentials 353 √ ν √ −ν x2 − 1 + x x2 − 1 + x + √ e−μx dx = 2 K ν (μ) 2−1 x 1 [Re μ > 0] √ √ 2ν 2ν ∞ x + x2 − 1 + x − x2 − 1 μ μ 2μ K ν+1/4 K ν−1/4 e−μx dx = 2 π 2 2 x (x − 1) 1 ∞ ET I 140(29) [Re μ > 0] √ √ ν −ν ∞ x + x2 + 1 + cos νπ x + x2 + 1 √ e−μx dx = −π [Eν (μ) + Y ν (μ)] 2+1 x 0 [Re μ > 0] ET I 140(34) EH II 35(34) 3.41–3.44 Combinations of rational functions of powers and exponentials 3.411 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 ∞ 4. 0 x2n−1 dx = (−1)n−1 epx − 1 0 ∞ 6.8 0 [Re μ > 0, 2n 2π p B2n 4n x2n−1 dx = 1 − 21−2n px e +1 [n = 1, 2, . . .] 2π p 2n ∞ 0 FI II 792a [n = 1, 2, . . .] [Re μ > 0, |B2n | 4n FI II 721a Re ν > 0] FI II 792a, WH BI(83)(2), EH I 39(25) x dx π2 = −x 1−e 12 BI (104)(5) ∞ xν−1 e−μx dx = Γ(ν) (μ + n)−ν β n = Γ(ν) Φ(β, ν, μ) 1 − βe−x n=0 [Re μ > 0 and either |β| ≤ 1, 7.11 Re ν > 1] 1 xν−1 dx = ν 1 − 21−ν Γ(ν) ζ(ν) eμx + 1 μ ln 2 5. 1 xν−1 dx = ν Γ(ν) ζ(ν) μx e −1 μ xν−1 e−μx 1 μ dx = ν Γ(ν) ζ ν, −βx 1−e β β β = 1, Re ν > 0; or β = 1, [Re β > 0, Re ν > 1] Re μ > 0, EH I 27(3) Re ν > 1] ET I 144(10) ∞ 8. 0 ∞ 9. 0 10. 0 ∞ xn−1 e−px dx = (n − 1)! 1 + ex ∞ k=1 (−1)k−1 (p + k)n [p > −1; n = 1, 2, . . .] BI (83)(9) π2 xe−x dx = −1 ex − 1 6 (cf. 4.231 3) BI (82)(1) π2 xe−2x dx = 1 − e−x + 1 12 (cf. 4.251 6) BI (82)(2) 354 Exponential Functions ∞ 11. 0 ∞ 12.11 0 13.11 14.7 xe−3x π2 3 dx = − −x e +1 12 4 2n−1 (−1)k−1 xe−(2n−1)x π2 + dx = − 1 + ex 12 k2 ∞ ∞ 15.7 0 17. 18. (cf. 4.251 6) BI (82)(5) (cf. 4.251 5) BI (82)(4) x2 e−nx dx = 2 1 + e−x ∞ k=n [n = 1, 2, . . .] (cf. 4.261 12) k=1 (−1)n+k = (−1)n+1 k3 BI (82)(9) n−1 (−1)k 3 ζ(3) + 2 2 k3 k=1 [n = 1, 2, . . .] (cf. 4.261 11) LI (82)(10) ∞ x e dx = π 3 csc3 μπ 2 − sin2 μπ −x −∞ 1 + e ∞ 3 −nx n−1 1 x e π4 − 6 dx = −x 15 k4 0 1−e 16. BI (82)(3) 2n k=n (cf. 4.251 5) k=1 xe−2nx π 2 (−1)k + dx = 1 + ex 12 k2 0 k=1 ∞ 2 −nx ∞ n−1 1 x e 1 dx = 2 = 2 ζ(3) − −x k3 k3 0 1−e 3.411 2 −μx k=1 ∞ 11 0 ∞ (−1)n+k x3 e−nx dx = 6 = (−1)n+1 −x 1+e k4 k=n [0 < Re μ < 1] ET I 120(17)a (cf. 4.262 5) (−1)k 7 4 π +6 120 k4 n−1 BI (82)(12) k=1 (cf. 4.262 4) ∞ 19.9 0 ∞ 20.9 0 n dx =− e−px e−x − 1 x (−1)k k=0 n ln(p + n − k) k ∞ ∞ 0 1 1 − e−mx dx = (n − 1)! 1 − ex kn m xn−1 (cf. 4.272 11) LI (83)(8) ∞ qk 1 xp−1 dx = p Γ(p) = Γ(p)r−p Φ(q, p, 1) rx e −q qr kp k=1 [p > 0, −1 < q < 1] r > 0, BI (83)(5) ∞ μx xe dx = πβ μ−1 cosec(μπ) [ln β − π cot(μπ)] x −∞ β + e LI (89)(15) k=1 22.7 23. LI (89)(10) n n dx n (p + n − k) ln(p + n − k) e−px e−x − 1 = (−1)k 2 k x 0 LI (82)(13) k=0 21. n [|arg β| < π, 0 < Re μ < 1] BI (101)(5), ET I 120(16)a ∞ 24. −∞ π μπ xeμx dx = cosec −1 ν ν eνx 2 [Re ν > Re μ > 0] (cf. 4.254 2) LI (101)(3) 3.414 Rational functions of powers and exponentials ∞ 25. x 0 26. 27. 28. 29. (cf. 4.231 4) BI (82)(6) ∞ 1 − e−x −x 2π 2 e dx = −3x 1+e 27 0 % & ∞ Γ μ2 + 1 √ 1 − e−μx dx π = ln 1 + ex x Γ μ+1 0 2 ∞ −νx Γ ν2 Γ μ+1 e − e−μx dx 2 = ln μ ν+1 e−x + 1 x Γ 2 Γ 2 0 ∞ px + qx pπ qπ , e − e dx = ln cot tan rx x 2r 2r −∞ 1 + e x LI (82)(7)a [Re μ > −1] [Re μ > 0, [|r| > |p|, BI (93)(4) Re ν > 0] |r| > |q|, BI (93)(6) rp > 0, rq > 0] BI (103)(3) 30. π2 1 + e−x dx = −1 ex − 1 3 355 ∞ + qπ , pπ e − e dx = ln sin cosec rx 1 − e x r r −∞ px qx [|r| > |p|, |r| > |q|, rp > 0, rq > 0] BI (103)(4) ∞ −qx e 31. 0 π qπ cosec p p 2 [0 < q < p] BI (82)(8) [0 < p < q] BI (93)(7) ∞ −px e 32. 0 ∞ 3.412 0 3.413 + e(q−p)x x dx = 1 − e−px ∞ 1. 0 pπ − e(p−q)x dx = ln cot e−qx + 1 x 2q a + be−px a + be−qx − cepx + g + he−px ceqx + g + he−qx dx a+b p = ln x c+g+h q [p > 0, q > 0] 1 − e−βx (1 − e−γx ) e−μx dx Γ(μ) Γ (β + γ + μ) = ln 1 − e−x x Γ(μ + β) Γ(μ + γ) [Re μ > 0, Re μ > − Re β, Re μ > − Re γ, Re μ > − Re(β + γ)] BI (96)(7) (cf. 4.267 25) BI (93)(13) ∞ 1−e qπ dx = ln cosec qx (q−2p)x x 2p e −e 2. 0 (q−p)x 2 e 0 − e−qx 1 + e−(2n+1)x dx 1 + e−x x = ln 3.414 0 BI (95)(6) ∞ −px 3. [0 < q < p] ∞ q(q + 2)(q + 4) · · · (q + 2n)(p + 1)(p + 3) · · · (p + 2n − 1) p(p + 2)(p + 4) · · · (p + 2n)(q + 1)(q + 3) · · · (q + 2n − 1) [Re p > −2n, Re q > −2n] (cf. 4.267 14) BI (93)(11) 1 − e−βx (1 − e−γx ) 1 − e−δx e−μx dx Γ(μ) Γ(μ + β + γ) Γ(μ + β + δ) Γ(μ + γ + δ) = ln 1 − e−x x Γ(μ + β) Γ(μ + γ) Γ(μ + δ) Γ(μ + β + γ + δ) [2 Re μ > |Re β| + |Re γ|+| Re δ|] (cf. 4.267 31) BI (93)(14), ET I 145(17) 356 3.415 Exponential Functions ∞ 1. 0 1 x dx = ln (x2 + β 2 ) (eμx − 1) 2 βμ 2π − π −ψ βμ 3.415 βμ 2π [Re β > 0, Re μ > 0] BI (97)(20), EH I 18(27) ∞ 2.11 x dx (x2 0 + 2 β2) (e2πx 1 1 1 ψ (β) − 2+ 3 8β 4β 4β − 1) ∞ 1 |B2k+2 | ∼ 4β 4 β 2k =− k=0 [asymptotic expansion for Re β > 0] ∞ 3.11 0 ∞ 4.8 ∞ 1. 0 ∞ 2. 0 3. x dx (x2 0 3.416 1 x dx = ψ (x2 + β 2 ) (eμx + 1) 2 ∞ 8 0 + 2 β2) (e2πx + 1) = βμ 1 + 2π 2 − ln 1 1 1 ψ β+ − 2 4β 4β 2 βμ 2π BI(97)(22), EH I 22(12) [Re β > 0, Re μ > 0] [Re β > 0, Re μ > 0] 1 2n − 1 dx (1 + ix)2n − (1 − ix)2n = i e2πx − 1 2 2n + 1 [n = 1, 2, . . .] BI (88)(4) 1 (1 + ix)2n − (1 − ix)2n dx = πx i e +1 2n + 1 [n = 1, 2, . . .] BI (87)(1) , 1 + (1 + ix)2n−1 − (1 − ix)2n−1 dx 2n = 1 − 2 B 2n i eπx + 1 2n [n = 1, 2, . . .] 3.417 1. 2. 3.418 1.6 2.6 3. ∞ b x dx π ln = 2 ex + b2 e−x a 2ab a −∞ ∞ x dx π2 = 2 x 2 −x 4ab −∞ a e − b e 1 1 x dx = ψ x + e−x − 1 e 3 3 0 ∞ −x 1 1 xe dx = ψ x + e−x − 1 e 6 3 0 ln 2 π x dx = ln 2 x + 2e−x − 2 e 8 0 BI (87)(2) ∞ [ab > 0] (cf. 4.231 8) (cf. 4.231 10) 2 − π 2 = 1.1719536193 . . . 3 5 2 − π = 0.3118211319 . . . 6 BI (101)(1) LI (101)(2) LI (88)(1) LI (88)(2) BI (104)(7) 3.421 3.419 Rational functions of powers and exponentials ∞ 2 (ln β) x dx = x −x ) 2(β − 1) −∞ (β + e ) (1 + e 1. 357 [|arg β| < π] (cf. 4.232 2) BI (101)(16) 2. ∞ x dx −∞ (β 2 + ex ) (1 − e−x ) = π + (ln β) 2(β + 1) 2 + [|arg β| < π] 2 BI (101)(17) , π 2 + (ln β) ln β x2 dx = x −x ) 3(β + 1) −∞ (β + e ) (1 − e 3. ∞ (cf. 4.232 3) [|arg β| < π] (cf. 4.261 4) BI (102)(6) + 2 π 2 + (ln β) x3 dx = x −x ) 4(β + 1) −∞ (β + e ) (1 − e 4. ∞ ,2 [|arg β| < π] (cf. 4.262 3) BI (102)(9) + 2 π 2 + (ln β) x4 dx = x −x ) 15(β + 1) −∞ (β + e ) (1 − e 5. ∞ ,2 , + 2 7π 2 + 3 (ln β) ln β (cf. 4.263 1) 6. 11 2 π 2 + (ln β) x5 dx = x −x ) 6(β + 1) −∞ (β + e ) (1 − e 7. + ∞ + ,2 − 4π 2 + (ln β) (x − ln β) x dx = x −x ) 6(β − 1) −∞ (β − e ) (1 − e ∞ BI (102)(10) , + 2 3π 2 + (ln β) 2 (cf. 4.264 3) , BI (102)(11) ln β [|arg β| < π] (cf. 4.257 4) BI (102)(7) 3.421 ∞ 1. 0 −νx n −ρx m dx e e −1 − 1 e−μx 2 x = n k=0 (−1)k m n m (−1)l k l l=0 × {(m − l)ρ + (n − k)ν + μ} ln [(m − l)ρ + (n − k)ν + μ] [Re ν > 0, 2. 0 ∞ Re μ > 0, Re ρ > 0] BI (89)(17) n n n dx 1 (ρ + kν + 1)2 1 − e−νx 1 − e−ρx e−x 3 = (−1)k k x 2 k=0 n n 1 (kν + 1)2 ln(kν + 1) × ln(ρ + kν + 1) + (−1)k−1 k 2 k=1 [n ≥ 2, Re ν > 0, Re ρ > 0] BI (89)(31) 358 Exponential Functions 3.422 π β μ−1 ln β − γ μ−1 ln γ π 2 β μ−1 − γ μ−1 cos μπ xe−μx dx = + −x ) (γ + e−x ) (β − γ) sin μπ (γ − β) sin2 μπ −∞ (β + e [|arg β| < π, |arg γ| < π, β = γ. 0 < Re μ < 2] 3. ∞ ∞ 4. 0 ∞ 5. 0 ET I 120(19) −px (p + s + 1)(q + r + 1) dx e = ln − e−qx e−rx − e−sx e−x x (p + r + 1)(q + s + 1) [p + s > −1, p + r > −1, q > p] (cf. 4.267 24) BI (89)(11) dx 1 − e−px 1 − e−qx 1 − e−rx e−x x = (p + q + 1) ln(p + q + 1) +(p + r + 1) ln(p + r + 1) + (q + r + 1) ln(q + r + 1) −(p + 1) ln(p + 1) − (q + 1) ln(q + 1) − (r + 1) ln(r + 1) −(p + q + r) ln(p + q + r) [p > 0, 3.423 1. (cf. 4.268 3) ∞ 2 ∞ xν−1 e−μx 2 (ex − 1) 0 dx = Γ(ν) [ζ(ν − 1) − ζ(ν)] q −px x e (1 − 0 ∞ 4.7 dx 2 ae−px ) xν−1 e−μx = ∞ Γ(q + 1) ak apq+1 k=1 −∞ (β + 2 ex ) [a < 1, kq [Re ν > 0, xex dx ET I 313(10) Re ν > 2] q > −1, ET I 313(11) p > 0] BI (85)(13) dx = Γ(ν) [Φ(β; ν − 1; μ) − (μ − 1) Φ(β; ν; μ)] 2 ∞ BI (102)(8)a dx = Γ(ν) [ζ(ν − 1, μ + 2) − (μ + 1) ζ(ν, μ + 2)] (1 − βe−x ) 0 [Re ν > 2] [Re μ > −2, ∞ 3.8 xν−1 (ex − 1) 6 BI (89)(14) ∞ 0 5. r > 0] −π 2 x(x − a)eμx dx = cosec2 μπ [(eαμ + 1) ln μ − 2π cot μπ (eαμ − 1)] x −x ) ea − 1 −∞ (β − e ) (1 − e [a > 0, |arg β| < π, |Re μ| < 1] (cf. 4.257 5) 3.422 2. q > 0, = 1 ln β β Re μ > 0, |arg(1 − β)| < π] [|arg β| < π] (cf. 9.550) ET I 313(12) (cf. 4.231 5) BI (101)(10) 6.∗ t x5 0 e−x (1 − 2 e−x ) ∞ e−kt 5 y + 5y 4 + 20y 3 + 60y 2 + 120y + 120 5 k k=1 ∞ 5 −t/2 e−kt 4 t e −5 = 120 ζ(5) − y + 4y 3 + 12y 2 + 24y + 24 2 sinh(t/2) k5 k=1 y = kt dx = 120 ζ(5) − 3.427 Rational functions of powers and exponentials 3.424 1.7 ∞ (1 + a)ex − a (1 − ex ) 0 ∞ 2. (1 + a)ex + a (1 + ex ) 0 3. ∞ ∞ −∞ 1. 7 2 ∞ [a > −1, n = 1, 2, . . .] BI (85)(14) dx = π2 2ab [ab > 0] BI (102)(3)a dx = b π ln ab a [ab > 0] BI (102)(1) x2 dx = 2 2 π −2 3 BI (85)(7) ∞ (a2 ex ∞ ∞ 0 ∞ 7 0 ∞ 3. 0 ∞ 4. 0 0 0 + 2 ex ) (1 + (ex − ae−x ) x2 dx 2 = (ln a) a−1 = π 2 + (ln a) a+1 1 1 − 1 − e−x x e−x dx = C 1 1 − 2 1 + e−x e−2x 1 π dx = ln x 2 4 ∞ 1 −2x 1 e − x 2 e +1 eμx − 1 −μ 1 − e−x BI (102)(5) BI (102)(12) dx = ψ(μ) 1 1 1 − + 2 x ex − 1 p > 0] 2 + ex ) (1 − e−x ) e−x e−μx + −x x e −1 [a > 0, 2 2 e−x ) 2 1 p p , ln a B ap+1 2 2 e−μx 1 dx = ln Γ(μ) − μ − x 2 BI (102)(13) [Re μ > 0] (cf. 4.281 4) (cf. 4.281 1) WH BI (94)(1) BI (94)(5) ln μ + μ − [Re μ > 0] ∞ 5. 6. =− p+1 e−x ) (ex − ae−x ) x2 dx −∞ (a 3.427 1. + n > 0] BI(101)(13), LI(101)(13) 2 x a e − e−x x2 dx −∞ (a 2. BI (85)(15) ∞ −∞ 2. + 2 2x 2 −x b e ) (ex − 1) 2.7 1. (a2 ex n = 1, 2, . . .] √ π Γ n − 12 1 xex dx a −C−ψ n− = 2 ln 2 2 2x n 4a2n−1 b Γ(n) 2b 2 −∞ (a + b e ) [ab > 0, 3.426 − e − e−x + 2 0 3.425 2 ex ∞ (−1)k (a + k)n [a > −1, k=1 2 2x b2 e−x ) ∞ x 5. e−ax xn dx = n! a2 ex − b2 e−x 4. 2 e−ax xn dx = n! ζ(n, a) a2 ex + b2 e−x −∞ (a 2 359 dx 1 = − ln π x 2 1 ln(2π) 2 WH BI (94)(6) e−x dx = − ln Γ(μ) − ln sin(πμ) + ln π x [Re μ < 1] EH I 21(6) 360 Exponential Functions ∞ e−νx e−μx − 1 − e−x x 7. 0 ∞ n e−μx − x 1 − e−x/n 8. 0 ∞ μ− 9. 0 ∞ 1−e 1 − e−x νe−x − 10. 0 ∞ 11. −μx dx = ln μ − ψ(ν) 3.428 (cf. 4.281 5) BI (94)(3) [Re μ > 0, BI (94)(4) e−x dx = n ψ(nμ + n) − n ln n e −x x [Re μ > −1] dx = ln Γ(μ + 1) e−μx − e−(μ+ν)x ex − 1 n = 1, 2, . . .] WH dx Γ(μ + ν + 1) = ln x Γ(μ + 1) [Re μ > −1, , + −1 (1 − ex ) + x−1 − 1 e−xz dx = ψ(z) − ln z Re ν > 0] [Re z > 0] BI (94)(8) EH I 18(24) 0 3.428 1. ∞ νe−μx − 0 1 −x 1 e−1 − e−μνx e − μ μ 1 − e−x dx 1 = ln Γ(μν) − ν ln μ x μ [Re μ > 0, ∞ n−1 n−1 e(1−μ)x e−nμx + + + −x x/n 2 1−e 1 − e−x 1−e 2. 0 e−x n−1 1 dx = ln 2π − nμ + x 2 2 [Re μ > 0, ∞ nμ − 3. 0 −νx −μνx x μx e e e e − − + 1 − ex 1 − eμx 1 − ex 1 − eμx 0 6. e−x dx = x n−1 ln Γ μ − k=0 [Re μ > 0, ∞ 4. 5. n e(1−μ)x n−1 − − −x 2 1−e 1 − ex/n Re ν > 0] n = 1, 2, . . .] BI (94)(18) ln n BI (94)(14) k +1 n n = 1, 2, . . .] BI (94)(13) dx = ν ln μ x [Re μ > 0, Re ν > 0] LI (94)(15) 1 dx μe−μx μ + 1 −μx − + aμ − + (1 − aμ)e−x e x −μx e −1 1−e 2 x 0 1 μ−1 ln(2π) + − aμ ln μ = 2 2 [Re μ > 0] BI (94)(16) ∞ −νx −μνx −μx 1 dx e μ−1 e (μ − 1)e μ − 1 −μ e x = ln(2π) + − μν ln μ − − − −x −μx −μx 1−e 1−e 1−e 2 x 2 2 0 [Re μ > 0, Re ν > 0] (cf. 4.267 37) BI (94)(17) ∞ ∞ 7. 0 3.429 0 (1 − e−νx ) (1 − e−μx ) dx −x = ln B(μ, ν) 1−e − 1 − e−x x [Re μ > 0, ∞ −x dx = ψ(μ) e − (1 + x)−μ x [Re μ > 0] Re ν > 0] BI (94)(12) NH 184(7) 3.437 3.431 Rational functions of powers and exponentials ∞ 1 −1 Γ(ν + 3) e−μx − 1 + μx − μ2 x2 xν−1 dx = 2 ν(ν + 1)(ν + 2)μν [Re μ > 0, −2 > Re ν > −3] 1. 0 ∞ 2. 0 361 −px 1 −2 1 −1 −x dx = −1 + p + x − x (x + 2) 1 − e e 2 2 LI (90)(5) ln 1 + 1 p [Re p > 0] 3.432 ∞ 1. 0 n n n 1 xν−1 e−mx e−x − 1 dx = Γ(ν) (−1)k k (n + m − k)ν k=0 [n = 0, 1, . . . , Re ν > 0] ∞ 2. + ν−1 , xν−1 e−x − e−μx 1 − e−x dx = Γ(ν) − 0 ∞ 3.433 % xp−1 e−x + 0 n (−1)k k=1 xk−1 (k − 1)! LI (90)(10) Γ(μ) Γ(μ + ν) [Re μ > 0, ET I 144(6) Re ν > 0] LI (81)(14) & dx = Γ(p) [−n < p < −n + 1, n = 0, 1, . . .] FI II 805 3.434 ∞ −νx e 1. xρ+1 0 ∞ −μx e 0 dx = ∞ 1. ν − e−νx dx = ln x μ (x + 1)e−x − e− 2 x 0 ∞ 2.11 0 ∞ 3. 0 ∞ 4. 0 ∞ 3.436 0 ∞ 3.437 0 μρ − ν ρ Γ(1 − ρ) ρ [Re μ > 0, Re ν > 0, Re ρ < 1] BI (90)(6) 2. 3.435 − e−μx e−μx − 1 1 + ax Re ν > 0] dx = 1 − ln 2 x 1 1 − e−μx dx = ln (βμ) + C − eβμ Ei(−βμ) x(x + β) β 1 − e−x 1+x [Re μ > 0, LI (89)(19) [|arg β| < π, Re μ > 0] dx =C x dx a = ln − C x μ FI II 634 ET II 217 (18) FI II 7 95, 802 [a > 0, e−npx − e−nqx e−mpx − e−mqx dx m − = (q − p) ln 2 n m x n −px dx 1 − e = p ln p − p [p > 0] pe−x − x x Re μ > 0] [p > 0, BI (92)(10) q > 0] BI (89)(28) BI (89)(24) 362 3.438 Exponential Functions ∞ dx ln 2 − 1 = x 2 2 2 −px p −x p dx p p2 11 1−e e − − 2− = ln p − p3 3 6 2x x x x 6 36 1 1 + 2 x 1. 0 3.438 ∞ 2.7 0 e−x − 1 −x e 2 x BI (89)(19) [p > 0] ∞ 0 dx = 1 − ln 2 x x dx x + 2 −px = e − e− 2 e−x + 2x x e−x − e−2x − 3. ∞ p− 4. 0 1 2 BI (89)(33) 1 −2x e x BI (89)(25) 1 2 p− (ln p − 1) [p > 0] ∞ (p − q)e−rx + 3.439 0 ∞ 3.441 0 3.442 ∞ 1. 0 0 ∞ 3. 0 3.443 ∞ 1. 0 ∞ 2. 0 0 r dx = p ln p − q ln q − (p − q) 1 + ln x m [p > 0, q > 0, r > 0] LI(89)(26), LI(89)(27) dx (p − r)e−qx + (r − q)e−px + (q − p)e−rx = (r − q)p ln p + (p − r)q ln q + (q − p)r ln r x2 [p > 0, q > 0, r > 0] (cf. 4.268 6) BI (89)(18) 1− 1 dx x+2 = −1 + q + 1 − e−x e−qx 2x x 2 e−x − 1 1 + x 1+x ln q+1 q e−px − 1 1 + a2 x2 BI (89)(23) dx =C−1 x BI (92)(16) dx a = −C + ln x p e−x p2 p 1 − e−px − + 2 x x2 dx p2 3 = ln p − p2 x 2 4 [p > 0] BI (92)(11) [p > 0] BI (89)(32) n (1 − e−px ) e−qx 1 dx = (−1)k−1 (q + kp)2 ln(q + kp) 3 k x 2 n n k=2 [n > 2, 3. BI (89)(22) [q > 0] ∞ 2. 1 −mpx e − e−mqx mx ∞ q > 0, pn + q > 0] (cf. 4.268 4) 2 dx 1 − e−px e−qx 2 = (2p + q) ln(2p + q) − 2(p + q) ln(p + q) + q ln q x [q > 0, 2p > −q] BI (89)(30) (cf. 4.268 2) BI (89)(13) 3.456 Powers and algebraic functions of exponentials 363 3.45 Combinations of powers and algebraic functions of exponentials 3.451 1. 2. 3.452 √ 4 4 − ln 2 xe−x 1 − e−x dx = 3 3 0 ∞ π 1 + ln 2 xe−x 1 − e−2x dx = 4 2 0 ∞ ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 ∞ 4. 0 ∞ 5. 0 3.453 ∞ 1. 0 1. ∞ 11 0 ∞ 2. 0 3.455 1. 2. 3.456 BI (99)(5) BI (99)(6) xe−x dx √ = 1 − ln 2 e2x − 1 BI (99)(8) 7 xe−2x dx 3 √ x = π ln 2 − 4 12 e −1 BI (99)(7) dx b xex 2π √ x ln 1 + = 2 x 2 2 a e − (a − b ) e − 1 ab a [ab > 0] (cf. 4.298 17) BI (99)(16) b xex dx 2π √ arctan = ab a − (a2 + b2 )] ex − 1 [ab > 0] (cf. 4.298 18) BI (99)(17) xe−2nx dx (2n − 1)!! π √ = 2x (2n)!! 2 e −1 ln 2 + xe−(2n−1)x dx (2n − 2)!! √ =− (2n − 1)!! e2x − 1 0 2n (−1)k k=1 ln 2 + LI (99)(10) k 2n−1 k=1 (−1)k k LI (99)(9) ∞ x2 ex dx < = 8π ln 2 3 0 (ex − 1) ∞ x3 ex dx π2 2 < = 24π (ln 2) + 12 3 0 (ex − 1) 1. BI (99)(2) xe−x dx π √ x = [2 ln 2 − 1] 2 e −1 [a2 ex 0 (cf. 4.241 9) FI II 643a,BI(99)(4) x2 dx π2 2 √ x = 4π (ln 2) + 12 e −1 ∞ 2. 3.454 x dx √ x = 2π ln 2 e −1 BI (99)(1) ∞ x dx π π √ √ √ = ln 3 + 3 3x 3 3 3 3 e −1 BI (99)(11) BI (99)(12) BI (99)(13) 364 Exponential Functions π π < = √ ln 3 − √ 2 3 3 3 3 3 (e3x − 1) ∞ x dx 2. 0 3.457 ∞ 1. 0 ∞ x xe dx −∞ (a −∞ + ∞ 3. 3.458 n+3/2 ex ) = BI (99)(3) 2 [ln(4a) − 3C − 2 ψ(2n) − ψ(n)] (2n + 1)an+1/2 BI (101)(12) x dx 1 μ μ , ln a B μ =− μ −x 2a 2 2 +e ) p−1 xex (ex − 1) 0 BI (99)(14) (cf. 4.241 5) (a2 ex ln 2 1.7 2. (cf. 4.244 3) n−1/2 (2n − 1)!! π [C + ψ(n + 1) + 2 ln 2] xe−x 1 − e−2x dx = 4 · (2n)!! 2. 3.457 [a > 0, Re μ > 0] BI (101)(14) % & ∞ (−1)k−1 1 ln 2 + dx = p p+k+1 BI (104)(4) k=0 ∞ xex dx −∞ (a + ν+1 ex ) 1 [ln a − C − ψ(ν)] νaν % & ν−1 1 1 = ν ln a − νa k = [a > 0] [a > 0, ν = 1, 2, . . .] k=1 BI (101)(11) 3.46–3.48 Combinations of exponentials of more complicated arguments and powers 3.461 ∞ −p2 x2 e 1. x2n u √ (−1)n 2n−1 p2n−1 π [1 − Φ(pu)] dx = (2n − 1)!! 2 2 n−1 e−p u (−1)k 2k+1 (pu)2k + 2n−1 2u (2n − 1)(2n − 3) · · · (2n − 2k − 1) k=0 ∞ 2. x2n e−px dx = 2 0 ∞ 3. x2n+1 e−px dx = 2 0 ∞ 6.∗ ∞ π p [p > 0, n = 0, 1, . . .] [p > 0] FI II 743 BI (81)(7) (2a)2k n! (2n − 1)!! √ k π (−1) 2n (2k)!(n − k)! k=0 2 dx 1 √ √ = e−μu − μπ [1 − Φ (u μ)] 2 x u u ∞ exp −a x2 + b2 dx = b K 1 (ab) 0 NT 21(4) n 2 −∞ [p > 0] n! 2pn+1 (x + ai)2n e−x dx = 4. 5.11 (2n − 1)!! 2(2p)n e−μx 2 BI (100)(12) + π |arg μ| < , 2 [Re a > 0, , u>0 Re b > 0] ET I 135(19)a 3.462 7. ∗ Exponentials of complicated arguments and powers ∞ 0 8.∗ 9.∗ [Re a > 0, 2 3 12b 3b x4 exp −a x2 + b2 dx = 3 K 2 (ab) + 2 K 1 (ab) a a Re b > 0] [Re a > 0, 3 4 90b 15b x6 exp −a x2 + b2 dx = 4 K 3 (ab) + 3 K 2 (ab) a a Re b > 0] ∞ [Re a > 0, Re b > 0] γ √ 2β [Re β > 0, Re ν > 0] 0 3.462 2b b2 K 0 (ab) x2 exp −a x2 + b2 dx = 2 K 1 (ab) + a a ∞ 0 ∞ 1. xν−1 e−βx 2 −γx dx = (2β)−ν/2 Γ(ν) exp 0 ∞ xn e−px 2 2.8 +2qx 1 2n−1 p ∞ (ix)ν e−β 2 x2 −iqx dx = 2− 2 ν −∞ ∞ 4. −∞ ∞ 2 −2νx dx = 0 6. 7.11 8. 9.∗ EH II 119(3)a, ET I 313(13) n−1 ∞ p 4q 2 [p > 0] BI (100)(8) [p > 0] LI (100)(8) k √ −ν−1 q q2 √ πβ exp − 2 D ν 8β β 2 , + π 2 Re β > 0, Re ν > −1, arg ix = sign x 2 √ xn exp −(x − β)2 dx = (2i)−n π H n (iβ) xe−μx 5.11 D −ν k=0 3.11 γ2 8β 2 π d qeq /p p dq n−1 n/2 n 2 π q 1 = n!eq /p p p (n − 2k)!(k)! dx = −∞ 365 ν 1 − 2μ 2μ π νμ2 e 1 − erf μ EH II 195(31) ν √ μ + π |arg ν| < , 2 , Re μ > 0 q2 π exp [Re p > 0] p p −∞ ∞ 2 ν π 2ν 2 + μ νμ2 ν e x2 e−μx −2νx dx = − 2 + 1 − erf √ 2μ μ5 4 μ 0 , + π |arg ν| < , Re μ > 0 2 ∞ 2 2 ν2 π 1 ν x2 e−μx +2νx dx = [|arg ν| < π, Re μ > 0] 1+2 eμ 2μ μ μ −∞ ∞ n 1 e±a e−βx ±a dx = Γ [Re β > 0, Re n > 0] 1/n n nβ 0 xe−px 2 +2qx dx = q p ET I 121(23) ET I 146(31)a BI (100)(7) ET I 146(32) BI (100)(8)a 366 10. Exponential Functions ∗ ∞ (x − a)e−β(x−a) dx = eaβ 0 11.∗ ∞ (x − a)e−β(x+a) dx = e−aβ 0 12.∗ ∞ 13.∗ ∞ u 15. am e±pb/a pb Γ m + 1, pu ± m+1 p a (ax ± b)m e−px dx = 16.∗ 17. ∗ 0 18.∗ e−px pn−1 e±pb/a pb dx = Γ −n + 1, pu ± n (ax ± b) an a u e−px pn−1 e±pb/a pb dx = Γ −n + 1, ± (ax ± b)n an a ∞ x−a b 19. 20.∗ 21.∗ 22.∗ 23.∗ j exp −β x−a b k bΓ dx = ! ! !arg ! p > 0, ! ! !arg ! ! ! !arg ! p > 0, ∞ 0 ∗ am e±pb/a pb Γ m + 1, ± pm+1 a e−px pn−1 e±pb/a pb dx = Γ −n + 1, ± (ax ± b)n an a u p > 0, ! b !! < π a ! b ±u a pb − Γ m + 1, pu ± a ! ! u > 0, p > 0, !!arg ∞ 0 [Re β > 0] (ax ± b)m e−px dx = 0 ∗ (1 − aβ) β2 am e±pb/a pb Γ m + 1, ± pm+1 a u 14.∗ [Re β > 0] (ax ± b)m e−px dx = 0 (1 − aβ) β2 3.462 u > 0, ! b !! <π a ! ! ! !arg ! p > 0, pb − Γ −n + 1, pu ± a u > 0, p > 0, j+1 k ,β ! ! !arg ! a k −b kβ (j+1)/k + a arg − > 0, b ! ! !<π ! ! ! b ± u !! < π a ! ! b ± u !! < π a ! ! b ± u !! < π a , Re b > 0, Re β > 0, Re k > 0 ∞ −βxn Γ(z, βun ) 1−m [u > 0, z= m z x nβ n u √ ∞ exp −a x + b2 √ dx = K 0 (ab) x2 + b2 0 √ ∞ 2 x exp −a x + b2 b √ dx = K 1 (ab) 2 + b2 a x 0 √ ∞ 4 x exp −a x + b2 3b2 √ dx = 2 K 1 (ab) 2 2 a x +b 0 √ ∞ 6 2 x exp −a x + b 15b3 √ dx = 3 K 3 (ab) a x2 + b2 0 e dx = Re β > 0, Re n > 0, Re z > 0] [Re a > 0, Re b > 0] [Re a > 0, Re b > 0] [Re a > 0, Re b > 0] [Re a > 0, Re b > 0] 3.471 24. ∗ Exponentials of complicated arguments and powers ∞ 0 25.∗ ∞ 0 ∞ √ x2n exp −a x + b2 √ dx = (2n − 1)!! x2 + b2 exp −px2 1 √ dx = exp 2 2 2 a +x a2 p 2 K0 b a 367 n K n (ab) a2 p 2 [Re a > 0, Re b > 0] [Re a > 0, Re b > 0] dx 1 = C x 2 0 ∞ dx √ √ √ −μx2 −νx2 e 3.464 −e = π ν− μ [Re μ > 0, Re ν > 0] 2 x 0 ∞ 2 π μ+β 1 + 2βx2 e−μx dx = 3.465 [Re μ > 0] 2 μ3 0 3.466 ∞ −μ2 x2 + e π β 2 μ2 Re β > 0, |arg μ| < e dx = [1 − Φ(βμ)] 1. 2 2 2β 0 x +β √ ∞ 2 −μ2 x2 + x e π πβ μ2 β 2 − e 2. dx = [1 − Φ(βμ)] Re β > 0, |arg μ| < x2 + β 2 2μ 2 0 1 x2 ∞ e −1 1 3. dx = 2 x k!(2k − 1) 0 3.463 e−x − e−x 2 ∞ e−x − 2 0 1. 2. 3.469 ∞ dx 1 =− C x 2 1 1 + x2 ∞ 1. ∞ 2. e−μx 4 −2νx2 dx = e−x − e−x 4 0 ∞ 3. e−x − e−x 4 2 0 3.471 1. u exp − 0 2. 0 π, 4 π, 4 NT 19(13) ET II 217(16) FI II 683 2 0 ET I 136(24)a BI (92)(12) π e−x dx 2 √ = [1 − Φ(u)] √ 2 − u2 x 4u x u 2 ∞ −μx2 xe dx 1 π a2 μ √ √ e = [1 − Φ (a μ)] 2 + x2 2 μ a 0 FI II 645 k=1 3.467 3.468 BI (89)(5) u β x 1 4 2ν exp μ ν2 2μ [u > 0] NT 33(17) [Re μ > 0, K 14 ν2 2μ a > 0] [Re μ ≥ 0] NT 19(11) ET I 146(23) dx 3 = C x 4 BI (89)(7) dx 1 = C x 4 BI (89)(6) dx β 1 = exp − 2 x β u β xν−1 (u − x)μ−1 e− x dx = β ν−1 2 ET II 188(22) u 2μ+ν−1 2 exp − β 2u Γ(μ) W β u Re β > 0, 1−2μ−ν 2 [Re μ > 0, , ν2 u > 0] ET II 187(18) 368 Exponential Functions u 3. β x−μ−1 (u − x)μ−1 e− x dx = β −μ uμ−1 Γ(μ) exp − 0 β u [Re μ > 0, u 4. 0 3.471 β β 1 β 1 x−2μ (u − x)μ−1 e− x dx = √ β 2 −μ e− 2u Γ(μ) K μ− 12 2u πu [u > 0, Re μ > 0] β u [0 < Re μ < Re(1 − ν), β xν−1 (x − u)μ−1 e x dx = B(1 − μ − ν, μ)uμ+ν−1 1 F 1 1 − μ − ν; 1 − ν; u ∞ 6. β x−2μ (x − u)μ−1 e x dx = u Re β > 0, ET II 187(16) ET II 187(17) ∞ 5. u > 0] ET II 203(15) π 1 −μ β 2 Γ(μ) exp u β 2u I μ− 12 β 2u [Re μ > 0, ∞ 7. β u > 0] xν−1 (x + γ)μ−1 e− x dx = β ν−1 2 γ ν−1 2 +μ β Γ(1 − μ − ν)e 2γ W 0 u > 0] ET II 202(14) β γ Re(1 − μ) > Re ν > 0] ν−1 ν 2 +μ,− 2 [|arg γ| < π, ET II 234(13)a 8. 0 u μ−1 − β 1 x−2μ u2 − x2 e x dx = √ π 2 β μ− 12 3 β u [Re β > 0, u > 0, uμ− 2 Γ(μ) K μ− 12 Re μ > 0] ET II 188(23)a ∞ 9. β xν−1 e− x −γx dx = 2 0 ∞ 10. xν−1 exp 0 ∞ 11. ν−1 x 0 iμ 2 iμ exp 2 x− β2 x β2 x+ x ν 2 β γ K ν 2 βγ [Re β > 0, ET II 82(23)a, LET I 146(29) iνπ dx = 2β ν e 2 K −ν (βμ) Im μ > 0, Im β 2 μ < 0; note that K −ν ≡ K ν dx = iπβ ν e− iνπ 2 ∞ xν−1 exp −x − 0 μ2 4x dx = 2 μ 2+ 0 (1) H −ν (βμ) Im μ > 0, Im β 2 μ > 0 ν K −ν (μ) |arg μ| < 13. EH II 82(24) EH II 21(33) 12. Re γ > 0] ∞ , π , Re μ2 > 0; note that K −ν ≡ K ν 2 WA 203(15) β β xν−1 e− x β dx = γ ν−1 e γ Γ(1 − ν) Γ ν, x+γ γ [|arg γ| < π, Re β > 0, Re ν < 1] ET II 218(19) 3.475 Exponentials of complicated arguments and powers exp 1 − x1 − xν dx = ψ(ν) x(1 − x) 0 ∞ 1 π −2√βγ e x− 2 e−γx−β/x dx = γ 0 ∞ √ √ ∂n 1 xn− 2 e−px−q/x dx = (−1)n π n p−1/2 e−2 pq ∂p 0 14. 15. 16. 369 1 [Re ν > 0] BI (80)(7) [Re β ≥ 0, Re γ > 0] [Re p > 0, Re q > 0] ET 245 (5.6.1) PBM 344 (2.3.16(2)) 3.472 ∞ exp − 1. 0 ∞ 2. x2 exp − 0 3. 4. 5. ∞ 2 1 a − 1 e−μx dx = 2 x 2 1 a − μx2 dx = x2 4 π √ [exp (−2 aμ) − 1] μ [Re μ > 0, a − μx2 x2 ET I 146(30) [Re μ > 0, Re a > 0] ET I 146(26) [Re μ > 0, a > 0] π √ √ (1 + 2 aμ) exp (−2 aμ) μ3 dx 1 π √ exp (−2 aμ) = 2 x 2 a 0 ∞ dx aπ 1 1 (1 + a)e−1/a exp − = x2 + 2 4 2a x x 2 0 ∞ π ∂ n −2√pq −n−1/2 −px−q/x n x e dx = (−1) e p ∂q n 0 exp − Re a > 0] [a > 0] [Re p > 0, ET I 146(28)a BI (98)(14) Re q > 0] PBM 344 (2.3.16(3)) ∞ 3.473 (2m − 1)!! √ π 2m n exp (−xn ) x(m+1/2)n−1 dx = 0 3.474 n exp (1 − x−n ) xnp − n 1−x 1−x 1 1. 0 1 2. 0 3.475 ∞ 1.7 ∞ 2. 0 3. 0 ∞ dx 1 k−1 = ψ p+ x n n n exp (1 − x−n ) exp 1 − − 1 − xn 1−x exp −x2 n exp −x2 n 0 n exp −x2 n k=1 1 x [p > 0] dx = − ln n x dx 1 1 = − nC n+1 2 x 2 1+x dx 1 − = −2−n C 1 + x2 x dx = 1 − 2−n C − e−x x − BI (98)(6) BI (80)(8) BI (80)(9) [n ∈ Z] BI (92)(14) BI (92)(13) BI (89)(8) 370 3.476 Exponential Functions ∞ [exp (−νxp ) − exp (−μxp )] 1. 0 ∞ [exp (−xp ) − exp (−xq )] 2. 0 3.477 1. 10 2.8 3.476 1 μ dx = ln x p ν [Re μ > 0, p−q dx = C x pq [p > 0, Re ν > 0] BI (89)(3) q > 0] BI (89)(9) ∞ e−a|x| dx = e−au γ(0, −au) − eau γ(0, au) [Re a > 0, Im u = 0, −∞ x − u ∞ sign x exp (−a|x|) dx = − [exp (a|u|) Ei (−a|u|) − exp (−a|u|) Ei (a|u|)] x−u −∞ arg u = 0] [a > 0] 3.478 ∞ 1. xν−1 exp (−μxp ) dx = 0 ν 1 − νp μ Γ |p| p [Re μ > 0 and − p < Re ν < 0 for p > 0, 0 < Re ν < −p for p < 0] ET I 313(18, 19) ν ν+1 ν+n−1 , ,..., ; n n n μ+ν μ+ν+1 μ+ν+n−1 , ,..., ; βun n n n [Re μ > 0, Re ν > 0, n = 2, 3, . . .] u 0 ∞ 4. 0 2 xν−1 exp −βxp − γx−p dx = p γ β ν 2p ∞ 1. 0 ∞ 2.11 √ xν−1 exp −β 1 + x 2 √ dx = √ π 1+x ν−1 x 0 √ √ exp iμ 1 + x2 π √ dx = i 2 2 1+x β 2 ∞ −∞ xex exp (−μex ) dx = − 1 (C + ln μ) μ ET I 313(17) Re ν > 0] ET I 313(14) Re ν > 0] EH II 83(30) Γ(ν) K 12 −ν (β) 1−ν 2 Γ ν (1) H 1−ν (μ) 2 2 [Im μ > 0, 1. Re γ > 0] 1 2 −ν [Re β > 0, μ 2 ET II 187(15) K νp 2 βγ [Re β > 0, 3.481 p > 0] xν−1 (u − x)μ−1 exp (βxn ) dx = B(μ, ν)uμ+ν−1 n F n 11 3.479 Re ν > 0, xν−1 [1 − exp (−μxp )] dx = − 0 3. [Re μ > 0, ET II 251(36) BI(81)(8)a, ET I 313(15, 16) ∞ 2. ν p 1 − νp μ Γ p MC [Re μ > 0] BI (100)(13) 3.511 Hyperbolic functions ∞ 2. −∞ 3.482 ∞ 1.3 xe exp −μe x 2x 1 dx = − [C + ln(4μ)] 4 [Re μ > 0] BI (100)(14) [Re β > 0] ∞ 2. 0 π μ 1 [S n (β) − π En (β) − π Y n (β)] 2 exp (nx − β sinh x) dx = 0 371 ET I 168(11) 1 exp (−nx − β sinh x) dx = (−1)n+1 [S n (β) + π En (β) + π Y n (β)] 2 [Re β > 0] ∞ 3. exp (−νx − β sinh x) dx = 0 ET I 168(12) π [Jν (β) − J ν (β)] sin νπ [Re β > 0] ⎧ iνπ ⎪ ⎪ ∞ K ν (a) for a > 0, ⎨2 exp − exp (ν arcsinh x − iax) 2 √ 3.483 dx = iνπ ⎪ 1 + x2 −∞ ⎪ K ν (−a) for a < 0 ⎩2 exp 2 qx px dx a q a = (ea − 1) ln [p > 0, 3.484 − 1+ 1+ qx px x p 0 π/2 πe [1 − Φ(1)] 3.485 exp − tan2 x dx = 2 1 0 1 ∞ 3.4866 x−x dx = e−x ln x dx = k −k = 1.2912859970627 . . . ∞ 0 3.487 1. ∗ π/4 % exp − 0 ∞ k=0 [|Re ν| < 1] ET I 122(32) 0 ET I 168(13) q > 0] BI (89)(34) FI II 483 k=1 tan2k+1 x k + 12 & dx = ln 2 3.5 Hyperbolic Functions 3.51 Hyperbolic functions 3.511 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 4. 0 ∞ π dx = cosh ax 2a [a > 0] π aπ sinh ax dx = tan sinh bx 2b 2b [b > |a|] BI (27)(10)a [b > |a|] GW (351)(3b) [b > |a|] BI (4)(14)a π aπ 1 sinh ax dx = sec − β cosh bx 2b 2b b π aπ cosh ax dx = sec cosh bx 2b 2b a+b 2b 372 Hyperbolic Functions ∞ 5. 0 ∞ 6. 0 ∞ 7. 0 ∞ 8.11 0 9. 10. 3.512 sin aπ π sinh ax cosh bx c dx = bπ sinh cx 2c cos aπ c + cos c [c > |a| + |b|] BI (27)(11) bπ π cos aπ cosh ax cosh bx 2c cos 2c dx = bπ cosh cx c cos aπ c + cos c [c > |a| + |b|] BI (27)(5)a bπ sinh ax sinh bx π sin aπ 2c sin 2c dx = bπ cosh cx c cos aπ c + cos c [c > |a| + |b|] BI (27)(6)a dx =1 cosh2 x BI (98)(25) ∞ sinh2 ax dx = 1 − aπ cot aπ 2 −∞ sinh x ∞ sinh ax sinh bx aπ aπ dx = 2 sec 2 2b 2b cosh bx 0 ∞ 1. 0 3.512 β β cosh 2βx 4ν−1 B ν + ,ν − dx = 2ν a a a cosh ax a2 < 1 BI (16)(3)a [b > |a|] BI (27)(16)a [Re (ν ± β) > 0, a > 0, β > 0] LI(27)(17)a, EH I 11(26) ∞ 2. 0 μ 1 sinh x dx = B coshν x 2 μ+1 ν−μ , 2 2 [Re μ > −1, Re(μ − ν) < 0] EH I 11(23) 3.513 1. 2. √ 1 dx a + b + a2 + b 2 √ =√ ln a2 + b 2 a + b − a2 + b 2 0 a + b sinh x √ ∞ dx b 2 − a2 2 =√ arctan 2 2 a√ +b b −a 0 a + b cosh x 1 a + b + a2 − b 2 √ =√ ln a2 − b 2 a + b − a2 − b 2 √ ∞ dx 2 b 2 − a2 =√ arctan a√ +b b 2 − a2 0 a sinh x + b cosh x 1 a + b + a2 − b 2 √ =√ ln a2 − b 2 a + b − a2 − b 2 3. ∞ [ab = 0] b 2 > a2 b 2 < a2 GW (351)(8) GW (351)(7) 2 b > a2 2 a > b2 GW (351)(9) 3.516 Hyperbolic functions ∞ 4. 0 373 & % √ 2 b 2 − a2 − c 2 dx =√ + π arctan a + b cosh x + c sinh x a+b+c b 2 − a2 − c 2 ⎧ ⎡ ⎤ =0 for (b − a)(a + b + c) > 0 ⎪ ⎪ ⎪ ⎢ ⎨|| = 1 for (b − a)(a + b + c) < 0 ⎥ ⎢ ⎥ 2 2 2 ⎢when b > a + c ; and ⎥ ⎪ ⎣ ⎦ =1 for a < b + c ⎪ ⎪ ⎩ = −1 for a > b + c √ 1 a + b + c + a2 − b 2 + c 2 √ =√ ln a2 − b2 + c2 a + b + c − a2 − b2 +c2 b 2 < a2 + c 2 , a 2 = b 2 1 a+c = ln c a [a = b = 0, c = 0] 2(a − b) = c(a − b − c) 2 b = a2 + c2 , c(a − b − c) < 0 GW (351)(6) 3.514 ∞ 1. 0 ∞ 2. 0 [0 < t < π, cosh ax dx 2 (cosh x + cos t) 0 ∞ a > 0] BI (27)(22)a a(πt ) cosh ax − cos t1 πt2 π sin b 2 − dx = cos t1 cosh bx − cos t2 b sin t2 sin ab π b sin t2 [0 < |a| < b, ∞ 3. dx t = cosec t cosh ax + cos t a = sinh ax sinh bx π (− cos t sin at + a sin t cos at) sin3 t sin aπ 0 < a2 < 1, bt bπ bπ sin cosec t cosec 2 a a a 0 < t2 < π] 0<t<π [0 < |b| < a, 0 < t < π] (cosh ax + cos t) √ ∞ 2 cosh x dx = − ln 2 3.515 1− √ cosh 2x −∞ 3.516 ∞ dx dx 1 ∞ 1. √ √ μ = μ = Q μ−1 (z) 2 2 2 z + z + z − 1 cosh x z − 1 cosh x 0 −∞ 4. 0 2 dx = BI (6)(20)a BI (6)(18)a BI (27)(27)a BI (21)(12)a [Re μ > −1] For a suitable choice of a single-valued branch of the integrand, this formula is valid for arbitrary values of z in the z-plane cut from −1 to +1 provided μ <0. If μ > 0, this formula ceases to be valid for points at which the denominator vanishes. CO, WH ∞ dx 1. EH II 181(32) n+1 = Q n (β) 0 β + β 2 − 1 cosh x 374 Hyperbolic Functions ∞ 2. 0 cosh γx dx β + β 2 − 1 cosh x = ν+1 3.517 e−iγπ Γ(ν − γ + 1) Q γν (β) Γ(ν + 1) [Re (ν ± γ) > −1, ∞ 3. 0 μ −iμπ 2μ sinh x dx β + β 2 − 1 cosh x = ν+1 2 e Γ(ν − 2μ + 1) Γ μ + 12 μ √ π (β 2 − 1) 2 Γ(ν + 1) ν = −1, −2, −3, . . .] EH I 157(12) Q μν−μ (β) [Re(ν − 2μ + 1) > 0, Re(ν + 1) > 0] EH I 155(2) 3.517 ∞ 1. ν+ 12 2. 0 3.518 a cosh γ + ∞ ∞ ∞ ∞ 7 0 5.6 0 ν+ 12 = 1 sinh2μ+1 x dx ∞ Re(ν + γ + 1) > 0] EH I 156(11) πΓ 2 −ν P νγ (cosh a) 2 sinhν a sinh2μ x dx ν+1 0 4. x dx Re ν < 12 , a>0 EH I 156(8) 2μ e−iμπ Γ(ν − 2μ + 1) Γ μ + 12 Q μν−μ (cosh a) =√ Γ(ν + 1) π sinhμ a [Re(ν + 1) > 0, Re(ν − 2μ + 1) > 0, a > 0] EH I 155(3)a μ−ν = 2μ β 2 − 1 2 Γ(ν − 2μ) Γ(μ + 1) P μ−ν (β) μ (β + cosh x) [Re(ν − μ) > Re μ > −1, 3. ν+1 10 0 − ν Γ(ν + γ + 1) Γ(ν − γ) P −ν π 2 γ (β) β −1 2 2 Γ ν + 12 [Re(ν − γ) > 0, (cosh a + sinh a cosh x) 0 2. 1 2 (cosh a − cosh x) 1. = (β + cosh x) 0 cosh γ + 12 x dx β does not lie on the ray (−∞, +1) of the real axis] sinh2μ−1 x cosh x dx 1 ν = a−μ B(μ, ν − μ) 2 1 + a sinh2 x ν−1 sinhμ−1 x (cosh x + 1) (β + cosh x) ν−1 sinhμ−1 x (cosh x − 1) (β + cosh x) a > 0] EH I 11(22) 1 1 1 × 2 F 1 , + 2 − μ − ν; 2 − μ − ν; − β 2 2 2 [Re μ > 0, Re( − μ − ν) > −2, |arg(1 + β)| < π] EH I 115(11) dx dx = 2μ+ν−ρ B [Re ν > Re μ > 0, EH I 155(1) 1 μ, + 2 − μ − ν 2 = 2−(2−μ−ν+) 2 F 1 , 2 − μ − ν + ; 1 + − μ 1−β ; 2 2 μ 2 Re(2 + ) Re(μ + ν), Re(2ν + μ) > 2] × B 2 − μ − ν + , −1 + ν + [β ∈ (−∞, −1) , EH I 115(10) 3.522 Hyperbolic and algebraic functions ∞ 6.7 0 sinhμ−1 x coshν−1 x dx = cosh2 x − β π/2 3.519 0 2F 1 , 1 + − [β ∈ (1, ∞) , 375 μ ν μ+ν μ+ν ;1 + − ;β 2B ,1 + − 2 2 2 2 Re μ > 0, 2 Re(1 + ) > Re(μ + ν)] EH I 115(9) ∞ 1 pkπ sinh [(r − p)] tan x dx = π sin sinh (r tan x) kπ + r r p2 < r2 BI (274)(13) k=1 3.52–3.53 Combinations of hyperbolic functions and algebraic functions 3.521 ∞ 1. 0 ∞ 2. 0 ∞ 3. 1 ∞ 1 ∞ 0 ∞ 0 ∞ 0 ∞ 5. 0 ∞ 7. 0 0 [a > 0, b > 0] [b > 0] [a > 0, 1 1 dx = β b+ (b2 + x2 ) cosh πx b 2 [b > 0] 1 x dx = ln 2 − (1 + x2 ) sinh πx 2 BI(97)(16), GW(352)(8) b > 0] BI (97)(5) ∞ BI (97)(4) BI (97)(7) π 2 BI (97)(1) x dx π = −1 (1 + x2 ) sinh πx 2 2 BI (97)(8) dx x2 ) cosh πx dx (1 + 0 9. LI (104)(13) ∞ 2π dx (−1)k−1 = (b2 + x2 ) cosh ax b 2ab + (2k − 1)π ∞ 8. x dx 1 = − β(b + 1) 2 + x ) sinh πx 2b (1 + 0 [a > 0] ∞ (−1)k π x dx = + π (b2 + x2 ) sinh ax 2ab ab + kπ ∞ 6. LI (104)(14) k=1 4. [a > 0] ∞ dx =2 (−1)k+1 Ei[−(2k + 1)a] x cosh ax (b2 3. LI III 225(103a), BI(84)(1)a ∞ dx = −2 Ei[−(2k + 1)a] x sinh ax ∞ 0 = 1.831931188 . . . k=1 2. π x dx = 2G = π ln 2 − 4 L cosh x 4 GW (352)(2b) k=0 1. [a > 0] k=0 4. 3.522 π2 x dx = 2 sinh ax 4a x2 ) cosh πx 2 =2− = ln 2 , √ x dx 1 + √ = 2 + 1 −2 π + 2 ln πx (1 + x2 ) sinh 4 2 BI (97)(2) BI (97)(9) 376 Hyperbolic Functions ∞ 10. 0 3.523 ∞ 1. 0 ∞ 2. 0 3.523 , √ dx 1 + √ π − 2 ln = 2 + 1 πx (1 + x2 ) cosh 4 2 BI (97)(3) 2β − 1 xβ−1 dx = β−1 β Γ(β) ζ(β) sinh ax 2 a [Re β > 1, 22n − 1 x2n−1 dx = sinh ax 2n [a > 0, π a 2n |B2n | a > 0] WH n = 1, 2, . . .] WH, GW(352)(2a) ∞ 3. 0 2 xβ−1 1 dx = Γ(β) Φ −1, β, cosh ax (2a)β 2 ∞ 2 2 Γ(β) (−1)k = (2a)β 2k + 1 β k=0 [Re β > 0, ∞ 4. 0 ∞ 5. 0 ∞ 6. 0 ∞ 7. 0 ∞ 8. 0 ∞ 9. 0 ∞ 10. 0 ∞ 11. 0 ∞ 0 ∞ 1. 2.11 0 |E2n | [a > 0] BI(84)(12)a, GW(352)(1a) π3 x2 dx = cosh x 8 (cf. 4.261 6) BI (84)(3) π4 x3 dx = sinh x 8 (cf. 4.262 1 and 2) BI (84)(5) 5 5 x4 dx = π cosh x 32 BI (84)(7) x5 π6 dx = sinh x 4 BI (84)(8) 61 7 x6 dx = π cosh x 128 BI (84)(9) 17 8 x7 dx = π sinh x 16 BI (84)(10) ∞ x1/2 dx √ 1 = π (−1)k cosh x (2k + 1)3/2 BI (98)(7)a ∞ √ dx (−1)k π = 2 x1/2 cosh x (2k + 1)1/2 k=0 xμ−1 0 2n+1 EH I 35, ET I 322(1) k=0 12. 3.524 π x2n dx = cosh ax 2a a > 0] sinh βx Γ(μ) dx = sinh γx (2γ)μ 1 ζ μ, 2 BI (98)(25)a 1− β γ 1 β − ζ μ, 1+ 2 γ [Re γ > |Re β|, Re μ > −1] ET I 323(10) ∞ x2m 2m aπ π d sinh ax tan dx = 2m sinh bx 2b da 2b [b > |a|] BI (112)(20)a 3.524 Hyperbolic and algebraic functions ∞ 3. 0 4.11 5. ∞ sinh ax dx = Γ(1 − p) p sinh bx x 1 1 − [b(2k + 1) − a]1−p [b(2k + 1) + a]1−p k=0 [b > |a|, ∞ 377 p < 1] BI (131)(2)a 2m+1 aπ sinh ax π d sec dx = [b > |a|] BI (112)(18)a 2m+1 cosh bx 2b da 2b 0 ∞ Γ(μ) cosh βx 1 β 1 β dx = xμ−1 ζ μ, 1 − + ζ μ, 1 + sinh γx (2γ)μ 2 γ 2 γ 0 [Re γ > |Re β|, Re μ > 1] x2m+1 ET I 323(12) ∞ 6. x2m 0 ∞ 7. 0 ∞ cosh ax dx · p = Γ(1 − p) (−1)k cosh bx x ∞ ∞ 9.8 x2m+1 π3 sinh ax aπ aπ dx = 3 sin sec3 sinh bx 4b 2b 2b ∞ 10. x4 sinh ax aπ π dx = 8 sec sinh bx 2b 2b 0 x6 0 ∞ 12. x 0 ∞ 13. ∞ 14. x3 x5 0 x7 0 16. ∞ x 0 sin π aπ sinh ax dx = sec cosh bx 2b 2b π aπ sinh ax dx = sec cosh bx 2b 2b 4 sin 6 sin sinh ax π aπ dx = sec cosh bx 2b 2b π aπ cosh ax dx = sec sinh bx 2b 2b 8 sin 2 BI(131)(1)a [b > |a|] BI (112)(19)a [b > |a|] BI (84)(18) BI (82)(17)a aπ aπ aπ + 2 cos4 45 − 30 cos2 2b 2b 2b [b > |a|] BI (82)(21)a [b > |a|] BI (84)(15)a [b > |a|] BI (82)(14)a aπ aπ · 6 − cos2 2b 2b aπ aπ aπ 120 − 60 cos2 + cos4 2b 2b 2b [b > |a|] ∞ 15. π aπ sinh ax dx = 16 sec sinh bx 2b 2b 7 aπ aπ · 2 + sin2 2b 2b π2 aπ sinh ax aπ dx = 2 sin sec2 cosh bx 4b 2b 2b 0 · sin p < 1] [b > |a|] ∞ 11. 5 BI(112)(17) 1 1 + [b(2k + 1) − a]1−p [b(2k + 1) + a]1−p aπ π d2m+1 cosh ax tan dx = sinh bx 2b da2m+1 2b x2 0 [b > |a|] [b > |a|, 0 π d cosh ax aπ dx = sec 2m cosh bx 2b da 2b k=0 8. 2m BI (82)(18)a aπ aπ aπ aπ 5040 − 4200 cos2 + 546 cos4 − cos6 2b 2b 2b 2b [b > |a|] BI (82)(22)a [b > |a|] BI (84)(16)a 378 Hyperbolic Functions ∞ 17. x3 π aπ cosh ax dx = 2 sec sinh bx 2b 2b 4 x5 π aπ cosh ax dx = 8 sec sinh bx 2b 2b 6 0 ∞ 18. 0 x7 0 ∞ 20. ∞ 21. 0 ∞ 23. 0 3.525 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 [b > |a|] BI (82)(15)a aπ aπ + 2 cos4 2b 2b 315 − 420 cos2 x4 π aπ cosh ax dx = sec cosh bx 2b 2b 5 24 − 20 cos2 BI (82)(19)a aπ aπ aπ + 126 cos4 − 4 cos6 2b 2b 2b [b > |a|] BI(82)(23)a [b > |a|] BI (84)(17)a aπ aπ + cos4 2b 2b [b > |a|] ∞ 22. π aπ cosh ax dx = 16 sec sinh bx 2b 2b 8 cosh ax aπ π3 aπ dx = 3 2 sec3 − sec cosh bx 8b 2b 2b 0 15 − 15 cos2 x2 0 aπ 2b [b > |a|] ∞ 19. 1 + 2 sin2 3.525 x6 aπ π cosh ax dx = sec cosh bx 2b 2b 7 720 − 840 cos2 BI (82)(16)a aπ aπ aπ + 182 cos4 − cos6 2b 2b 2b sinh ax dx aπ π · = ln tan + cosh bx x 4b 4 [b > |a|] BI (82)(20)a [b > |a|] BI (95)(3)a dx 1 sinh ax a · = − cos a + sin a ln [2 (1 + cos a)] sinh πx 1 + x2 2 2 dx 1 1 − sin a sinh ax π · = sin a + cos a ln π 2 sinh 2 x 1 + x 2 2 1 + sin a [π ≥ |a|] BI (97)(10)a [π ≥ 2|a|] BI (97)(11)a 1 cosh ax x dx 1 · = (a sin a − 1) + cos a ln [2 (1 + cos a)] sinh πx 1 + x2 2 2 [π > |a|] ∞ 4. 0 1 1 + sin a cosh ax x dx π · = cos a − 1 + sin a ln sinh π2 x 1 + x2 2 2 1 − sin a +π > |a| 2 ∞ sinh ax x dx a+π a π · = −2 sin + sin a − cos a ln tan 2 2 2 4 0 cosh πx 1 + x BI (97)(12)a , BI (97)(13)a 5. 6. 0 [π > |a|] ∞ GW (352)(12) dx a+π cosh ax a π · = 2 cos − cos a − sin a ln tan cosh πx 1 + x2 2 2 4 [π > |a|] GW (352)(11) 3.527 Hyperbolic and algebraic functions ∞ 7. 0 ∞ 0 ∞ 0 ∞ cos π x dx cosh ax π b · 2 + π = sinh bx c + x2 2bc bc + kπ [b > |a|] BI (97)(19) k(b−a) sinh ax cosh bx dx 1 (a + b + c)π (b + c − a)π · = ln tan cot cosh cx x 2 4c 4c [c > |a| + |b|] ∞ 2. 0 BI (97)(18) k=1 1. [b ≥ |a|] k=1 8. 3.526 ∞ k(b−a) dx sinh ax π sin b π · 2 = sinh bx c + x2 c bc + kπ 379 ∞ 3. 0 1 a sinh2 ax dx · = ln sec π sinh bx x 2 b Γ(μ) xμ−1 dx = sinh βx cosh γx (2γ)μ BI (93)(10)a [b > |2a|] 1 Φ −1, μ, 2 1+ β γ BI (95)(5)a 1 β + Φ −1, μ, 1− 2 γ [Re γ > |Re β|, Re μ > 0] ET I 323(11) 3.527 ∞ 1. 0 2. 3.6 5. 6. 7. 8. 9. [Re a > 0, Re μ > 2] BI (86)(7)a m = 1, 2, . . .] BI(86)(5)a ∞ x2m π 2m |B2m | dx = 2 a2m+1 0 sinh ax ∞ μ−1 x 4 1 − 22−μ Γ(μ) ζ(μ − 1) dx = 2 μ (2a) 0 cosh ax 1 = 2 ln 2 a 4. xμ−1 4 Γ(μ) ζ(μ − 1) dx = (2a)μ sinh2 ax [a > 0, [Re a > 0, Re μ > 0, [Re a > 0, μ = 2] μ = 2] BI (86)(6)a ∞ x dx ln 2 [a = 0] = 2 2 a cosh ax 0 2m ∞ 2 − 2 π 2m x2m dx = |B2m | [a > 0, m = 1, 2, . . .] 2 (2a)2m a 0 cosh ax ∞ ∞ 2 Γ(μ) sinh ax (−1)k dx = xμ−1 [Re μ > 1, a > 0] aμ (2k + 1)μ−1 cosh2 ax 0 k=0 ∞ x sinh ax π [a > 0] dx = 2 2a cosh2 ax 0 ∞ sinh ax 2m + 1 π 2m+1 x2m+1 |E2m | [a > 0, m = 0, 1, . . .] dx = 2 a 2a cosh ax 0 ∞ cosh ax 22m+1 − 1 x2m+1 (2m + 1)! ζ(2m + 1) dx = a2 (2a)2m sinh2 ax 0 [a = 0, m = 1, 2, . . .] LO III 396 BI(86)(2)a BI (86)(15)a BI (86)(8)a BI (86)(12)a BI (86)(13)a 380 Hyperbolic Functions 10. 11 11.8 12. 13. 14.11 15.10 16.∗ 3.528 ∞ cosh ax 22m − 1 π 2m |B2m | dx = a a sinh2 ax 0 √ ∞ x sinh ax π Γ(μ) dx = 2μ+1 2 Γ μ+ 1 4μa cosh ax 0 2 ∞ 2 x dx π2 = 2 3 −∞ sinh x ∞ cosh ax π2 x2 dx = 2a3 sinh2 ax 0 ∞ sinh x dx = 4G x2 cosh2 x 0 ∞ tanh x2 dx = ln 2 cosh x 0 ∞ cosh ax 2 Γ (μ) ζ (μ − 1) 1 − 21−μ xμ−1 = 2 μ a sinh ax 0 ∞ 1. 0 ∞ 2. 0 3.529 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 3.531 ∞ 1.7 0 ∞ 2.10 0 3. 4. x2m 3.528 [a > 0, m = 1, 2, . . .] [μ > 0, a > 0] 1 1 − sinh x x [a > 0] BI (86)(11)a [a = 0] BI (86)(10)a BI (93)(17)a BI (87)(8) [n = 0, 1, . . .] dx = − ln 2 x aπ cosh ax − 1 dx · = − ln cos sinh bx x 2b a b − sinh ax sinh bx LI (86)(9) BI (102)(2)a (1 + xi)2n−1 − (1 − xi)2n−1 dx = 2 i sinh πx 2 (1 + xi)2n − (1 − xi)2n dx = (−1)n+1 2|E2n | + 2 i sinh πx 2 BI (86)(14)a BI (87)(7) BI (94)(10)a [b > |a|] dx = (b − a) ln 2 x GW (352)(66) BI (94)(11)a 4 +π π , x dx =√ ln 2 − L = 1.1719536193 . . . 2 cosh x − 1 3 3 3 [see 8.26 for L(x)] t ln 2 − L(t) x dx = cosh 2x + cos 2t sin 2t LI (88)(1) LO III 402 ∞ t π 2 − t2 x2 dx = · 3 sin t 0 cosh x + cos t 2 ∞ 4 t π − t2 7π 2 − 3t2 x dx = 15 sin t 0 cosh x + cos t [0 < t < π] BI (88)(3)a [0 < t < π] BI (88)(4)a 3.533 Hyperbolic and algebraic functions ∞ sin 2kaπ x2m dx = 2(2m)! cosec 2aπ cosh x − cos 2aπ k 2m+1 k=1 = 2 22m−1 − 1 π 2m |B2m | ∞ 5.3 0 1 2 a= a= 1 2 xμ−1 dx cosh x − cos t 0 i Γ(μ) −it −it e Φ e , μ, 1 − eit Φ eit , μ, 1 sin t = 2 − 23−μ Γ(μ) ζ(μ − 1) [μ = 2, t = π] = 2 ln 2 [μ = 2, t = π] [Re μ > 0, = ∞ 7. 0 0 < a < 1, BI (88)(5)a ∞ 6.3 381 0 < t < 2π, t = π] ET I 323(5) ∞ xμ dx sin kt 2 Γ(μ + 1) = (−1)k−1 μ+1 cosh x + cos t sin t k [μ > −1, 0 < t < π] BII (96)(14)a k=1 u 8. 0 1 x dx = cosec 2t [L(θ + t) − L(θ − t) − 2 L(t)] cosh 2x − cos 2t 2 [θ = arctan (tanh u cot t) , t = nπ] LO III 402 3.532 ∞ 1.11 0 2. 0 3.533 k=0 ∞ π x cosh x dx = cosec t ln 2 − L cosh 2x − cos 2t 2 x 0 0 n > −1] b > 0, t 2 −L (π − t) 2 GW (352)(5) t = nπ ∞ sinh ax dx 2 (cosh ax − cos t) x3 = π−t cosec t a2 sinh x dx 2 (cosh x + cos t) = t π2 − t sin t LO III 288a [t = mπ] ∞ 2.6 3. k θ+t 1 θ−t x cosh x dx ψ+t = cosec t L −L +L π− cosh 2x − cos 2t 2 2 2 2 ψ−t t π−t +L − 2L − 2L 2 2 2 u t ψ u t θ tan = tanh cot , tan = coth cot ; 2 2 2 2 2 2 0 b−a b+a [a > 0, u 1. ∞ 2n! xn dx 1 = a cosh x + b sinh x a+b (2k + 1)n+1 [a > 0, LO III 403 0 < t < π] (cf. 3.5141) BI (88)(11)a 2 [0 < t < π] (cf. 3.531 3) BI (88)(13) 382 Hyperbolic Functions ∞ 4.11 x2m+1 0 sinh x dx 2 (cosh x − cos 2aπ) = 2(2m + 1)! cosec 2aπ = 2(2m + 1) 2 3.534 ∞ sin 2kaπ k=1 2m−1 k 2m+1 − 1 π 2m |B2m | 0 < a < 1, a= 1 2 a= 1 2 BI (88)(14) 3.534 1 π I 1 (a) 1 − x2 cosh ax dx = 1. 2a 0 1 cosh ax π √ 2. dx = I 0 (a) 2 2 1−x 0 1 π x arcsin (tanh a) dx √ = √ [a > 0] 3.535 · · 2 sinh ax sinh a cosh 2a − cosh 2ax 2 2a 0 3.536 ∞ π2 x2 11 dx = 1. 2 12 0 cosh x √ ∞ 2 ∞ x tanh x2 dx π (−1)k √ 2. = 2 2 2k + 1 cosh x 0 k=0 ∞ νπ sin μπ 1−μ−ν xμ−1 2 sin 2 Γ(μ) Γ 3. sinh (ν arcsinh x) √ dx = ×Γ μ 2 2 π 2 1+x 0 WA 94(9) WA 94(9) BI (80)(11) BI (98)(7) BI (98)(8) 1−μ+ν 2 [−1 < Re μ < 1 − |Re ν|] ∞ ET I 324(14) νπ cos μπ 1−μ−ν 1−μ+ν xμ−1 2 cos 2 Γ(μ) Γ cosh (ν arccosh x) √ dx = ×Γ μπ 2 2 2 2 1+x ET I 324(15) [0 < Re μ < 1 − |Re ν|] 4. 0 3.54 Combinations of hyperbolic functions and exponentials 3.541 ∞ 1. e−μx sinhν βx dx = 0 ∞ 2. 0 1 sinh βx dx = e−μx ψ sinh bx 2b e−μx −∞ ∞ e−x 4. 0 5. 0 μ ν − ,ν + 1 2β 2 1 μ+β + 2 2b −ψ [Re β > 0, 1 μ−β + 2 2b Re ν > −1, Re μ > Re βν] EH I 11(25), ET I 163(5) [Re (μ + b ± β) > 0] ∞ 3. 1 B 2ν+1 β ∞ π μπ sinh μx dx = tan sinh βx 2β β 1 π aπ sinh ax dx = − cot sinh x a 2 2 e−px dx (cosh px) 2q+1 = 1 22q−2 B(q, q) − p 2qp [Re β > 2|Re μ|] [0 < a < 2] [p > 0, q > 0] EH I 16(14)a BI (18)(6) BI (4)(3) LI (27)(19) 3.545 Hyperbolic functions and exponentials ∞ 6. e−μx 0 ∞ 7. μ+1 2 dx =β cosh x e−μx tanh x dx = β 0 8. 9. 10. 3.542 μ 1 − 2 μ ∞ 1. e−μx (cosh βx − 1) dx = ν 0 [Re μ > −1] ET I 163(7) [Re μ > 0] ET I 163(9) [Re μ > 0] ET I 163(8) [Re μ > 0] LI (27)(15) [0 < p < 2q] BI (27)(9)a ∞ e−μx μ −1 dx = μ β 2 2 0 cosh x ∞ sinh μx 1 e−μx dx = (1 − ln 2) 2 μ cosh μx 0 ∞ 1 π pπ sinh px dx = − cot e−qx sinh qx p 2q 2q 0 383 μ − ν, 2ν + 1 β Re β > 0, ∞ 2. 1 B 2ν β e −μx ν−1 (cosh x − cosh u) dx = −i 0 1 Re ν > − , 2 Re μ > Re βν ET I 163(6) 1 1 2 iπν 2 −ν e Γ(ν) sinhν− 2 u Q μ− 1 (cosh u) 2 π [Re ν > 0, Re μ > Re ν − 1] EH I 155(4), ET I 164(23) 3.543 1. ∞ iπeitb e−ibx dx =− cosh πb − e−2itb sinh πb cosh t −∞ sinh x + sinh t [t > 0] ∞ 2. 0 ∞ 0 ∞ sin kt e−μx dx = 2 cosec t cosh x − cos t μ+k [Re μ > −1, BI (6)(10)a ∞ cos kt 1 − e−x cos t −(μ−1)x e dx = 2 cosh x − cos t μ+k [Re μ > 0, t = 2nπ] BI (6)(9)a k=0 ∞ epx − cos t 2 dx = 1 p t cosec t + 1 1 + cos t (cosh px + cos t) ∞ exp − n + 12 x dx = Q n (cosh u) , 3.544 2 (cosh x − cosh u) u 3.545 ∞ π aπ 1 sinh ax dx = cosec − 1. px + 1 e 2p p 2a 0 ∞ 1 π aπ sinh ax dx = − cot 2. px −1 2a 2p p 0 e 0 t = 2nπ] k=1 3. 4. ET I 121(30) [p > 0] BI (27)(26)a [u > 0] EH II 181(33) [p > a, p > 0] BI (27)(3) [p > a, p > 0] BI (27)(9) 384 3.546 1. 2. 3. 4. Hyperbolic Functions 3.546 √ a 1 π a2 √ exp √ Φ 2 4β β 2 β 0 ∞ 2 2 a 1 π exp e−βx cosh ax dx = 2 β 4β 0 ∞ 2 1 π a2 −1 e−βx sinh2 ax dx = exp 4 β β 0 ∞ 2 1 π a2 +1 e−βx cosh2 ax dx = exp 4 β β 0 3.547 1. ∞ e−βx sinh ax dx = 2 ∞ exp (−β sinh x) sinh γx dx = 0 [Re β > 0] FI II 720a [Re β > 0] ET I 166(40) [Re β > 0] ET I 166(41) [Re β > 0] exp (−β cosh x) sinh γx sinh x dx = 0 ∞ exp (−β sinh x) cosh γx dx = 3. 0 ET I166(38)a γπ π π cot [J γ (β) − Jγ (β)] − [Eγ (β) + Y γ (β)] = γ S −1,γ (β) 2 2 2 ∞ 2. [Re β > 0] WA 341(5), ET I 168(14)a γ K γ (β) β πγ π π tan [Jγ (β) − J γ (β)] − [Eγ (β) + Y γ (β)] = S 0,γ (β) 2 2 2 [Re β > 0, γ not an integer] ET I 168(16)a, WA 341(4), EH II 84(50) ∞ 4. exp (−β cosh x) cosh γx dx = K γ (β) [Re β > 0] ET I 168(16)a, WA 201(5) [Re β > 0] ET I 168(7), EH II 85(51) 0 ∞ 5. exp (−β sinh x) sinh γx cosh x dx = 0 γ S 0,γ (β) β ∞ 6. exp (−β sinh x) sinh[(2n + 1)x] cosh x dx = O 2n+1 (β) 0 [Re β > 0] ∞ 7. exp (−β sinh x) cosh γx cosh x dx = 0 1 S 1,γ (β) β ET I 167(5) [Re β > 0] ∞ exp (−β sinh x) cosh 2nx cosh x dx = O 2n (β) 8. [Re β > 0] ET I 168(6) 0 ∞ 9. 0 ∞ 10.11 1 exp (−β cosh x) sinh2ν x dx = √ π exp [−2 (β coth x + μx)] sinh2ν x dx = 0 11. 0 ∞ 2 β exp − ν Γ ν+ 1 2 K ν (β) Re β > 0, Re ν > − 12 EH II 82(20) 1 ν β Γ (μ − ν) W −μ,ν− 12 (4β) 2 [Re β > 0, Re μ > Re ν] β2 sinh x sinhν−1 x coshν x dx = −π D ν βeiπ/4 D ν βe−iπ/4 2 + π, Re ν > 0, |arg β| ≤ 4 EH II 120(10) 3.548 Hyperbolic functions and exponentials 12. 13. 14. , 1 3 + exp (2νx − 2β sinh x) √ dx = π β J ν+ 14 (β) J ν− 14 (β) + Y ν+ 14 (β) Y ν− 14 (β) 2 sinh x 0 [Re β > 0] EH I 169(20) ∞ + , exp (−2νx − 2β sinh x) 1 3 √ dx = π β J ν+ 14 (β) Y ν− 14 (β) − J ν− 14 (β) Y ν+ 14 (β) 2 sinh x 0 ET I 169(21) [Re β > 0] ∞ exp (−2β sinh x) sinh 2νx 1 π 3 β νπi (1) (2) √ e H 1 +ν (β) H 1 −ν (β) dx = 2 4i 2 sinh x 0 2 (1) (2) −νπi −e H 1 −ν (β) H 1 +ν (β) ∞ 2 ∞ 15. 0 2 [Re β > 0] 17.8 18. 19. 20. ∞ ET I 170(24) exp (−2β sinh x) cosh 2νx 1 π 3 β νπi (1) (2) √ dx = e H 1 +ν (β) H 1 −ν (β) 2 2 4 2 sinh x (1) (2) −νπi +e H 1 −ν (β) H 1 +ν (β) 2 16. 385 exp (−2β cosh x) cosh 2νx √ dx = cosh x 2 [Re β > 0] ET I 170(25) β K 1 (β) K ν− 14 (β) π ν+ 4 0 ET I 170(26) [Re β > 0] ∞ exp [−2β (cosh x − 1)] cosh 2νx β 2β √ · e K ν+ 14 (β) K ν− 14 (β) dx = π cosh x 0 [Re β > 0] ET I 170(27) ∞ cos ν + 14 π exp (−2νx − 2β sinh x) + sin ν + 14 π exp (2νx − 2β sinh x) √ dx sinh x 0 + , 1 = π 3 β J 14 +ν (β) J 14 −ν (β) + Y 14 +ν (β) Y 14 −ν (β) 2 ET I 169(22) [Re β > 0] ∞ 1 1 sin ν + 4 π exp (−2νx − 2β sinh x) − cos ν + 4 π exp (2νx − 2β sinh x) √ dx sinh x 0 + , 1 = π 3 β J 14 +ν (β) Y 14 −ν (β) − J 14 −ν (β) Y 14 +ν (β) 2 ET I 169(23) [Re β > 0] ∞ exp [−β(cosh x − 1)] cosh νx sinh x dx = eβ K ν (β) cosh x (cosh x − 1) 0 [Re β > 0] 3.548 1. ∞ e−μx sinh ax2 dx = π 4 e−μx cosh ax2 dx = π 4 4 0 2. 0 ∞ 4 a exp 2μ a2 8μ I 14 a exp 2μ a2 8μ I − 14 a2 8μ ET I 169(19) [Re μ > 0, a ≥ 0] ET I 166(42) [Re μ > 0, a > 0] ET I 166(43) a2 8μ 386 3.549 Hyperbolic Functions ∞ 1. 3.549 e−βx sinh [(2n + 1) arcsinh x] dx = O 2n+1 (β) [Re β > 0] (cf. 3.547 6) 0 ET I 167(5) ∞ 2. e−βx cosh (2n arcsinh x) dx = O 2n (β) [Re β > 0] (cf. 3.547 8) 0 ET I 168(6) ∞ 3. e−βx sinh (ν arcsinh x) dx = ν S 0,ν (β) β [Re β > 0] (cf. 3.5475) e−βx cosh (ν arcsinh x) dx = 1 S 1,ν (β) β [Re β > 0] (cf. 3.547 7) 0 ∞ 4. 0 ET I 168(7) A number of other integrals containing hyperbolic functions and exponentials, depending on arcsinh x or arccosh x, can be found by first making the substitution x = sinh t or x = cosh t. 3.55–3.56 Combinations of hyperbolic functions, exponentials, and powers 3.551 1. ∞ xμ−1 e−βx sinh γx dx = 0 xμ−1 e−βx cosh γx dx = 0 ∞ 3. 1 Γ(μ) (β − γ)−μ + (β + γ)−μ 2 [Re μ > 0, xμ−1 e−βx coth x dx = Γ(μ) 21−μ ζ μ, 0 β 2 − β −μ ∞ 4. xn e−(p+mq)x sinhm qx dx = 2−m n! 0 5.11 1 −βx e x 0 ET I 164(19) x e x ∞ ET I 164(21) m < p + qm] LI (81)(4) BI (80)(4) sinh γx dx = 1 β+γ ln 2 β−γ [Re β > |Re γ|] ET I 163(12) cosh γx dx = 1 [− Ei(γ − β) − Ei(−γ − β)] 2 [Re β > |Re γ|] ET I 164(15) ∞ −βx 1 0 1 β+γ sinh γx dx = + Ei(γ − β) − Ei(−γ − β) ln 2 β−γ e 7. q > 0, [β > γ] 0 8.6 m m (−1)k k (p + 2kq)n+1 k=0 [p > 0, Re β > 0] ∞ −βx 6. Re β > |Re γ|] [Re μ > 1, Re β > |Re γ|] ET I 164(18) ∞ 2. 1 Γ(μ) (β − γ)−μ − (β + γ)−μ 2 [Re β > −1, xe−x coth x dx = π2 −1 4 BI (82)(6) 3.554 Hyperbolic functions, exponentials, and powers ∞ 9. e −βx 0 ∞ 10.6 β dx = ln + 2 ln tanh x x 4 xe−x coth(x/2) dx = 0 3.552 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 Γ β 4 [Re β > 0] β 1 + 4 2 ET I 164(16) π2 −1 3 xμ−1 e−βx 1 1−μ dx = 2 Γ(μ) ζ μ, (β + 1) sinh x 2 [Re μ > 1, 1 x2m−1 e−ax π dx = |B2m | sinh ax 2m a [a > 0, Re β > −1] ET I 164(20) 2m xμ−1 e−x dx = 21−μ 1 − 21−μ Γ(μ) ζ(μ) cosh x = ln 2 m = 1, 2, . . .] [Re μ > 0, EH I 38(24)a μ = 1] [if μ = 1] EH I 32(5) ∞ 4. 0 Γ 387 ∞ 5. 0 x2m−1 e−ax 1 − 21−2m π dx = |B2m | cosh ax 2m a 2m [a > 0, m = 1, 2, . . .] EH I 39(25)a ∞ x2 e−2nx 1 dx = 4 sinh x (2k + 1)3 [n = 0, 1, 2, . . .] (cf. 4.261 13) k=n BI(84)(4) ∞ 6.11 0 π4 x3 e−2nx dx = − 12 sinh x 8 n k=1 1 (2k − 1)4 [n = 0, 1, . . .] (cf. 4.262 6) BI (84)(6) 3.553 ∞ 1. 0 ∞ 2.11 0 sinh2 ax e−x dx 1 = ln (aπ cosec aπ) sinh x x 2 [a < 1] BI (95)(7) sinh2 x2 e−x dx 1 4 · = ln cosh x x 2 π (cf. 4.267 2) BI (95)(4) 3.554 1. ∞ 11 e −βx 0 2. 3. ∞ Γ β+3 4 dx = 2 ln (1 − sech x) β+1 x Γ 4 − ln β 4 [Re β > 0] β+1 1 β − cosech x dx = ψ [Re β > 0] − ln x 2 2 0 & ∞% sinh 12 − β x dx = 2 ln Γ(β) − ln π + ln (sin πβ) − (1 − 2β)e−x x sinh x 0 2 e−βx [0 < Re β < 1] ET I 164(17) ET I 163(10) EH I 21(7) 388 Hyperbolic Functions ∞ 4. e−βx 0 ∞ − 5. 0 ∞ 6. 1 − coth x x sinh qx + 2qe−x sinh x2 dx = ψ β 2 − ln 3.555 1 β + 2 β dx 1 = 2 ln Γ q + x 2 ET I 163(11) + ln cos πq − ln π xμ−1 e−βx (coth x − 1) dx = 21−μ Γ(μ) ζ μ, 0 [Re β > 0] q2 < 1 2 WH β +1 2 [Re β > 0; 3.555 ∞ 1. 0 1 sinh2 ax dx = ln · 1 − epx x 4 p 2aπ sin 2aπ p Re μ > 1] [0 < 2|a| < p] ET I 164(22) (cf. 3.545 2) BI (93)(15) ∞ 2. 0 3.556 ∞ 1. x −∞ ∞ 2. 0 3.557 ∞ 1. 0 π2 pπ 1 − epx dx = − tan2 sinh x 2 2 1 − e−px 1 − e−(p+1)x · dx = 2p ln 2 sinh x x 1 2 n−1 m π = 2 cosec n (cf. 4.255 3) [p > −1] 2 k=1 (−1)k−1 sin Γ km π ln n Γ BI (93)(9) BI (101)(4) BI (95)(8) Γ km π ln n Γ n+q+k 2n Γ p+k 2n n+p+k 2n Γ q+k 2n n+q−k n Γ p+k n n+p−k n Γ q+k n [p > −1, ∞ (cf. 3.545 1) dx e−px − e−qx · cosh x − cos m π x n k=1 2. a< [p < 1] n−1 m = 2 cosec π (−1)k−1 sin n 1 sinh2 ax dx · = − ln (aπ cot aπ) x e +1 x 4 q > −1] [m + n odd] [m + n even] BI (96)(1) 2 dx (1 − e−x ) · m cosh x + cos π x 0 n n−1 m π (−1)k−1 sin = 2 cosec n n+k+1 2 k+2 k Γ Γ 2n Γ 2n km π × ln 2n2 k+1 n+k n Γ 2n Γ 2n Γ n+k+2 k=1 2n n−1 n−k+1 2 k+2 k 2 Γ Γ n Γ n m km k−1 n π π × ln = 2 cosec (−1) sin n−k n−k+2 k+1 2 n n Γ Γ Γ k=1 n n [m + n odd] [m + n even] n BI (96)(2) 3.558 Hyperbolic functions, exponentials, and powers ∞ 3. 0 e−px sin m m dx −x nπ π− e tan · m 2n cosh x + cos n π x m π ln(2n) + 2 (−1)k−1 sin 2n Γ km π ln n Γ n−1 = tan k=1 n−1 2 m π ln n + 2 (−1)k−1 sin = tan 2n k=1 ∞ 4. 0 ∞ 5. 0 dx 1 + e−x a · 1−p = 2 sec Γ(p) cosh x + cos a x 2 −x 2 0 ∞ 7. ∞ ∞ 5. ∞ 6. 0 LI (96)(5)a BI (88)(6) x n−1 n−k 1 − (−1)n e−nx nπ 2 + 4 dx = (−1)k 2 2 x 3 k cosh 2 k=1 LI (85)(1) x2 ∞ BI (85)(5) LI (85)(6) k=1 x2 n−1 n−k 1 + (−1)n e−nx dx = 6n ζ(3) − 8 k3 cosh2 x2 k=1 LI (85)(4) x3 n−1 n−k 1 − e−nx 4 4 nπ dx = − 24 2 x 15 k4 sinh 2 k=1 BI (85)(9) x3 n−1 1 + (−1)n e−nx n−k 7 4 nπ dx = + 24 (−1)k 4 2 x 30 k cosh 2 k=1 BI (85)(8) 0 LI (96)(5) BI (85)(3) 0 7. BI (96)(3) BI (88)(8) cos kaπ e−x − cos aπ dx = 2 · (2m + 1)! cosh x − cos aπ k 2m+2 k=1 [m + n even] 2 n−1 n−k 1 − e−nx dx = 8n ζ(3) − 8 x k3 0 sinh2 k=1 2 ∞ ∞ n−1 −2nx n−k 1 2 x1 − e x e − 8 dx = 8n 2 (2k − 1)3 (2k − 1)3 sinh x 0 p+k n n−1 n−k 1 − e−nx 2nπ 2 − 4 dx = 2 x 3 k2 sinh 2 k=1 ∞ 0 4. p+n−k n [m + n odd] x ∞ 2. 2 p+k 2n ∞ x2m+1 0 3. [p > 0] 1 cos k − 2 λ (−1)k−1 k q+1 p+n+k 2n k=1 1. k=1 1 k−1 cos k − 2 a (−1) kp a π e − cos a dx = |a|π − − cosh x − cos a 2 3 0 3.558 ∞ Γ km π ln n Γ [q > −1] −x x ∞ x 2 xq e cosh Γ(q + 1) dx = cosh x + cos λ cos λ2 k=1 ∞ 6. 389 390 Trigonometric Functions % ∞ 3.559 e −x 0 ∞ 1. tanh x2 π dx = 2 ln √ x cosh x 2 2 ∞ 2. 1 Γ(2μ)(2β)−μ exp 2 γ2 8β x2μ−1 e−βx cosh γx dx = 1 Γ(2μ)(2β)−μ exp 2 γ2 8β 2 2 0 ∞ 3. xe−βx sinh γx dx = 2 0 ∞ 4. −βx2 xe 0 γ 4β γ cosh γx dx = 4β [Re μ > 0, π exp β γ 4β π exp β γ2 4β [Re β > 0] Φ √ ∞ π 2β + γ 2 2 −βx2 √ x e sinh γx dx = exp 8β 2 β 0 ∞ 6. 0 γ γ − D −2μ √ D −2μ − √ 2β 2β 1 Re μ > − 2 , Re β > 0 ET I 166(44) γ γ + D −2μ √ D −2μ − √ 2β 2β Re β > 0] ET I 166(45) 2 5. [a > 0] BI (93)(18) x2μ−1 e−βx sinh γx dx = 0 1 1 dx = a − + ln Γ(a) − ln(2π) x 2 2 BI (96)(6) e 0 & ∞ −2x 3.561 3.562 1 (1 − e−x ) (1 − ax) − xe−x (2−a)x e a− + 2 4 sinh2 x2 3.559 √ π 2β + γ 2 2 −βx2 √ x e cosh γx dx = exp 8β 2 β γ √ 2 β + BI(81)(12)a,ET I 165(34) 1 2β [Re β > 0] γ2 4β Φ γ √ 2 β + ET I 166(35) γ 4β 2 [Re β > 0] ET I 166(36) [Re β > 0] ET I 166(37) 2 γ 4β 3.6–4.1 Trigonometric Functions 3.61 Rational functions of sines and cosines and trigonometric functions of multiple angles 3.611 2π n (1 − cos x) sin nx dx = 0 1. BI (68)(10) 0 2π n (1 − cos x) cos nx dx = (−1)n 2. 0 3. π n (cos t + i sin t cos x) dx = 0 π 2n−1 π (cos t + i sin t cos x) 0 BI (68)(11) −n−1 dx = π P n (cos t) EH I 158(23)a 3.613 3.612 Rational functions of sines and cosines π 1.6 0 391 sin nx cos mx dx = 0 sin x =π for n > m, if m + n is odd and positive =0 for n > m, if m + n is even for n ≤ m; LI (64)(3) π 2. 0 sin nx dx = 0 sin x =π for n even for n odd BI (64)(1, 2) π/2 3. 0 FI II 145 π/2 1 1 (−1)k−1 sin 2nx dx = 2 1 − + − · · · + sin x 3 5 2n − 1 0 π/2 π (−1)n−1 sin 2nx sin 2nx 1 1 dx = 2 dx = (−1)n−1 4 1 − + − · · · + cos x cos x 3 5 2n − 1 0 0 π2 π cos(2n + 1)x cos(2n + 1)x dx = 2 dx = (−1)n π cos x cos x 0 0 π/2 π sin 2nx cos x dx = sin x 2 0 4. 5. 6. 7. 3.613 π 1.6 0 2. π sin(2n − 1)x dx = sin x 2 π 6 0 3. 0 π cos nx dx =√ 1 + a cos x 1 − a2 √ 1 − a2 − 1 a cos nx dx πan = 1 − 2a cos x + a2 1 − a2 π = 2 (a − 1) an n a2 < 1, n≥0 a2 < 1, n≥0 a2 > 1, n≥0 GW (332)(21b) GW (332)(22a) GW (332)(22b) LI (45)(17) BI (64)(12) BI (65)(3) π sin nx sin x dx π = an−1 2 1 − 2a cos x + a 2 π = n+1 2a a2 < 1, n≥1 a2 > 1, n≥1 BI(65)(4), GW(332)(34a) 392 Trigonometric Functions 4. π 10 0 π 5. 0 6. 7. 8. cos nx cos x dx π 1 + a2 n−1 · = a 1 − 2a cos x + a2 2 1 − a2 2 π a +1 = n+1 · 2 2a a −1 πa = 1 − a2 π = a (a2 − 1) cos(2n − 1)x dx = 1 − 2a cos 2x + a2 3.614 a2 < 1, n≥1 a2 > 1, n≥1 n = 0, a2 < 1 n = 0, a2 > 1 π 0 cos 2nx cos x dx =0 1 − 2a cos 2x + a2 a2 = 1 π 0 0 π 11.6 0 π 12. 0 13. 0 =1 =1 <1 >1 BI (65)(9, 10) BI (65)(12) BI (65)(6, 7) cos(2n − 1)x cos x dx π a = · 1 − 2a cos 2x + a2 2 1−a 1 π = · 2 (a − 1)an n−1 a2 < 1 a2 > 1 BI (65)(11) π 10. BI (65)(8) π 9. BI(65)(5), GW(332)(34b) 2 cos(2n − 1)x cos 2x dx =0 a 2 1 − 2a cos 2x + a 0 π π sin 2nx sin x dx sin(2n − 1)x sin 2x dx = =0 2 1 − 2a cos 2x + a 1 − 2a cos 2x + a2 0 0 2 a π 2 sin(2n − 1)x sin x dx π an−1 a = · 2 1 − 2a cos 2x + a 2 1 + a 0 2 1 π a = · 2 (1 + a)an π sin nx − a sin(n − 1)x sin mx dx = 0 1 − 2a cos x + a2 π = am−n 2 cos nx − a cos(n − 1)x π |m|−n a cos mx dx = −1 2 1 − 2a cos x + a 2 for m < n for m ≥ n 2 a <1 sin nx − a sin[(n + 1)x] dx = 0 1 − 2a cos x + a2 cos nx − a cos[(n + 1)x] dx = πan 1 − 2a cos x + a2 a2 < 1 a2 < 1 a2 < 1 LI (65)(13) BI (65)(14) BI (68)(13) BI (68)(14) 3.616 Rational functions of sines and cosines π 7 3.614 0 sin x sin px · dx · a2 − 2ab cos x + b2 1 − 2ap cos px + a2p πbp−1 = p+1 2a (1 − bp ) πap−1 = 2b (bp − a2p ) 393 [0 < b ≤ a ≤ 1, 0 < a ≤ 1, p = 1, 2, 3, . . .] p = 1, 2, 3, . . . a2 < b, BI (66)(9) 3.615 1. 2. 3. 3.616 2n √ 2 1 − a2 a <1 BI (47)(27) a 0 π 1 cos x sin 2nx dx s s π 2n sin 2n arctan arccos = − tan 2 b 2 2 2a2 0 1 + (a + b sin x) π 1 cos x cos(2n + 1)x dx s s π 2n+1 cos arccos (2n + 1) arctan = tan 2 b 2 2 2a2 1 + (a + b sin x) 0 < 2 2 2 where s = − 1 + b − a + (1 + b2 − a2 ) + 4a2 BI (65)(21, 22) π/2 π 1. cos 2nx dx (−1)n π √ = 1 − a2 sin2 x 2 1 − a2 1 − 2a cos x + a2 n dx = π 0 π 2.10 0 dx 1 n = 2 (1 − 2a cos x + a2 ) 0 1− n n k a2k BI (63)(1) k=0 2π dx n (1 − 2a cos x + a2 ) n−1 (n + k − 1)! π = n 2 2 (1 − a ) (k!) (n − k − 1)! = 2 (a2 π n − 1) k=0 n−1 (n + k − 1)! a2 1 − a2 1 2 k=0 k k (k!) (n − k − 1)! (a2 − 1) a2 < 1 a2 > 1 BI (331)(63) π 3. 1 − 2a cos x + a2 n cos nx dx = (−1)n πan BI (63)(2) 0 4. π 0 1 − 2a cos x + a2 n cos mx dx n 1 2π = 1 − 2a cos x + a2 cos mx dx 2 0 =0 n−m = π(−a)m 1 + a2 [n < m] [(n−m)/2] k=0 n k n−k m+k a 1 + a2 2k [n ≥ m] GW (332)(35a) 5. 0 2π sin nx dx m =0 (1 − 2a cos 2x + a2 ) GW (332)(32a) 394 Trigonometric Functions π 6. 0 π 7. 0 0 3.61710 0 [a = 0, cos nx dx cos nx dx 1 2π = m 2 0 (1 − 2a cos x + a2 )m (1 − 2a cos x + a2 ) m−1 k 2m − k − 2 1 − a2 a2m+n−2 π m + n − 1 = 2m−1 k m−1 a2 (1 − a2 ) k=0 m−1 m+n−1 k 2m − k − 2 2 π a −1 = 2m−1 n 2 k m − 1 a (a − 1) k=0 cos 2nx dx n+1 = 2 2 a cos x + b2 sin2 x π dx n+1/2 (1 − 2a cos x + a2 ) 2n n 2 n π/2 dx n+1/2 1 − k 2 sin2 x where the Fn (k) satisfies the recurrence relation k dFn (k) , n = 0, 1, 2, . . . Fn+1 (k) = Fn (k) + 2n + 1 dk and π/2 dx F0 (k) = K(k) ≡ 1/2 0 1 − k 2 sin2 x is the complete elliptic integral of the first kind. Introducing the complete elliptic integral of the second kind π/2 1/2 1 − k 2 sin2 x dx E(k) = Fn (k) = 0 the derivatives 0 d K(k) E(k) K(k) = − , dk k (1 − k 2 ) k combined with the recurrence relation lead to d E(k) E(k) − K(k) = dk k d F 0 (k) dk E(k) E(k) = K(k) + − K(k) = , 1 − k2 1 − k2 E(k) E(k) k d + F2 (k) = 2 1−k 3 dk 1 − k 2 4 − 2k 2 1 = E(k) − K(k) 3 (1 − k 2 ) 1 − k2 F1 (k) = F 0 (k) + k a2 < 1 a2 > 1 GW (332)(31) b2 − a π (2ab)2n+1 [a > 0, b > 0] 2 |a| 2 = , |a| = 1 2n+1 Fn |1 + a| |1 + a| with ±1] GW (332)(32c) π/2 8. 1 sin x dx 1 1 − m = 2(m − 1)a (1 − a)2m−2 (1 + a)2m−2 (1 − 2a cos 2x + a2 ) 3.617 GW (332)(30b) 3.623 Powers of trigonometric functions 395 3.62 Powers of trigonometric functions 3.621 π/2 π/2 sinμ−1 x dx = 1. 0 cosμ−1 x dx = 2μ−2 B π/2 0 1 Γ cos3/2 x dx = √ 6 2π π/2 sin3/2 x dx = 2. 0 π/2 0 π/2 sin2m x dx = 3. cos2m x dx = 0 0 π/2 0 cos2m+1 x dx = 0 π/2 0 6.∗ 7.∗ 3.622 π/2 √ π/2 1. sin x dx = tan±μ x dx = 0 π/4 tanμ x dx = 2. 0 0 ln 2 (−1)k + 2 2n − 2k BI (34)(3) n−1 π/2 0 μ μ 1 B ,ν − 2 2 2 [0 < Re μ < 2 Re ν] 0 π/4 2.6 BI(42)(6), BI(45)(22) tanμ x sin2 x dx = 1+μ β 4 μ+1 2 − 1 4 [Re μ > −1] BI (34)(4) tanμ x cos2 x dx = 1−μ β 4 μ+1 2 + 1 4 [Re μ > −1] BI (34)(5) 0 0 π/2 cotμ−1 x sin2ν−2 x dx = tanμ−1 x cos2ν−2 x dx = BI (34)(1) k=0 1. 3.6 [Re μ > −1] BI (34)(2) π/4 0 BI (42)(1) π (−1)k + 4 2n − 2k − 1 tan2n+1 x dx = (−1)n [|Re μ| < 1] k=0 4.11 3.623 3 4 n−1 tan2n x dx = (−1)n Re ν > 0] 2 μ+1 2 π/4 3. FI II 151 [Re μ > 0, μπ π sec 2 2 1 β 2 FI II 151 LO V 113(50), LO V 122, FI II 788 2 Γ π 0 1 2 π/2 Γ 4 dx √ √ = 2 2π sin x 0 2 (2m)!! (2m + 1)!! μ ν 1 B , 2 2 2 sinμ−1 x cosν−1 x dx = 5. 1 4 FI II 789 (2m − 1)!! π (2m)!! 2 π/2 sin2m+1 x dx = 4. μ μ , 2 2 π/4 396 3.624 1. 2.3 3.11 4.8 5. 6.6 3.625 Trigonometric Functions π/4 1 sinp x dx = [p > −1] p+2 cos x p+1 0 1 π/2 π/2 1 μ 1 Γ 2 + 14 Γ(1 − μ) sinμ− 2 x cosμ− 2 x dx = dx = cos2μ−1 x 2 Γ 54 − μ2 sin2μ−1 x 0 0 1 − 2 < Re μ < 1 π/4 1 (2n)!! cosn− 2 (2x) dx = π 2 2n+1 2n+1 cos (x) 2 (n!) 0 π/4 cosμ 2x [Re μ > −1] dx = 22μ B(μ + 1, μ + 1) 2(μ+1) x cos 0 π/4 2μ−2 Γ μ − 12 Γ(1 − μ) sin x 1−2μ √ dx = 2 B(2μ − 1, 1 − μ) = cosμ 2x 2 π 0 1 2 < Re μ < 1 π/2 2 sin ax aπ 1 − sin πa [2a β(a) − 1] , [a > 0] dx = sin x 2 2 0 π/4 1. 0 π/4 2. 0 π/4 3. 0 π/4 4.8 0 3.626 3.624 π/4 1. 0 π/4 2. 0 0 3.62811 0 sin2n x cosp 2x dx = cos2p+2n+2 x π 2 1 2 B n + 12 , p + 1 [p > −1] (cf. 3.251 1) LI (55)(12) BI (38)(3) BI (35)(1) BI (35)(4) BI (35)(2) BI (35)(3) 1 (2n − 2)!!(2m − 1)!! sin2n−1 x cosm− 2 2x dx = cos2n+2m x (2n + 2m − 1)!! BI (38)(6) 1 (2n − 1)!!(2m − 1)!! π sin2n x cosm− 2 2x dx = · cos2n+2m+1 x (2n + 2m)!! 2 BI (38)(7) sin2n−1 x √ (2n − 2)!! cos 2x dx = 2n+2 cos x (2n + 1)!! (cf. 3.251 1) BI (38)(4) sin2n x √ (2n − 1)!! π · cos 2x dx = 2n+3 cos x (2n + 2)!! 2 (cf. 3.251 1) BI (38)(5) Γ(μ) Γ 12 − μ cotμ x μπ √ dx = sin μ μ sin x 2 π 0 2 −1 < Re μ < 12 1 sec2p x sin2p−1 x dx = √ Γ(p) Γ 12 − p 0 < p < 12 2 π π/2 3.627 (n − 1)! Γ(p + 1) sin2n−1 x cosp 2x dx = · cos2p+2n+1 x 2 Γ(p + n + 1) (n − 1)! 1 = = B(n, p + 1) 2(p + n)(p + n − 1) · · · (p + 1) 2 [p > −1] (cf. 3.251 1) GW (331)(34b) tanμ x dx = cosμ x π/2 BI (55)(12)a WA 691 3.631 Powers of trigonometric functions 397 3.63 Powers of trigonometric functions and trigonometric functions of linear functions 3.631 1. sinν−1 x sin ax dx = 0 2ν−1 ν B π/2 2 sinν−2 x sin νx dx = 2.7 0 π 3.6 νπ 1 cos 1−ν 2 sinν x sin νx dx = 2−ν π sin 0 π sin aπ 2 ν+a+1 ν−a+1 , 2 2 π νπ 2 [Re ν > 0] LO V 121(67a), WA 337a [Re ν > 1] GW(332)(16d), FI I 152 [Re ν > −1] LO V 121(69) π sinn x sin 2mx dx = 0 4. GW (332)(11a) 0 π π/2 sin2n x sin(2m + 1)x dx = 5. sin2n x sin(2m + 1)x dx 0 0 (−1)m 2n+1 n!(2n − 1)!! (2n − 2m − 1)!!(2m + 2n + 1)!! (−1)n 2n+1 n!(2m − 2n − 1)!!(2n − 1)!! = (2m + 2n + 1)!! = [m ≤ n] ∗ [m ≥ n] ∗ GW (332)(11b) π π/2 sin2n+1 x sin(2m + 1)x dx = 2 6. 0 sin2n+1 x sin(2m + 1)x dx 0 = (−1)m π 22n+1 2n + 1 n−m [n ≥ m] =0 [n < m] BI(40)(12), GW(332)(11c) π sinn x cos(2m + 1)x dx = 0 7. GW (332)(12a) 0 π sinν−1 x cos ax dx = 8. 0 2ν−1 ν B π/2 cosν−1 x cos ax dx = 9. 0 π/2 sinν−2 x cos νx dx = 10. 0 ∗ In 2ν ν B π cos aπ 2 ν+a+1 ν−a+1 , 2 2 [Re ν > 0] LO V 121(68)a, WA 337a [Re ν > 0] GW (332)(9c) [Re ν > 1] GW(332)(16b), FI II 15 2 π ν+a+1 ν−a+1 , 2 2 νπ 1 sin ν−1 2 3.631.5, for m = n we should set (2n − 2m − 1)!! = 1 398 Trigonometric Functions 11. 12. 3.632 π π νπ [Re ν > −1] cos ν 2 2 0 π π/2 2n (−1)m sin2n x cos 2mx dx = 2 sin2n x cos 2mx dx = π 2n n −m 2 0 0 sinν x cos νx dx = LO V 121(70)a [n ≥ m] =0 [n < m] BI(40)(16), GW(332)(12b) π sin2n+1 x cos 2mx dx π/2 =2 sin2n+1 x cos 2mx dx = 13.7 0 (−1)m 2n+1 n!(2n + 1)!! (2m − 2n − 3)!!(2m + 2n + 1)!! 0 (−1)n+1 2n+1 n!(2m − 2n + 3)!!(2n + 1)!! = (2m + 2n + 1)!! [n ≥ m − 1] [n < m − 1] GW (332)(12c) π/2 cosν−2 x sin νx dx = 14. 0 1 ν−1 π [Re ν > 1] cos x sin nx dx = 1 − (−1) m 15. π/2 0 π cosn x sin mx dx = 17.11 0 cosm x sin nx dx FI II 153 π 2n+1 n k if m ≤ n and n − m = 2k otherwise GW (332)(15a) π cosm x cos ax dx = 18.6 0 π/2 0r−1 2n+1 k k=1 1 + (−1)m+n 0 n 2k 1 cosn x sin nx dx = 16. (m + n − 2k − 2)!! m!(n − m − 2)!! m! +s = 1 − (−1)m+n (m − k)! (m + n)!! (m + n)!! k=0 ⎧ ⎡ ⎤ ⎪ ⎨2 if n − m = 4l + 2 > 0 m if m ≤ n ⎢ ⎥ s = 1 if n − m = 2l + 1 > 0 ⎣r = ⎦ GW (332)(13a) ⎪ n if m ≥ n ⎩ 0 if n − m = 4l or n − m < 0 0 m+n GW(332)(16c), FI II 152 m a+m (−1) sin aπ a+m ;1 − ; −1 2 F 1 −m, − 2m (m + a) 2 2 [a = 0, ±1, ±2, . . .] WA 313 π/2 cosν−2 x cos νx dx = 0 19. [Re ν > 1] GW(332)(16a), FI II 152 [Re n > −1] LO V 122(78), FI II 153 0 π/2 cosn x cos nx dx = 20.10 0 3.632 1. 0 π π 2n+1 p+a , + π Γ 2 Γ p−a 2 − x dx = 2p−1 Γ(p) sinp−1 x cos a 2 Γ(p − a) Γ(p + a) 2 p < a2 BI (62)(11) 3.634 Powers of trigonometric functions π 2 2. −π 2 + π , dx = cosν−1 x sin a x + 2 399 π sin aπ 2 ν+a+1 ν−a+1 , 2 2 2ν−1 ν B [Re ν > 0] π/2 cosp x sin[(p + 2n)x] dx = (−1)n−1 3.10 0 n−1 k=0 WA 337a (−1)k 2k n − 1 p+k+1 k [n > 0] π 4. −π cosn−1 x cos[m(x − a)] dx = 1 − (−1)n+m = = π/2 cosp+q−2 x cos[(p − q)x] dx = 5. 0 π 2 −π 2 LI (41)(12) cosn−1 x cos[m(x − a)] dx [1 − (−1)n+m ] π cos ma n+m+1 n−m+1 , 2n−1 n B 2 2 [n ≥ m] LO V 123(80), LO V 139(94a) π 2p+q−1 (p + q − 1) B(p, q) [p + q > 1] 3.633 π/2 cosp−1 x sin ax sin x dx = 1. 0 2p+1 p(p + 1) B π/2 cosn x sin nx sin 2mx dx = 2. 0 π/2 cosn x cos nx cos 2mx dx = π/2 cosn−1 x cos[(n + 1)x] cos 2mx dx = 0 π/2 cosp+q x cos px cos qx dx = 4. 0 aπ p+a p−a + 1, +1 2 2 0 3. π/2 cosp+q x sin px sin qx dx = 5.6 0 π 2p+q+2 π 2p+q+2 π 2n+1 1+ ∞ k=1 WH LO V 150(110) π 2n+2 BI (42)(19, 20) n−1 m−1 [n > m − 1] BI (42)(21) 1 (p + q + 1) B(p + 1, q + 1) p k n m q k [p + q > −1] GW (332)(10c) Γ(p + q + 1) π = p+q+2 −1 2 Γ(p + 1) Γ(q + 1) [p + q > −1] 3.634 π/2 sinμ−1 x cosν−1 x sin(μ + ν)x dx = sin 1. 0 BI (42)(16) μπ B(μ, ν) 2 [Re μ > 0, Re ν > 0] BI(42)(23), FI II 814a 400 Trigonometric Functions π/2 sinμ−1 x cosν−1 x cos(μ + ν)x dx = cos 2. 0 3.635 μπ B(μ, ν) 2 [Re μ > 0, Re ν > 0] BI(42)(24), FI II 814a π/2 cosp+n−1 x sin px cos[(n + 1)x] sin x dx = 3. 0 π 2p+n+1 Γ(p + n) n! Γ(p) [p > −n] 3.635 π/4 1. cos 0 2. μ−1 1 2x tan x dx = ψ 4 π/2 cosp+2n x sin px tan x dx = 7 0 μ+1 2 0 π/2 1. tan±μ x sin 2x dx = 0 π/2 2. 0 3. π/2 11 0 μπ μπ cosec 2 2 tan±μ x cos 2x dx = ∓ tan2μ x dx = cos x π/2 0 [Re μ > 0] BI (34)(7) ∞ n Γ(p + n − k) k 2p+2n+1 Γ(p) (n − k)! k=0 Γ(p + 2n) pπ = p+2+n+1 2 Γ(n + 1) Γ(p + n + 1) [p > −2n] BI (42)(22) cosn−1 x sin[(n + 1)x] cot x dx = 3.636 π π/2 3. μ −ψ 2 BI (42)(15) μπ μπ sec 2 2 π 2 BI (45)(18) [0 < Re μ < 2] BI (45)(20)a [|Re μ| < 1] Γ μ + 12 Γ(−μ) cot2μ x √ dx = sin x 2 π − 12 < Re μ < 1 BI (45)(21) (cf. 3.251 1) BI (45)(13, 14) 3.637 π/2 tanp x sinq−2 x sin qx dx = − cos 1. 0 (p + q)π B(p + q − 1, 1 − p) 2 [p + q > 1 > p] π/2 tanp x sinq−2 x cos qx dx = sin 2. 0 (p + q)π B(p + q − 1, 1 − p) 2 [p + q > 1 > p] π/2 cotp x cosq−2 x sin qx dx = cos 3. 0 GW (332)(15d) GW (332)(15b) pπ B(p + q − 1, 1 − p) 2 [p + q > 1 > p] GW (332)(15c) 3.642 Trigonometric functions: powers and rational functions π/2 cotp x cosq−2 x cos qx dx = sin 4. 0 401 pπ B(p + q − 1, 1 − p) 2 [p + q > 1 > p] 3.638 π/4 1. 1 cosμ+ 2 0 π/4 2. 0 sin2μ x dx π/2 3. 0 2x cos x = π sec μπ 2 μ− 12 |Re μ| < 1 2 GW (332)(15a) (cf. 3.192 2) BI (38)(8) 1 Γ μ + 2 Γ(1 − μ) sin 2x dx 2 √ = · sin cosμ 2x cos x 2μ − 1 π π cosp−1 x sin px dx = sin x 2 2μ − 1 π 4 1 − 2 < Re μ < 1 [p > 0] BI (38)(17) GW(332)(17), BI(45)(5) 3.64–3.65 Powers and rational functions of trigonometric functions 3.641 π/2 1. 0 sinp−1 x cos−p x dx = a cos x + b sin x π/2 0 π cosec pπ sin−p x cosp−1 x dx = a sin x + b cos x a1−p bp [ab > 0, π/2 2. sin 1−p x cos x 3 (sin x + cos x) 0 p dx = 0 π/2 p sin x cos 1−p x 3 (sin x + cos x) dx = 0 < p < 1] GW (331)(62) (1 − p)p π cosec pπ 2 [−1 < p < 2] 3.642 1. 2. 3. BI(48)(5) π/2 sin2μ−1 x cos2ν−1 x dx 1 [Re μ > 0, Re ν > 0] BI (48)(28) μ+ν = 2μ 2ν B(μ, ν) 2 2a b 0 a2 sin x + b2 cos2 x π/2 B n2 , n2 sinn−1 x cosn−1 x dx [ab > 0] GW (331)(59a) n = 2(ab)n a2 cos2 x + b2 sin2 x 0 π/2 sin2n x dx sin2n x dx 1 π = n+1 2 0 a2 cos2 x + b2 sin2 x n+1 0 a2 cos2 x + b2 sin2 x π/2 cos2n x dx cos2n x dx 1 π (2n − 1)!!π = = n+1 = n+1 n+1 2 2 2 2 2 2 2 2 2 2 n!ab2n+1 0 0 a sin x + b cos x a sin x + b cos x [ab > 0] 4. 0 π/2 n cosp+2n x cos px dx = π n+1 a2 cos2 x + b2 sin2 x k=0 2n − k n GW (331)(58) p+k−1 bp−1 k (2a)2n−k+1 (a + b)p+k [a > 0, b > 0, p > −2n − 1] GW (332)(30) 402 3.643 Trigonometric Functions π/2 1. 0 π/2 2. 0 3.644 π 1. 0 π 2. 0 3.643 cosp x cos px dx π (1 + a)p−1 = · 1 − 2a cos 2x + a2 2p+1 1−a a2 < 1, p > −1 GW (332)(33c) m−1 m−k−1 β 2n sin2n x cosμ x cos βx (−1)n π(1 − a)2n−2m+1 dx = m k l 22m−β−1 (1 + a)2m+β+1 (1 − 2a cos 2x + a2 ) k=0 l=0 2m − k − l − 2 × (a − 1)k l m − 1(−2) 2 a < 1, β = 2m − 2n − μ − 2, μ > −1 k ν−1 m + 1 − 2ν m + 1 − 2ν sinm x p p2 − q 2 dx = 2m−2 2 , B + p + q cos x q ν=1 −4q 2 2 2 . ⎧ ⎪ πp q2 ⎪ ⎪ if m = 2k + 2 ⎪ ⎨ q 2 1 − 1 − p2 k ≥ 1, q = 0, where A = ⎪ ⎪ 1 p+q ⎪ ⎪ if m = 2k + 1 ⎩ ln q p−q sinm x dx = 2m−1 B 1 + cos x m−1 m+1 , 2 2 GW (332)(33) p2 − q 2 −q 2 k A p2 − q 2 ≥ 0 [m ≥ 2] m−1 m+1 sinm x dx = 2m−1 B , [m ≥ 2] 1 − cos x 2 2 0 . π pπ sin2 x q2 dx = 2 1 − 1 − 2 4. q p 0 p + q cos x π p sin3 x 1 p+q p2 dx = 2 2 + 5. 1 − 2 ln q q q p−q 0 p + q cos x π n cosn x dx (2n − 2k − 1)!!(2k − 1)!! π √ (−1)k 3.645 n+1 = n n 2 2 (n − k)!k! 2 (a + b) a − b k=0 0 (a + b cos x) 2 a > b2 π 3. 3.646 π/2 1. 0 π/2 2. 0 3.647 0 π/2 cosn x sin nx sin 2x π dx = 2 1 − 2a cos 2x + a 4a 1+a 2 n 1 − n 2 a2 < 1 π cosp x cos px dx ap−1 = · 2 2 2 2b (a + b)p sin x + b cos x [p > −1, a > 0, k LI (64)(16) BI (50)(6) ∞ 1 − a cos 2nx π m k π m a + m+1 cos x cos mx dx = 2 m+2 kn 1 − 2a cos 2nx + a 2 2 k=1 2 a <1 a2 a+b a−b b > 0] LI (50)(7) BI (47)(20) 3.652 3.648 Trigonometric functions: powers and rational functions π/4 1. 0 403 tanl x dx 1 + cos m n π sin 2x n−1 n+l+k m l+k km 1 cosec π π ψ (−1)k−1 sin −ψ 2n n n 2n 2n k=0 n−1 2 n+l−k m l+k km 1 π ψ (−1)k−1 sin = cosec π −ψ n n n n n = [m + n is odd] [m + n is even] k=0 [l is a natural number] π/2 2. 0 3.649 π/2 1. 0 μπ tan±μ x sin 2x dx π cosec = 1− 1 ∓ 2a cos 2x + a2 4a 2 μπ π cosec = 1+ 4a 2 1−a 1+a a−1 a+1 π/2 μπ tan±μ x (1 ∓ a cos 2x) π dx = sec 1+ 1 ∓ 2a cos 2x + a2 4 2 0 μπ π = sec 1− 4 2 2. 3.651 1. 2. 3.652 1 μ+2 tanμ x dx = ψ 1 + sin x cos x 3 3 0 π/4 μ 1 μ+2 tan x dx = β 1 − sin x cos x 3 3 0 π/4 π/2 1. 0 tan±μ x dx = π cosec t sin μt cosec(μπ) 1 + cos t sin 2x tanμ x dx = (sin x + cos x) sin x π/2 0 −ψ μ+1 3 +β μ+1 3 μ μ |Re μ| < 1, a2 < 1 a2 > 1 π/2 2. 0 tanμ x dx = (sin x − cos x) sin x π/2 0 3. 0 π/2 μ+ 12 x cot dx = (sin x + cos x) cos x 0 π/2 BI (47)(4) [−2 < Re μ < 1] μ 2 1−a a <1 1+a μ 2 a−1 a >1 a+1 [|Re μ| < 1] BI (50)(3) BI (50)(4) [Re μ > −1] BI (36)(3) [Re μ > −1] BI (36)(4)a cotμ x dx = π cosec μπ (sin x + cos x) cos x BI (49)(1) cotμ x dx = −π cot μπ (cos x − sin x) cos x [0 < Re μ < 1] [0 < Re μ < 1] t2 < π 2 BI (36)(5) BI (49)(2) μ− 12 x tan dx = π sec μπ (sin x + cos x) cos x |Re μ| < 12 BI (61)(1, 2) 404 3.653 Trigonometric Functions π/2 1. 0 π/2 2.11 0 tan1−2μ x dx = a2 cos2 x + b2 sin2 x μ tan x dx = 1 − a sin2 x π/2 0 π/2 0 3.653 cot1−2μ x dx π = 2μ 2−2μ 2 2 2 2 2a b sin μπ a sin x + b cos x [0 < Re μ < 1] μ π sec cot x dx = 2 1 − a cos x 2 (1 − GW (331)(59b) μπ 2 a)μ+1 [|Re μ| < 1, π/2 + π , μπ tan±μ x dx π cosec t sec cos − t μ = 2 2 2 1 − cos2 t sin2 2x 0 |Re μ| < 1, a < 1] BI (49)(6) 3. t2 < π 2 BI(49)(7), BI(47)(21) 4. 5. π/2 π/2 + π , tan±μ x sin 2x μπ sin − t μ dx = π cosec 2t cosec 2 2 1 − cos2 t sin2 2x 0 |Re μ| < 1, t2 < π 2 BI (47)(22)a π/2 π/2 + μπ , π μπ tanμ x sin2 x dx cotμ x cos2 x dx = = cosec 2t sec cos − (μ + 1)t 2 1 − cos2 t sin2 2x 1 − cos2 t sin2 2x 2 0 0 2 |Re μ| < 1, t2 < π 2 BI(47)(23)a, BI(49)(10) 6. 0 3.654 π/2 1. tanμ x cos2 x dx = 1 − cos2 t sin2 2x tanμ+1 x cos2 x dx (1 + cos t sin 2x) 0 2 π/2 0 + μπ , μπ cotμ x sin2 x dx π cosec 2t sec cos − (μ − 1)t = 2 2 1 − cos2 t sin2 2x 2 |Re μ| < 1, t2 < π 2 BI(47)(24)a, BI(49)(9) π/2 = 0 cotμ+1 x sin2 x dx 2 (1 + cos t sin 2x) = π (μ sin t cos μt − cos t sin μt) 2 sin μπ sin3 t |Re μ| < 1, t2 < π 2 BI(48)(3), BI(49)(22) π/2 2. 2 (sin x + cos x) 0 π/2 3. 0 3.655 0 tan±μ x dx π/2 = μπ sin μπ μπ tan±(μ−1)x dx π = ± cot 2 2 2 2 cos x − sin x tan2μ−1 x dx = 1 − 2a cos t1 sin2 x + cos t2 cos2 x + a2 π/2 [0 < Re μ < 1] BI (56)(9)a [0 < Re μ < 2] BI (45)(27, 29) cot2μ−1 x dx 1 − 2a cos t1 cos2 x + cos t2 sin2 x + a2 0 π cosec μπ = 2 )μ (1 − 2a cos t + a2 ) 1 − μ (1 − 2a cos t + a 2 1 0 < Re μ < 1, t21 < π 2 , t22 < π 2 BI (50)(18) 3.662 3.656 Trigonometric functions: powers of linear functions π/4 1. 0 tanμ x dx 1 = 2 2 12 1 − sin x cos x μ+1 μ+2 −ψ 6 6 μ+4 μ+5 μ+2 μ+1 +ψ + 2ψ − 2ψ 6 6 3 3 [Re μ > −1] (cf. 3.651 1 and 2) LI (36)(10) −ψ +ψ π/2 2. 0 tanμ−1 x cos2 x dx = 1 − sin2 x cos2 x 405 π/2 0 π cotμ−1 x sin2 x dx μπ = √ cosec cosec 2 2 6 1 − sin x cos x 4 3 [0 < Re μ < 4] 2+μ π 6 LI (47)(26) 3.66 Forms containing powers of linear functions of trigonometric functions 3.661 2π 1. (a sin x + b cos x) 2n+1 (a sin x + b cos x) 2n dx = 0 BI (68)(9) 0 2π 2. 0 π 3. n (a + b cos x) dx = 0 4. 0 π dx n+1 (a + b cos x) n (2n − 1)!! · 2π a2 + b2 (2n)!! dx = 1 2 n n (a + b cos x) dx = π a2 − b2 2 P n 2π 0 π/2 π/2 μ (sec x − 1) sin x dx = 1. √ a − b2 a2 n/2 k π (−1)k (2n − 2k)! n−2k 2 = n a a − b2 2 k!(n − k)!(n − 2k)! k=0 2 a > b2 a dx 1 2π π √ = = n+1 P n 2 − b2 2 0 (a + b cos x)n+1 2 2 2 a (a − b ) n a+b π (2n − 2k − 1)!!(2k − 1)!! √ = · n n 2 2 (n − k)!k! a−b 2 (a + b) a − b k=0 3.662 BI (68)(8) 0 [a > |b|] π/2 μ μ (cosec x − 1) sin 2x dx = (1 − μ)μπ cosec μπ 0 π/2 μ (sec x − 1) tan x dx = 3. 0 0 π/2 [−1 < Re μ < 2] BI (55)(13) BI (48)(7) μ (cosec x − 1) cot x dx = −π cosec μπ 0 π/4 μ (cot x − 1) 4. GW(332)(38), LI(64)(14) 0 2. k (cosec x − 1) cos x dx = μπ cosec μπ [|Re μ| < 1] GW (332)(37a) π dx = − cosec μπ sin 2x 2 [−1 < Re μ < 0] BI (46)(4,6) [−1 < Re μ < 0] BI (38)(22)a 406 Trigonometric Functions π/4 dx = μπ cosec μπ cos2 x μ (cot x − 1) 5. 0 3.663 u ν− 12 (cos x − cos u) 1. cos ax dx = 0 ν−1 (cos x − cos u) 2. [|Re μ| < 1] BI (38)(11)a π 1 sinν u Γ ν + P −ν 1 (cos u) 2 2 a− 2 Re ν > − 12 ; a > 0, √ u 3.663 cos[(ν + β)x] dx = 0 0<u<π EH I 159(27), ET I 22(28) 2ν−1 π Γ(β + 1) Γ(ν) Γ(2ν) sin u ν C β (cos u) 1 ν 2 Γ(β + 2ν) Γ ν + 2 [Re ν > 0, Re β > −1, 0 < u < π] EH I 178(23) 3.664 π z+ 1. z 2 − 1 cos x q dx = π P q (z) + Re z > 0, 0 π 2. 0 z+ √ arg z + z 2 − 1 cos x q z + z 2 − 1 cos x μ π z+ cos nx dx = 0 4. z 2 − 1 cos x = arg z for x = dx q = π P q−1 (z) z 2 − 1 cos x + Re z > 0, 3. arg z + π, 2 z 2 − 1 cos x = arg z for x = SM 482 π, 2 WH π P nq (z) (q + 1)(q + 2) · · · (q + n) π Re z > 0, arg z + z 2 − 1 cos x = arg z for x = , 2 z lies outside the interval (−1, 1) of the real axis WH, SM 483(15) π 0 sin2ν−1 x dx 2 22ν−1 Γ(μ + 1) [Γ(ν)] C νμ (z) Γ(2ν + μ) √ 1 1−ν π Γ(ν) Γ(2ν) Γ(μ + 1) ν π 2 ν 2 −ν = z − 1 4 2 Γ(ν) P μ+ν− C μ (z) = 2 1 (z) 1 2 2 Γ(2ν + μ) Γ ν + 2 EH I 155(6)a, EH I 178(22) [Re ν > 0] 2π + , ν ν−1 dx β + β 2 − 1 cos(a − x) γ + γ 2 − 1 cos x 0 = 2π P ν βγ − β 2 − 1 γ 2 − 1 cos a = 5. [Re β > 0, Re γ > 0] EH I 157(18) 3.667 3.665 Trigonometric functions: powers of linear functions π 1. 0 π 2. 0 sinμ−1 x dx 2μ−1 μ μ μ = μ B 2, 2 2 2 (a + b cos x) (a − b ) [Re μ > 0, 3.666 π (β + cos x) 1. μ−ν− 12 0 π 2.6 0 4. 5.10 3.667 FI II 790a EH I 81(9) Re ν > − 12 √ π μ+ν (cosh β + sinh β cos x) sin−2ν x dx = ν sinhν (β) Γ 12 − ν P νμ (cosh β) 2 Re ν < 12 π 1 μ 0 |a| < 1] μ 1 2ν+ 2 e−iμπ β 2 − 1 2 Γ ν + 12 Q μν− 1 (β) 2 sin2ν x dx = Γ ν + μ+ 12 Re ν + μ + 12 > 0, (cos t + i sin t cos x) sin2ν−1 x dx = 2ν− 2 3. 0 < b < a] 1 sin2μ−1 x dx 2 1 1 ν = B μ, 2 F ν, ν − μ + 2 ; μ + 2 ; a 2 (1 + 2a cos x + a ) [Re μ > 0, 407 2π √ 1 EH I 155(5)a EH I 156(7) −ν 2 π sin 2 −ν t Γ(ν) P μ+ν− 1 (cos t) 2 Re ν > 0, t2 < π 2 1 i3m 2π Γ(ν + 1) cos ma P m ν (cos t) Γ(ν + m + 1) 0 + , π 0<t< 2 2π 3m 2π Γ(ν + 1) i ν sin ma P m [cos t + i sin t cos(a − x)] sin mx dx = ν (cos t) Γ(ν + m + 1) 0 + π, 0<t< 2 EH I 158(23) ν [cos t + i sin t cos(a − x)] cos mx dx = π/4 1. 2μ (cos x + sin x) 0 sinμ−1 2x dx π/4 2. EH I 159(26) √ = π Γ(μ) 2μ+1 Γ μ + 12 sinμ x dx μ+1 (cos x − sin x) 0 EH I 159(25) cos x = −π cosec μπ [Re μ > 0] [−1 < Re μ < 0] BI (37)(1) (cf. 3.192 2) BI (37)(16) π/4 3. 0 π/4 4. 0 5. 0 π/4 μ π (cos x − sin x) dx = − cosec μπ sinμ x sin 2x 2 [−1 < Re μ < 0] sinμ x dx π = cosec μπ μ 2 (cos x − sin x) sin 2x [0 < Re μ < 1] sinμ x dx = μπ cosec μπ μ (cos x − sin x) cos2 x [|Re μ| < 1] BI (35)(27) LI (37)(20)a BI (37)(17) 408 Trigonometric Functions π/4 sinμ x dx 6. μ−1 (cos x − sin x) 0 π/2 sinμ−1 x cosν−1 x 7. μ+ν (sin x + cos x) 0 3.668 π 4 −π 4 v 2. u μ−1 π/2 0 3.670 2.∗ π √ 0 dx = a ± b cos x [Re μ > 0, BI(35)(24), BI(37)(18) Re ν > 0] BI (48)(8) π 2 sin (π cos2 t) μ−1 1 − 2a cos u + a2 sin x dx π · = μ · 2 2 1 − 2a cos x + a sin μπ (1 − 2a cos v + a ) 0 < Re μ < 1, a2 < 1 π√ 0 [|Re μ| < 1] dx = B(μ, ν) sinp−1 x cosq−p−1 x dx = q (a cos x + b sin x) a ± b cos x dx = 1. 1−μ μπ cosec μπ 2 dx = (cos u − cos x) μ (cos x − cos v) 3.669 = cos 2t cos x + sin x cos x − sin x 1. cos3 x 3.668 π/2 √ −π/2 π/2 0 FI II 788 BI (73)(2) sinq−p−1 x cosp−1 x B(p, q − p) q dx = aq−p bp (a sin x + b cos x) [q > p > 0, ab > 0] √ a ± b cos x dx = 2 a + b K π/2 dx 2 √ =√ E a+b −π/2 a ± b sin x 2b a+b BI (331)(9) [a > b > 0] 2b a+b [a > b > 0] 3.67 Square roots of expressions containing trigonometric functions 3.671 π/2 1. 0 1 sinα x cosβ x 1 − k 2 sin2 x dx = B 2 α+1 β+1 α+1 1 α+β+2 2 , ,− ; ;k F 2 2 2 2 2 [α > −1, β > −1, |k| < 1] GW (331)(93) π/2 2. 0 sinα x cosβ x 1 dx = B 2 2 2 1 − k sin x α+1 β+1 , 2 2 F α+1 1 α+β+2 2 , ; ;k 2 2 2 [α > −1, β > −1, |k| < 1] GW (331)(92) 3. 0 π 2n sin x dx 1 − k 2 sin x 2 = π 2n ∞ j=0 (2j − 1)!! (2n + 2j − 1)!! 2j k 22j j!(n + j)! ∞ 2 (2n − 1)!!π [(2j − 1)!!] √ = 2n 1 − k 2 j=0 22j j!(n + j)! k2 2 k −1 j k2 < 1 k2 < 1 2 LI (67)(2) 3.676 4.∗ Trigonometric functions and square roots π√ a + b cos x dx = √ √ a + b sin x dx = 2 a + bE −π/2 0 5.∗ π/2 π √ 0 dx = a ± b cos x π/2 dx 2 √ K = a + b a ± b sin x −π/2 409 2b a+b [a > b] 2b a+b [a > b] 3.672 π/4 1. 0 π/4 2. 0 π 2 3.673 dx sinn x (2n)!! · =2· cosn+1 x (2n + 1)!! cos x (cos x − sin x) BI (39)(5) dx sinn x (2n − 1)!! · π = n+1 cos x (2n)!! sin x (cos x − sin x) BI (39)(6) √ u 3.674 1.8 π 2 0 π 2. 0 π 3.8 0 3.675 1. 2. 3.676 1. 2. √ dx π − 2u = 2K sin 4 sin x − sin u dx 1 − (p2 /2) (1 − cos 2x) = K(p), =2 1 − 2p cos x + p2 2 = p cos x dx 1 − 2p cos x + p2 = 2 1 1+p K p 1+p √ 2 p 1+p p2 ≤ 1 p2 ≥ 1 BI (67)(5) √ 2 p − (1 + p)E 1+p 2 p <1 BI (67)(6) BI (67)(7) π WH FI II 684, WH π/2 sin x dx 1 = arctan p 2 2 p 0 1 + p sin x π/2 < tan2 x 1 − p2 sin2 x dx = ∞ 0 [1 > p > 0] sin x dx sin n + 12 x dx π = P n (cos u) 2 2 (cos u − cos x) u u cos n + 12 x dx π = P n (cos u) 2 2 (cos x − cos u) 0 BI (74)(11) BI (60)(5) BI (53)(8) 410 Trigonometric Functions π/2 3. 0 3.677 1. 2. 3.678 dx 1 = K 2 2 2 2 p p cos x + q sin x p2 − q 2 p 3.677 [0 < q < p] √ √ √ 1 sin2 x dx 2 2 −√ K = 2E 2 2 2 2 0 1 + sin x % √ √ & π/2 √ cos2 x dx 2 2 = 2 K −E 2 2 2 0 1 + sin x π/2 dx = ln 2 tan x 0 π/4 tan2 x dx 1 = 1 − k 2 − E(k) + K(k) 2 2 2 0 1 − k sin 2x u π cos 2x − cos 2u π2 2 dx = (1 − cos u) u < cos 2x + 1 2 4 0 π/4 n− 12 √ (cos x − sin x) (2n − 1)!! π cosec x dx = n+1 cos x (2n)!! 0 π/4 n− 1 √ (cos x − sin x) 2 (2n − 1)!!(2m − 1)!! tanm x cosec x dx = π n+1 x cos (2n + 2m)!! 0 2. 3. 4. 5. 3.679 BI (60)(2) BI (60)(3) π/4 sec1/2 2x − 1 1. FI II 165 π/2 1. 0 BI (38)(23) BI (39)(2) LI (74)(6) BI (38)(24) BI (38)(25) dx cos2 x · 1 − cos2 β cos2 x 1 − k 2 sin2 x π 1 ∗ − K E (β, k = ) − E F (β, k ) + K F (β, k ) sin β cos β 1 − k 2 sin2 β 2 MO 138 π/2 2. 0 2 sin x dx · 1 − 1 − k 2 sin2 β sin2 x 1 − k 2 sin2 x π 1 ∗ − K E (β, k = ) − E F (β, k ) + K F (β, k ) k 2 sin β cos β 1 − k 2 sin2 β 2 MO 138 3. 0 ∗ In π/2 sin x K E (β, k) − E F (β, k) dx = · 2 2 sin β sin x k 2 sin β cos β 1 − k 2 sin2 β 1 − k 2 sin2 x 2 1− 3.679, k = √ k2 1 − k2 . MO 138 3.683 Trigonometric functions: various powers 411 3.68 Various forms of powers of trigonometric functions 3.681 π/2 1. 0 π/2 2. 0 π/2 3. 0 π/2 4.8 0 sin2μ−1 x cos2ν−1 x dx 1 = B(μ, ν) F , μ; μ + ν; k 2 2 2 1 − k 2 sin x 2μ−1 [Re μ > 0, Re ν > 0] EH I 115(7) [Re μ > 0, Re ν > 0] EH I 10(20) 2ν−1 sin x cos x dx B(μ, ν) μ+ν = μ 2 2 (1 − k 2 ) 1 − k 2 sin x sinμ x dx μ −1 cosμ−3 x 1 − k 2 sin2 x 2 Γ μ+1 Γ 2 − μ2 2 = k 3 π(μ − 1)(μ − 3)(μ − 5) 1 + (μ − 3)k + k 2 1 − (μ − 3)k + k 2 − (1 + k)μ−3 (1 − k)μ−3 [−1 < Re μ < 4] BI (54)(10) sinμ+1 x dx μ (1 − k)−μ − (1 + k)−μ √ Γ Γ 1+ μ+1 = 2 2kμ π 2 2 μ 2 cos x 1 − k sin x 1−μ 2 [−2 < Re μ < 1] π/2 3.682 0 sinμ x cosν x 1 B dx = 2a (a − b cos2 x) μ+1 ν+1 , 2 2 F BI (61)(5) μ+ν b ν+1 , ; + 1; 2 2 a [Re μ > −1, Re ν > −1, a > |b| ≥ 0] GW (331)(64) 3.683 π/4 (sinn 2x − 1) tan 1. 0 2. 3. π + x dx = 4 11 2 k n π/4 (cosn 2x − 1) cot x dx = − 0 k=1 1 = − [C + ψ(n + 1)] 2 [n ≥ 0] BI(34)(8), BI(35)(11) π/4 π/4 π + x dx = (sinμ 2x − 1) cosecμ 2x tan (cosμ 2x − 1) secμ 2x cot x dx 4 0 0 1 = [C + ψ(1 − μ)] 2 [Re μ < 1] BI (35)(20) π/4 π4 2μ 2μ π + x dx = sin 2x − 1 cosecμ 2x tan cos 2x − 1 secμ 2x cot x dx 4 0 0 1 π =− + cot μπ 2μ 2 BI (35)(21) π/4 π/4 (1 − secμ 2x) cot x dx = 4. 0 (1 − cosecμ 2x) tan 0 1 π + x dx = [C + ψ(1 − μ)] 4 2 [Re μ < 1] BI (35)(13) 412 Trigonometric Functions π/4 3.684 0 (cotμ x − 1) dx = (cos x − sin x) sin x π/2 0 3.684 (tanμ x − 1) dx = −C − ψ(1 − μ) (sin x − cos x) cos x [Re μ < 1] BI (37)(9) 3.685 π/4 1. 0 μ−1 π + x dx = sin 2x − sinν−1 2x tan 4 = π/2 2. 0 μ−1 dx sin = x − sinν−1 x cos x π/2 0 π/4 cosμ−1 2x − cosν−1 2x cot x dx 0 1 [ψ(ν) − ψ(μ)] 2 [Re μ > 0, Re ν > 0] dx 1+ ν μ , cosμ−1 x − cosν−1 x = ψ −ψ sin x 2 2 2 [Re μ > 0, π/2 (sinμ x − cosecμ x) 3. 0 dx = cos x BI(34)(9), BI(35)(12) π/2 (cosμ x − secμ x) 0 Re ν > 0] π μπ dx = − tan sin x 2 2 [|Re μ| < 1] π/4 (sinμ 2x − cosecμ 2x) cot 4. 0 π + x dx = 4 BI (46)(2) BI (46)(1, 3) π/4 (cosμ 2x − secμ 2x) tan x dx 0 π 1 − cosec μπ 2μ 2 [|Re μ| < 1] BI (35)(19, 22) π/4 π/4 π + x dx = 5. (sinμ 2x − cosecμ 2x) tan (cosμ 2x − secμ 2x) cot x dx 4 0 0 π 1 + cot μπ =− 2μ 2 [|Re μ| < 1] BI (35)(14) π/4 μ−1 π + x dx sin 6. 2x + cosecμ 2x cot 4 0 π/4 μ−1 π = cos 2x + secμ 2x tan x dx = cosec μπ 4 0 [0 < Re μ < 1] BI (35)(18, 8) π/4 π/4 μ−1 μ−1 π π μ + x dx = sin cos 7. 2x − cosec 2x tan 2x − secμ 2x cot x dx = cot μπ 4 2 0 0 [0 < Re μ < 1] BI(35)(7), LI(34)(10) π/2 π/2 π tan x dx cot x dx = = 3.686 BI(47)(28), BI(49)(14) μ μ μ μ cos x + sec x sin x + cosec x 4μ 0 0 3.687 π/2 μ−1 π/2 cos ν−μ sin x + sinν−1 x cosμ−1 x + cosν−1 x μ ν 4 π 1. dx = , B dx = ν+μ cosμ+ν−1 x 2 2 sinμ+ν−1 x 0 0 π 2 cos 4 [Re μ > 0, Re ν > 0, Re(μ + ν) < 2] = BI (46)(7) 3.688 Trigonometric functions: various powers π/2 2. 0 sinμ−1 x − sinν−1 x dx = cosμ+ν−1 x π/2 0 413 sin ν−μ cosμ−1 x − cosν−1 x μ ν 4 π B dx = , 2 2 sinμ+ν−1 x 2 sin ν+μ π 4 [Re μ > 0, Re ν > 0, Re(μ + ν) < 4] BI(46)(8) π/2 3. 0 sinμ x + sinν x cot x dx = sinμ+ν x + 1 π 2 0 μ−ν π π cosμ x + cosν x tan x dx = sec · cosμ+ν x + 1 μ+ν μ+ν 2 [Re μ > 0, Re ν > 0] BI (49)(15)a, BI (47)(29) π/2 4. 0 sinμ x − sinν x cot x dx = sinμ+ν x − 1 π 2 0 μ−ν π π cosμ x − cosν x tan x dx = tan · cosμ+ν x − 1 μ+ν μ+ν 2 [Re μ > 0, Re ν > 0] BI(149)(16)a, BI(47)(30) π/2 5. 0 π/2 6. 0 3.688 π/4 1. 0 π/4 2. 0 μ π π cosμ x + secμ x tan x dx = sec · cosν x + secν x 2ν ν 2 [|Re ν| > |Re μ|] BI (49)(12) π μ π cosμ x − secμ x tan x dx = tan · cosν x − secν x 2ν ν 2 [|Re ν| > |Re μ|] BI (49)(13) tanν x − tanμ x dx · = ψ(μ) − ψ(ν) cos x − sin x sin x [Re μ > 0, BI (37)(10) tanμ x − tan1−μ x dx · = π cot μπ cos x − sin x sin x [0 < Re μ < 1] π/4 (tanμ x + cotμ x) dx = 3. 0 μπ π sec 2 2 π/4 (tanμ x − cotμ x) tan x dx = 4. 0 π/4 5. 0 π/4 6. 0 π/4 7. 0 π/4 8. 0 π/4 9. 0 10. 0 π/4 π μπ 1 − cosec μ 2 2 Re ν > 0] [|Re μ| < 1] BI (37)(11) BI (35)(9) [0 < Re μ < 2] BI (35)(15) π μπ tanμ−1 x − cotμ−1 x dx = cot cos 2x 2 2 [|Re μ| < 2] BI (35)(10) 1 π μπ tanμ x − cotμ x tan x dx = − + cot cos 2x μ 2 2 [−2 < Re μ < 0] BI (35)(23) tanμ x + cotμ x dx = π cosec t cosec μπ sin μt 1 + cos t sin 2x [t = nπ, tanμ−1 x + cotμ x dx = π cosec μπ (sin x + cos x) cos x [0 < Re μ < 1] BI (37)(3) tanμ x − cotμ x 1 dx = −π cosec μπ + (sin x + cos x) cos x μ [0 < Re μ < 1] BI (37)(4) tanν x − cotμ x dx = ψ(1 − μ) − ψ(1 + ν) (cos x − sin x) cos x [Re μ < 1, |Re μ| < 1] Re ν > −1] BI (36)(6) BI (37)(5) 414 Trigonometric Functions π/4 11. 0 π/4 12. 0 13. 14. 3.689 tanμ−1 x − cotμ x dx = π cot μπ (cos x − sin x) cos x [0 < Re μ < 1] BI (37)(7) 1 tanμ x − cotμ x dx = π cot μπ − (cos x − sin x) cos x μ [0 < Re μ < 1] BI (37)(8) π/4 dx π 1 · = [Re μ = 0] BI (37)(12) μ tan x + cot x sin 2x 8μ 0 √ π/2 π/2 1 1 π Γ(ν) dx dx = = 2ν+1 ν · ν · μ μ μ μ 2 μ Γ ν + 12 (tan x + cot x) tan x (tan x + cot x) sin 2x 0 0 μ [ν > 0] π/4 (tanμ x − cotμ x) (tanν x − cotν x) dx = 15. 0 BI(49)(25), BI(49)(26) μπ 2 sin νπ 2π sin 2 cos μπ + cos νπ [|Re μ| < 1, π/4 (tanμ x + cotμ x) (tanν x + cotν x) dx = 16. 0 π/4 17. 0 π/4 18. 0 π/4 19. 0 π/2 20. 3.689 π/2 1. 0 2. |Re ν| < 1] BI (35)(25) [0 < Re ν < 1] BI (37)(14) dx π νπ tanν x + cotν x · = sec tanμ x + cotμ x sin 2x 4μ 2μ [0 < Re ν < 1] BI (37)(13) [μ > 0, BI (49)(29) ν (1 + tan x) − 1 μ+ν dx = ψ(μ + ν) − ψ(μ) sin x cos x ν > 0] π μπ μt (sinμ x + cosecμ x) cot x dx = cosec t cosec sin sinν x − 2 cos t + cosecν x ν ν ν [μ < ν] BI (35)(16) dx π νπ tanν x − cotν x · = tan tanμ x − cotμ x sin 2x 4μ 2μ (1 + tan x) 0 |Re ν| < 1] sin μπ (tanμ x − cotμ x) (tanν x + cotν x) dx = −π cos 2x cos μπ + cos νπ [|Re μ| < 1, BI (35)(17) νπ 2π cos μπ 2 cos 2 cos μπ + cos νπ [|Re μ| < 1, |Re ν| < 1] LI (50)(14) π μt2 t2 sinμ x − 2 cos t1 + cosecμ x μπ · cot x dx = cosec t2 cosec sin − cosec t2 cos t1 ν νx sin x + 2 cos t + cosec ν ν ν ν 2 0 [(ν > μ > 0) or (ν < μ < 0) or (μ > 0, ν < 0, and μ + ν < 0) or (μ < 0, ν > 0, and μ + ν > 0)] π/2 BI (50)(15) 3.691 Trigonometric functions: complicated arguments 415 3.69–3.71 Trigonometric functions of more complicated arguments 3.691 ∞ 1. 2 sin ax dx = 0 0 1 2. sin ax2 dx = 0 3. 4. ∞ 1 cos ax dx = 2 2 π 2a π √ S a 2a cos ax2 dx = ∞ 5. 0 ∞ 6. 1 sin ax2 cos 2bx dx = 2 2 cos ax sin 2bx dx = 0 ∞ 7. 0 1 2 [a > 0] 2 π 2a cos b2 + sin S a b √ a 2 b b − sin a a 0 ∞ 9. 0 π 2a π 2a b2 sin C a 11. 0 [a > 0, b > 0] b2 π 1 π cos + = 2 a a 4 [a > 0, b > 0] b2 − cos S a b √ a 2 cos b b2 + sin a a (cos ax + sin ax) sin b2 x2 dx 1 π = 2b 2 1 + 2C (cos ax + sin ax) cos b2 x2 dx 1 π = 2b 2 1 + 2C a 2b a 2b √ ∞ 2bc π sin 2 cos sin a2 x2 sin 2bx sin 2cx dx = 2a a 0 b √ a ET I 82(1)a ET I 82(18), BI(70)(13) GW(334)(5a) 10. ET I 8(5)a b √ a [a > 0, b > 0] [a > 0, b > 0] ET I 83(3)a GW(334)(5a), BI(70)(14), ET I 24(7) ∞ 8. cos ax2 cos 2bx dx = FI II 743a, ET I 64(7)a [a > 0] √ π C a 2a 0 ∞ 2 π b2 sin ax sin 2bx dx = cos C 2a a 0 1 [a > 0] ∞ sin a2 x2 cos 2bx cos 2cx dx = √ 2bc π cos 2 cos 2a a a2 cos − 1 − 2S 4b2 [a > 0, b > 0] a 2b a2 sin + 1 − 2S 4b2 [a > 0, b > 0] a 2b sin a2 4b2 ET I 85(22) cos a2 4b2 ET I 25(21) b 2 + c2 π − a2 4 [a > 0, b > 0, c > 0] ET I 84(15) b > 0, c > 0] ET I 84(21) b 2 + c2 π + 2 a 4 [a > 0, 416 Trigonometric Functions ∞ 12. 2 2 cos a x 0 ∞ 13. 0 ∞ 14. 0 ∞ 15. 0 ∞ 16. 0 ∞ 17. 0 ∞ 18. 0 ∞ 19. 0 ∞ 20. √ π 2bc sin 2 sin sin 2bx sin 2cx dx = 2a a 1 π sin ax2 cos bx2 dx = 4 2 1 π = 4 2 2 2 1 cos ax − sin2 bx2 dx = 8 π − b 2 2 1 cos ax − cos2 bx2 dx = 8 π + b 4 2 1 cos ax − sin4 bx2 dx = 8 π + a sin2n ax2 dx = 21. 2n+1 sin 2 ax dx = 0 [a > b > 0] [b > a > 0] b > 0] BI (178)(1) π a [a > 0, b > 0] BI (178)(3) [a > 0, b > 0] BI (178)(5) [a > 0, b > 0] π π 1 − + 32 2a 2b BI (178)(2) π − b π b π a [a > 0, π π − a b b > 0] BI (178)(4) [a > 0, b > 0] BI (178)(6) cos2n ax2 dx = ∞ BI (177)(5, 6) 0 ∞ 1 22n+1 n n+k (−1) k=0 2n + 1 k π 2(2n − 2k + 1)a [a > 0] ∞ 22. cos2n+1 ax2 dx = 0 1 22n+1 n k=0 2n + 1 k ∞ 1. sin a − x2 + cos a − x2 dx = 0 2. ∞ cos 0 x2 π − 2 8 cos ax dx = π cos 2 BI (70)(9) π 2(2n − 2k + 1)a [a > 0] 3.692 ET I 25(19) [a > 0, π b √ 4 2 1 8+ 2 cos ax − cos4 bx2 dx = 64 c > 0] π a π − a b > 0, BI (177)(21) √ 4 2 1 8− 2 sin ax − sin4 bx2 x = 64 0 1 1 √ +√ a+b a−b 1 1 √ −√ b+a b−a 2 2 1 sin ax − sin2 bx2 dx = 8 ∞ b 2 + c2 π − 2 a 4 [a > 0, 3.692 π sin a a a2 π − 2 8 BI(177)(7)a, BI(70)(10) GW(333)(30c), BI(178)(7)a [a > 0] ET I 24(8) 3.695 Trigonometric functions: complicated arguments ∞ 3. 0 ∞ 4. 0 ∞ 5. 1 sin a 1 − x2 cos bx dx = − 2 1 cos a 1 − x2 cos bx dx = 2 sin ax2 + 0 b2 a 417 b2 π π cos a + + a 4a 4 [a > 0] ET I 23(2) 2 b π π sin a + + a 4a 4 [a > 0] ∞ cos 2bx dx = cos ax2 + 0 b2 a cos 2bx dx = 1 2 ET I 24(10) π 2a [a > 0] 6.8 3.693 ∞ ∞ BI (70)(19, 20) ∞ + , π cos x2 − 1 − cos x2 + 1 dx = 4n+1 [(2n)!]2 n + 1 −∞ n=0 2 2 1. sin ax2 + 2bx dx = 0 ∞ 2. cos ax2 + 2bx dx = 0 π 2a cos b2 a b2 a 1 − S2 2 − sin b2 a 1 − C2 2 [a > 0] π 2a cos b2 a b2 a 1 − C2 2 + sin b2 a 1 − S2 2 [a > 0] 3.694 ∞ 1. sin ax2 + 2bx + c dx = 0 ∞ 2. 2 3 3 cos ax + 2bx + c dx = 0 3.695 ∞ 1. sin a x 0 2. 0 ∞ b2 a b2 π cos 2a a b2 π sin + 2a a π cos a3 x3 cos(bx) dx = 6a b 3a b 3a J 13 J 13 BI (70)(3) BI (70)(4) b2 b2 1 1 − C2 − S2 sin c + cos c 2 a 2 a b2 b2 1 1 − S2 − C2 sin c − cos c 2 a 2 a [a > 0] GW (334)(4a) b2 b2 1 1 − C2 − S2 cos c − sin c 2 a 2 a b2 b2 1 1 − S2 − C2 cos c + sin c 2 a 2 a [a > 0] GW (334)(4b) b2 π cos 2a a b2 π sin + 2a a π sin(bx) dx = 6a b2 a 2b 3a 2b 3a b 3a b 3a + J − 13 2b 3a b 3a √ 3 b 2b − K 13 π 3a 3a [a > 0, b > 0] ET I 83(5) √ 3 b b 2b 2b + J − 13 + K 13 3a 3a π 3a 3a [a > 0, b > 0] ET I 24(11) 418 3.696 Trigonometric Functions ∞ 4 sin ax 1. 2 sin bx 0 ∞ 2. 0 ∞ 3. 0 ∞ 4. 0 π dx = − 4 π sin ax4 cos bx2 dx = − 4 π cos ax4 sin bx2 dx = 4 π cos ax4 cos bx2 dx = 4 b sin 2a 3.696 b2 3 − π J 14 8a 8 b2 8a [a > 0, b sin 2a b2 π − 8a 8 J − 14 b cos 2a 2 b 3 − π J 14 8a 8 b2 π − 8a 8 J − 14 sin a2 x √ aπ sin(bx) dx = √ J 1 2a b 2 b sin a2 x2 1 sin b2 x2 dx = 4b ∞ 0 3.698 ∞ 1. 0 ∞ 2.8 2 sin a x2 cos a2 x2 0 ∞ 3. 0 ∞ 4. cos 0 a2 x2 1 cos b2 x2 dx = 4b 2 2 sin b x 1 dx = 4b 1 cos b2 x2 dx = 4b [a > 0, 1. 2. 3. b > 0] ET I 83(4), ET I 25(24) b > 0] ET I 25(25) b2 8a b > 0] ET I 83(6) π sin 2ab − cos 2ab + e−2ab 2 [a > 0, b > 0] π sin 2ab + cos 2ab − e−2ab 2 ET I 24(13) [a > 0, b > 0] ET I 84(12) b > 0] ET I 24(14) π cos 2ab − sin 2ab + e−2ab 2 √ 2π (cos 2ab + sin 2ab) [a > 0, b > 0] dx = 4a 0 √ ∞ 2π b2 2 2 (cos 2ab − sin 2ab) [a > 0, b > 0] cos a x + 2 dx = x 4a 0 √ ∞ ∞ 2π b2 b2 2 2 2 2 sin a x − 2ab + 2 dx = cos a x − 2ab + 2 dx = x x 4a 0 0 [a > 0, b > 0] ∞ b2 sin a x + 2 x 2 2 ET I 83(9) π sin 2ab + cos 2ab + e−2ab 2 [a > 0, 3.699 ET I 84(19) b 8a [a > 0, 3.697 b > 0] 2 [a > 0, b cos 2a ET I 83(2) b2 8a [a > 0, b > 0] BI (70)(27) BI (70)(28) BI(179)(11, 12)a, ET I 83(6) 3.715 Trigonometric functions: complicated arguments ∞ 4. 0 ∞ 5. cos a2 x2 − 0 u 3.711 0 √ 2π −2ab e dx = 4a √ 2π −2ab e dx = 4a b2 sin a x − 2 x 2 2 b2 x2 419 [a > 0, b > 0] GW (334)(9b)a [a > 0, b > 0] GW (334)(9b)a πau sin a u2 − x2 cos bx dx = √ J 1 u a2 + b 2 2 2 2 a +b [a > 0, b > 0, u > 0] ET I 27(37) 3.712 ∞ 1. sin (axp ) dx = Γ ∞ 2. 1 cos (axp ) dx = Γ [a > 0, p > 1] EH I 13(40) 1 p π cos 2p 1 [a > 0, p > 1] EH I 13(39) pa p 0 3.713 π sin 2p pa p 0 1 p ∞ 1. 0 ∞ 1 (−b)k − kq+1 a p Γ sin (ax + bx ) dx = p k! p kq + 1 p q k=0 k(q − p) + 1 π sin 2p [a > 0, b > 0, p > 0, q > 0] BI (70)(7) ∞ 2. ∞ cos (axp + bxq ) dx = 0 1 (−b)k −(kq+1)/p a Γ p k! k=0 kq + 1 k(q − p) + 1 π cos p 2p [a > 0, b > 0, p > 0, q > 0] BI (70)(8) 3.714 1. ∞ cos (z sinh x) dx = K 0 (z) [Re z > 0] WA 202(14) [Re z > 0] MO 36 [Re z > 0] MO 37 0 ∞ 2. sin (z cosh x) dx = 0 ∞ 3. 0 π J 0 (z) 2 cos (z cosh x) dx = − π Y 0 (z) 2 ∞ 4. cos (z sinh x) cosh μx dx = cos 0 π cos (z cosh x) sin2μ x dx = 5. 0 3.715 1. √ π μπ K μ (z) 2 2 z μ Γ μ+ 1 2 π sin (z sin x) sin ax dx = sin aπ s 0,a (z) = sin aπ 0 [Re z > 0, |Re μ| < 1] I μ (z) Re z > 0, Re μ > − 12 ∞ k=1 (12 − WA 202(13) WH (−1)k−1 z 2k−1 − a2 ) . . . [(2k − 1)2 − a2 ] a2 ) (32 [a > 0] WA 338(13) 420 Trigonometric Functions π 2. π/2 3. sin (z sin x) sin 2x dx = 0 π sin (z sin x) sin nx dx π/2 π = [1 − (−1)n ] sin (z sin x) sin nx dx = [1 − (−1)n ] J n (z) 2 0 [n = 0, ±1, ±2, . . .] WA 30(6), GW(334)(153a) 0 1 sin (z sin x) sin nx dx = 2 3.715 −π 2 (sin z − z cos z) z2 LI (43)(14) π 4. sin (z sin x) cos ax dx = (1 + cos aπ) s 0,a (z) 0 = (1 + cos aπ) ∞ k=1 (−1)k−1 z 2k−1 (12 − a2 ) (32 − a2 ) . . . [(2k − 1)2 − a2 ] [a > 0] WA 338(14) π 5. sin (z sin x) cos[(2n + 1)x] dx = 0 GW (334)(53b) 0 π cos (z sin x) sin ax dx = −a (1 − cos aπ) s −1,a (z) ∞ 1 (−1)k−1 z 2k = −a (1 − cos aπ) − 2 + a a2 (22 − a2 ) (42 − a2 ) . . . [(2k)2 − a2 ] 6. 0 k=1 [a > 0] WA 338(12) π 7. cos (z sin x) sin 2nx dx = 0 GW (334)(54a) 0 π cos (z sin x) cos ax dx = −a sin aπ s −1,a (z) ∞ 1 (−1)k−1 z 2k = −a sin aπ − 2 + a a2 (22 − a2 ) (42 − a2 ) . . . [(2k)2 − a2 ] 8. 0 k=1 9. π cos (z sin x) cos nx dx = 1 2 [a > 0] WA 338(11) π cos (z sin x) cos nx dx π/2 π n = [1 + (−1) ] cos (z sin x) cos nx dx = [1 + (−1)n ] J n (z) 2 0 0 −π GW (334)(54b) π/2 cos (z sin x) cos2n x dx = 10.8 0 11. π/2 sin (z cos x) sin 2x dx = 0 π (2n − 1)!! J n (z) 2 zn 2 (sin z − z cos z) z2 [n = 0, 1, 2, . . .] FI II 486, WA 35a LI (43)(15) 3.716 Trigonometric functions: complicated arguments π/2 12.8 0 421 aπ aπ π s 0,a (z) = cosec [Ja (z) − J−a (z)] sin (z cos x) cos ax dx = cos 2 4 2 π aπ = − sec [Ea (z) + E−a (z)] 4 4 ∞ (−1)k−1 z 2k−1 aπ = cos 2 (12 − a2 ) (32 − a2 ) . . . [(2k − 1)2 − a2 ] k=1 π 13. sin (z cos x) cos nx dx = 0 1 2 [a > 0] π sin (z cos x) cos nx dx = π sin −π π/2 sin (z cos x) cos[(2n + 1)x] dx = (−1)n 14. 0 π/2 15.11 sin (a cos x) tan x dx = si(a) + 0 π/2 2ν 16. sin (z cos x) sin 0 π/2 17.7 0 √ π x dx = 2 nπ J n (z) 2 π J 2n+1 (z) 2 π 2 2 z WA 339 WA 30(8) [a > 0] ν Γ ν+ 1 2 GW (334)(55b) BI (43)(17) Hν (z) Re ν > − 12 WA 358(1) aπ s −1,a (z) cos (z cos x) cos ax dx = −a sin 2 aπ aπ π π [Ja (z) + J−a (z)] = cosec [Ea (z) − E−a (z)] = sec 4 2 4 2 ∞ aπ (−1)k−1 z 2k 1 = −a sin − 2+ 2 a a2 (22 − a2 ) (42 − a2 ) . . . [(2k)2 − a2 ] k=1 π 18. cos (z cos x) cos nx dx = 0 1 2 π cos (z cos x) cos nx dx = π cos −π π/2 cos (z cos x) cos 2nx dx = (−1)n · 19. 0 √ π/2 20. cos (z cos x) sin 2ν x dx = 0 π cos (z cos x) sin2μ x dx = 21. 0 ν Γ ν+ μ Γ μ+ 1 2 1 2 J ν (z) Re ν > − 12 J μ (z) Re μ > − 12 [a > 0] cos (a tan x) dx = π −a e 2 [a ≥ 0] π/2 nπ J n (z) 2 GW (334)(56b) WA 30(9) 1 −a e Ei(a) − ea Ei(−a) 2 0 2. 2 z WA 339 π J 2n (z) 2 sin (a tan x) dx = π/2 1. 2 z π 2 √ π 0 3.716 [a > 0] (cf. 3.723 1) WA 35, WH WH BI (43)(1) BI (43)(2) 422 Trigonometric Functions π/2 3. sin (a tan x) sin 2x dx = aπ −a e 2 [a ≥ 0] BI (43)(7) cos (a tan x) sin2 x dx = 1 − a −a πe 4 [a ≥ 0] BI (43)(8) cos (a tan x) cos2 x dx = 1 + a −a πe 4 [a ≥ 0] BI (43)(9) [a > 0] BI (43)(5) 0 π/2 4. 0 π/2 5. 0 π/2 6. sin (a tan x) tan x dx = 0 π −a e 2 π/2 cos (a tan x) tan x dx = − 7. 3.717 0 1 −a e Ei(a) + ea Ei(−a) 2 [a > 0] π/2 sin (a tan x) sin2 x tan x dx = 8. 0 [a ≥ 0] (cf. 3.742 1) BI (43)(3) cos2 (a tan x) dx = π 1 + e−2a 4 [a ≥ 0] (cf. 3.742 3) BI (43)(4) π/2 0 π/2 sin2 (a tan x) cot2 x dx = 11. 0 π/2 12. 0 π −2a e + 2a − 1 4 [a ≥ 0] BI (43)(19) dx =C 1 − sec2 x cos (tan x) tan x π/2 13. BI (43)(11) π 1 − e−2a 4 0 10. [a > 0] BI (43)(6) sin2 (a tan x) dx = π/2 9. 2 − a −a πe 4 (cf. 3.723 5) sin (a cot x) sin 2x dx = 0 BI (51)(14) aπ −a e 2 [a ≥ 0] (cf. 3.716 3) In general, formulas 3.716 remain valid if we replace tan x in the argument of the sine or cosine with cot x if we also replace sin x with cos x, cos x with sin x, hence tan x with cot x, cot x with tan x, sec x with cosec x, and cosec x with sec x in the factors. Analogously, π/2 π/2 π dx dx = = sin a [a ≥ 0] sin (a cosec x) sin (a cot x) sin (a sec x) sin (a tan x) 3.717 cos x sin x 2 0 0 BI (52)(11, 12) 3.718 π/2 1. sin 0 π p − a tan x tanp−1 x dx = 2 π/2 cos 0 π π p − a tan x tanp x dx = e−a 2 2 2 p < 1, p = 0, a ≥ 0 BI (44)(5, 6) π/2 sin (a tan x − νx) sinν−2 x dx = 0 2. [Re ν > 0, a > 0] NH 157(15) 0 3. π/2 sin (n tan x + νx) 0 π cosν−1 x dx = sin x 2 [Re ν > 0] BI (51)(15) 3.722 Trigonometric and rational functions π/2 cos (a tan x − νx) cosν−2 x dx = 4. 0 πe−a aν−1 Γ(ν) 423 [Re ν > 1, a > 0] LO V 153(112), NT 157(14) π/2 5. cos (a tan x + νx) cosν x dx = 2−ν−1 πe−a [Re ν > −1, a ≥ 0] BI (44)(4) 0 π/2 cos (a tan x − γx) cosν x dx = 6. 0 π/2 7. 0 ν (2a) πa 2 W γ2 ,− ν+1 2 · ν γ+ν +1 22 Γ 1+ 2 a > 0, Re ν > −1, sin nx − sin (nx − a tan x) cosn−1 x dx = sin x ν+γ = −1, −2, . . . 2 π/2 [n = 0, −a π (1 − e ) [n = 1, EH I 274(13)a a > 0] , a ≥ 0] LO V 153(114) 3.719 1. π 6 sin (νx − z sin x) dx = π Eν (z) WA 336(2) cos (nx − z sin x) dx = π J n (z) WH cos (νx − z sin x) dx = π Jν (z) WA 336(1) 0 π 2. 0 3. π 0 3.72–3.74 Combinations of trigonometric and rational functions 3.721 ∞ 1. 0 ∞ 2. 1 3. ∞ 8 1 3.722 ∞ 1. 0 2.11 3. π sin(ax) dx = sign a x 2 FI II 645 sin(ax) dx = − si(a) x BI 203(1) cos(ax) dx = − ci(a) x BI 203(5) sin(ax) dx = ci(aβ) sin(aβ) − cos(aβ) si(aβ) x+β [|arg β| < π, a > 0] BI(16)(1), FI II 646a ∞ sin(ax) dx = πeiaβ −∞ x + β ∞ cos(ax) dx = − sin(aβ) si(aβ) − cos(aβ) ci(aβ) x+β 0 [a > 0, Im β > 0] [|arg β| < π, a > 0] ET I 8(7), BI(160)(2) 424 Trigonometric Functions 4. 8 5.10 7.10 ∞ ∞ 0 0 4. 5.11 6. 7. 8. 9. 10. 11. [a > 0, Im β > 0] sin(ax) 1 −aβ e dx = Ei(aβ) − eaβ Ei(−aβ) 2 2 β +x 2β [a > 0, β > 0] cos(ax) π −aβ e dx = 2 2 β +x 2β [a ≥ 0, Re β > 0] ET I 65(14), BI(160)(3) FI II 741, 750, ET I 8(11), WH ∞ 3. β not real and positive] ET I 8(8), BI(161)(2)a 2. Im β > 0] ∞ 0 β not real and positive] FI II 646, BI(161)(1) cos(ax) dx = −iπeiaβ −∞ β − x 3.723 1.11 Im β > 0] ∞ sin(ax) dx = −πeiaβ [a > 0, −∞ β − x ∞ cos(ax) dx = − cos(aβ) ci(aβ) + sin(aβ) [si(aβ) + π] β−x 0 [a > 0, 8.11 ∞ cos(ax) dx = −iπeiaβ [a > 0, −∞ x + β ∞ sin(ax) dx = sin(βa) ci(βa) − cos(βa) [si(βa) + π] β−x 0 [a > 0, 6.8 3.723 x sin(ax) π dx = e−aβ β 2 + x2 2 [a > 0, Re β > 0] FI II 741, 750, ET I 65(15), WH ∞ x sin(ax) dx = πe−aβ [a > 0, Re β > 0] BI (202)(10) 2 2 −∞ β + x ∞ x cos(ax) 1 dx = − e−aβ Ei(aβ) + eaβ Ei(−aβ) [a > 0, β > 0] BI (160)(6) 2 2 β +x 2 0 ∞ sin[a(b − x)] π dx = e−ac sin(ab) [a > 0, b > 0, c > 0] LI (202)(9) 2 + x2 c c −∞ ∞ cos[a(b − x)] π dx = e−ac cos(ab) [a > 0, b > 0, c > 0] LI (202)(11)a 2 + x2 c c −∞ ∞ π , sin(ax) 1+ sin(aβ) ci(aβ) − cos(aβ) si(aβ) + dx = 2 2 β 2 0 β −x BI (161)(3) [|arg β| < π, a > 0] ∞ cos(ax) π sin(ab) [a > 0, b > 0] dx = BI(161)(5), ET I 9(15) 2 − x2 b 2b 0 ∞ x sin(ax) π [a > 0] dx = − cos(ab) FI II 647, ET II 252(45) 2 − x2 b 2 0 ∞ + x cos(ax) π, dx = cos(aβ) ci(aβ) + sin(aβ) si(aβ) + β 2 + x2 2 0 BI (161)(6) [|arg β| < π, a > 0] 3.726 Trigonometric and rational functions 12. 3.724 1. 2. 3. 3.725 425 ∞ cos(ab) − 1 sin(ax) dx = π x(x − b) b −∞ [a > 0, b > 0] √ 2 cq − b sin(aq) + c cos(aq) πe−a p−q p − q2 a > 0, p > q 2 ∞ √ b + cx b − cq −a p−q 2 cos(ax) dx = cos(aq) + c sin(aq) πe 2 p − q2 −∞ p + 2qx + x a > 0, p > q 2 ∞ cos[(b − 1)t] − x cos(bt) cos(ax) dx = πe−a sin t sin (bt + a cos t) 1 − 2x cos t + x2 −∞ a > 0, t2 < π 2 ∞ b + cx sin(ax) dx = 2 −∞ p + 2qx + x ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 ET II 252(44) π sin(ax) dx = 1 − e−aβ 2 2 2 x (β + x ) 2β [Re β > 0, π sin(ax) dx = 2 (1 − cos(ab)) 2 2 x (b − x ) 2b [a > 0] π −βb sin(ax) cos(bx) dx = e sinh(aβ) x (x2 + β 2 ) 2β 2 π π = − 2 e−aβ cosh(bβ) + 2 2β 2β a > 0] BI (202)(12) BI (202)(13) BI (202)(14) BI (172)(1) BI (172)(4) [0 < a < b] [a > b > 0] ET I 19(4) 3.726 ∞ 1.11 0 2.7 0 x sin(ax) dx ± b2 x + bx2 ± x3 1 + −ab π , =± e Ei(ab) − eab Ei(−ab) − 2 ci(ab) sin(ab) + 2 cos(ab) si(ab) + 4b 2 πe−ab − π cos(ab) + 4b [a > 0, b > 0; if the lower sign is taken, then the integral is a principal value integral] b3 ET I 65(21)a, BI(176)(10, 13) ∞ x2 sin(ax) dx b3 ± b2 x + bx2 ± x3 = [a > 0, b > 0; 1 + ab π , e Ei(−ab) − e−ab Ei(ab) + 2 ci(ab) sin(ab) − 2 cos(ab) si(ab) + 4 2 −ab + cos(ab) ±π e if the lower sign is taken, then the integral is a principal value integral] ET I 66(22), BI(176)(11, 14) 426 3.727 Trigonometric Functions ∞ 1. 0 ∞ 2.8 0 ∞ 3. 0 4. 5. 6.11 √ cos(ax) π 2 ab dx = exp − √ 4 4 3 b +x 4b 2 ab ab cos √ + sin √ 2 2 [a > 0, + π sin(ax) 1 dx = 3 2 sin(ab) ci(ab) − 2 cos(ab) si(ab) + b4 − x4 4b 2 , −ab ab Ei(ab) − e Ei(−ab) +e b > 0] BI(160)(25)a, ET I 9(19) [a > 0, b > 0] BI (161)(12) cos(ax) π dx = 3 e−ab + sin(ab) b4 − x4 4b [a > 0, ∞ 7. 0 b > 0] BI (161)(13) (cf. 3.723 5 and 3.723 11) ab ab cos √ − sin √ 2 2 [a > 0, b > 0] ∞ x cos(ax) π sin(ab) − e−ab dx = 4 4 b −x 4b 9. 0 √ ab x2 cos(ax) π 2 exp − √ dx = b4 + x4 4b 2 b > 0] BI (160)(23)a x2 sin(ax) dx 1+ 2 sin(ab) ci(ab) = 4 4 b −x 4b , π −2 cos(ab) si(ab) + − e−ab Ei(ab) + eab Ei(−ab) 2 [a > 0, b > 0] 0 BI (161)(16) b > 0] ∞ 8.11 12.7 (cf. 3.723 2 and 3.723 9) x sin(ax) ab π ab sin √ [a > 0, dx = 2 exp − √ 4 + x4 b 2b 2 2 0 ∞ x sin(ax) π dx = 2 e−ab − cos(ab) [a > 0, 4 4 b −x 4b 0 ∞ x cos(ax) 1 π dx = 2 cos(ab) ci(ab) + 2 sin(ab) si(ab) + b4 − x4 4b2 2 0 −ab ab − e Ei(ab) − e Ei(−ab) 11. b > 0] ∞ [a > 0, 10. 3.727 BI (161)(17) BI (160)(26)a BI (161)(14) 2 [a > 0, b > 0] BI (161)(18) b > 0] BI (160)(24) b > 0] BI (161)(15) b > 0] BI(161)(19) ∞ ab x3 sin(ax) ab π cos √ [a > 0, dx = exp − √ 4 + x4 b 2 2 2 0 ∞ 3 x sin(ax) −π −ab e dx = − cos(ab) [a > 0, 4 4 b −x 4 0 ∞ 3 π x cos(ax) dx 1 + = 2 cos(ab) ci(ab) + 2 sin(ab) si(ab) + 4 − x4 b 4 2 0 , −ab ab +e Ei(ab) + e Ei(−ab) [a > 0, 3.729 Trigonometric and rational functions ∞ 13. 3 (x2 + b2 ) 0 ∞ 14. x3 sin ax 4 (x2 + b2 ) 0 3.728 x3 sin ax ∞ 1. 0 dx = πe−ab 3a − ba2 16b dx = πe−ab a 3 + 3ab − a2 b2 3 96b π βe−aγ − γe−aβ cos(ax) dx = (β 2 + x2 ) (γ 2 + x2 ) 2βγ (β 2 − γ 2 ) ∞ π e−aβ − e−aγ x sin(ax) dx = 2 2 2 2 2 (γ 2 − β 2 ) 0 (β + x ) (γ + x ) [a > 0, 427 Re β > 0, Re γ > 0] BI (175)(1) 2. ∞ π βe−aβ − γe−aγ x2 cos(ax) dx = 2 2 2 2 2 (β 2 − γ 2 ) 0 (β + x ) (γ + x ) [a > 0, Re β > 0, Re γ > 0] BI (174)(1) 3. ∞ π β 2 e−aβ − γ 2 e−aγ x3 sin(ax) dx = 2 2 2 2 2 (β 2 − γ 2 ) 0 (β + x ) (γ + x ) [a > 0, Re β > 0, Re γ > 0] BI (175)(2) 4. (b2 0 ∞ 6. 0 7. 8. 9. 3.729 π (b sin(ac) − c sin(ab)) cos(ax) dx = 2 2 2 − x ) (c − x ) 2bc (b2 − c2 ) π (cos(ab) − cos(ac)) x sin(ax) dx = (b2 − x2 ) (c2 − x2 ) 2 (b2 − c2 ) ∞ 1. ∞ 2. + x sin(ax) dx 2 ∞ 3. cos(px) 0 4. 0 = 2 x2 ) (b2 + x2 ) 0 cos(ax) dx (b2 0 Re γ > 0] [a > 0, b > 0, c > 0] [a > 0] BI (175)(3) BI (174)(3) ∞ x2 cos(ax) dx π (c sin(ac) − b sin(ab)) = 2 2 2 2 2 (b2 − c2 ) 0 (b − x ) (c − x ) 2 ∞ π b cos(ab) − c2 cos(ac) x3 sin(ax) dx = 2 2 2 2 2 (b2 − c2 ) 0 (b − x ) (c − x ) ∞ π e−ac − cos ba x sin ax dx = 2 2 2 2 2 a2 + c 2 0 (b − x ) (c + x ) Re β > 0, BI (174)(2) ∞ 5. [a > 0, ∞ π (1 + ab)e−ab 4b3 = π −ab ae 4b 1 − x2 (1 + x2 ) x3 sin(ax) dx (b2 + x2 ) 2 = 2 dx = [a > 0, b > 0, c > 0] BI (175)(4) [a > 0, b > 0, c > 0] BI (174)(4) [a > 0, c > 0, b real] [a > 0, b > 0] BI (170)(7) [a > 0, b > 0] BI (170)(3) πp −p e 2 π (2 − ab)e−ab 4 BI (43)(10)a [a > 0, b > 0] BI (170)(4) 428 3.731 1. Trigonometric Functions √ √ Notation: 2A2 = b4 + c2 + b2 , 2B 2 = b4 + c2 − b2 , ∞ cos(ax) dx π e−aA (B cos(aB) + A sin(aB)) √ = 2 2 2 2 2c b 4 + c2 0 (x + b ) + c 2. ∞ x sin(ax) dx = 2 b2 ) π −aA e sin(aB) 2c (x2 + + c2 ∞ 2 2 x + b cos(ax) dx 0 3. 3.731 (x2 + 0 ∞ 4. x x2 + b (x2 0 3.732 1. ∞ 0 ∞ ∞ 3. 0 ∞ 4. + c2 BI (176)(3) [a > 0, b > 0, c > 0] BI (176)(1) [a > 0, b > 0, c > 0] BI (176)(4) [a > 0, b > 0, c > 0] BI (176)(2) π e−aA (A cos(aB) − B sin(aB)) √ 2 b 4 + c2 = π −aA e cos(aB) 2 ET I 65(16) [a > 0, ∞ 1. 0 ∞ 2. 0 3. 0 |Im γ| < Re β] γ+x γ−x − 2 sin(ax) dx = πe−aβ cos(aγ) β 2 + (γ + x)2 β + (γ − x)2 [a > 0, Re β > 0, ET I 8(13) γ + iβ is not real] LI (175)(17) γ+x γ−x + 2 cos(ax) dx = πe−aβ sin(aγ) 2 + (γ + x) β + (γ − x)2 [a > 0, 3.733 γ + iβ is not real] 1 1 π + 2 cos(ax) dx = e−aβ cos(aγ) 2 2 + (γ − x) β + (γ + x) β β2 0 sin(ax) dx 2 b2 ) c > 0] β2 0 + 2 + c2 = b > 0, 1 1 π − sin(ax) dx = e−aβ sin(aγ) β 2 + (γ − x)2 β 2 + (γ + x)2 β [a > 0, Re β > 0, 2. 2 b2 ) [a > 0, |Im a| < Re β] LI (176)(21) cos(ax) dx π sin (t + ab sin t) = 3 exp (−ab cos t) x4 + 2b2 x2 cos 2t + b4 2b sin 2t + a > 0, b > 0, |t| < π, 2 x sin(ax) dx π sin (ab sin t) = 2 exp (−ab cos t) x4 + 2b2 x2 cos 2t + b4 2b sin 2t+ a > 0, |t| < π, 2 b > 0, BI (176)(7) BI(176)(5), ET I 66(23) ∞ x4 sin (t − ab sin t) x2 cos(ax) dx π exp (−ab cos t) = + 2b2 x2 cos 2t + b4 2b sin 2t + a > 0, b > 0, |t| < π, 2 BI (176)(8) 3.736 Trigonometric and rational functions 4. 5. 3.734 429 ∞ x3 sin(ax) dx sin (2t − ab sin t) π = exp (−ab cos t) 4 2 2 4 2 sin 2t 0 x + 2b x cos 2t + b + π, a > 0, b > 0, |t| < 2 ∞ π sin(ax) dx sin (2t + ab sin t) = 4 1 − exp (−ab cos t) 4 2 2 4 2b sin 2t 0 x (x + 2b x cos 2t + b ) + π, a > 0, b > 0, |t| < 2 π sin(ax) dx ab ab 1. = 4 1 − exp − √ cos √ [a > 0, b > 0] 4 4 2b 2 2 0 x (b + x ) ∞ π sin(ax) dx = 4 2 − e−ab − cos(ab) 2. [a > 0, b > 0] 4 4 4b 0 x (b − x ) ∞ sin(ax) dx π 1 −ab 3.735 = 4 1 − e (2 + ab) [a > 0, b > 0] 2 2 2 2b 2 0 x (b + x ) 3.736 ∞ π cos(ax) dx 1. = 5 sin(ab) + (2 + ab)e−ab 2 2 4 4 8b 0 (b + x ) (b − x ) ∞ (b2 0 ∞ 3. 0 ∞ 4. ∞ 5. 6. 0 BI (172)(10) WH, BI (172)(22) [a > 0, b > 0] BI (176)(5) [a > 0, b > 0] BI (174)(5) [a > 0, b > 0] BI (175)(6) [a > 0, b > 0] BI (174)(6) [a > 0, b > 0] BI (175)(7) [a > 0, b > 0] BI (174)(7) π x sin(ax) dx = 4 (1 + ab)e−ab − cos(ab) 2 4 4 + x ) (b − x ) 8b π x cos(ax) dx = 3 sin(ab) − abe−ab (b2 + x2 ) (b4 − x4 ) 8b 2 π x3 sin(ax) dx = 2 (1 − ab)e−ab − cos(ab) 2 4 4 + x ) (b − x ) 8b π x cos(ax) dx = sin(ab) + (ab − 2)e−ab 2 4 4 + x ) (b − x ) 8b 4 (b2 0 BI (172)(7) (b2 0 BI (176)(22) ∞ 2. BI (176)(6) ∞ π x sin(ax) dx = (ab − 3)e−ab − cos(ab) 2 4 4 + x ) (b − x ) 8 5 (b2 430 3.737 Trigonometric Functions ∞ 1.8 0 2. 3. 3.737 (2n − k − 2)!(2ab)k cos(ax) dx πe−ab = n (2b)2n−1 (n − 1)! k!(n − k − 1)! (b2 + x2 ) √ k=0 n−1 n−1 e−ab p d (−1) π = 2n−1 √ 2b (n − 1)! dpn−1 p p=1 n−1 n−1 −abp e d π (−1) = 2n−1 2b (n − 1)! dpn−1 (1 + p)n p=1 [a > 0, b > 0] n−1 GW(333)(67b), WA 209, WA 192 n−1 πae−aβ (2n − k − 2)!(2aβ)k 2 2 n+1 22n n!β 2n−1 k!(n − k − 1)! 0 (x + β ) k=0 π −aβ = e [n = 0, β ≥ 0] 2 [a > 0, Re β > 0] GW (333)(66c) ∞ sin(ax) dx π e−aβ = 1 − n Fn (aβ) n+1 2n+2 2 2 2β 2 n! 0 x (β + x ) a > 0, Re β > 0, F0 (z) = 1, F1 (z) = z + 2, . . . , Fn (z) = (z + 2n)Fn−1 (z) − zFn−1 (z) ∞ x sin(ax) dx (b2 0 ∞ 5. ∞ 6. + 4 x2 ) = x sin ax n+1 + β2) πa (1 + ab)e−ab 16b3 [a > 0, b > 0] BI(170)(5), ET I 67(35)a πa 3 + 3ab + a2 b2 e−ab [a > 0, b > 0] BI(170)(6), ET I 67(35)a 96b5 πe−aβ dx = 2n 2n−1 (2n − 3)!!(2 − βa) 2 n!β 2n−2 & n−1 (2n − k − 2)!2k (βa)k−1 k(k + 1) − 2(k + 1)βa + β 2 a2 − k!(n − k − 1)! = 3 (x2 0 + 3 x2 ) x sin(ax) dx (b2 0 = GW (333)(66e) ∞ 4. x sin(ax) dx k=1 3.738 ∞ 1. 0 n xm−1 sin(ax) πβ m−2n (2k − 1)π dx = − exp −aβ sin x2n + β 2n 2n 2n k=1 (2k − 1)mπ (2k − 1)π + aβ cos × cos 2n 2n + [m is even] , 2. 0 ∞ a > 0, |arg β| < π , 2n n xm−1 cos(ax) πβ m−2n (2k − 1)π dx = exp −aβ sin x2n + β 2n 2n 2n k=1 (2k − 1)mπ (2k − 1)π + aβ cos × sin 2n 2n , + π , 0 < m < 2n + 1 [m is odd] , a > 0, |arg β| < 2n , 0 < m ≤ 2n ET I 67(38) BI(160)(29)a, ET I 10(29) 3.741 3.739 Trigonometric and rational functions ∞ 1. sin(ax) dx x (x2 + 22 ) (x2 + 42 ) . . . (x2 + 4n2 ) % n−1 & π(−1)n k 2n 2(k−n)a n 2n = (−1) + (−1) 2 e k n (2n)!22n+1 0 k=0 [a > 0, ∞ 2. (x2 0 + 12 ) (x2 (x2 0 π2−2n−1 2 (2n + 1) (n!) + 12 ) (x2 ∞ 4. 0 ∞ 0 ∞ 2. 0 3. 0 [a = 0, n ≥ 0] n ≥ 0] LI (174)(9) n 2n π21−2n cos ax dx = (−1)k k e−2ak n−k (x2 + 22 ) (x2 + 42 ) . . . (x2 + 4n2 ) (2n)! k=1 1. n ≥ 0] x sin(ax) dx + 32 ) . . . [x2 + (2n + 1)2 ] n 2n + 1 π(−1)n (−1)k = (2n − 2k + 1)e(2k−2n−1)a k (2n + 1)!22n+1 [a > 0, [a ≥ 0, k=0 k=0 3.741 LI(174)(8) BI(175)(8) ∞ 3. n ≥ 0] cos(ax) dx + 32 ) . . . [x2 + (2n + 1)2 ] n 2n + 1 (2k−2n−1)a π (−1)n (−1)k = e k (2n + 1)! 22n+1 = 431 sin(ax) sin(bx) 1 dx = ln x 4 sin(ax) cos(bx) π dx = x 2 π = 4 =0 a+b a−b [n ≥ 1, a ≥ 0] [a > 0, b > 0, 2 a = b] FI II 647 [a > b ≥ 0] [a = b > 0] [b > a ≥ 0] FI II 645 ∞ sin(ax) sin(bx) aπ dx = x2 2 bπ = 2 [0 < a ≤ b] [0 < b ≤ a] BI (157)(1) 432 Trigonometric Functions 3.742 1. ∞ 0 b ≥ a ≥ 0] [a > 0, b > 0, Re β > 0] [β > 0, a ≥ b ≥ 0] [β > 0, b ≥ a ≥ 0] BI(163)(1)a, GW(333)(71c) ∞ x cos(ax) cos(bx) 1 dx = − eaβ ebβ Ei [− β(a + b)] + e−bβ Ei [β(b − a)] 2 2 β +x 4 1 − e−aβ ebβ Ei [β(a − b)] + e−bβ Ei [β(a + b)] 4 =∞ [a = b] [a = b] BI (163)(2) ∞ 5. 0 x sin(ax) cos(bx) π dx = e−aβ cosh(bβ) x2 + β 2 2 π −2aβ = e 4 π = − e−bβ sinh(aβ) 2 [0 < b < a] [0 < b = a] [0 < a < b] BI (162)(4) ∞ 6. 0 0 [β > 0, BI (162)(3) 0 7. a ≥ b ≥ 0] , cos(ax) cos(bx) π + −|a−b|β e dx = + e−(a+b)β 2 2 β +x 4β π −aβ = e cosh bβ 2β π −bβ e = cosh aβ 2β 4. [β > 0, ∞ 0 Re β > 0] BI(162)(1)a, GW(333)(71a) 3. b > 0, sin(ax) cos(bx) 1 −aβ bβ e e Ei [β(a − b)] + e−bβ Ei [β(a + b)] dx = 2 2 β +x 4β 1 − eaβ ebβ Ei [− β(a + b)] + e−bβ Ei [β(b − a)] 4β 0 [a > 0, ∞ 2. sin(ax) sin(bx) π dx = e−|a−b|β − e−(a+b)β β 2 + x2 4β π −aβ e sinh bβ = 2β π −bβ e = sinh aβ 2β 3.742 sin(ax) sin(bx) π dx = − cos(ap) sin(bp) 2 2 p −x 2p π = − sin(2ap) 4p π = − sin(ap) cos(bp) 2p [a > b > 0] [a = b > 0] [b > a > 0] BI (166)(1) ∞ sin(ax) cos(bx) π x dx = − cos(ap) cos(bp) p2 − x2 2 π = − cos(2ap) 4 π = sin(ap) sin(bp) 2 [a > b > 0] [a = b > 0] [b > a > 0] BI (166)(2) 3.747 Trigonometric and rational functions ∞ 8. 0 cos(ax) cos(bx) π sin(ap) cos(bp) dx = p2 − x2 2p π = sin(2ap) 4p π = cos(ap) sin(bp) 2p 433 [a > b > 0] [a = b > 0] [b > a > 0] BI (166)(3) 3.743 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 4. 5.6 Re β > 0] ET I 80(21) x dx sin(ax) π sinh(aβ) · 2 =− · 2 cos(bx) x + β 2 cosh(bβ) [0 < a < b, Re β > 0] ET I 81(30) x dx cos(ax) π cosh(aβ) · = · sin(bx) x2 + β 2 2 sinh(bβ) [0 < a < b, Re β > 0] ET I 23(37) [0 < a < b, Re β > 0] ET I 23(36) dx cos(ax) π cosh(aβ) · 2 · = 2 cos(bx) x + β 2β cosh(bβ) 0 ∞ dx sin(ax) · 2 PV =0 sin x b − x2 0 π = sin(a − 1)b b ∞ sin(ax) cos(bx) 0 ∞ sin(ax) cos(bx) 0 3.7443 3.7453 xn+1 0 ∞ 2. 0 n dx - ∞ 1. 3.747 [0 < a < b, ∞ 3.746 dx sin(ax) π sinh(aβ) · · = sin(bx) x2 + β 2 2β sinh(bβ) π/2 0 π/2 0 ∞ 3. 0 dx π sinh(aβ) = · x (x2 + β 2 ) 2β 2 cosh(bβ) dx · =0 x (c2 − x2 ) x dx = sin x k=1 m 2 0 0 ET I 82(32) [0 < a < b, c > 0] ET I 82(31) ⎡ ⎣a > n & ak , ak > 0 k=1 n k=1 |ak | + m FI II 646 ⎤ |bj |⎦ WH j=1 & ∞ 7 22k−1 − 1 1 + ζ(2k) = 2πG − ζ(3) m 42k−1 (m + 2k) 2 k=1 π/2 π % Re β > 0] a0 > k=1 π xm dx = sin x 2 [0 < a < b, % n π sin (ak x) = ak 2 − x dx = 2G cos x π x dx = (x2 + b2 ) sin(ax) 2 sinh(ab) [m = 2] LI (206)(2) BI(204)(18), BI(206)(1), GW(333)(32) [b > 0] GW (333)(79c) π x tan x dx = −π ln 2 4. [b real, b/π ∈ Z] · k=1 2. if 1 ≤ a ≤ 2 n m n sin(ax) π dx sin (a x) cos (b x) = ak k j xn+1 2 j=1 1.7 k=0 if 0 ≤ a ≤ 1 BI (218)(4) 434 Trigonometric Functions 3.748 π/2 x tan x dx = ∞ 5. BI (205)(2) 0 π/4 x tan x dx = − 6. 0 π/2 7. x cot x dx = 0 π/4 8. π/2 9. 0 π ln 2 2 tan ax 0 π/2 11. 0 π dx = x 2 xm tan x dx = 0 π/2 0 xm cot x dx = 0 ∞ 1. 0 3. 1 2 π x cot x dx = 2 π/4 3. GW(333)(33b), BI(218)(12) [a > 0] p 2. BI (204)(2) LO V 279(5) π x cot x dx = ln 2 cos 2x 4 π/4 1. 2. FI II 623 1 π ln 2 + G = 0.7301810584 . . . 8 2 π 1 π π π − x tan x dx = − x tan x dx = ln 2 2 2 0 2 2 ∞ 10. 3.749 BI (204)(1) x cot x dx = 0 3.748 1 π ln 2 + G = 0.1857845358 . . . 8 2 1 2 π 4 BI (206)(12) ∞ m k=1 4k − 1 ζ(2k) 42k−1 (m + 2k) LI (204)(5) ∞ 1 1 −2 ζ(2k) p 4k (p + 2k) k=1 ∞ π m 2 ζ(2k) − 4 m 42k−1 (m + 2k) p x tan(ax) dx π = 2ab x2 + b2 e +1 LI (205)(7) LI (204)(6) k=1 [a > 0, b > 0] GW (333)(79a) ∞ x cot(ax) dx π [a > 0, b > 0] = 2ab 2 + b2 x e −1 0 ∞ ∞ ∞ x tan(ax) dx x cot(ax) dx x cosec(ax) dx = = =∞ 2 2 2 2 b −x b −x b2 − x2 0 0 0 GW (333)(79b) BI (161)(7, 8, 9) 3.75 Combinations of trigonometric and algebraic functions 3.751 ∞ 1. 0 2.9 0 ∞ sin(ax) dx √ = x+β cos(ax) dx √ = x+β , π + cos(aβ) − sin(aβ) + 2 C aβ sin(aβ) − 2 S aβ cos(aβ) 2a [a > 0, |arg β| < π] ET I 65(12)a , π + aβ cos(aβ) − 2 S aβ sin(aβ) cos(aβ) + sin(aβ) − 2 C 2a [a > 0, |arg β| < π] ET I 8(9)a 3.755 Trigonometric and algebraic functions ∞ 3. u ∞ 4. u 3.752 1. 1 8 sin(ax) √ dx = x−u cos(ax) √ dx = x−u 1 1 1.8 0 2. 3. 4. 5. 3.754 u > 0] ET I 65(13) π [cos(au) − sin(au)] 2a [a > 0, u > 0] ET I 8(10) π (−1)k a2k+1 = H1 (a) (2k − 1)!!(2k + 3)!! 2a [a > 0] 0 [a > 0, k=0 2. 3.753 π [sin(au) + cos(au)] 2a ∞ sin(ax) 1 − x2 dx = 0 KU 65(6)a ∞ sin(ax) dx (−1)k a2k+1 π √ = 2 = 2 H0 (a) 2 1−x [(2k + 1)!!] k=0 ∞ 0 ∞ 2. 0 0 3.755 ∞ 0 2. 0 WA 30(7)a [a > 0] WA 200(14) WA 200(15) [a > 0] WA 30(6) sin(ax) dx π = [I 0 (aβ) − L0 (aβ)] 2 2 2 β +x [a > 0, Re β > 0] cos(ax) dx = K 0 (aβ) β 2 + x2 [a > 0, Re β > 0] x sin(ax) < dx = a K 0 (aβ) 3 2 2 (β + x ) < 1. BI (149)(9) ET I 66(26) WA 191(1), GW(333)(78a) ∞ 3. [a > 0] 1 1. BI (149)(6) π J 1 (a) cos(ax) 1 − x2 dx = 2a cos(ax) dx π √ = J 0 (a) 2 2 1−x 0 ∞ sin(ax) dx π √ = J 0 (a) 2 2 x −1 1 ∞ cos(ax) π √ dx = − Y 0 (a) 2−1 2 x 1 1 x sin(ax) π √ dx = J 1 (a) 2 2 1−x 0 435 ∞ < x2 + β 2 − β sin(ax) dx = x2 + β 2 x2 + β 2 + β cos(ax) dx = x2 + β 2 [a > 0, π −aβ e 2a [a > 0] π −aβ e 2a [a > 0, Re β > 0] ET I 66(27) ET I 66(31) Re β > 0] ET I 10(25) 436 3.756 Trigonometric Functions ∞ 1. 0 2. x n 2 −1 cos(ax) 0 3.757 ∞ 0 2. n - ak > 0, a> % cos (ak x) dx = 0 ∞ 11 0 sin(ax) √ dx = x cos(ax) √ dx = x n & ak k=2 ak > 0, a> k=1 1.11 % n sin(ax) sin (ak x) dx = 0 n x 2 −1 k=2 ∞ 3.756 n ET I 80(22) & ak ET I 22(26) k=1 π 2a [a > 0] BI (177)(1) π 2a [a > 0] BI (177)(2) 3.76–3.77 Combinations of trigonometric functions and powers 3.761 1 xμ−1 sin(ax) dx = 1. 0 −i [ 1 F 1 (μ; μ + 1; ia) − 2μ 1F 1 (μ; μ + 1; −ia)] [a > 0, u ∞ 3. 1 μ = 0] ET I 68(2)a ∞ 2.8 Re μ > −1, π i − π iμ e 2 Γ(μ, iu) − e 2 iμ Γ(μ, −iu) xμ−1 sin x dx = 2 sin(ax) a2n−1 dx = x2n (2n − 1)! %2n−1 (2n − k − 1)! k=1 a2n−k [Re μ < 1] sin a + (k − 1) & π + (−1)n ci(a) 2 [a > 0] ∞ 4. xμ−1 sin(ax) dx = 0 μπ 2 π sec Γ(μ) μπ = μ sin aμ 2 2a Γ(1 − μ) [a > 0; EH II 149(2) LI (203)(15) 0 < |Re μ| < 1] FI II 809a, BI(150)(1) π m/2 m! (−1)n+1 (nπ)m−2k (−1)k nm+1 (m − 2k)! k=0= > = > m! m−2 m m/2 2 −1 −(−1) nm+1 xm sin(nx) dx = 5.10 0 GW(333)(6) 1 xμ−1 cos(ax) dx = 6.8 0 1 [ 1 F 1 (μ; μ + 1; ia) + 2μ 1F 1 (μ; μ + 1; −ia)] [a > 0, ∞ 7. u Re μ > 0] ET I 11(2) π 1 − π iμ e 2 Γ(μ, iu)s + e 2 iμ Γ(μ, −iu) xμ−1 cos x dx = 2 [Re μ < 1] EH II 149(1) 3.763 Trigonometric functions and powers ∞ 8. 1 437 % 2n & cos(ax) a2n (2n − k)! π + (−1)n+1 ci(a) dx = cos a + (k − 1) x2n+1 (2n)! a2n−k+1 2 k=1 [a > 0] ∞ 9.8 xμ−1 cos(ax) dx = 0 μπ 2 π cosec Γ(μ) μπ = μ cos μ a 2 2a Γ(1 − μ) [a > 0, LI (203)(16) 0 < Re μ < 1] FI II 809a, BI(150)(2) π (−1)n nm+1 (m−1)/2 m! (nπ)m−2k−1 (m − 2k − 1)! k=0 (m+1)/2 2[(m + 1)/2] − m +(−1) · m! nm+1 xm cos(nx) dx = 10. 0 (−1)k GW (333)(7) m/2 π/2 m 11. x cos x dx = 0 (−1)k k=0 m! (m − 2k)! m−2k π 2 + (−1) m/2 2 :m; 2 − m m! GW (333)(9c) 2nπ xm cos kx dx = − 12. 0 3.762 m−1 j=0 ∞ 1. j! k j+1 xμ−1 sin(ax) sin(bx) dx = 0 m j+1 π (2nπ)m−j cos j 2 BI (226)(2) , + μπ 1 −μ cos Γ(μ) |b − a| − (b + a)−μ 2 2 [a > 0, b > 0, a = b, −2 < Re μ < 1] (for μ = 0, see 3.741 1, for μ = −1, see 3.741 3) BI(149)(7), ET I 321(40) ∞ 2. [a > 0, ∞ 3. , μπ 1 −μ sin Γ(μ) (a + b)−μ + |a − b| sign(a − b) 2 2 b > 0, |Re μ| < 1] (for μ = 0 see 3.741 2) BI(159)(8)a, ET I 321(41) xμ−1 sin(ax) cos(bx) dx = 0 + xμ−1 cos(ax) cos(bx) dx = 0 + , μπ 1 −μ cos Γ(μ) (a + b)−μ + |a − b| 2 2 [a > 0, b > 0, 0 < Re μ < 1] ET I 20(17) 3.763 1. 0 ∞ νπ sin(ax) sin(bx) sin(cx) 1 ν−1 cos Γ(1 − ν) (c + a − b) dx = − (c + a + b)ν−1 xν 4 2 ν−1 ν−1 − |c − a + b| sign(a − b − c) + |c − a − b| sign(a + b − c) [c > 0, 0 < Re ν < 4, ν = 1, 2, 3, a ≥ b > 0] GW(333)(26a)a, ET I 79(13) 438 Trigonometric Functions ∞ 2. 0 ∞ 3. 0 ∞ 4. 0 3.764 1. ∞ sin(ax) sin(bx) sin(cx) dx = 0 x π = 8 π = 4 ∞ 2. ∞ 0 [c = a − b and c = a + b] [a − b < c < a + b] [a ≥ b > 0, sin(ax) sin(bx) sin(cx) πbc dx = x3 2 πbc π(a − b − c)2 − = 2 8 xp sin(ax + b) dx = 1 pπ Γ(1 + p) cos b + ap+1 2 xp cos(ax + b) dx = − 0 3.765 1.10 [c < a − b and c > a + b] c > 0] FI II 645 sin(ax) sin(bx) sin(cx) 1 dx = (c + a + b) ln(c + a + b) 2 x 4 1 1 − (c + a − b) ln(c + a − b) − |c − a − b| ln |c − a − b| 4 4 1 × sign(a + b − c) + |c − a + b| ln |c − a + b| sign(a − b − c) 4 [a ≥ b > 0, c > 0] BI(157)(8)a, ET I 79(11) 0 3.764 [0 < c < a − b and c > a + b] [a − b < c < a + b] [a ≥ b > 0, c > 0] BI(157)(20), ET I 79(12) [a > 0, −1 < p < 0] GW (333)(30a) [a > 0, −1 < p < 0] GW (333)(30b) 1 πp Γ(1 + p) sin b + ap+1 2 sin ax dx xν (x + b) 1 πν ν 3 ν Γ(−1 − ν) 1 F 2 1; 1 + , + ; − a2 b2 sign(a) 2 2 2 2 4 ν 1 π cosec(πν) sin(ab) ν πν − − aν Γ(−ν) 1 F 2 1; 1 + , 1 + ; − a2 b2 sign(a) sin bν 2 2 4 2 [Im a = 0, −1 < Re b < 2, arg b = π] MC = a1+ν b cos ∞ 2. 0 Γ(1 − ν) iaβ cos(ax) dx = e Γ(ν, iaβ) + e−iaβ Γ(ν, −iaβ) ν ν x (x + β) 2β [a > 0, |Re ν| < 1, |arg β| < π] ET II 221(52) 3.766 1.10 0 ∞ xμ−1 sin ax dx 1 + x2 = −a2−μ Γ(μ − 2) 1 F 2 1; πμ 3 − μ 4 − μ a2 πμ π , ; + sec sinh(a) sign(a) sin 2 2 4 2 2 2 MC [Im a = 0, −1 < Re μ < 3] 3.768 Trigonometric functions and powers ∞ xμ−1 cos(ax) μπ π cosh a dx = cosec 2 1+x 2 2 1 μπ + cos Γ(μ) {exp [−a + iπ(1 − μ)] γ(1 − μ, −a) − ea γ(1 − μ, a)} 2 2 [a > 0, 0 < Re μ < 3] ET I 319(24) ∞ x2μ+1 sin(ax) dx π = − b2μ sec(μπ) sinh(ab) x2 + b2 2 sin(μπ) + Γ(2μ) [ 1 F 1 (1; 1 − 2μ; ab) + 1 F 1 (1; 1 − 2μ; −ab)] 2a2μ a > 0, − 32 < Re μ < 12 ET II 220(39) 2. 0 3.9 0 439 ∞ 4.9 0 1 x2μ+1 cos(ax) dx π 2(μ+ 12 ) b cosec μ + = − π cosh(ab) x2 + b2 2 2 cos μ + 12 π 1 1 Γ 2 μ+ ; ab + 1 F 1 1; 1 − 2 μ + 2(μ+ 12 ) 2 2 2a 1 + 1 F 1 1; 1 − 2 μ + ; −ab 2 a > 0, −1 < Re μ < 12 ET II 221(56) 3.767 ∞ xβ−1 1. sin ax − βπ 2 π dx = − γ β−2 e−aγ 2 γ 2 + x2 0 [a > 0, Re γ > 0, 0 < Re β < 2] BI (160)(20) ∞ xβ 2. cos ax − βπ 2 γ 2 + x2 0 dx = π β−1 −aγ γ e 2 [a > 0, Re γ > 0, |Re β| < 1] BI (160)(21) ∞ xβ−1 3. sin ax − x2 0 − βπ 2 dx = b2 π β−2 πβ b cos ab − 2 2 [a > 0, b > 0, 0 < Re β < 2] BI (161)(11) ∞ xβ 4. cos ax − x2 − b2 0 βπ 2 π πβ dx = − bβ−1 sin ab − 2 2 [a > 0, b > 0, |β| < 1] GW (333)(82) 3.768 ∞ 1. u ∞ 2. (x − u)μ−1 sin(ax) dx = Γ(μ) μπ sin au + μ a 2 [a > 0, 0 < Re μ < 1] ET II 203(19) (x − u)μ−1 cos(ax) dx = Γ(μ) μπ cos au + aμ 2 [a > 0, 0 < Re μ < 1] ET II 204(24) u 1 (1 − x)ν sin(ax) dx = 3.11 0 1 Γ(ν + 1) − C ν (a) = a−ν−1/2 s ν+1/2,1/2 (a) a aν+1 [a > 0, Re ν > −1] ET I 11(3)a 440 Trigonometric Functions 3.768 Here C ν (a) is the Young’s function given by: C ν (a) = 1 ν 2a Γ(ν + 1) [ 1 F 1 (1; ν + 1; ia) + 1F 1 (1; ν + 1; −ia)] = ∞ (−1)n aν+2n . Γ(ν + 2n + 1) n=0 i i −ν−1 a exp (νπ − 2a) γ (ν + 1, −ia) 2 2 i − exp − (νπ − 2a) γ (ν + 1, ia) 2 2 n ∞ −a = Γ(ν + 1) Γ(ν + 2 + 2n) n=0 1 (1 − x)ν cos(ax) dx = 4.3 0 [a > 0, u xν−1 (u − x)μ−1 sin(ax) dx = 5. u μ+ν−1 2i 0 B(μ, ν) [ 1 F 1 (ν; μ + ν; iau) − [a > 0, u xν−1 (u − x)μ−1 cos(ax) dx = 6. 0 xμ−1 (u − x)μ−1 sin(ax) dx = 0 ∞ u xμ−1 (u − x)μ−1 cos(ax) dx = √ u π a √ u a μ−1/2 sin ∞ 10. √ xμ−1 (x − u)μ−1 cos(ax) dx = − u 1 11.3 0 μ−1/2 u a π 0 ν = 0] ET II 189(26) uμ+ν−1 B(μ, ν) [ 1 F 1 (ν; μ + ν; iau) + 1 F 1 (ν; μ + ν; −iau)] 2 [a > 0, Re μ > 0, Re ν > 0] xμ−1 (x − u)μ−1 sin(ax) dx √ π = 2 u 9. Re ν > −1, (ν; μ + ν; −iau)] au au Γ(μ) J μ−1/2 2 2 [Re μ > 0] 8. Re μ > 0, 1F 1 ET I 11(3)a ET II 189(32) u 7. Re ν > −1] π 2 ET II 189(25) + au au , au au J 1/2−μ − sin Y 1/2−μ Γ(μ) cos 2 2 2 2 a > 0, 0 < Re μ < 12 ET II 203(20) μ− 12 cos au Γ(μ) J μ− 12 2 au 2 [Re μ > 0] u a μ− 12 ET II 189(31) + au au , au au J 12 −μ Y 12 −μ Γ(μ) sin − cos 2 2 2 2 1 ET II 204(25) a > 0, 0 < Re μ < 2 i xν−1 (1 − x)μ−1 sin(ax) dx = − B(μ, ν) [ 1 F 1 (ν; ν + μ; ia) − 1 F 1 (ν; ν + μ; −ia)] 2 [Re μ > 0, Re ν > −1, ν = 0] ET I 68 (5)a, ET I 317(5) 1 xν−1 (1 − x)μ−1 cos(ax) dx = 12.3 0 1 B(μ, ν) [ 1 F 1 (ν; ν + μ; ia) + 2 1F 1 [Re μ > 0, (ν; ν + μ; −ia)] Re ν > 0] ET I 11(5) 3.771 Trigonometric functions and powers √ 1 xμ (1 − x)μ sin(2ax) dx = 13. 0 1 xμ (1 − x)μ cos(2ax) dx = 14. 0 π 1 (2a)μ+ 2 Γ(μ + 1) J μ+ 12 (a) sin a [a > 0, √ π 1 (2a)μ+ 2 ∞ 1. 0 0 πiaν−1 e−aβ (β + ix)−ν − (β − ix)−ν sin(ax) dx = − Γ(ν) [a > 0, πa x (β + ix)−ν + (β − ix)−ν sin(ax) dx = − 0 (ν − 1 − aβ) −aβ e Γ(ν) [a > 0, Re β > 0, Re ν > 0] (−1) (2n)!πaν−2n−1 e−aβ Lν−2n−1 x2n (β + ix)−ν + (β − ix)−ν cos(ax) dx = (aβ) 2n Γ(ν) [a > 0, Re β > 0, 0 ≤ 2n < Re ν] n ET I 13(20) ∞ 0 ∞ 7. 0 0 ν−2 ET I 70(17) 6. 1. Re ν > 0] ∞ 0 Re β > 0, (−1)n i (2n)!πaν−2n−1 e−aβ Lν−2n−1 x2n (β − ix)−ν − (β + ix)−ν sin(ax) dx = (aβ) 2n Γ(ν) [a > 0, Re β > 0, 0 ≤ 2n < Re ν] 5. 3.771 Re ν > 0] ET I 70(16) 0 Re β > 0, ∞ 4. ET I 11(4) ET I 13(19) ∞ 3. Re μ > −1] πaν−1 e−aβ (β + ix)−ν + (β − ix)−ν cos(ax) dx = Γ(ν) [a > 0, ET I 68(4) ET I 70(15) ∞ 2. Re μ > −1] Γ(μ + 1) J μ+ 12 (a) cos a [a > 0, 3.769 441 ∞ + −ν x2n+1 (β + ix)−ν + (β − ix) , (−1)n+1 (2n + 1)!πaν−2n−2 e−aβ Lν−2n−2 (aβ) 2n+1 Γ(ν) [a > 0, Re β > 0, −1 ≤ 2n + 1 < Re ν] ET I 70(18) sin(ax) dx = + , (−1)n+1 −ν (2n + 1)!πaν−2n−2 e−aβ Lν−2n−2 x2n+1 (β + ix)−ν − (β − ix) (aβ) cos(ax) dx = 2n+1 Γ(ν) [a > 0, Re β > 0, 0 ≤ 2n < Re ν − 1] ET I 13(21) √ ν 2 1 π 2β 1 2 ν− 2 β +x sin(ax) dx = Γ ν+ [I −ν (aβ) − Lν (aβ)] 2 a 2 a > 0, Re β > 0, Re ν < 12 , ν = − 12 , − 32 , − 52 , . . . EH II 38a, ET I 68(6) 442 Trigonometric Functions ∞ 2. 0 2 ν− 12 1 β + x2 cos(ax) dx = √ π ν 2β a 3.771 1 cos(πν) Γ ν + K −ν (aβ) 2 a > 0, Re β > 0, μ−1 x2ν−1 u2 − x2 sin(ax) dx 0 = u 4. 0 [Re μ > 0, ∞ u 6. ν− 12 2β 1 x x2 + β 2 sin(ax) dx = √ β a π √ 2β = πβ a u2 − x2 ν− 12 √ sin(ax) dx = 0 ∞ 7. u 8. 2 ν− 12 x − u2 u2 − x2 ν− 12 cos(ax) dx = ∞ 9. u 10. 0 u ET II 189(29) cos νπ Γ ν + ν 1 2 Re ν > 0] ET II 190(35) K ν+1 (aβ) 1 K ν+1 (aβ) Γ 2 −ν [a > 0, Re β > 0, 1 Γ ν+ 1 2 Hν (au) a > 0, u > 0, Re ν < 0] ET I 69(11) Re ν > − 12 ET I 69(7), WA 358(1)a ν 2u a Γ ν+ 1 2 J −ν (au) a > 0, u > 0, |Re ν| < 1 2 EH II 81(12)a, ET I 69(8), WA 187(3)a π 2 2u a √ 2 ν− 12 π x − u2 cos(ax) dx = − 2 ν− 12 x u2 − x2 ν ν 2u a √ 0 π 2 √ π sin(ax) dx = 2 u 1 a2 u 2 ;− 2 4 1 3 ν + ; ,μ + ν + 2 2 Re μ > 0, Re ν > − 12 1F 2 μ−1 a u 1 1 x2ν−1 u2 − x2 cos(ax) dx = u2μ+2ν−2 B(μ, ν) 1 F 2 ν; , μ + ν; − 2 2 4 0 a 2μ+2ν−1 1 u B μ, ν + 2 2 2 2 5.7 WA 191(1)a, GW(333)(78)a u 3. 1 2 Re ν < √ π u sin(ax) dx = 2 ν Γ ν+ 1 2 J ν (au) a > 0, u > 0, Re ν > − 12 ET I 11(8) 2u a ν Γ ν+ 1 Y −ν (au) 2 a > 0, u > 0, |Re ν| < 1 2 WA 187(4)a, EH II 82(13)a, ET I 11(9) 2u a ν Γ ν+ 1 J ν+1 (au) 2 a > 0, u > 0, Re ν > − 12 ET I 69(9) 3.772 Trigonometric functions and powers ∞ 11. x x −u 2 1 2 ν− 2 √ sin(ax) dx = u x u2 − x2 ν− 12 ∞ 13. x x −u u 2 2 ν−1/2 √ πu cos(ax) dx 2 2 ν−1/2 x + 2βx sin(ax) dx = ∞ 2 ν−1/2 x + 2βx cos(ax) dx √ π 2 0 2. 0 √ 2u 3. ∞ 4. 2u 2u 5. − 12 < Re ν < 0 1 Γ ν+ J −ν−1 (au) 2 a > 0, u > 0, 0 < Re ν < 12 ET I 12(11) ν 2β 1 Γ ν+ [J −ν (aβ) cos(aβ) + Y −ν (aβ) sin(aβ)] a 2 a > 0, |arg β| < π, 12 > Re ν > − 32 ET I 69(12) ν ν−1/2 √ 2ux − x2 sin(ax) dx = π 2u a ν √ 2 ν−1/2 π x − 2ux sin(ax) dx = 2 2β a ν ν−1/2 √ 2ux − x2 cos(ax) dx = π 2u a ν 0 ν 2β a 0 2u a π 2 =− 1 Y −ν−1 (au) 2 a > 0, u > 0, u s (ν−1)ν+1 (au) aν √ −1 ν 2u π 1 1 1 2ν+1 u u − Γ ν+ = ν+ Hν+1 (au) 2 2 a 2 2 a > 0, u > 0, Re ν > − 12 ET I 12(10) ∞ 1. Γ ν+ ν+1 cos(ax) dx = − 0 3.772 ν 2u a ET I 69(10) u 12.7 π u 2 443 Γ ν+ Γ ν+ 1 [Y −ν (aβ) cos(aβ) − J −ν (aβ) sin(aβ)] 2 a > 0, |Re ν| < 12 ET I 12(13) 1 sin(au) J ν (au) 2 a > 0, u > 0, Re ν > − 12 ET I 69(13)a Γ ν+ Γ ν+ 1 [J −ν (au) cos(au) − Y −ν (au) sin(au)] 2 a > 0, u > 0, |Re ν| < 12 ET I 70(14) 1 J ν (au) cos(au) 2 a > 0, u > 0, Re ν > − 12 ET I 12(4) ∞ 6. 2 ν−1/2 x − 2ux cos(ax) dx 2u =− √ π 2 2u a ν 1 Γ ν+ [J −ν (au) sin(au) + Y −ν (au) cos(au)] 2 a > 0, u > 0, |Re ν| < 12 ET I 12(12) 444 3.773 1. Trigonometric Functions ∞ x2ν 8 μ+1 (x2 + β 2 ) 0 3.773 sin(ax) dx 1 2ν−2μ 3 β 2 a2 β a B (1 + ν, μ − ν) 1 F 2 ν + 1; ν + 1 − μ, ; 2√ 2 4 β 2 a2 πa2μ−2ν+1 Γ(ν − μ) 3 , μ − ν + 1; μ + 1; μ − ν + + F 1 2 3 4μ−ν+1 Γ μ − ν + 2 2 4 ! √ 2 2 ! −ν + 1 π a β ! 2 β 2ν−2μ−1 G 21 = ! 13 2 Γ(μ + 1) 4 ! μ − ν + 12 , 12 , 0 [a > 0, Re β > 0, −1 < Re ν < Re μ + 1] ET I 71(28)a, ET II 234(17) = 2. ∞ 8 x2m+1 sin(ax) (z + 0 n+1 x2 ) dx = √ (−1)n+m π dn m −a z · e z n! 2 dz n [a > 0, √ ∞ 2m+1 x sin(ax) dx (−1)m+1 π d2m+1 n = [a K n (aβ)] n+ 1 2n β n Γ n + 12 da2m+1 0 (β 2 + x2 ) 2 [a > 0, 0 ≤ m ≤ n, |arg z| < π] ET I 68(39) 3. 2ν x cos(ax) dx (x2 0 ∞ 5. + μ+1 β2) x2m cos(ax) dx n+1 (z + x2 ) 0 −1 ≤ m ≤ n] ET I 67(37) ∞ 4. Re β > 0, ∞ 6.7 0 2 2 1 1 1 β a 1 2ν−2μ−1 1 1 β B ν + ,μ − ν + 1F 2 ν + ; ν − μ + , ; 2 2 2 2 2 2 4 √ 2μ−2ν+1 1 Γ ν−μ− 2 πa 3 β 2 a2 + 1 F 2 μ + 1; μ − ν + 1, μ − ν + ; μ−ν+1 4 Γ(μ − ν +1) 2 4 ! √ 2 2 ! −ν + 1 π a β ! 2 β 2ν−2μ−1 G 21 = ! 13 2 Γ(μ + 1) 4 ! μ − ν + 12 , 0, 12 a > 0, Re β > 0, − 12 < Re ν < Re μ + 1 ET I 14(29)a, ET II 235(19) = = (−1)m+n √ 1 dn π · n z m− 2 e−a z 2 · n! dz [a > 0, √ x cos(ax) dx π (−1) d2m = {an K n (aβ)} · 1 n+ da2m 2n β n Γ n + 12 (β 2 + x2 ) 2 a > 0, 2m n + 1 > m ≥ 0, |arg z| < π] ET I 10(28) m Re β > 0, 0≤m<n+ 1 2 ET I 14(28) 3.774 1. 0 ∞ sin(ax) dx π i i νπ I ν (ab) + Jν (iab) − Jν (−iab) sin √ √ ν = ν b sin(νπ) 2 2 2 x2 + b2 x + x2 + b2 [a > 0, b > 0, Re ν > −1] ET I 70(19) 3.775 Trigonometric functions and powers ∞ 2. 0 445 1 cos(ax) dx π 1 νπ Jν (iab) + Jν (−iab) − cos I ν (ab) √ √ ν = ν b sin(νπ) 2 2 2 x2 + b2 x + x2 + b2 [a > 0, b > 0, Re ν > −1] ET I 12(15) ∞ 3. 0 x + x2 + β 2 x (x2 + β 2 ) ν sin(ax) dx = aπ ν β I 14 − ν2 2 aβ 2 K 14 + ν2 a > 0, aβ 2 Re β > 0, Re ν < 3 2 ET I 71(23) ∞ 4. 0 x2 + β 2 − x x (x2 + β 2 ) ν cos(ax) dx = aπ ν β I − 14 + ν2 2 aβ 2 aβ 2 Re β > 0, K − 14 − ν2 a > 0, Re ν > − 32 ET I 12(17) ∞ 5. 0 ν x2 + β 2 1 sin(ax) dx = 1 ν+ β x 2 x2 + β 2 β+ 2 Γ a 3 ν − 4 2 W ν2 , 14 (aβ) M − ν2 , 14 (aβ) a > 0, Re β > 0, Re ν < 32 ET I 71(27) ∞ 6. 0 ν x2 + β 2 1 cos(ax) dx = √ Γ 1 β 2a xν+ 2 β 2 + x2 β+ 1 ν − 4 2 W ν2 ,− 14 (aβ) M − ν2 ,− 14 (aβ) a > 0, Re β > 0, Re ν < 12 ET I 12(18) 3.775 ∞ 1. 0 ν x2 + β 2 + x − x2 + β 2 − x x2 + β 2 ν νπ K ν (aβ) 2 [a > 0, Re β > 0, |Re ν| < 1] sin(ax) dx = 2β ν sin ET I 70(20) 2. 0 ∞ ν x2 + β 2 + x + x2 + β 2 − x x2 + β 2 ν cos(ax) dx = 2β ν cos [a > 0, νπ K ν (aβ) 2 Re β > 0, |Re ν| < 1] ET I 13(22) 3. √ √ ν ν ∞ + x + x2 − u2 + x − x2 − u2 νπ νπ , √ − Y ν (au) sin sin(ax) dx = πuν J ν (au) cos 2 2 x2 − u2 u [a > 0, u > 0, |Re ν| < 1] 4. √ √ ν ν ∞ + x + x2 − u2 + x − x2 − u2 νπ νπ , √ + J ν (au) sin cos(ax) dx = −πuν Y ν (au) cos 2 2 x2 − u2 u [a > 0, u > 0, |Re ν| < 1] ET I 70(22) ET I 13(25) 446 Trigonometric Functions 3.776 √ √ ν ν x + i u2 − x2 + x − i u2 − x2 π νπ √ [Jν (au) − J−ν (au)] sin(ax) dx = uν cosec 2 − x2 2 2 u 0 ET I 70(21) [a > 0, u > 0] √ √ ν ν u x + i u2 − x2 + x − i u2 − x2 π νπ √ [Jν (au) + J−ν (au)] cos(ax) dx = uν sec 2 − x2 2 2 u 0 [a > 0, u > 0, |Re ν| < 1] 5. 6. u ET I 13(24) √ √ ν ν ∞ x + x2 − u2 + x − x2 − u2 sin(ax) dx 2 − u2 ) x (x u π 3 ν+ au au au au , =− Y 1/4−ν/2 + J 1/4−ν/2 Y 1/4+ν/2 au J 1/4+ν/2 2 2 2 2 2 ET I 71(25) a > 0, u > 0, |Re ν| < 32 7.6 8. ∞ 6 u ∞ √ √ ν ν x + x2 − u2 + x − x2 − u2 cos(ax) dx 2 − u2 ) x (x π 3 ν+ au au au au , =− Y −1/4−ν/2 + J −1/4−ν/2 Y −1/4+ν/2 au J −1/4+ν/2 2 2 2 2 2 ET I 13(26) a > 0, u > 0, |Re ν| < 32 x+β+ 9. x2 + 2βx 0 ν + x+β− x2 + 2βx ν sin(ax) dx x2 + 2βx + νπ νπ , + J ν (βa) cos βa − 2 2 |arg β| < π, |Re ν| < 1] ET I 71(26) = πβ ν Y ν (βa) sin βa − [a > 0, ∞ 10. 0 2u 11. 0 3.776 1. ∞ 0 2. 0 ∞ x+β+ x2 + 2βx ν + x+β− x2 + 2βx x2 + 2βx ν cos(ax) dx + νπ νπ , = πβ ν J ν (βa) sin βa − − Y ν (βa) cos βa − 2 2 [a > 0, |arg β| < π, |Re ν| < 1] ET I 13(23) √ 4ν √ 4ν √ √ 2u + x + i 2u − x + 2u + x − i 2u − x √ cos(ax) dx 4u2 x − x3 a 2ν 3/2 J ν−1/4 (au) J −ν−1/4 (au) = (4u) π 2 ET I 14(27) [a > 0, u > 0] a2 (b + x)2 + p(p + 1) a sin(ax) dx = p p+2 (b + x) b [a > 0, b > 0, p > 0] BI (170)(1) a2 (b + x)2 + p(p + 1) p cos(ax) dx = p+1 (b + x)p+2 b [a > 0, b > 0, p > 0] BI (170)(2) 3.784 Rational and trigonometric functions 447 3.78–3.81 Rational functions of x and of trigonometric functions 3.781 ∞ sin x 1 − x 1+x 1. 0 ∞ cos x − 2. 0 3.782 1. 0 u ∞ 0 3. 3.783 ∞ 0 ∞ 2. 0 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 ∞ 4. 0 ∞ 5. 0 ∞ 6. 0 7. 8. BI (173)(7) ∞ u cos x dx = C + ln u x 1 − cos ax aπ dx = x2 2 BI (173)(8) [u > 0] GW (333)(31) [a ≥ 0] BI (158)(1) ∞ 1. 3.784 sin ab 1 − cos ax dx = π x(x − b) b −∞ (cf. 3.784 4 and 3.781 2) dx = −C x 1 1+x 1 − cos x dx − x 2. dx =1−C x cos x − 1 1 + x2 2(1 + x) cos x − 1 1 + x2 [a > 0, b real, b = 0] ET II 253(48) 1 3 dx = C− x 2 4 BI (173)(19) dx = −C x EH I 17, BI(273)(21) b cos ax − cos bx dx = ln x a [a > 0, b > 0] FI II 635, GW(333)(20) a sin bx − b sin ax a dx = ab ln 2 x b [a > 0, b > 0] FI II 647 cos ax − cos bx (b − a)π dx = x2 2 [a ≥ 0, b ≥ 0] BI(158)(12), FI II 645 sin x − x cos x dx = 1 x2 cos ax − cos bx 1 dx = x(x + β) β BI (158)(3) b ci(aβ) cos aβ + si(aβ) sin aβ − ci(bβ) cos bβ − si(bβ) sin bβ + ln a [a > 0, b > 0, |arg β| < π] ET II 221(49) cos ax + x sin ax dx = πe−a 1 + x2 [a > 0] GW (333)(73) ∞ sin ax − ax cos ax π dx = a2 sign a 3 x 4 0 ∞ π (b − a)β + e−bβ − e−aβ cos ax − cos bx dx = x2 (x2 + β 2 ) 2β 3 0 LI (158)(5) [a > 0, b > 0, |arg β| < π] BI(173)(20)a, ET II 222(59) 448 Trigonometric Functions ∞ 9.10 0 n π cos mx √ = e−m sin u sinh φ (cos β sin u cosh φ + sin β cos u sinh φ) 1 + a2 T n (x) 2n 1 + a2 k=1 [u = (2k − 1) π/ (2n) , ∞ 3.785 0 3.786 ∞ 1. 0 ∞ 2.11 0 3. ∞ 11 0 3.785 1 ak cos bk x dx = − ak ln bk x n n k=1 k=1 φ = arcsinh(1/a), % β = m cos u cosh φ, & n ak = 0 bk > 0, 0 < |a| < 1] FI II 649 k=1 (1 − cos ax) sin bx b b 2 − a2 a a+b dx = ln + ln 2 x 2 b2 2 a−b (1 − cos ax) cos bx dx = ln x |a2 − b2 | b (1 − cos ax) cos bx π dx = (a − b) x2 2 =0 [a > 0, b > 0] [a > 0, b > 0, ET I 81(29) a = b] FI II 647 [a < b ≤ 0] [0 < a ≤ b] ET I 20(16) 3.787 ∞ 1. 0 π (cos a − cos nax) sin mx dx = (cos a − 1) x 2 π = cos a 2 [m > na > 0] [na > m] BI(155)(7) ∞ 2. 0 sin2 ax − sin2 bx 1 a dx = ln x 2 b [a > 0, b > 0] GW (333)(20b) ∞ x3 − sin3 x 13 π dx = 5 x 32 0 ∞ 3 − 4 sin2 ax sin2 ax 1 dx = ln 2 4. x 2 0 π/2 1 π − cot x dx = ln 3.788 x 2 0 π/2 2 4x cos x + (π − x)x dx = π 2 ln 2 3.789 sin x 0 3.791 π/2 x dx = ln 2 1. 1 + sin x 0 π x cos x dx = π ln 2 − 4G 2. 0 1 + sin x π/2 x cos x dx = π ln 2 − 2G 3. 1 + sin x 0 3. BI (158)(6) [a real, a = 0] HBI (155)(6) GW (333)(61)a LI (206)(10) GW (333)(55a) GW (333)(55c) GW (333)(55b) 3.792 Rational and trigonometric functions π 449 π π/2 π − x cos x 2 − x cos x dx = 2 dx = π ln 2 + 4G = 5.8414484669 . . . 1 − sin x 1 − sin x 0 2 4. 0 BI(207)(3), GW(333)(56c) π/2 5. 0 π 6. 0 x2 dx = 4π ln 2 1 − cos x π/2 7. 0 0 9. 10. 11. 12. 3. BI (219)(1) p+1 π + 2 p (p + 1) ∞ 1 2 − ζ(2k) p 42k−1 (p + 2k) k=1 LI (207)(4) π x dx = − ln 2 1 + cos x 2 GW (333)(55a) π/2 π x sin x dx = ln 2 + 2G 1 − cos x 2 0 π x sin x dx = 2π ln 2 0 1 − cos x π/2 π π x − sin x x − sin x dx = + dx = 2 1 − cos x 2 1 − cos x 0 0 π/2 π x sin x dx = − ln 2 + 2G 1 + cos x 2 0 3.792 1. 2. π xp+1 dx =− 1 − cos x 2 BI (207)(3) [p > 0] π/2 8. x2 dx π2 =− + π ln 2 + 4G = 3.3740473667 . . . 1 − cos x 4 GW (333)(56a) GW (333)(56b) GW (333)(57a) GW (333)(55b) 2 dx 2π a = 2 2 1−a −π 1 − 2a cos x + a π/2 ∞ x cos x dx a2k π k ln(1 + a) − = (−1) 1 + 2a sin x + a2 2a (2k + 1)2 0 k=0 2 a π 2 x sin x dx π a = ln(1 + a) 2 a 0 1 − 2a cos x + a 2 1 π a = ln 1 + a a π 2π 0 5. 0 <1 FI II 485 < 1, <1 LI (241)(2) a=0 BI (221)(2) 4. <1 2π x sin x dx 2π ln(1 − a) = 1 − 2a cos x + a2 a 1 2π ln 1 − = a a % a2 < 1, 2 a >1 n−1 a=0 & −n x sin nx dx a−k − ak 2π n ln(1 − a) + = − a a 1 − 2a cos x + a2 1 − a2 n−k k=1 2 a < 1, a = 0 BI (223)(4) BI (223)(5) 450 Trigonometric Functions ∞ 6. 0 ! ! π !! 1 + a !! sin x dx −1 = · 1 − 2a cos x + a2 x 4a ! 1 − a ! 3.792 [a real, a = 0, a = 1] GW (333)(62b) ∞ 7.8 0 0 ∞ 9. 0 ∞ 10.3 0 ∞ 11. 0 ∞ 12. 0 ∞ 13. 0 0 0 sin x cos bx π dx = a[b] · 1 − 2a cos x + a2 x 2(1 − a) π π = ab + ab−1 2(1 − a) 4 [0 < a < 1, [b = 0, 1, 2, . . .] [b = 1, 2, 3, . . .] ; b > 0] ; (for b = 0, see 3.792 6) (1 − a cos x) sin bx dx π 1 − a[b]+1 = · · 1 − 2a cos x + a2 x 2 1−a π 1 − ab πab = · + 2 1−a 4 ET I 19(5) [b = 1, 2, 3, . . .] [b = 1, 2, 3, . . .] [0 < a < 1, b > 0] ET I 82(33) −bβ 1 + ae 1 dx π = 2 2 2 2 1 − 2a cos bx + a β + x 2β (1 − a ) 1 − ae−bβ a2 < 1, b≥0 1 dx sin bβ aπ = 1 − 2a cos bx + a2 β 2 − x2 β (1 − a2 ) 1 − 2a cos bβ + a2 2 a < 1, b>0 e−βbc − ac sin bcx x dx π = 1 − 2a cos bx + a2 β 2 + x2 2 (1 − ae−bβ ) (1 − aebβ ) 2 a < 1, b > 0, 1 sin bx x dx π = 1 − 2a cos bx + a2 β 2 + x2 2 ebβ − a 1 π = 2a aebβ − 1 a2 < 1, b>0 a2 > 1, b>0 BI (192)(1) BI (193)(1) c>0 BI (192)(8) a − cos βbc sin bcx x dx π = 2 2 2 1 − 2a cos bx + a β − x 2 1 − 2a cos βb + a2 c 2 a2 < 1, b > 0, c>0 1 − a sin βbc + 2ac+1 sin βb cos bcx dx π = 1 − 2a cos bx + a2 β 2 − x2 2β (1 − a2 ) 1 − 2a cos βb + a2 2 a < 1, b > 0, c > 0 ∞ 1 − a cos bx dx π e = 1 − 2a cos bx + a2 1 + x2 2 eb − a 0 16. [0 < a < 1] ∞ 15. [b = 1, 2, . . .] ; BI (192)(2) ∞ 14. [b = 0, 1, 2, . . .] ET I 81(26) ∞ 8. sin bx dx π 1 + a − 2a[b]+1 = · 1 − 2a cos x + a2 x 2 (1 − a2 ) (1 − a) π 1 + a − ab − ab+1 = 2 (1 − a2 ) (1 − a) b a2 < 1, b>0 BI (193)(5) BI (193)(9) FI II 719 3.794 Rational and trigonometric functions ∞ 17. 0 π eβ−βb + aeβb cos bx dx · = 1 − 2a cos x + a2 x2 + β 2 2β (1 − a2 ) (eβ − a) 451 [0 ≤ b < 1, |a| < 1, Re β > 0] ET I 21(21) ∞ 18. 0 sin bx sin x dx · 1 − 2a cos x + a2 x2 + β 2 π sinh bβ [0 ≤ b < 1] 2β eβ − a + , π = am eβ(m+1−b) − e(1−b)β 4β (aeβ − 1) , + π m −(m+1−b)β −(1−b)β [m ≤ b ≤ m + 1] a e − e − 4β (ae−β − 1) [0 < a < 1, Re β > 0] ET I 81(27) = ∞ 19. 0 ∞ 20. (cos x − a) cos bx dx π cosh βb · = 1 − 2a cos x + a2 x2 + β 2 2β (eβ − a) sin x (1 − 2a cos 2x + 0 n+1 a2 ) dx = x = 0 |a| < 1, Re β > 0] ET I 21(23) ∞ 0 [0 ≤ b < 1, ∞ tan x (1 − 2a cos 2x + tan x n+1 a2 ) (1 − 2a cos 4x + n+1 a2 ) dx x n n π dx = 2n+1 2 k x 2 (1 − a ) k=0 2 a2k BI (187)(14) 3.793 2π 1.3 0 k=1 [|a| < 1] 2π 2. 0 3.794 1.3 2. 3.3 % & n sin nx − a sin[(n + 1)x] 1 n x dx = −2πa ln(1 − a) + 1 − 2a cos x + a2 kak cos nx − a cos[(n + 1)x] x dx = 2πan 1 − 2a cos x + a2 ∞ a2 < 1 BI (223)(9) BI (223)(13) a2k+1 x dx π2 4 = + 2 2 (1 − a2 ) (1 − a2 ) (2k + 1)2 0 1 + a + 2a cos x k=0 2 a <1 ⎡ √ √ n n 2π 1 − a2 − 1 − 1 − a2 2π x sin nx n 1+ ⎣ dx = √ (∓1) 1 ± a cos x an 1 − a2 0 √ √ ⎤ √ n−1 (∓1)k 1 + 1 − a2 k − 1 − 1 − a2 k 2 1±a ⎦ √ × ln √ + ak 1 + a + 1 − a k=0 n − k 2 a <1 BI (223)(2) √ n 2π 2 x cos nx 2π 2 1 − 1 − a2 dx = √ a <1 BI (223)(3) 2 1 ± a cos x ∓a 1−a 0 π 452 Trigonometric Functions √ x sin x dx π a + a2 − b 2 = ln b 2(a − b) 0 a + b cos x √ 2π 2π a + a2 − b2 x sin x dx = ln a + b cos x b 2(a + b) 0 ∞ dx π sin x · = √ x 2 a2 − b 2 0 a ± b cos 2x 4. 5. 6. 3.795 π =0 [a > |b| > 0] GW (333)(53a) [a > |b| > 0] GW (333)(53b) a2 > b 2 a2 < b 2 BI (181)(1) ∞ 2 b + c2 + x2 x sin ax − b2 − c2 − x2 c sinh ac dx = π 3.795 2 2 2 2 −∞ [x + (b − c) ] [x + (b + c) ] (cos ax + cosh ac) 2π = ab e +1 [a > 0] 3.796 π/2 π cos x ± sin x x dx = ∓ ln 2 − G 1. cos x ∓ sin x 4 0 π/4 π 1 cos x − sin x x dx = ln 2 − G 2. cos x + sin x 4 2 0 3.797 1. 2. 3. 3.798 ∞ 1.8 0 tan x dx π · = √ 2 a + b cos 2x x 2 a − b2 =0 2.8 0 [b > c > 0] BI (202)(18) BI (207)(8, 9) BI (204)(23) π/4 π 1 π2 π π − x tan x tan x dx = ln 2 + − + ln 2 4 2 32 4 8 0 π/4 π π 1 4 − x tan x dx = − ln 2 + G cos 2x 8 2 0 π/4 π π 1 4 − x tan x dx = ln 2 + G cos 2x 8 2 0 [c > b > 0] BI (204)(8) BI (204)(19) BI (204)(20) [0 < b < a] [0 < a < b] BI (181)(2) ∞ dx π tan x · = √ 2 a + b cos 4x x 2 a − b2 =0 [0 < b < a] [0 < a < b] BI (181)(3) 3.799 1. 0 π/2 x dx 2 (sin x + a cos x) = ln a a π − 2 1+a 2 1 + a2 [a > 0] BI (208)(5) 3.812 Rational and trigonometric functions π/4 2. x dx 2 (cos x + a sin x) 0 = 453 1−a 1 1+a π ln √ + · 1 + a2 4 (1 + a) (1 + a2 ) 2 [a > 0] π 3. a cos x + b 2 2x (a + b cos x) 0 dx = 2(a − b) 2π √ ln b a + a2 − b 2 BI (204)(24) [a > |b| > 0] GW (333)(58a) 3.811 π 1. 0 t1 x dx t1 + t2 t1 − t2 1 + tan 2 sin x · = π cosec cosec ln t2 1 − cos t1 cos x 1 − cos t2 cos x 2 2 1 + tan 2 (cf. 3.794 4) π/2 2. 0 π/4 3. 0 π/4 4. 0 π/4 5. 0 3.812 1. 0 2. 3. 4.11 π π x dx = ln 2 + G (cos x ± sin x) sin x 4 BI (208))(16, 17) π x dx = − ln 2 + G (cos x + sin x) sin x 8 BI (204)(29) π x dx = ln 2 (cos x + sin x) cos x 8 BI (204)(28) sin x x dx π π 1 = − ln 2 + − ln 2 2 sin x + cos x cos x 8 4 2 BI (204)(30) π x sin x dx b = √ arctan 2 a + b cos x a√ ab √ π a + −b √ = √ ln √ 2 −ab a − −b √ π/2 π 1+ 1+a x sin 2x dx = ln 1 + a cos2 x a 2 0 √ π/2 π 2 1+a− 1+a x sin 2x dx = ln a 2 1 + a sin2 x 0 π 2 π x dx = √ 2 − cos2 x a 2a a2 − 1 0 =0 = divergent ! ! π !1 + a! π x sin x dx ! ! = ln 2 2 2a ! 1 − a ! 0 a − cos x [a > 0, b > 0] [a > −b > 0] GW (333)(60a) [a > −1, a = 0] BI (207)(10) [a > −1, a = 0] BI (207)(2) a2 > 1 principal value for 0 < a2 < 1 [a = 0] BI (219)(10) 5.7 BI (222)(5) [0 < a < 1] divergent if a = 0 BI (219)(13) 454 Trigonometric Functions 6. π 11 0 x sin 2x dx = π ln 4 1 − a2 a2 − cos2 x , + = 2π ln 2 1 − a2 + a a2 − 1 = divergent 3.813 principal value for 0 ≤ a2 < 1 2 a >1 [|a| = 1] BI (219)(19) π/2 7. 0 8. 9. 10. 11. 12.∗ 13.∗ BI (207)(1) π x sin x dx = π(π − 2t) cosec 2t 2 2 0 1 − cos t sin x π ∞ x cos x dx sin(2k + 1)t = 4 cosec t 2 2 (2k + 1)2 0 cos t − cos x k=0 π π x sin x dx = (π − 2t) cot t 2 2 2 0 tan t + cos x ∞ t x (a cos x + b) sin x dx = 2aπ ln cos + πbt tan t 2 2x 2 cot t + cos 0 % & π x sin x cos x a−1 dx = −π ln 2 + ln 1 + a a − sin2 x 0 π/2 √ ln a − sin2 x dx = −π ln 2 + iπ ln arccos a 0 14.∗ ∞ x sin x dx sin(2k + 1)t = −2 cosec t 2 2 (2k + 1)2 cos t − sin x k=0 π/2 PV BI (219)(12) BI (219)(17) BI (219)(14) BI (219)(18) [a > 1] [0 < a < 1] ! ! ln !a − sin2 x! dx = −π ln 2 [0 < a < 1] ! ! ln !a − cos2 x! dx = −π ln 2 [0 < a < 1] 0 15.∗ π/2 PV 0 3.813 1. 0 π x dx 1 = 2 2 2 2 4 a cos x + b sin x ∞ 2. 0 0 0 x dx π2 = 2ab a2 cos2 x + b2 sin2 x [a > 0, b > 0] GW (333)(36) GW(333)(81), ET II 222(63) sin x dx π = 2 2 2 2ab sin x + b cos x [ab > 0] sin2 x dx π = 2 2 2 2 2b(a + b) x a cos x + b sin x [a > 0, x 0 2π β γ 2 1 π sinh(2aδ) dx − − = · 2 2 2 2 γ β sinh(2aδ) β 2 sin2 ax + γ 2 cos2 ax x2 + δ 2 4δ β sinh (aδ) ! − γ cosh ! (aδ) ! ! β !arg ! < π, Re δ > 0, a > 0 ! γ! ∞ 3. 4. ∞ a2 BI (181)(8) b > 0] BI (181)(11) 3.814 Rational and trigonometric functions 5. 455 π/2 π x sin 2x dx a+b = 2 [a > 0, b > 0, a = b] GW (333)(52a) ln a − b2 2b a2 cos2 x + b2 sin2 x π x sin 2x dx a+b 2π [a > 0, b > 0, a = b] GW (333)(52b) ln = 2 2 2 cos2 x + b2 sin2 x a − b 2a a 0 ∞ π sin 2x dx = [a > 0, b > 0] BI (182)(3) · 2 2 2 2 x a(a + b) 0 a cos x + b sin x ∞ β−γ sin 2ax π x dx −2aδ − e = · 2 2 2 2 2 2 β+γ 2 β 2 sinh2 (aδ) − γ 2 cosh2 (aδ) 0 β sin ax + γ cos ax x + δ ! ! ! ! β ! ! a > 0, !arg ! < π, Re δ > 0 γ 0 6. 7. 8. ET II 222(64), GW(333)(80) ∞ 9. 0 ∞ 11. 0 b > 0] BI (182)(7)a dx π sin x cos2 x · = 2 2 2 2a(a + b) cos x + b sin x x [a > 0, b > 0] BI (182)(4) π 2 sin3 x dx = · · 2 2 2 2 2b a + b a cos x + b sin x x [a > 0, b > 0] BI (182)(1) a2 0 3.814 [a > 0, ∞ 10. dx π (1 − cos x) sin x · = 2b(a + b) a2 cos2 x + b2 sin2 x x π/2 1. 0 π/4 2. 0 5. dx π tan x = 2 2 2ab x + b sin x x b > 0] BI (181)(9) [a > 0, b > 0] LI (208)(20) [a > 0, b > 0] GW (333)(59) [a > 0, b > 0] BI (182)(6) π tan x dx = · 2ab a2 cos2 2x + b2 sin2 2x x [a > 0, b > 0] BI (181)(10)a dx π 1 sin2 2x tan x · = · 2 2 2 2 2b a + b a cos 2x + b sin 2x x [a > 0, b > 0] BI (182)(2)a π 1 cos2 2x tan x dx = · · 2a a + b a2 cos2 2x + b2 sin2 2x x [a > 0, b > 0] BI (182)(5)a cos2 π/2 x cot x dx a+b π = 2 ln 2 2 2 2a b cos x + b sin x 0 π/2 π π π 1 2 − x tan x dx 2 − x tan x dx = a2 cos2 x + b2 sin2 x 2 0 a2 cos2 x + b2 sin2 x 0 a+b π = 2 ln 2b a a2 ∞ 6. ∞ 7. 0 ∞ 8. 0 9. 0 2 a2 0 BI (204)(30) [a > 0, a2 0 BI (206)(9) π π 1 x tan x dx = − ln 2 + − ln 2 (sin x + cos x) cos x 8 4 2 ∞ 3. 4. (1 − x cot x) dx π = 2 4 sin x ∞ π sin x tan x dx = · 2 2 2 2b(a + b) cos x + b sin x x 456 Trigonometric Functions ∞ 10. 0 11. 12. 13. 14. 15. 3.815 dx sin2 x cos x π a · =− 2 2 2 2 2 8b a + b2 a cos 2x + b sin 2x x cos 4x ∞ sin x 2 cos2 x + b2 sin2 x a 0 ∞ sin x cos x 2 2 2 2 0 a cos x + b sin x ∞ sin x cos2 x 2 2 2 2 0 a cos x + b sin x ∞ sin3 x 2 2 2 2 0 a cos x + b sin x ∞ 1 − cos x 2 2 2 2 0 a cos x + b sin x π/2 1. 0 π/2 2. 0 3.815 [a > 0, b > 0] BI (186)(12)a · dx π b 2 − a2 = · x cos 2x 2ab b2 + a2 [a > 0, b > 0] BI (186)(4)a · π b dx = · x cos 2x 2a a2 + b2 [a > 0, b > 0] BI (186)(7)a · π b2 dx = · 2 x cos 2x 2ab a + b2 [a > 0, b > 0] BI (186)(8)a · π a dx =− · 2 x cos 2x 2b a + b2 [a > 0, b > 0] BI (186)(10) · dx π = x sin x 2ab [a > 0, b > 0] BI (186)(3)a x sin 2x dx π = ln 2 2 a − b 1 + a sin x 1 + b sin x √ √ 1+ 1+b 1+a √ ·√ 1+ 1+a 1+b [a > 0, b > 0] √ √ 1+ 1+n 1+a π x sin 2x dx √ = ln a + ab + b 1+ 1+a 1 + a sin2 x (1 + b cos2 x) [a > 0, b > 0] (cf. 3.812 3) BI (208)(22) (cf. 3.812 2 and 3) BI (208)(24) √ π/2 π 1+ 1+a x sin 2x dx √ = ln (1 + a cos2 x) (1 + b cos2 x) a−b 1+ 1+b 0 3. [a > 0, b > 0] (cf. 3.812 2) BI (208)(23) π/2 4. 0 t1 cos x sin 2x dx 2π 2 = ln cos2 t1 − cos2 t2 cos t2 1 − sin2 t1 cos2 x 1 − sin2 t2 cos2 x 2 [−π < t1 < π, −π < t2 < π] BI (208)(21) 3.816 1. π 2 2. (a2 0 3. dx = π 2 (a2 − cos2 x) π 2 a − 1 − sin2 x cos x 0 7 √ x2 sin 2x 11 0 π − cos2 2 x) a2 − 1 − a a (a2 − 1) ! ! π !! 1 − a !! x dx = ln ! 2 1 + a! 2 [a > 1] a2 > 1 LI (220)(9) (cf. 3.812 5) √ √ a cos 2x − sin2 x 2 2 x dx = −2π ln 2 −a + a a + 1 2 a + sin+ x , √ √ a < −1 and a > 0. When a > 0, can write a a + 1 as a(a + 1). BI (220)(12) LI (220)(10) 3.818 Rational and trigonometric functions 4.11 0 π √ √ a cos 2x + sin2 x 2 2 x dx = 2π ln 2 a − a a + 1 2 a +− sin x , √ √ a < 0 and a > 1. When a > 1, can write a a + 1 as a(a + 1). 457 (cf. 3.812 6) LI (220)(11) 3.817 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 ∞ 4. 0 ∞ 5. 0 ∞ 6. 0 ∞ 7. 0 ∞ 8. 0 3.818 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 ∞ 4. 0 5. 0 ∞ sin x π a2 + b 2 dx = · 3 3 · 2 x 4 a b a2 cos2 x + b2 sin2 x [ab > 0] BI (181)(12) π sin x cos x dx = 3 2 · 2 2 2 2 x 4a b a cos x + b sin x [ab > 0] BI (182)(8) π sin3 x dx = 2 · 2 x 4ab3 a2 cos2 x + b2 sin x [ab > 0] BI (181)(15) π sin x cos2 x dx = 3 2 · 2 2 2 2 x 4a b a cos x + b sin x [ab > 0] BI (182)(9) π a2 + b 2 tan x dx = · 3 3 · 2 x 4 a b a2 cos2 x + b2 sin2 x [ab > 0] BI (181)(13) π a2 + b 2 tan x dx = · 2 x 4 a3 b 3 a2 cos2 2x + b2 sin2 2x [ab > 0] BI (181)(14) π sin2 x tan x dx = 2 · 2 x 4ab3 a2 cos2 x + b2 sin x [ab > 0] BI (182)(11) tan x cos2 2x π dx = 3 2 · 2 2 2 2 x 4a b a cos 2x + b sin 2x [ab > 0] BI (182)(10) π 3a4 + 2a2 b2 + 3b4 sin x dx = · · 3 x 16 a5 b 5 a2 cos2 x + b2 sin2 x [ab > 0] BI (181)(16) [ab > 0] BI (182)(13) [ab > 0] BI (182)(14) π 3a2 + b2 dx = · · 3 x 16 a3 b 5 a2 cos2 x + b2 sin2 x [ab > 0] LI (181)(19) π 3a2 + b2 sin3 x cos x dx = · · 3 x 64 a3 b 5 a2 cos2 2x + b2 sin2 2x [ab > 0] BI (182)(17) 2 π a + 3b sin x cos x dx = · 3 · 2 x 16 a5 b 3 a2 cos2 x + b2 sin x 2 π a2 + 3b2 sin x cos2 x dx = · · 3 x 16 a5 b 3 a2 cos2 x + b2 sin2 x sin3 x 458 Trigonometric Functions ∞ 6. 0 ∞ 7. 0 ∞ 8. 0 ∞ 9. 0 3.819 ∞ 1. 0 ∞ 0 0 ∞ 4. 0 ∞ 5. 0 ∞ 6. 0 ∞ 7. 0 ∞ 8. 0 9. 0 π 3a2 + b2 sin2 x tan x dx = · · 3 x 16 a3 b 5 a2 cos2 x + b2 sin2 x [ab > 0] BI (181)(17) [ab > 0] BI (182)(16) π 3a4 + 2a2 b2 + 3b4 tan x dx = · · 3 x 16 a5 b 5 a2 cos2 2x + b2 sin2 2x 2 2 π a + 3b tan x cos 2x dx = · 3 · 2 x 16 a5 b 3 a2 cos2 2x + b2 sin 2x [ab > 0] BI (181)(18) [ab > 0] BI (182)(15) 2 π 5a6 + 3a4 b2 + 3a2 b4 + 5b6 sin x dx = · · 4 x 32 a7 b 7 a2 cos2 x + b2 sin2 x ∞ BI (181)(20) π a4 + 2a2 b2 + 5b4 sin x cos x dx = · · 4 x 32 a7 b 5 a2 cos2 x + b2 sin2 x [ab > 0] ∞ 3. tan x π 3a4 + 2a2 b2 + 3b4 dx = · 3 x 16 a5 b 5 a2 cos2 x + b2 sin2 x [ab > 0] 2. 3.819 BI (182)(18) π a4 + 2a2 b2 + 5b4 sin x cos2 x dx = · · 4 x 32 a7 b 5 a2 cos2 x + b2 sin2 x [ab > 0] BI (182)(19) [ab > 0] BI (181)(23) [ab > 0] BI (182)(26) π a2 + 5b2 sin x cos3 x dx = · · 4 x 32 a7 b 3 a2 cos2 x + b2 sin2 x [ab > 0] BI (182)(23) π a2 + b 2 sin3 x cos2 x dx = · 5 5 · 4 x 32 a b a2 cos2 x + b2 sin2 x [ab > 0] BI (182)(27) π a2 + 5b2 sin x cos4 x dx = · · 4 x 32 a7 b 3 a2 cos2 x + b2 sin2 x [ab > 0] BI (182)(24) [ab > 0] BI (181)(24) 3 4 2 2 π 5a + a b + b sin x dx = · 4 · 2 x 32 a5 b 7 a2 cos2 x + b2 sin x 3 2 π a +b sin x cos x dx = · 5 5 4 · 2 x 32 a b a2 cos2 x + b2 sin x sin5 x 4 2 π 5a2 + b2 dx = · 4 · 2 x 32 a3 b 7 a2 cos2 x + b2 sin x 3.821 Powers and trigonometric functions ∞ 10. 0 ∞ 11. 0 ∞ 12. 0 ∞ 13. 0 ∞ 14. 0 ∞ 15. 0 ∞ 16. 0 459 sin3 x cos x π 5a4 + 2a2 b2 + b4 dx = · · 4 x 128 a5 b 7 a2 cos2 2x + b2 sin2 2x π 5a2 + b2 sin5 x cos3 x dx = · · 4 x 512 a3 b 7 a2 cos2 2x + b2 sin2 2x [ab > 0] BI (182)(22) [ab > 0] BI (182)(30) π 5a4 + 2a2 b2 + b4 sin2 x tan x dx = · 4 · 2 x 32 a5 b 7 a2 cos2 x + b2 sin x 4 2 sin x tan x π 5a + b dx = · 4 · 2 2 2 2 x 32 a3 b 7 a cos x + b sin x [ab > 0] BI (182)(21) [ab > 0] BI (182)(29) 2 π a4 + 2a2 b2 + 5b4 cos2 2x tan x dx = · · 4 x 32 a7 b 5 a2 cos2 2x + b2 sin2 2x 3 2 π a +b sin 4x tan x dx = · 5 5 4 · 2 2 2 2 x 8 a b a cos 2x + b sin 2x [ab > 0] BI (182)(29) [ab > 0] BI (182)(28) [ab > 0] BI (182)(25) 2 cos4 2x tan x π a2 + 5b2 dx = · · 4 x 32 a7 b 3 a2 cos2 2x + b2 sin2 2x 3.82–3.83 Powers of trigonometric functions combined with other powers 3.821 π Γ(p + 1) π2 x sinp x dx = p+1 + 1. ,2 p 2 0 +1 Γ 2 rπ 2 (2m − 1)!! 2 π · r 2. x sinn x dx = 2 (2m)!! 0 (2m)!! r = (−1)r+1 π (2m + 1)!! [p > −1] BI(218)(7), LO V 121(71) [n = 2m] [n = 2m + 1] [r is a natural number] π/2 x cosn x dx = 3.11 0 = 4. 5. m−1 1 π 2 (n − 1)!! − n−2 8 (n)!! 2 1 π (n − 1)!! − n−1 2 (n)!! 2 k=0,m−k odd m−1 k=0 n k n k 1 (n − 2k)2 1 (n − 2k)2 GW (333)(8c) [n = 2m] [n = 2m − 1] GW (333)(9b) π (2m − 1)!! 2 (2m)!! 0 sπ (2m − 1)!! π2 2 s − r2 x cos2m x dx = 2 (2m)!! rπ π x cos2m x dx = 2 BI (218)(10) BI (226)(3) 460 Trigonometric Functions √ Γ p2 sinp x π p p dx = · p+1 = 2p−2 B , x 2 Γ 2 2 2 [p is a fraction with odd numerator and denominator] ∞ 6. 0 ∞ 7. 0 ∞ 8. 0 ∞ 9. 0 ∞ 10. 0 ∞ 11. 0 3.822 ∞ LO V 278, FI II 808 (2n − 1)!! π sin2n+1 x dx = · x (2n)!! 2 BI (151)(4) sin2n x dx = ∞ x BI (151)(3) sin2 ax aπ dx = 2 x 2 [a > 0] LO V 307, 312, FI II 632 sin2m ax (2m − 3)!! aπ · dx = x2 (2m − 2)!! 2 [a > 0] GW (333)(14b) a2 π sin2m+1 ax (2m − 3)!! (2m + 1) dx = 3 x (2m)!! 4 [a > 0] GW (333)(14d) sinp x dx xm 12. ∞ p−1 sin x p cos x dx = m−1 m−1 0 x ∞ p−2 ∞ p sin x sin x p2 p(p − 1) dx − dx = (m − 1)(m − 2) 0 xm−2 (m − 1)(m − 2) 0 xm−2 0 [p > m − 1 > 0] [p > m − 1 > 1] GW (333)(17) ∞ 2n sin px √ dx = ∞ x 13. 0 ∞ 1 dx sin2n+1 px √ = 2n 2 x 14. 0 3.822 BI (177)(5) π/2 xp cosm x dx = − 1. 0 π (−1)k 2p n k=0 p(p − 1) m2 2n + 1 n+k+1 π/2 xp−2 cosm x dx + 0 √ 1 2k + 1 m−1 m π/2 xp cosm−2 x dx 0 [m > 1, ∞ 2. x−1/2 cos2n+1 (px) dx = 0 ∞ 3.823 0 xμ−1 sin2 ax dx = − 1 22n π 2p n k=0 Γ(μ) cos μπ 2 2μ+1 aμ 2n + 1 n+k+1 BI (177)(7) p > 1] 1 √ 2k + 1 [a > 0, GW (333)(9a) BI (177)(8) −2 < Re μ < 0] ET I 319(15), GW(333)(19c)a 3.824 1. 2. ∞ sin2 ax π 1 − e−2aβ dx = 2 + β2 x 4β 0 ∞ cos2 ax π 1 + e−2aβ dx = 2 2 4β 0 x +β [a > 0, Re β > 0] BI (160)(10) [a > 0, Re β > 0] BI (160)(11) 3.824 Powers and trigonometric functions ∞ 3.7 2m sin 0 ∞ 4.7 dx (−1)m π x 2 = 2m+1 · 2 a +x 2 2 sin2m+1 x 0 2 2m sinh 2m a−2 m 461 k (−1) k=0 dx (−1)m−1 = a2 + x2 22m+2 a 2m k sinh[2(m − k)a] [a > 0] e(2m+1)a + e−(2m+1)a 2m+1 BI (160)(12) 2m + 1 −2ka Ei[(2k − 2m − 1)a] e k 2m + 1 2ka e Ei[(2m + 1 − 2k)a] k (−1)k k=0 2m+1 (−1)k−1 k=0 [a > 0] ∞ 5.7 sin2m+1 x 0 6. ∞ 7 cos2m x 0 x dx π = 2m+1 e−(2m+1)a 2 +x 2 a2 2m dx π = 2m+1 2 2 a +x 2 a m + m (−1)m+k k=0 m π 22m k=1 BI (160)(14) 2m + 1 2ka e k + π, |arg a| < , 2 m = 0, 1, 2, . . . 2m e−2ka m+k [a > 0] ∞ 7. dx π = 2m+1 2 2 a +x 2 a m cos2m+1 x 0 k=1 BI (160)(16) 2m + 1 e−(2k+1)a m+k+1 [a > 0] ∞ 8. cos2m+1 x 0 2m+1 x dx e−(2m+1)a = − a2 + x2 22m+2 − 0 10. 0 22m+2 k=0 2m + 1 2ka e Ei[(2m − 2k + 1)a] k 2m + 1 −2ka Ei[(2k − 2m − 1)a] e k BI (160)(18) ∞ 9. e k=0 (2m+1)a 2m+1 BI (160)(17) ∞ 2 cos ax π sin 2ab dx = 2 2 b −x 4b [a > 0, b > 0] sin2 ax cos2 bx π 1 2(b−a)β 1 −2(a+b)β −2bβ −2aβ dx = +e − e −e 1− e β 2 + x2 8β 2 2 π 1 − e−4aβ = 16β π 1 2(a−b)β 1 −2(a+b)β −2bβ −2aβ = +e − e −e 1− e 8β 2 2 [a > 0, b > 0] , (cf. 3.824 1 BI (161)(10) [a > b] [a = b] [a < b] and 3) BI (162)(6) 462 Trigonometric Functions ∞ 11. 0 3.825 , x sin 2ax cos2 bx π + −2aβ −2(a+b)β 2(b−a)β 2e dx = + e + e β 2 + x2 8 π −4aβ = e + 2e−2aβ 8 , π + −2aβ + e−2(a+b)β − e2(a−b)β = 2e 8 [a > 0] [a = b] [a < b] LI (162)(5) 3.825 ∞ 1. 0 π b − c + ce−2ab − be−2ac sin2 ax dx = (b2 + x2 ) (c2 + x2 ) 4bc (b2 − c2 ) ∞ π b − c + be−2ac − ce−2ab cos2 ax dx = 2 2 2 2 4bc (b2 − c2 ) 0 (b + x ) (c + x ) 2. ∞ 3.3 0 (b2 π (c sin 2ab − b sin 2ac) sin2 ax dx = − x2 ) (c2 − x2 ) 4bc (b2 − c2 ) (b2 π (b sin 2ac − c sin 2ab) cos ax dx = 2 2 2 − x ) (c − x ) 4bc (b2 − c2 ) [a > 0, b > 0, c > 0] BI (174)(15) [a > 0, b > 0, c > 0] BI (175)(14) [a > 0, b > 0, c > 0, b = c] LI (174)(16) ∞ 4.3 0 2 [a > 0, b > 0, c > 0, b = c] LI (175)(15) 3.826 ∞ 1. 0 ∞ 2. 0 3.827 ∞ 1.8 0 π sin2 ax dx 1 −2ab = 2 2a − 1−e x2 (b2 + x2 ) 4b b [a > 0, b > 0] BI (172)(13) π sin2 ax dx = 2 x2 (b2 − x2 ) 4b [a > 0, b > 0] BII (172)(14) 2a − 1 sin 2ab b sin3 ax 3 − 3ν−1 ν−1 νπ a Γ(1 − ν) dx = cos ν x 4 2 [a < Re ν < 4, ν = 1, 2, 3] GW (333)(19f) ∞ 2.8 0 ∞ 3. 0 ∞ 4.8 0 ∞ 5. 0 6. 0 ∞ 3 π sin ax dx = x 4 LO V 277 sin3 ax 3 dx = a ln 3 2 x 4 BI (156)(2) sin3 ax 3 dx = a2 π x3 8 sin4 ax aπ dx = 2 x 4 sin4 ax dx = a2 ln 2 x3 BI(156)(7)a,LO V 312 [a > 0] BI (156)(3) BI (156)(8) 3.828 Powers and trigonometric functions ∞ 7. 0 ∞ 8. 0 ∞ 9. 0 ∞ 10. 0 ∞ 11. 0 ∞ 12. 0 ∞ 13. 0 ∞ 14. 0 ∞ 15. 0 3.828 1.8 2.8 3.8 sin4 ax a3 π dx = x4 3 [a > 0] sin5 ax 5 a (3 ln 3 − ln 5) dx = x2 16 sin5 ax 5 2 a π dx = 3 x 32 [a > 0] sin5 ax 5 3 a (25 ln 5 − 27 ln 3) dx = x4 96 ∞ 0 BI (156)(12) sin5 ax 115 4 a π dx = x5 384 [a > 0] BI(156)(13), LO V 312 sin6 ax 3 aπ dx = 2 x 16 [a > 0] BI (156)(5) sin6 ax 3 2 a (8 ln 2 − 3 ln 3) dx = x3 16 BI (156)(10) sin6 ax 1 4 a (27 ln 3 − 32 ln 2) dx = 5 x 16 BI (156)(14) sin6 ax 11 5 a π dx = x6 40 sin2 ax cos 2bx 1 dx = π max(0, a − b) 2 x 2 ∞ π sin 2ax cos2 bx dx = x 2 3 = π 8 π = 4 0 6. 0 1 4a2 − b2 sin2 ax cos bx dx = ln x 4 b2 ∞ 5.8 BI (156)(9) [a > 0] LO V 312 FI II 647 BI (157)(1) BI (151)(10) 4.8 BI(156)(11), LO V 312 BI (156)(4) In 3.828 1–21 the restrictions a > 0, b > 0, c > 0 apply. ! ! ∞ sin ax sin bx 1 !! a + b !! [a = b] dx = ln ! x 2 a − b! 0 ∞ dx 1 sin ax sin bx 2 = π min(a, b) x 2 0 ∞ 2 π sin ax sin bx dx = [b < 2a] x 4 0 π = [b = 2a] 8 =0 [b > 2a] 463 [2a = b] BI (151)(12) [a > b] [a = b] [a < b] BI (151)(9) 464 Trigonometric Functions ∞ 7.8 0 3.828 sin2 ax sin bx sin cx π (|b − 2a − c| − |2a − b − c| + 2c) dx = 2 x 16 [a > 0, 0 < c ≤ b] ! ! ∞ 1 !! (b + c)2 (2a − b + c)(2a + b − c) !! sin2 ax sin bx sin cx dx = ln ! x 8 (b − c)2 (2a + b + c)(2a − b − c) ! 0 [b = c, 2a + c = b, 2a + b = c, BI(157)(9)a, ET I 79(15) 8.8 ∞ 9. 0 sin2 ax sin2 bx π dx = a x2 4 π = b 4 2a = b + c] LI (152)(2) [0 ≤ a ≤ b] [0 ≤ b ≤ a] BI (157)(3) ∞ 10.8 0 11. ∞ 8 0 ∞ 12. 0 ∞ 13. 0 14.10 0 ∞ sin ax sin bx 1 dx = π min a2 , b2 [3 max(a, b) − min(a, b)] 4 x 6 2 2 BI (157)(27) sin2 ax cos2 bx 1 dx = π [a + max(0, a − b)] 2 x 4 sin3 ax sin 3bx a3 π dx = 4 x 2 π 3 8a − 9(a − b)3 = 16 9bπ 2 a − b2 = 8 sin3 ax cos bx dx = 0 x π =− 16 π =− 8 π = 16 π = 4 BI (157)(6) [b > a] [a ≤ 3b ≤ 3a] BI (157)(28) [3b ≤ a] LI (157)(28) [b > 3a] [b = 3a] [3a > b > a] [b = a] [a > b] ⎛ [a > 0, b > 0] BI (151)(15) sin3 ax cos 3bx 3 ⎝ a ln 81 − 2(a − 3b) ln(a − 3b) + 2(a − b) ln(a − b) dx = 2 x 16 ⎞ + 2(a + b) ln(a + b) − 2(a + 3b) ln(a + 3)⎠ [Im a = 0, Im b = 0] MC 3.828 Powers and trigonometric functions ∞ 15. 0 sin3 ax cos bx π 2 3a − b2 dx = 3 x 8 πb2 = 4 π = (3a − b)2 16 =0 [b < a] [a = b] [a < b < 3a] [3a < b] [a > 0, ∞ 16. 0 sin3 ax sin bx bπ 2 9a − b2 dx = 4 x 24 π 24a3 − (3a − b)3 = 48 πa3 = 2 465 b > 0] BI(157)(19), ET I 19(10) [0 < b ≤ a] [0 < a ≤ b ≤ 3a] [0 < 3a ≤ b] ET I 79(16) ∞ 17. 0 ∞ 18.8 0 ∞ 19.11 0 3 2 π sin ax sin bx dx = x 8 5π = 32 3π = 16 3π = 32 =0 [2b > 3a] [2b = 3a] [3a > 2b > a] [2b = a] [a > 2b] [a > 0, b > 0] ! ! ! (2a + b)3 (b − 2a)3 (2a + 3b)(3b − 2a) ! 1 sin ax cos3 bx ! dx = ln !! ! x 16 9b8 [2a = b, 2a = 3b] BI (151)(14) 2 2 2 BI (151)(13) 2 sin ax sin bx sin cx dx x π = 4 sign(c) − 2 sign(2b + c) + 2 sign(2b − c) + sign(2a − 2b + c) − sign(2a − 2b − c) 32 + 2 sign(2a − c) + sign(2a + 2b + c) − sign(2a + 2b − c) − 2 sign(2a + c) 20. 0 [Im a = 0, ∞ Im b = 0, Im c = 0] MC sin2 ax sin2 bx sin 2cx dx x2 a−b−c a+b+c a+b−c ln 4(a − b − c)2 − ln 4(a + b + c)2 + ln 4(a + b − c)2 = 16 16 16 a−b+c a+c a−c ln 4(a − b + c)2 + ln 4(a + c)2 − ln 4(a − c)2 − 16 8 8 b+c b−c 1 ln 4(b + c)2 − ln 4(b − c)2 − c ln 2c + 8 8 2 [a > 0, b > 0, c > 0] BI (157)(10) 466 Trigonometric Functions ∞ 21.8 0 sin2 ax sin3 bx 3b2 π dx = x3 16 a2 π = 12 6b2 − (3b − 2a)2 π = 32 a2 π = 4 3.829 [2a > 3b] [2a = 3b] [3b > 2a > b] [b ≥ 2a] BI (157)(18) 3.829 1. 2. 3.831 1. 2. 3. 4. [(n−1)/2] n xn − sinn x π (n − 2k)n+1 dx = (−1)k n+2 n (n + 1)! k x 2 0 k=0 ∞ ∞ dx dx mπ 2m 1 − cos2m−1 x 2 = 1 − cos2m x 2 = 2m m x x 2 0 0 ∞ (2n − 1)!! b sin2n ax − sin2n bx dx = ln [ab > 0, x (2n)!! a 0 ∞ cos2n ax − cos2n bx (2n − 1)!! b dx = 1 − [ab > 0, ln x (2n)!! a 0 ∞ b cos2m+1 ax − cos2m+1 bx dx = ln [ab > 0, x a 0 ∞ 1 cosm ax cos max − cosm bx cos mbx b dx = 1 − m ln x 2 a 0 π/2 1. x cos 0 p−1 x sin ax dx = π 2p+1 Γ(p) p+a+1 − ψ p−a+1 2 2 p−a+1 p+a+1 Γ Γ 2 2 ψ 0 0 FI II 651 m = 0, 1, . . .] FI II m = 0, 1, . . .] LI (155)(8) −(p + 1) < a < p + 1] , dx (−1) π + −2a 2m 1 − e sin2m+1 x sin 2mx 2 = − 1 sinh a a + x2 22m+1 a sin2m−1 x sin[(2m − 1)x] 0 4. n = 0, 1, . . .] m [a > 0, ∞ 3. FI II 651 BI (205)(6) ∞ 2.3 n = 1, 2, . . .] [p > 0, BI (158)(7, 8) ∞ [ab > 0, 3.832 GW (333)(63) sin2m−1 x sin[(2m + 1)x] BI (162)(17) 2m−1 π dx (−1) 1 − e−2a = a2 + x2 22m a [a > 0, ∞ m = 0, 1. . . .] m+1 a2 m = 1, 2, . . .] BI (162)(11) 2m−1 dx (−1)m−1 π −2a e 1 − e−2a = 2 2m +x 2 a [a > 0, m = 1, 2, . . .] BI (162)(12) 3.832 Powers and trigonometric functions 5. 6.3 7. 8. 9. 10. 11. 12. 13. 14. 15. 16.3 17. 18.3 ∞ dx (−1)m π −3(2m+1)a e = sinh2m+1 a a2 + x2 2a 0 [a > 0] ∞ + m , x dx (−1) π a −2a 2m −2a 1 − e sin2m x sin[(2m − 1)x] 2 = e − 1 + e a + x2 22m+1 0 [a ≥ 0, m = 0, 1, . . .] ∞ , + x dx (−1)m π −2a 2m 1 − e sin2m x sin(2mx) 2 = − 1 a + x2 22m+1 0 [a > 0, m = 0, 1, . . .] ∞ m 2m x dx (−1) π sin2m x sin[(2m + 2)x] 2 = 2m+1 e−2a 1 − e−2a 2 a +x 2 0 [a > 0, m = 0, 1, . . .] ∞ m x dx (−1) π −4ma e sin2m x sin 4mx 2 = sinh2m a 2 a + x 2 0 [a > 0, m = 1, 2, . . .] ∞ dx (2m − 3)!! π · [m = 1, 2, . . .] sin2m x cos x 2 = x (2m)!! 2 0 ∞ , dx (−1)m π + −2a 2m−1 1 − e sin2m x cos[(2m − 1)x] 2 = − 1 sinh a a + x2 22m a 0 [a > 0, m = 1, 2, . . .] ∞ 2m dx (−1)m π sin2m x cos(2mx) 2 = 2m+1 1 − e−2a 2 a +x 2 a 0 [a > 0, m = 0, 1, . . .] ∞ m 2m dx (−1) π sin2m x cos[(2m + 2)x] 2 = 2m+1 e−2a 1 − e−2a 2 a +x 2 a 0 [a > 0, m = 0, 1, . . .] ∞ m dx (−1) π −4ma e sin2m x cos 4mx 2 = sinh2m a 2 a + x 2a 0 [a > 0, m = 0, 1, . . .] ∞ (2m − 1)!! π dx = · [m = 0, 1, . . .] sin2m+1 x cos x x (2m + 2)!! 2 0 ∞ dx (2m − 3)!! π · [m = 1, 2, . . .] sin2m+1 x cos x 3 = x (2m)!! 2 0 ∞ , x dx (−1)m π + −2a 2m−1 1 − e sin2m−1 x cos[(2m − 1)x] 2 = − 1 a + x2 22m 0 [m = 1, 2, . . . , a > 0] ∞ + , m−1 π a x dx (−1) −2a 2m+1 −a e 1 − e sin2m+1 x cos 2mx 2 = − 1 − e a + x2 22m+2 0 [m = 0, 1, . . . , a ≥ 0] 467 sin2m+1 x sin[3(2m + 1)x] BI (162)(18) BI (162)(13) BI (162)(14) BI (162)(15) BI (162)(16) GW (333)(15a) BI (162)(25) BI (162)(26) BI (162)(27) BI (162)(28) GW (333)(15) GW (333)(15b) BI (162)(23) BI (162)(29) 468 Trigonometric Functions ∞ 19. sin2m−1 x cos[(2m + 1)x] 0 3.832 2m−1 x dx (−1)m π −2a 1 − e−2a = e a2 + x2 22m [m = 1, 2, . . . , ∞ 20. sin2m+1 x cos[2(2m + 1)x] 0 ∞ 21. 0 cosm x sin mx x dx (−1)m−1 π −2(2m+1)a e = sinh2m+1 a 2 +x 2 22. cosn sx sin nsx 0 0 x dx π = n+1 2 +x 2 a2 cosn sx sin nsx cosm−1 x sin[(m + 1)x] cosm x sin[(m + 1)x] 0 ∞ 26.3 cosm x sin[(m − 1)x] 0 27.11 28. 29. 30. Re a > 0, n ≥ 0] ∞ BI (166)(10) m−1 x dx π = m e−2a 1 + e−2a 2 +x 2 m = 1, 2, . . .] x dx π = m cosh a 2 +x 2 + a2 [m = 0, 1, . . . , , m−1 1 + e−2a −1 a > 0] BI (163)(10) [m = 0, 1, . . . , a ≥ 0] BI (163)(7) 31. 0 cosm x sin(3mx) [m = 1, 2, . . . , ∞ cosm x cos[(m − 1)x] BI (163)(6) m x dx π = m+1 e−a 1 + e−2a a2 + x2 2 x dx π = e−3ma coshm a [a > 0, m = 1, 2, . . .] 2 + x2 a 2 0 ∞ n dx π cosn sx cos nxs 2 = n+1 1 + e−2as [n = 0, 1, . . .] 2 a +x 2 a 0 ∞ dx π cosn as sin nas cosn sx cos nsx 2 = [n = 0, 1, . . .] a − x2 2a 0 ∞ m−1 dx π cosm−1 x cos[(m + 1)x] 2 = m e−2a 1 + e−2a 2 a +x 2 a 0 BI (163)(9) a2 [a > 0, 25. BI (162)(8) x dx π −n 2 − cosn as cos nas = a2 − x2 2 0 ∞ BI (162)(30) + , n 1 + e−2as − 1 [n = 0, 1, . . .] ∞ 24. k=1 a > 0] m −2ka e Ei(2ka) − e2ka Ei(−2ka) k [s > 0, ∞ 23. x dx 1 = m+1 + x2 2 a a2 m [a > 0] ∞ BI (162)(24) a2 [m = 0, 1, . . . , a > 0] a2 dx π = m+1 e 2 +x 2 a + a 1 + e−2a m − 1 − e−2a [m = 0, 1, . . . , BI (163)(11) BI (163)(16) a > 0] , BI (163)(14) a > 0] BI (163)(15) 3.834 Powers and trigonometric functions ∞ 32. cosm x cos[(m + 1)x] 0 ∞ 33. 0 ∞ 34. cos2m x cos 2nx sin x cosp ax sin bx cos x 0 ∞ 36. dx x= x a > 0] BI (163)(17) [p > q − 1 > 0] [p > q − 1 > 1] GW (333)(18) ∞ cos2m−1 x cos 2nx sin 0 ∞ 37. 0 π dx = x 2 cosp ax sin pax cos x 0 [m = 0, 1, . . . , 2m m+n π dx x = 2m+1 x 2 BI (152)(5, 6) ∞ 35. ∞ sinp−1 x dx p p + 1 ∞ sinp+1 x = dx − dx q q−1 x q−1 0 x q−1 0 xq−1 ∞ p(p − 1) dx = sinp−2 x cos x q−2 (q − 1)(q − 2) 0 x ∞ (p + 1)2 dx − sinp x cos x q−2 (q − 1)(q − 2) 0 x 0 m dx π = m+1 e−a 1 + e−2a a2 + x2 2 a sinp x cos x 469 dx x2 n - k=1 p > −1] [b > ap, π dx = p+1 (2p − 1) x 2 [p > −1] % π cospk ak x sin bx sin x = 2 b> BI (153)(12) BI (153)(2) n & ak pk , ak > 0, pk > 0 k=1 BI (157)(15) 3.833 1. ∞ 10 2m+1 sin 0 x cos 2n dx = x x ∞ sin2m+1 x cos2n−1 x 0 (2m − 1)!!(2n − 1)!! dx = π x 2m+n+1 (m + n)! BI (151)(24, 25) 1 1 1 = B m + ,n + 2 2 2 GW (333)(24) ∞ 2. sin2m+1 2x cos2n−1 2x cos2 x 0 3.834 1. 0 ∞ π (2m − 1)!!(2n − 1)!! dx = · x 2 (2m + 2n)!! sin2m+1 x dx (−1)m π(1 + a)4m = · 2 1 − 2a cos x + a x 22m+2 a2m+1 − 2m k=0 k (−1) m− k LI (152)(4) ! ! ! 1 − a !2m−1 ! ! !1 + a! 1 2 4a (1 + a)2 k [|a| = 1] GW (333)(62a) 470 Trigonometric Functions ∞ 2. 0 sin2m+1 x cosn x dx p · 2 x (1 − 2a cos x + a ) = 3.835 1. ∞ 0 ∞ 2. 0 3.836 1. 2. n (−1)k (2m + 2n − 2k + 1)!!(2m + 2k − 1)!! n!π 2n+1 (2m + n + 1)!(1 + a)2p k!(n − k)! k=0 4a 3 × F m + n − k + , p; 2m + n + 2; 2 (1 + a)2 [a = ±1] GW (333)(62) π b2m−1 cos2m x cos 2mx sin x dx = · 2 x 2 a(a + b)2m a2 cos2 x + b2 sin x [ab > 0] BI (182)(31)a π b2m−1 cos2m−1 x cos 2mx sin x dx = · x 2a (a + b)2m a2 cos2 x + b2 sin2 x [ab > 0] LI (182)(32)a [m ≥ n] LI (159)(12) ∞ 0 3.835 ∞ 11 0 sin x x n sin x x n π sin mx dx = x 2 nπ cos mx dx = n 2 1 2 (m+n) k=0 (−1)k (n + m − 2k)n−1 k!(n − k)! [0 ≤ m < n] [m ≥ n ≥ 2] =0 π = 4 [m = n = 1] GI(159)(14), ET I 20(11) ∞ 3. 0 ∞ 4.8 0 sin x x n−1 sin x x n sin nx cos x π dx = x 2 ⎡ π⎢ sin(anx) 1 dx = ⎣1 − n−1 x 2 2 n! [n ≥ 1] ⎤ 1 2 n(1+a) BI (159)(20) (−1)k k=0 n ⎥ (n + an − 2k)n ⎦ k [all real a, n ≥ 1] 5.10 I n (b) = 0 π/2 1. 0 2. 0 n −1 sin x n (n − b − 2k)n−1 cos bx dx = n 2n−1 n! (−1)k k x 0 k=0 where 0 ≤ b < n, n ≥ 1, r = (n − b)/2, and r is the largest integer contained in r r ∞ LO V 340(14) ∞ 6.11 3.837 2 π ET I 20(11) π/4 sin x x n cos anx dx = 0 [a ≤ −1 or a ≥ 1, x2 dx = π ln 2 sin2 x π x2 dx π2 + ln 2 + G = 0.8435118417 . . . = − 2 16 4 sin x n ≥ 2; for n = 1 see 3.741 2] BI (206)(9) BI (204)(10) 3.839 Powers and trigonometric functions π/4 3. 0 π/4 4. 0 π2 π x2 dx = + ln 2 − G 2 cos x 16 4 π xp+1 dx = − 4 sin2 x p+1 471 GW (333)(35a) π + (p + 1) 4 p ∞ 1 1 1 − ζ(2k) p 2 42k−1 (p + 2k) k=1 [p > 0] π/2 5. 0 π/2 6. 0 ∞ 7. 0 ∞ 8. 0 1 9. 0 π 10.3 0 11.3 0 3.838 π BI (206)(7) 3 x3 cos x π3 + π ln 2 dx = − 3 16 2 sin x BI (206)(8) cos 2nx dx sin2n+1 x m = 0 cos x x 1 x dx = cosec a · ln sec a cos ax cos[a(1 − x)] a m−1 , n> 2 m−2 , n> 2 + π, a< 2 1 x sin(2n + 1)x dx = π 2 sin x 2 [n = 0, 1, 2, . . .] x sin 2nx dx = −4 (2k − 1)−2 sin x [n = 1, 2, 3, . . .] π/2 π/4 2. 0 4. m>0 BI (180)(16) m>0 BI (180)(17) BI (149)(20) n πp x cosp−1 x π sec dx = 2p 2 sinp+1 x π 1 x sinp−1 x dx = − β p+1 cos x 4p 2p [p < 1] p+1 2 [p > −1] m−1 π 1 (−1)k−1 x sin2m−1 x dx = (1 − cos mπ) + cos2m+1 x 8m 2m 2m − 2k − 1 0 k=0 % & π/4 m−1 (−1)k−1 1 π x sin2m x dx = + (−1)m−1 ln 2 + cos2m+2 x 2(2m + 1) 2 m−k 0 3. k=1 0 π2 x2 cos x dx = − + 4G = 1.1964612764 . . . 2 4 sin x cos 2nx dx sin2n x m = 0 cos x x 1. LI (204)(14) BI (206)(13)a LI (204)(15) π/4 BI (204)(17) BI (204)(16) k=0 3.839 1. π/4 11 x tan2 x dx = 1 π π2 − − ln 2 4 32 2 BI (204)(3) x tan3 x dx = 1 π 1 π − + ln 2 − G 4 2 8 2 BI (204)(7) 0 π/4 2. 0 3. 0 π/4 1 π π2 x2 tan x dx = ln 2 − + cos2 x 2 4 16 (cf. 3.839 1) BI (204)(13) 472 Trigonometric Functions π/4 4. 0 1 x2 tan2 x dx = cos2 x 3 1− π/2 x cosp x tan x dx = 5. 0 π/2 x sinp x cot x dx = 6. 0 ∞ 7. sin2n x tan x 0 ∞ 8. ∞ 0 ∞ 10. coss rx tan qx 0 q2 Γ(p + 1) ·+ ,2 p +1 Γ 2 2p−1 π − B 2p p BI (204)(12) [p > −1] BI (205)(3) [p > −1] BI (206)(11) p+1 p+1 , 2 2 π dx = x 2 cos[(2n − 1)x] · cos x tanr px π 2p+1 p (cf. 3.839 2) π (2n − 1)!! dx = · x 2 (2n)!! 0 9. π π2 π ln 2 − + +G 4 2 16 3.841 sin x x [s > −1] 2n dx = (−1)n−1 rπ dx π sec tanhr pq = 2 +x 2q 2 3.84 Integrals containing GW (333)(16) BI (151)(26) 22n − 1 2n−1 ·2 π|B2n | (2n)! 2 r <1 BI (180)(15) BI (160)(19) √ 1 − k2 sin2 x, 1 − k2 cos2 x, and similar expressions √ Notation: k = 1 − k 2 3.841 ∞ dx = E(k) sin x 1 − k 2 sin2 x 1. x 0 ∞ dx = E(k) 2. sin x 1 − k 2 cos2 x x 0 ∞ dx = E(k) 3. tan x 1 − k 2 sin2 x x 0 ∞ dx = E(k) 4. tan x 1 − k 2 cos2 x x 0 3.842 1. ∞ 11 0 dx sin x 2 1 + sin x x ∞ tan x dx = · 2 x 0 ∞ 1 + sin x ∞ sin x tan x 1 dx dx √ √ = = =√ K 2 2 2 1 + cos x x 1 + cos x x 0 0 BI (154)(8) BI (154)(20) BI (154)(9) BI (154)(21) 1 √ 2 ≈ 1.3110287771 BI (183)(4, 5, 9, 10) 2. u π 2 x cos x dx sin x − sin u 2 2 = π ln (1 + cos u) 2 BI (226)(4) 3.844 Integrals containing ∞ 3. 0 1 − k 2 sin2 xf unction]squareroot and similar expressions ∞ dx tan x = 2 2 2 2 x 1 − k sin x 0 ∞ 1 − k sin x sin x √ = 1 − k 2 cos2 x 0 sin x 473 dx x ∞ tan x dx dx √ = = K(k) 2 cos2 x x x 1 − k 0 BI (183)(12, 13, 21, 22) π/2 4. 0 π/2 5. 0 6. 0 7. 3.843 1. 2. 3.11 α dx = E(k) tan x 1 − k 2 sin2 2x x 0 ∞ dx = E(k) tan x 1 − k 2 cos2 2x x 0 ∞ ∞ dx 1 tan x tan x dx √ = =√ K 2 2 2 1 + cos 2x x 0 0 1 + sin 2x x ∞ ∞ 1. 0 4. 5. 6. BI (214)(1) LO III 284 LO III 284 ∞ 0 3. x sin x cos x 1 √ dx = 2 [π − 2 E(k)] 2 2 2k 1 − k cos x π sin2 α2 x sin x dx = cos2 α cos2 x sin2 α − sin2 x 4. 2. BI (211)(1) cos α + 1 − sin2 α sin2 β π ln β 2 cos β cos2 α2 x sin x dx = 0 1 − sin2 α sin2 x sin2 β − sin2 x 2 cos α 1 − sin2 α sin2 β 3.844 x sin x cos x 1 dx = 2 [−πk + 2 E(k)] 2 2 2k 1 − k sin x tan x dx = 2 1 − k2 sin 2x x 0 BI (154)(10) BI (154)(22) 1 √ 2 ≈ 1.3110287771 BI (183)(6, 11) ∞ √ tan x dx = K(k) 2 2 1 − k cos 2x x 1 sin x cos x dx √ = 2 [K(k) − E(k)] 2 2 k 1 − k cos x x BI (183)(14, 23) BI (185)(20) ∞ 1 sin x cos2 x dx √ = 2 [K(k) − E(k)] · 2 2 x k 1 − k cos x 0 ∞ sin x cos3 x 1 dx √ = 4 2 + k 2 K(k) − 2 1 + k2 E(k) · 2 2 3k 1 − k cos x x 0 ∞ 4 1 sin x cos x dx √ = 4 2 + k 2 K(k) − 2 1 + k2 E(k) · 2 2 x 3k 1 − k cos x 0 ∞ 1 sin3 x cos x dx √ = 4 1 + k 2 E(k) − 2k 2 K(k) · 3k 1 − k 2 cos2 x x 0 ∞ 3 2 1 sin x cos x dx √ = 4 1 + k 2 E(k) − 2k 2 K(k) · 2 2 3k 1 − k cos x x 0 BI (185)(21) BI (185)(22) BI (185)(23) BI (185)(24) BI (185)(25) 474 Trigonometric Functions 7. 8. 3.845 1.11 2.11 3.11 ∞ sin2 x tan x 1 dx √ = 2 E(k) − k2 K(k) · 2 2 k 1 − k cos x x 0 ∞ 4 1 sin x tan x dx √ = 4 2 + 3k 2 k 2 K(k) − 2 k 2 − k 2 E(k) · 2 2 x 3k 1 − k cos x 0 √ & % √ 1 sin x cos x 2 2 dx √ √ = 2 E − K ≈ 0.5990701174 · 2 x 2 2 2 1 + cos x 0 √ & % √ ∞ sin x cos2 x dx √ 2 2 1 √ = 2 E · − K ≈ 0.5990701174 2 x 2 2 2 1 + cos x 0 √ & % √ ∞ sin2 x tan x dx √ 2 2 √ = 2 K −E ≈ 0.7119586598 · 2 x 2 2 1 + cos x 0 3.846 1. 3.845 BI (184)(16) BI (184)(18) ∞ BI (185)(6) BI (185)(7) BU (184)(8) ∞ 1 sin x cos x dx = 2 E(k) − k2 K(k) BI (185)(9) · 2 2 x k 0 1 − k sin x ∞ 1 sin x cos2 x dx = 2 E(k) − k2 K(k) 2. BI (185)(10) · 2 2 x k 0 1 − k sin x ∞ 1 sin x cos3 x dx = 4 2 − 3k2 k 2 K(k) − 2 k 2 − k 2 E(k) 3. BI (185)(11) · 2 2 x 3k 0 1 − k sin x ∞ 1 sin x cos4 x dx = 4 2 − 3k2 k 2 K(k) − 2 k 2 − k 2 E(k) 4. BI (185)(12) · 2 2 x 3k 0 1 − k sin x ∞ 1 sin3 x cos x dx = 4 1 + k2 E(k) − 2k 2 K(k) 5. BI (185)(13) · 2 2 x 3k 0 1 − k sin x ∞ 1 sin3 x cos2 x dx = 4 1 + k2 E(k) − 2k 2 K(k) 6. BI (185)(14) · 2 3k 0 1 − k2 sin x x ∞ 1 sin2 x tan x dx = 2 [K(k) − E(k)] 7. BI (184)(9) · 2 k 0 1 − k2 sin x x ∞ 1 sin4 x tan x dx = 4 2 + k2 K(k) − 2 1 + k 2 E(k) 8. BI (184)(11) · 2 3k 0 1 − k2 sin x x % √ √ & ∞ ∞ sin x cos x sin x cos2 x dx √ 2 2 dx 11 = = 2 K 3.847 · · −E ≈ 0.7119586598 2 2 x x 2 2 0 0 1 + sin x 1 + sin x BI (185)(3, 4) 3.848 1. 2. ∞ sin3 x cos x 1 dx = 2 [K(k) − E(k)] · 2 2 x 4k 0 1 − k sin 2x ∞ 1 cos2 2x tan x dx = 2 E(k) − k2 K(k) · k 0 1 − k2 sin2 2x x BI (185)(15) BI (184)(12) 3.852 Trigonometric functions with powers 3. 4. 5. 6. 7. 3.849 1.11 2.11 3.11 475 ∞ cos4 2x tan x 1 dx = 4 2 − 3k2 k 2 K(k) − 2 k 2 − k 2 E(k) · 2 3k 0 1 − k2 sin 2x x ∞ 2 4 sin 4x tan x dx = 4 1 + k2 E(k) − 2k 2 K(k) · 2 3k 0 1 − k2 sin 2x x ∞ 3 sin x cos x 1 dx √ = 2 E(k) − k2 K(k) · 2 2 4k 1 − k cos 2x x 0 ∞ 2 1 cos 2x tan x dx √ = 2 [K(k) − E(k)] · 2 2 x k 1 − k cos 2x 0 ∞ 1 cos4 2x tan x dx √ = 4 2 + k2 K(k) − 2 1 + k 2 E(k) · 2 2 3k 1 − k cos 2x x 0 √ & % √ 1 sin3 x cos x 2 2 dx √ = √ K −E ≈ 0.1779896649 · 2 x 2 2 2 2 1 + cos 2x 0 √ √ & √ % ∞ sin3 x cos x 2 2 2 dx = 2E −K ≈ 0.1497675293 · 2 x 8 2 2 0 1 + sin 2x √ & % √ ∞ cos2 2x tan x dx √ 2 2 = 2 K −E ≈ 0.7119586598 · 2 x 2 2 0 1 + sin 2x BI (184)(13) BI (184)(17) BI (185)(26) BI (184)(19) BI (184)(20) ∞ BI (185)(8) BI (185)(5) BI (184)(7) 3.85–3.88 Trigonometric functions of more complicated arguments combined with powers 3.851 ∞ 5. 0 dx bπ sin ax2 cos(bx) 2 = x 2 S b √ 2 a −C b √ 2 a + b2 π + 4a 4 b > 0] , (cf. 3.691 7) √ aπ sin [a > 0, ET I 23(3)a 3.852 ∞ 1. 0 ∞ 2. 0 sin ax2 aπ dx = x2 2 √ dx 1 π √ sin ax2 cos bx2 2 = a+b+ a−b x 2 2 1√ πa = 2 √ 1 π √ a+b− b−a = 2 2 [a ≥ 0] [a > b > 0] [b = a ≥ 0] [b > a > 0] , 3. 0 ∞ √ sin2 a2 x2 2 π 3 a dx = x4 3 BI (177)(10)a [a ≥ 0] (cf. 3.852 1) BI (177)(23) GW (333)(19e) 476 Trigonometric Functions √ sin3 a2 x2 a π dx = 3− 3 2 x 4 2 0 ∞ 2 1 π 2 2 dx sin x − x cos x = x4 3 2 0 ∞ dx 1 1 =− C cos2 x − 2 1+x x 2 0 4. 10 5. 6. 3.853 ∞ ∞ 1. 0 2. 3. 4. 3.854 3.853 Im a2 = 0 MC BI (178)(8) BI (173)(22) √ √ √ , sin ax2 π +√ π π C S dx = 2 sin aβ 2 + aβ − 2 cos aβ 2 + aβ − sin aβ 2 2 2 β +x 2β 4 4 ET II 219(33)a [a > 0, Re β > 0] + 2 √ √ √ √ , cos ax2 π π π 2 2 cos C S aβ − dx = 2 cos aβ + aβ − 2 sin aβ + aβ β 2 + x2 2β 4 4 0 ET II 221(51)a [a > 0, Re β > 0] 2 ∞ 2 x sin ax dx β 2 + x2 0 √ √ √ , π π βπ + 2 √ sin aβ − 2 sin aβ 2 + C S aβ + 2 cos aβ 2 + aβ = 2 4 4 1 π − 2 2a ET II 219(32)a [a > 0, Re β > 0] 2 ∞ 2 √ √ x cos ax βπ 1 π π − cos aβ 2 − 2 cos aβ 2 + C dx = aβ 2 2 β +x 2 2a 2 4 0 √ √ π S aβ − 2 sin aβ 2 + 4 ET II 221(50)a [a > 0, Re β > 0] ∞ ∞ 1. cos ax2 − sin ax2 0 dx πe−ab √ = x4 + b4 2b3 2 2 [a > 0, b > 0] LI (178)(11)a, BI (168)(25) ∞ 2. 0 ∞ 3. x2 dx πe−ab √ cos ax2 + sin ax2 = x4 + b4 2b 2 2 cos ax2 + sin ax2 0 x2 dx (x4 + 2 b4 ) [a > 0, b > 0] = πe−ab √ 4 2b3 = πe−ab √ 4 2b 2 a+ 1 2b2 [a > 0, 4. 0 ∞ cos ax2 − sin ax2 x4 dx (x4 + 2 b4 ) 2 LI (178)(12) b > 0] LI (178)(14) b > 0] BI (178)(15) 1 −a 2b2 [a > 0, 3.856 3.855 1. 2. 3. 4. Trigonometric functions with powers sin ax2 aβ aβ 1 aπ I 14 dx = K 14 2 4 2 2 2 2 β +x 0 2 ∞ cos ax aβ aβ 1 aπ I − 14 dx = K 14 2 4 2 2 2 2 β +x 0 u 2 sin a2 x2 a2 a π3 √ dx = 2 J 14 4 2 u2 u4 − x4 0 ∞ sin a2 x2 a2 u 2 a2 u 2 a π3 √ J 14 dx = − Y 14 4 2 2 2 x4 − u4 u 5. 6. ∞ 2 cos a2 x2 a2 u 2 a π3 √ dx = J − 14 4 2 2 u4 − x4 0 2 2 ∞ cos a x a2 u 2 a π3 √ J − 14 dx = − Y − 14 4 2 2 x4 − u4 u ∞ 1. 0 ∞ 2. 0 [a > 0, Re β > 0] ET I 66(28) [a > 0, Re β > 0] ET I 9(22) [a > 0] ET I 66(29) [a > 0] ET I 66(30) u 3.856 477 ∞ 3. 0 β 4 + x4 + x2 β 4 + x4 β 4 + x4 + x2 β 4 + x4 β 4 + x4 − x2 β 4 + x4 ν 2 2 sin a x a dx = 2 ν a cos a2 x2 dx = 2 ν a cos a2 x2 dx = 2 ET I 9(23) a2 u 2 2 π 2ν β I 14 − ν2 2 ET I 10(24) a2 β 2 2 K 14 + ν2 3 Re ν < , 2 a2 β 2 2 |arg β| < π 4 a2 β 2 a2 β 2 π 2ν β I − 14 − ν2 K − 14 + ν2 2 2 2 π 3 Re ν < , |arg β| < 2 4 ET I 71(23) ET I 12(16) a2 β 2 a2 β 2 π 2ν β I − 14 + ν2 K − 14 − ν2 2 2 2 π 3 Re ν > − , |arg β| < 2 4 ET I 12(17) 2 2 ∞ sin a2 x2 dx sinh a 2β < = √ K0 2β 2 0 β 4 + x4 x2 + β 4 + x4 4. 5. 0 ∞ cos a2 x2 dx 4 4 x2 + β 4 + x4 β +x 2 3 2 a2 β 2 2 sinh a β = √ 2 K1 2 2β 4 + π, |arg β| < 4 ET I 66(32) a2 β 2 2 + π, |arg β| < 4 ET I 10(27) 478 Trigonometric Functions ∞ 6. 0 3.857 1. ∞ 0 ∞ 2. 0 3.858 1. < β 4 + x4 + x2 a2 β 2 π sin a2 x2 dx = √ e− 2 I 0 2 2 β 4 + x4 x2 R1 R2 x2 R1 R2 3.857 a2 β 2 2 + π, |arg β| < 4 1 R2 − R1 sin ax2 dx = √ K 0 (ac) sin ab R2 + 2 b R1 < < 2 2 2 2 R1 = c + (b − x ) , R2 = c2 + (b + x2 ) , 1 R2 + R1 cos ax2 dx = √ K 0 (ac) cos ab R2 − R 2 b 1 < < 2 2 2 2 R1 = c + (b − x ) , R2 = c2 + (b + x2 ) , ET I 67(33) a > 0, c>0 ET I 67(34) a > 0, c>0 ET I 10(26) √ 2 √ ν ν x + x4 − u4 + x2 − x4 − u4 √ sin a2 x2 dx 4 4 u x − u a2 u 2 a2 u 2 a2 u 2 a2 u 2 a π 3 2ν u =− J 14 + ν2 Y 14 − ν2 + J 14 − ν2 Y 14 + ν2 4 a 2 2 2 2 3 Re ν < 2 ET I 71(25) √ ν ν ∞ 2 √ 4 x + x − u4 + x2 − x4 − u4 √ 2. cos a2 x2 dx 4 4 x −u u a2 u 2 a2 u 2 a2 u 2 a2 u 2 a π 3 2ν 1 ν 1 ν 1 ν 1 ν u =− J−4+2 Y −4−2 + J−4−2 Y −4+2 4 a 2 2 2 2 3 Re ν < 2 ET I 13(26) ∞ n dx 1 1 = − nC 3.859 BI (173)(24) cos x2 − n+1 2 x 2 1+x 0 3.861 √ m− 1 ∞ n+1 2 dx 1 2n + 1 πa 2 2n+1 ax sin = ± (−1)k−1 1. (2k − 1)m− 2 1 2m 2n−m+ n + k x 2 (2m − 1)!! 2 0 k=1 the + sign is taken when m ≡ 0 (mod 4) or m ≡ 1 (mod 4), BI (177)(19)a the − sign is taken when m ≡ 2 (mod 4) or m ≡ 3 (mod 4) √ m− 1 ∞ n dx 1 2n πa 2 2. sin2n ax2 2m = ± 2n−2m+1 (−1)k k m− 2 n+k x 2 (2m − 1)!! 0 k=1 the + sign is taken when m ≡ 0 (mod 4) or m ≡ 3 (mod 4), BI (177)(18)a, LI (177)(18) the − sign is taken when m ≡ 2 (mod 4) or m ≡ 1 (mod 4) ∞ 2√ 2 √ sin2 x n cos ax n + sin ax n 3.862 dx x2 0 √ n √ n− 12 n π √ n − 2k + a n = (−1)k k (2n − 1)!! 2 k=0 √ a> n>0 BI (178)(9) ∞ 3.866 3.863 Trigonometric functions with powers ∞ 1. 0 ∞ 2. 0 3.864 1. 2. π x cos ax4 sin 2bx2 dx = − 8 2 π x2 cos ax4 cos 2bx2 dx = − 8 b3 sin a3 b2 π − 2a 8 479 b2 2a J − 14 [a > 0, b3 sin a3 b2 π + 2a 8 √ √ dx π b sin ax = Y 0 2 ab + K 0 2 ab x x 2 0 ∞ √ √ dx π b = − Y 0 2 ab + K 0 2 ab cos cos ax x x 2 0 + cos b2 π − 2a 8 J 34 b > 0] b2 2a J − 34 b2 2a ET I 25(22) + cos b2 π + 2a 8 J − 14 b2 2a [a > 0, b > 0] ET I 25(23) [a > 0, b > 0] WA 204(3)a [a > 0, b > 0] ∞ sin WA 204(4)a, ET I 24 (12) 3.865 u 1. 0 ∞ 2. u u2 − x2 x2μ μ−1 sin (x − u) x2μ μ−1 sin √ π a dx = x 2 a dx = x 2 a μ− 12 a u [a > 0, 3 uμ− 2 Γ(μ) J 12 −μ u > 0, 0 < Re μ < 1] ET II 189(30) π 1 −μ a a 2 Γ(μ) sin J 1 u 2u μ− 2 a 2u [a > 0, u > 0, Re μ > 0] ET II 203(21) u 3. 0 μ−1 √ u2 − x2 π a dx = − cos x2μ x 2 μ− 12 2 a 3 Γ(μ)uμ− 2 Y 1 2 −μ [a > 0, ∞ 4. u (x − u) x2μ μ−1 cos a dx = x a u u > 0, 0 < Re μ < 1] ET II 190(36) π 1 −μ a a 2 Γ(μ) cos J 1 u 2u μ− 2 a 2u [a > 0, u > 0, Re μ > 0] ET II 204(26) 3.866 ∞ 1. xμ−1 sin 0 2. 0 b2 π sin a2 x dx = x 4 b a μ cosec μπ [J μ (2ab) − J −μ (2ab) + I −μ (2ab) − I μ (2ab)] 2 [a > 0, b > 0, |Re μ| < 1] ET I 322(42) ∞ xμ−1 sin b2 π cos a2 x dx = x 4 b a μ sec μπ [J μ (2ab) + J −μ (2ab) + I μ (2ab) − I −μ (2ab)] 2 [a > 0, b > 0, |Re μ| < 1] ET I 322(43) 480 Trigonometric Functions ∞ 3. 0 xμ−1 cos b2 π cos a2 x dx = x 4 b a μ cosec 3.867 μπ [J −μ (2ab) − J μ (2ab) + I −μ (2ab) − I μ (2ab)] 2 [a > 0, b > 0, |Re μ| < 1] ET I 322(44) 3.867 1 1. 0 2. 0 3.868 1 cos ax − cos xa 1 dx = 1 − x2 2 cos ax + cos xa 1 dx = 1 + x2 2 ∞ 1. b2 x sin a2 x + 0 ∞ 3. ∞ 4. ∞ 0 [a > 0] GW (334)(7a) [a > 0] GW (334)(7b) cos ax + cos xa π dx = e−a 1 + x2 2 dx = π J 0 (2ab) x [a > 0, b > 0] ∞ 2 dx = −π Y 0 (2ab) x [a > 0, b > 0] GW (334)(11a) sin a2 x − b2 x dx =0 x [a > 0, b > 0] GW (334)(11b) cos a2 x − b2 x dx = 2 K 0 (2ab) x [a > 0, b > 0] GW (334)(11b) b x dx π = exp −αβ − 2 +x 2 β [a > 0, b > 0, 0 sin ax − 0 b x 0 3.869 1. 0 cos ax − cos xa π dx = sin a 1 − x2 2 cos a2 x + 0 ∞ GW (334)(11a), WA 200(16) ∞ 2. b x β2 Re β > 0] ET II 220(42) ∞ 2. 0 cos ax − b x dx b π exp −aβ − = β 2 + x2 2β β [a > 0, b > 0, Re β > 0] ET II 222(58) 3.871 ∞ 1. 0 2. 0 ∞ + b2 μπ μπ , − Y μ (2ab) sin xμ−1 sin a x + dx = πbμ J μ (2ab) cos x 2 2 [a > 0, b > 0, Re μ < 1] + b2 μπ μπ , μ−1 + Y μ (2ab) cos x cos a x + dx = −πbμ J μ (2ab) sin x 2 2 [a > 0, b > 0, |Re μ| < 1] ∞ b2 μπ xμ−1 sin a x − dx = 2bμ K μ (2ab) sin x 2 0 ET I 321(35) 3. ET I 319(17) [a > 0, b > 0, |Re μ| < 1] ET I 319(16) 3.874 Trigonometric functions with powers ∞ 4. μ−1 x 0 481 b2 μπ cos a x − dx = 2bμ K μ (2ab) cos x 2 [a > 0, b > 0, |Re μ| < 1] ET I 321(36) 3.872 1. 2. 3.873 1. 2. 3.874 dx 1 1 sin a x + sin a x − x x 1 − x2 0 dx 1 ∞ 1 π 1 = sin a x + = − sin 2a sin a x − 2 0 x x 1 − x2 4 [a ≥ 0] BI (149)(15), GW (334)(8a) 1 dx 1 1 cos a x + cos a x − 2 x x 1 + 0 ∞x dx 1 1 π 1 = cos a x + = e−2a cos a x − 2 0 x x 1 + x2 4 [a ≥ 0] GW (334)(8b) 1 √ π a2 2 2 dx √ sin(2ab) + cos(2ab) + e−2ab cos b x = 2 2 x x 4 2a 0 [a > 0, √ ∞ 2 dx π a cos(2ab) − sin(2ab) + e−2ab cos 2 cos b2 x2 2 = √ x x 4 2a 0 [a > 0, ∞ sin ∞ 1. sin a2 x2 + 0 ∞ 2. cos a2 x2 + 0 ∞ 3. ∞ ∞ 0 ∞ 2 cos a2 x2 − b2 x2 b x 2 sin ax − b x 2 cos ax − 0 6. b x2 b x2 0 5. 2 sin a2 x2 − 0 4. b2 x2 √ dx π π sin 2ab + = 2 x 2b 4 [a > 0, √ dx π = − √ e−2ab x2 2 2b √ dx π = √ e−2ab x2 2 2b √ dx 2π = x2 4b √ dx 2π = x2 4b ET I 24(15) b > 0] ET I 24(16) b > 0] BI (179)(6)a, GW(334)(10a) √ dx π π cos 2ab + = 2 x 2b 4 b > 0] [a > 0, b > 0] GI (179)(8)a, GW(334)(10a) [a ≥ 0, b > 0] GW (335)(10b) [a ≥ 0, b > 0] GW (334)(10b) [a > 0, b > 0] BI (179)(13)a [a > 0, b > 0] BI (179)(14)a 482 3.875 Trigonometric Functions ∞ 1. u ∞ 2. u ∞ 3.6 3.876 1. 0 2. √ x sin p x2 − u2 π cos bx dx = exp −p a2 + u2 cosh ab 2 2 x +a 2 [0 < b < p] √ x sin p x2 − u2 π cos bx dx = e−ap cos b u2 − a2 2 2 2 a +x −u 2 √ sin p a2 + x2 (a2 + x2 ) 0 ∞ 3.875 3/2 cos bx dx = πp −ab e 2a √ sin p x2 + a2 π √ cos bx dx = J 0 a p2 − b2 2 2 2 x +a =0 √ ∞ cos p x2 + a2 π √ cos bx dx = − Y 0 a p2 − b2 2 2 2 x +a 0 = K 0 a b2 − p2 √ ∞ cos p x2 + a2 π −bc e cos bx dx = cos p a2 − c 2 x2 + c2 2c 0 ET I 27(39) [0 < b < p, a > 0] ET I 27(38) [0 < p < b, a > 0] ET I 26(29) [0 < b < p] [b > p > 0] [a > 0] ET I 26(30) [0 < b < p] [b > p > 0] [a > 0] ET I 26(34) 3. [c > 0, b > p] √ √ ∞ sin p x2 + a2 π e−bc sin p a2 − c2 √ √ cos bx dx = [c = a] 2 2 2 2 2c a2 − c 2 0 (x + c ) x + a p π [c = a] = e−ba 2 a [b > p, c > 0] √ ∞ cos p x2 + a2 π −ab e cos bx dx = [b > p > 0; a > 0] 2 + a2 x 2a 0 √ ∞ x cos p x2 + a2 π sin bx dx = e−ab [a > 0, b > p > 0] 2 2 x +a 2 0 √ u cos p u2 − x2 π √ cos bx dx = J 0 u b2 + p2 2 2 2 u −x 0 √ ∞ 2 2 cos p x − u √ [0 < b < |p|] cos bx dx = K 0 u p2 − b2 2 2 x −u u π = − Y 0 u b2 − p2 [b > |p|] 2 ET I 26(33) 4. 5.6 6.6 7. 8. ET I 26(31)a ET I 27(35)a ET I 85(29)a ET I 28(42) ET I 28(43) 3.881 3.877 Trigonometric functions with powers u 1. 0 483 √ , , +u +u sin p u2 − x2 π3 p < J 14 cos bx dx = b2 + p2 − b J 14 b2 + p2 + b 8 2 2 3 4 (u2 − x2 ) [b > 0, p > 0] ET I 27(40) √ ∞ +u , +u , sin p x2 − u2 π3 p < J 14 cos bx dx = − b − b2 − p2 Z 14 b + b2 − p2 8 2 2 3 4 u (x2 − u2 ) 2. [b > p > 0] ET I 27(41) √ u , , +u +u cos p u2 − x2 π3 p < J − 14 cos bx dx = p2 + b2 − b J − 14 p2 + b2 + b 8 2 2 3 4 0 (u2 − x2 ) 3. 4. [u > 0, p > 0] ET I 28(44) √ ∞ +u , +u , cos p x2 − u2 π3 p < J − 14 b − b2 − p2 Y 14 b + b2 − p2 cos bx dx = − 8 2 2 3 4 u (x2 − u2 ) [b > p > 0] 3.878 ∞ 1. 0 2. 3. √ sin p x4 + a4 π 1 2 √ cos bx dx = 4 4 2 2 x +a √ ∞ cos p x4 + a4 √ cos bx2 dx x4 + a4 0 π 1 =− 2 2 ∞ 3.879 0 sin axp x sin (a tan x) dx = 0 3. [p > b > 0] 3 π dx = x 2p π/2 1. 2. b J − 14 a2 p − p2 − b2 2 J 14 a2 p + p2 − b2 2 ET I 26(32) 2 a2 a 2 2 2 2 b J − 14 Y 14 p− p −b p+ p −b 2 2 [a > 0, p > b > 0] ET I 27(36) √ u cos p u4 − x4 u2 2 u2 2 π 3 1 2 2 2 √ cos bx dx = b J − 14 p + b − p J − 14 p +b +p 2 2 2 2 u4 − x4 0 3.881 3 ET I 28(45) [p > 0, b > 0] ET I 28(46) [a > 0, p > 0] GW (334)(6) π −a C + ln 2a − e2a Ei(−2a) e 4 [a > 0] BI (205)(9) [a > 0] BI (151)(6) [a > 0] BI (151)(19) ∞ π dx = 1 − e−a x 2 0 ∞ π dx = 1 − e−a sin (a tan x) cos x x 2 0 sin (a tan x) 484 Trigonometric Functions ∞ 4. cos (a tan x) sin x 0 π dx = e−a x 2 ∞ 5. ∞ [a > 0] BI (152)(11) cos (a tan x) sin3 x 1 − a −a dx = πe x 4 [a > 0] BI (151)(23) [a > 0] BI (152)(13) ∞ sin (a tan x) tan 0 π/2 8. π x dx = − Ei(−a) sin 2x 4 [a > 0] BI (206)(15) sin (a cot x) x dx 1 − e−a π = 2a sin2 x [a > 0] LI (206)(14) π/2 9. 0 π/2 10. 0 1 + a −a x dx cos2 x = πe 2 x 4 cos (a tan x) 0 π x cos (a tan x) tan x dx = − e−a C + ln 2a + e2a Ei(−2a) 4 ∞ 11. cos (a tan x) tan x 0 ∞ 12. π dx = e−a x 2 cos (a tan x) sin2 x tan x 0 ∞ 13. ∞ 17. [a > 0] BI (151)(22) [a > 0] BI (152)(13) [a > 0] BI (152)(10) [a > 0] BI (180)(6) sin (a tan 2x) cos2 2x tan x 1 + a −a dx = πe x 4 ∞ ∞ 0 x dx π exp (−a tanh b) − e−a sin a tan2 x 2 = b + x2 2 [a > 0, ∞ 2. cos a tan2 x cos x 0 3. 0 BI (152)(15) π dx = e−a x 2 π dx = e−a x 2 0 ∞ π dx = 1 − e−a sin (a tan 2x) tan x cot 2x x 2 0 [a > 0] cos (a tan 2x) tan x sin (a tan 2x) tan x tan 2x 3.882 1. BI (151)(21) BI (152)(9) 0 16. [a > 0] [a > 0] 0 15. BI (205)(10) π dx = e−a x 2 ∞ 14. 1 − a −a dx = πe x 16 [a > 0] sin (a tan x) tan2 x 0 BI (151)(20) 1 + a −a dx = πe x 2 0 7. [a > 0] sin (a tan x) sin 2x 0 6. 3.882 b2 BI (160)(22) dx π cosh b exp (−a tanh b) − e−a sinh b = 2 +x 2b [a > 0, ∞ b > 0] b > 0] BI (163)(3) b > 0] BI (191)(10) x dx π exp (−a tanh b) cos a tan2 x cosec 2x 2 = b + x2 2 sinh 2b [a > 0, 3.892 Trigonometric functions and exponentials 4. 5.11 6. ∞ −a x dx π e cosh b − exp (−a tanh b) sinh b cos a tan2 x tan x 2 = 2 b + x 2 cosh b 0 [a > 0, b > 0] ∞ x dx π coth b exp (−a tanh b) − e−a cos a tan2 x cot x 2 = 2 b +x 2 0 [a > 0, b > 0] ∞ x dx π coth 2b exp (−a tanh b) − e−a cos a tan2 x cot 2x 2 = 2 b +x 2 0 [a > 0, b > 0] 3.883 1. 1 cos (a ln x) 0 xμ−1 sin (β ln x) dx = − 0 3.88411 BI (163)(4) BI (163)(5) BI (191)(11) dx aπ = (1 + x)2 2 sinh aπ 1 2. 3. 485 BI (404)(4) β β 2 + μ2 [Re μ > |Im β|] ET I 319(19) 1 μ [Re μ > |Im β|] + μ2 0 ∞ + , sin a |x| sign x dx = π exp −a |−b| + exp −a |b| x−b −∞ [a > 0, Im b = 0] xμ−1 cos (β ln x) dx = ET I 321(38) β2 ET II 253(46) 3.89–3.91 Trigonometric functions and exponentials 3.891 1. 2π eimx sin nx dx = 0 [m = n; or m = n = 0] 0 = πi [m = n = 0] 2π eimx cos nx dx = 0 2. [m = n] 0 =π [m = n = 0] = 2π [m = n = 0] 3.892 π 1.11 eiβx sinν−1 x dx = 0 π 2ν−1 ν B π 2 2. −π 2 eiβx cosν−1 x dx = 2ν−1 ν B πeiβ 2 ν+β+1 ν−β+1 , 2 2 [Re ν > −1] NH 158, EH I 12(29) [Re ν > −1] GW (335)(19) π ν+β+1 ν−β+1 , 2 2 486 Trigonometric Functions π/2 ei2βx sin2μ x cos2ν x dx = 3.6 0 3.893 exp iπ β − ν − 12 B (β − μ − ν, 2ν + 1) × F (−2μ, β − μ − ν; 1 + β − μ + ν; −1) + exp iπ μ + 12 1 22μ+2ν+1 × B(β − μ − ν, 2μ + 1) F (−2ν, β − μ − ν; 1 + β + μ − ν; −1) Re μ > − 12 , Re ν > − 12 EH I 80(6) π exp [iπ(β − ν)] F (−2ν, β − μ − ν; 1 + β + μ − ν; −1) 4μ+ν (2μ + 1) B(1 − β + μ + ν, 1 + β + μ − ν) π ei2βx sin2μ x cos2ν x dx = 4. 0 EH I 80(8) π/2 π ei(μ+ν)x sinμ−1 x cosν−1 x dx = eiμ 2 B(μ, ν) 5. 0 = 3.893 ∞ 1.8 e−px sin(qx + λ) dx = 0 ∞ 2.8 e−px cos(qx + λ) dx = 0 ∞ 3. 2μ+ν−1 e iμ π 2 1 1 F (1 − ν, 1; μ + 1; −1) + F (1 − μ, 1; ν + 1; −1) μ ν [Re μ > 0, Re ν > 0] EH I 80(7) 1 (q cos λ + p sin λ) + q2 [Re p > 0] BI (261)(3) 1 (p cos λ − q sin λ) p2 + q 2 [Re p > 0] BI (261)(4) p2 e−x cos t cos (t − x sin t) dx = 1 0 ∞ −βx e 4.8 1 0 sin ax dx = Re sin bx 1 ψ 2bi BI (261)(7) β a+b −i 2b 2b −ψ β b−a −i 2b 2b [Re β > 0, ∞ −2px e 5.8 0 6. 1 sin[(2n + 1)x] dx = + sin x 2p e 0 k=1 p p2 + k 2 sin 2nx 1 dx = 2p sin x p2 + (2k + 1)2 ∞ −px 8 n ∞ [Re p > 0] BI (267)(15) [Re p > 0] GW (335)(15c) (−1)k (2k + 1) 2n + 1 n + (−1) 2 p2 + (2n + 1)2 p2 + (2k + 1)2 n−1 k=0 [p > 0] ,ν + 2π Γ(ν + 1) P m ν (β) β + β 2 − 1 cos x einx dx = Γ(ν + m + 1) −π [Re β > 0] 1. 0 GW (335)(15) n−1 e−px cos[(2n + 1)x] tan x dx = 0 3.895 b = 0] k=0 7. 3.894 LI (267)(16) π ∞ e−βx sin2m x dx = ET I 157(15) (2m)! β(β 2 + 22 ) (β 2 + 42 ) · · · [β 2 + (2m)2 ] [Re β > 0] FI II 615, WA 620a 3.895 Trigonometric functions and exponentials 2. π 10 e−px sin2m x dx = 0 3. π/2 10 = (2m)! 2 + 22 ) (p2 + 42 ) · · · [p2 + (2m)2 ] p (p % 2 2 2 & 2 2 2 2 2 2 p p p p · · · p + 2 + 2 + (2m − 2) pπ p × 1 − e− 2 1 + + + ··· + 2! 4! (2m)! BI (270)(4) ∞ 4. e−βx sin2m+1 x dx = 0 5.10 6. (β 2 + 12 ) (β 2 (2m + 1)! + 32 ) · · · [β 2 + (2m + 1)2 ] [Re β > 0] π e−px sin2m+1 x dx = 0 GW (335)(4a) e−px sin2m x dx 0 (2m)! (1 − e−pπ ) p (p2 + 22 ) (p2 + 42 ) · · · [p2 + (2m)2 ] 487 π/2 8 FI II 615, WA 620a −pπ (p2 + ) (2m + 1)! (1 + e 2 2 + 3 ) · · · [p + (2m + 1)2 ] 12 ) (p2 GW (335)(4b) e−px sin2m+1 x dx 0 = (2m + 1)! +%32 ) · · · [p2 + (2m + 1)2 ] + 2 & p + 12 p2 + 32 · · · p2 + (2m − 1)2 −pπ p2 + 12 2 × 1 − pe + ··· + 1+ 3! (2m + 1)! (p2 12 ) (p2 BI (270)(5) ∞ 7. e−px cos2m x dx = 0 (2m)! p (p2 + × 1+ 22 ) · · · [p2 2 p p2 + 2! + (2m)2 ] p2 p2 + 22 · · · p2 + (2m − 2)2 p2 + 22 + ··· + 4! (2m)! [p > 0] π/2 8.10 e−px cos2m x dx 0 = (2m)! p (p2 + 22 ) · · · [p2 × −e−p 2 π 9.7 BI (262)(3) + (2m)2 ] p2 p2 + 22 p2 p2 + 22 · · · p2 + (2m − 2)2 p2 + + ··· + +1+ 2! 4! (2m)! BI (270)(6) ∞ e−px cos2m+1 x dx 0 = (2m + 1)!p 2 + 12 ) (p2 + 32 ) · · · [p2 + (2m + 1)2 ] (p 2 2 p + 12 p2 + 32 p + 12 p2 + 32 · · · p2 + (2m − 1)2 p2 + 12 + + ··· + × 1+ 3! 5! (2m + 1)! [p > 0] BI (262)(4) 488 Trigonometric Functions π/2 10.11 3.896 e−px cos2m+1 x dx 0 = ∞ 11.8 e−βx sinn ax 0 e−ax cos2 mx dx = 0 15. 16. 3.896 1. 2. 3. 4. −n−2 dx = 1 2 e 4 (1∓1+2n)πi a(n + 1) ⎧ −1 ⎫ ⎨ b+na+iβ −1 ⎬ b+na−iβ 2a 2a × ± (−1)n ⎩ ⎭ n+1 n+1 b > 0, a2 + 2m2 a (a2 + 4m2 ) ∞ ∞ −ax 2 x2 DW61 (861.15) DW61 (861.14) DW61 (861.10) DW61 (861.13) √ p2 π − 4q e 2 sin pλ q −∞ √ ∞ p2 2 2 π − 4q e 2 cos pλ e−q x cos[p(x + λ)] dx = q −∞ ∞ 2 1 3 b2 b2 b e−ax sin bx dx = exp − ; ; 1F 1 2a 4a 2 2 4a 0 2 b 3 b = 1 F 1 1; ; − 2a 2 4a ∞ k−1 1 b b2 = − 2a (2k − 1)!! 2a k=1 ∞ 2 b2 1 π exp − e−βx cos bx dx = 2 β 4β 0 e−q Re β > 0] DW61 (861.06) a a2 + m2 + n2 e cos mx cos nx dx = 2 (a + (m − n)2 ) (a2 + (m + n)2 ) 0 ∞ m a2 + m2 − n2 −ax e sin mx cos nx dx = 2 (a + (m − n)2 ) (a2 + (m + n)2 ) 0 ∞ 2m [a > 0] e−ax sin2 mx dx = a (a2 + 4m2 ) 0 ∞ 2amn e−ax sin mx sin nx dx = 2 2 ] [a2 + (m + n)2 ] [a + (m − n) 0 14. sin bx cos bx BI (270)(7) [a > 0, ∞ 12. 13. (2m + 1)! 2 + 12 ) (p2 + 32 ) · · · [p2 + (2m + 1)2 ] (p % 2 & p + 1 p2 + 32 · · · p2 + (2m − 1)2 p2 + 12 −p π × e 2 +p 1+ + ··· + 3! (2m + 1)! sin[p(x + λ)] dx = BI (269)(2) BI (269)(3) ET I 73(18) [a > 0] [Re β > 0] FI II 720 BI (263)(2) 3.911 3.897 1.8 2. Trigonometric functions and exponentials γ − ib π (γ − ib)2 √ exp 1−Φ β 2 β 0 4β (γ + ib)2 γ + ib √ − exp 1−Φ 4β 2 β [Re β > 0] ∞ 2 2 (γ − ib) γ − ib 1 π √ exp e−βx −γx cos bx dx = 1−Φ 4 β 4β 2 β 0 γ + ib (γ + ib)2 √ + exp 1−Φ 4β 2 β [Re β > 0] 3.898 1. ∞ e−βx 2 ∞ e −βx2 0 ∞ 2. −γx sin bx dx = − i 4 ∞ 3.8 e−βx cos ax cos bx dx = 2 e−px sin2 ax dx = 2 0 1. 7 2. 1 sin ax sin bx dx = 4 0 3.899 489 1 4 1 4 π β π β e − (a−b) 4β e− 2 −e (a−b)2 4β a2 π 1 − e− p p − (a+b) 4β + e− 2 (a+b) 4β ET I 74(27) ET I 15(16) [Re β > 0] 2 BI (263)(4) [Re β > 0] BI (263)(5) [Re p > 0] BI (263)(6) & √ % n sin[(2n + 1)x] π 1 −( kp )2 dx = + e [p > 0] sin x p 2 0 k=1 & √ % ∞ −p2 x2 2n 2 e cos[(4n + 1)x] π 1 k −( k ) dx = + (−1) e p cos x p 2 0 ∞ p2 x2 e BI (267)(17) k=0 ∞ 3. 0 < π [p > 0] ∞ e−px dx p k2 1 k + = a exp − 2 1 − 2a cos x + a 1 − a2 2 4p k=1 < π ∞ p 1 −k k2 + = 2 a exp − a −1 2 4p 2 BI (267)(18) a2 < 1, p>0 a2 > 1, p>0 EI (266)(1) LI (266)(1) k=1 3.911 1. ∞ 0 ∞ 2. 0 3.11 0 ∞ 1 π sin ax dx = − eβx + 1 2a 2β sinh aπ β sin ax π dx = coth eβx − 1 2β πa β − sin ax x/2 1 e dx = π tanh(aπ) x e −1 2 1 2a [a > 0, Re β > 0] BI (264)(1) [a > 0, Re β > 0] BI (264)(2), WH [a > 0] ET I 73(13) 490 Trigonometric Functions ∞ 4. 0 sin ax 1 dx = γx −e 2i(β − γ) eβx 0 ∞ 0 ET 73(15) a > 0] ET I 15(10) e 2.11 [Re β > −1] 1 β − ia β + ia cos ax dx = B ν, + B ν, 2γ γ γ [Re β > 0, Re γ > 0, Re ν > 0, −βx 1−e −γx ν−1 iβx ν 2 ix cos x β e 2 −ix μ +ν e dx = −π 2 π 2 F 1 −μ, β2 − 2ν (ν + 1) B 1 + ν 2 − μ2 ; 1 + β 2 + ν 2 2 − μ2 ; βν 2 ν μ β ν μ β + − ,1 − + + 2 2 2 2 2 2 [Re ν > −1, π 2 GW (335)(8) ET I 73(17) π 2 1. Re γ > 0] a > 0] e −ψ BI (264)(8) ν−1 i β − ia β + ia e−βx 1 − e−γx sin ax dx = − B ν, − B ν, 2γ γ γ [Re β > 0, Re γ > 0, Re ν > 0, 0 β + ia β−γ [a > 0] β − ia β−γ i sin ax dx = [ψ(β + ia) − ψ(β − ia)] eβx (e−x − 1) 2 ∞ 2. 3.913 ψ [Re β > 0, ∞ 6. n−1 ∞ 0 3.912 1. sin ax −nx a 1 π π − + − e dx = 1 − e−x 2 2a e2πa − 1 a2 + k 2 k=1 5. 3.912 |ν| > |β|] EH I 81(11)a ν e−iux cosμ x a2 eix + b2 e−ix dx −π 2 = ;1 + πb2ν 2 F 1 −ν, − u+μ+ν 2 πa2ν 2 F 1 −ν, u−μ−ν ;1 + 2 2μ (μ + 1) B 1 + ∞ e−β √ γ 2 +x2 cos bx dx = 0 2. 0 βγ β 2 + b2 K1 γ μ−ν+u b2 ; a2 2 μ+ν−u u+μ−ν ,1 + 2 2 [Re μ > −1] γ 2 + x2 e−β √ γ 2 +x2 2 2 cos bx dx = for a2 < b2 for b2 < a2 ET I 122(31)a β 2 + b2 [Re β > 0, ∞ u+μ+ν u+ν−μ ,1 + 2μ (μ + 1) B 1 − 2 2 = 3.914 1. μ−ν−u a2 ; b2 2 β γ K 0 (γA) + A2 2 Re γ > 0] 2β γ γ − K 1 (γA) A3 A , + A = β 2 + b2 ET I 16(26) 3.915 Trigonometric functions and exponentials ∞ 3. √ 2 2 2 γ + x2 e−β γ +x cos bx dx 0 = ∞ 1 5. β 0 ∞ 0 ∞ 7. (γ 2 + 3/2 x2 ) + 1 2 γ + x2 xe−β √ γ 2 +x2 sin bx dx = ∞ 8. e−β 10. 3.915 Re γ > 0, √ γ 2 +x2 cos bx dx = 1 2 β + b2 K 1 γ β 2 + b2 βγ ET I 175(35) − bγ 2 4bβ 2 γ 2 + A2 A4 √ 2 2 2 γ + x2 e−β γ +x x sin bx dx = 2bγ 8bβ 2 γ bβ 2 γ 3 + K 0 (γA) + − 3 + 5 A A A3 , + A = β 2 + b2 12bβγ 2 24bβ 3 γ 2 bβ 3 γ 4 + + K 0 (γA) 4 6 A A A4 24bβγ 48bβ 3 γ 3bβγ 3 8bβ 3 γ 3 + − + − + 7 A5 A A3 , A5 + 2 A = β + b2 K 1 (γA) ∞ π ea cos x sin x dx = 1. 0 K 1 (γA) − √ 2 2 xe−β γ +x γb sin bx dx = K 1 γ β 2 + b2 γ 2 + x2 β 2 + b2 0 ∞ √ 2 2 1 b 1 + 2 e−β γ +x x sin bx dx = K 0 γ β 2 + b2 2 3/2 γ +x β 0 β (γ 2 + x2 ) b > 0] bβγ 2 K 2 γ β 2 + b2 2 2 β +b 0 9. [Re β > 0, √ 2 2 x γ 2 + x2 e−β γ +x sin bx dx = K 1 (γA) ET I 16(27) 0 6βγ 8β 3 γ β3γ3 + K 0 (γA) + − 3 + 5 A A3 ,A + A = β 2 + b2 (6.726(4)) 6. 3βγ 2 4β 3 γ 2 + A2 A4 √ 2 2 γ +x e cos bx dx = K 0 γ β 2 + b2 2 2 γ +x 0 − ∞ −β 4. 491 2 sinh a a ET I 75(36) (6.726(3)) GW (337)(15c) π eiβ cos x cos nx dx = in π J n (β) 2. EH II 81(2) 0 3.3 π 2 √ π 2 β ν eiβ sin x cos2ν x dx = e±β cos x sin2ν x dx = √ π 2 β ν −π 2 4. 0 π Γ ν+ 1 2 J ν (β) Γ ν+ 1 2 I ν (β) Re ν > − 12 Re ν > − 12 EH II 81(6) GW (337)(15b) 492 Trigonometric Functions π eiβ cos x sin2ν x dx = 5. √ π 0 3.916 π/2 1. e−p 2 x√ tan x sin 2 cos x sin 2x 0 π/2 2. 0 2 β ν Γ ν+ 1 2 J ν (β) 3.916 Re ν > − 12 WA 34(2), WA 60(6) 2 2 1 1 dx = C (p) − + S (p) − 2 2 exp (−p tan x) dx 1 = − eap Ei(−ap) sin 2x + a cos 2x + a 2 [p > 0] , NT 33(18)a (cf. 3552 4 and 6) BI (273)(11) π/2 3. 0 1 exp (−p cot x) dx = − e−ap Ei(ap) sin 2x + a cos 2x − a 2 [p > 0] , (cf. 3.552 4 and 6) BI (273)(12) π/2 4. (1 − 0 1 exp (−p tan x) sin 2x dx = − e−ap Ei(ap) + eap Ei(−ap) 2 2 2 − 2a cos 2x − (1 + a ) cos 2x 4 a2 ) [p > 0] π/2 5. (1 − 0 BI (273)(13) 1 exp (−p cot x) sin 2x dx = − e−ap Ei(ap) + eap Ei(−ap) 2 2 2 + 2a cos 2x − (1 + a ) cos 2x 4 a2 ) [p > 0] 3.917 π/2 1. 0 π/2 2. 0 3.918 π/2 1. 0 π/2 2. 0 1 e−2β cot x cosν−1/2 x sin−(ν+1) x sin β − ν − 2 1 e−2β cot x cosν−1/2 x sin−(ν+1)x cos β − ν − 2 √ π 1 Γ ν+ x dx = J ν (β) ν 2(2β) 2 WA 186(7) Re ν > − 12 √ π 1 Γ ν+ x dx = Y ν (β) 2(2β)ν 2 Re ν > − 12 WA 186(8) cosμ x i γ(β−μx)−2β cot x π iγ (ε) (2β)−μ Γ(μ + 1) H μ+ 1 (β) dx = e 2μ+2 2 2 2β sin x ε = 1, 2, γ = (−1)ε+1 , Re β > 0, Re μ > −1 cosμ x sin(β − μx) −2β cot x 1 dx = e 2 sin2μ+2 x 3. 0 π/2 cosμ x cos(β − μx) −2β cot x 1 e dx = − 2μ+2 2 sin x GW (337)(16) π (2β)−μ Γ(μ + 1) J μ+ 12 (β) 2β [Re β > 0, BI (273)(14) Re μ > −1] WH π (2β)−μ Γ(μ + 1) Y μ+ 12 (β) 2β [Re β > 0, Re μ > −1] GW (337)(17b) 3.922 3.919 Trigonometric functions and exponentials π/2 1. 0 π/2 2. 0 493 sin 2nx 2n − 1 dx = (−1)n−1 · 2n+2 4(2n + 1) sin x exp (2π cot x) − 1 BI (275)(6), LI (275)(6) dx sin 2nx n n−1 2n+2 exp (π cot x) − 1 = (−1) 2n + 1 sin x BI (275)(7), LI (275)(7) 3.92 Trigonometric functions of more complicated arguments combined with exponentials 3.9216 ∞ 1. e −γx cos ax (cos γx − sin γx) dx = 2 0 [a > 0, 1 π exp − tan2n x = − 1 n 2 0 n=1 % & % ∞ & π/2 π/2 ∞ 1 1 π 2n 2n sin x = cos x = exp − exp − n n 4 0 0 n=1 n=1 2.10 3.10 3.922 1. 2. γ2 π exp − 8a 2a Reγ ≥ |Im γ|] . π β 2 + a2 − β e−βx e−βx sin ax2 dx = 8 β 2 + a2 0 −∞ √ 1 a π arctan = sin 4 2 2 2 β 2 β +a [Re β > 0, a > 0] . ∞ 2 π β 2 + a2 + β 1 ∞ −βx2 e−βx cos ax2 dx = e cos ax2 dx = 2 −∞ 8 β 2 + a2 0 √ 1 a π arctan = cos 4 2 2 2 β 2 β +a [Re β > 0, a > 0] ET I 26(28) ∞ π/4 - ∞ 2 1 sin ax2 dx = 2 ∞ 2 FI II 750, BI (263)(8) FI II 750, BI (263)(9) [In formulas 3.922 3 and 4, a > 0, b > 0, Re β > 0, and 1 2 1 2 b2 , B= A= β + a2 + β , C= β + a2 − β . 2 2 4 (a + β ) 2 2 If a is complex, then Re β > |Im a|.] ∞ 2 π 1 e−βx sin ax2 cos bx dx = − e−Aβ (B sin Aa − C cos Aa) 3. 2 + a2 2 β 0 √ 1 a ab2 π βb2 arctan − exp − = sin 4 (β 2 + a2 ) 2 β 4 (β 2 + a2 ) 2 4 β 2 + a2 LI (263)(10), GW (337)(5) 494 Trigonometric Functions ∞ 4. e −βx2 0 3.923 π e−Aβ (B cos Aa + C sin Aa) β 2 + a2 √ 1 a ab2 π βb2 arctan − exp − = cos 4 (β 2 + a2 ) 2 β 4 (β 2 + a2 ) 2 4 β 2 + a2 1 cos ax cos bx dx = 2 2 LI (263)(11), GW (337)(5) 3.923 1. exp − ax2 + 2bx + c sin px2 + 2qx + r dx −∞ √ a b2 − ac − aq 2 − 2bpq + cp2 π = 4 exp a2 + p2 a2 + p2 2 p p q − pr − b2 p − 2abq + a2 r 1 arctan − × sin 2 a a2 + p2 2. ∞ [a > 0] GW (337)(3), BI (296)(6) ∞ exp − ax2 + 2bx + c cos px2 + 2qx + r dx −∞ √ a b2 − ac − aq 2 − 2bpq + cp2 π = exp 4 2 a2 + p2 a2 + p 2 p p q − pr − b2 p − 2abq + a2 r 1 arctan − × cos 2 a a2 + p2 [a > 0] 3.924 . ∞ e 1. −βx4 0 ∞ 2. π sin bx dx = 4 2 . e−βx cos bx2 dx = 4 0 3.925 ∞ 2 e 1. p −x 2 0 2. ∞ e 0 b2 b exp − 2β 8β p2 −x 2 π 4 1 sin 2a x dx = 2 b2 b exp − 2β 8β ∞ 2 2 cos 2a2 x2 dx = 1 2 2 e p −x 2 −∞ ∞ e −∞ p2 −x 2 I 14 I − 14 GW (337)(3), BI (269)(7) b2 8β [Re β > 0, b > 0] ET 73(22) [Re β > 0, b > 0] ET I 15(12) b2 8β √ π −2ap e sin 2a x dx = (cos 2ap + sin 2ap) 4a 2 2 [a > 0, b > 0] √ π −2ap e cos 2a2 x2 dx = (cos 2ap − sin 2ap) 4a [a > 0, b > 0] BI (268)(12) BI (268)(13) 3.932 Trigonometric and exponential functions 3.926 1. Notation: 495 . a2 + β 2 + β a2 + β 2 − β , v= u= 2 2 ∞ √ γ 2 π 1 √ √ e−(βx + x2 ) sin ax2 dx = e−2u γ [v cos (2v γ) + u sin (2v γ)] 2 2 2 a +β 0 ∞ 2. e−(βx 2 . + xγ2 ) cos ax2 dx = 0 1 2 [Re β > 0, a2 ∞ 3.927 p e− x sin2 0 3.928 ∞ 1. 0 ∞ 2. 2a p p2 a dx = a arctan + ln 2 x p 4 p + 4a2 q2 b2 exp − p2 x2 + 2 sin a2 x2 + 2 x x exp − p2 x2 + 0 2 q x2 BI (268)(14) √ π √ √ e−2u γ [u cos (2v γ) − v sin (2v γ)] 2 +β [Re β > 0, Re γ > 0] dx = [a > 0, Re γ > 0] BI (268)(15) p > 0] LI (268)(4) √ π −2rs cos(A+B) e sin {A + 2rs sin(A + B)} 2r BI (268)(22) cos a2 x2 + 2 b x2 √ π −2rs cos(A+B) e cos {A + 2rs sin(A + B)} dx = 2r BI (268)(23) ∞ 3.929 + , √ 2 e−x cos p x + pe−x sin px dx = 1 0 Notation: For the formulas in 3.928: a2 + p2 > 0, r = B= LI (268)(3) a2 1 4 a4 + p4 , s = 4 b4 + q 4 , A = arctan 2 , and 2 p 1 b2 arctan 2 . 2 q 3.93 Trigonometric and exponential functions of trigonometric functions 3.931 π/2 1. 0 π 2. e−p cos x sin (p sin x) dx = Ei(−p) − ci(p) e−p cos x sin (p sin x) dx = − −π 0 π/2 3. π/2 4. 0 3.932 e−p cos x cos (p sin x) dx = 1 2 π ep cos x sin (p sin x) sin mx dx = 1. 0 e−p cos x sin (p sin x) dx = −2 shi(p) GW (337)(11b) e−p cos x cos (p sin x) dx = − si(p) 0 0 NT 13(27) 2π NT 13(26) e−p cos x cos (p sin x) dx = π GW (337)(11a) 0 1 2 2π ep cos x sin (p sin x) sin mx dx = 0 π pm · 2 m! BI (277)(7), GW (337)(13a) 496 Trigonometric Functions π ep cos x cos (p sin x) cos mx dx = 2. 0 1 2 3.933 2π ep cos x cos (p sin x) cos mx dx = 0 π pm · 2 m! BI (277)(8), GW (337)(13b) π ep cos x sin (p sin x) cosec x dx = π sinh p 3.933 BI (278)(1) 0 3.934 π 1. ep cos x sin (p sin x) tan x dx = π (1 − ep ) 2 BI (271)(8) ep cos x sin (p sin x) cot x dx = π (ep − 1) 2 BI (272)(5) 0 π 2. 0 ep cos x cos (p sin x) 0 3.936 p2k+1 sin 2nx dx = π sin x (2k + 1)! n−1 π 3.935 2π π ep cos x cos (p sin x − mx) dx = 2 1. [p > 0] LI (278)(3) k=0 0 ep cos x cos (p sin x − mx) dx = 0 2πpm m! BI (277)(9), GW (337)(14a) 2π 2. ep sin x sin (p cos x + mx) dx = mπ 2πpm sin m! 2 [p > 0] GW (337)(14b) ep sin x cos (p cos x + mx) dx = mπ 2πpm cos m! 2 [p > 0] GW (337)(14b) 0 2π 3. 0 2π ecos x sin (mx − sin x) dx = 0 4. WH 0 5. π eβ cos x cos (ax + β sin x) dx = β −a sin(aπ) γ(a, β) EH II 137(2) 0 3.937 Notation: In formulas 3.937 1 and 2, (b−p)2 +(a+q)2 > 0, m = 0, 1, 2, . . . , A = p2 −q 2 +a2 −b2 , B = 2(pq + ab), C = p2 + q 2 − a2 − b2 , and D = 2(ap + bq). 1.11 0 2π exp (p cos x + q sin x) sin (a cos x + b sin x − mx) dx √ √ − m = iπ (b − p)2 + (a + q)2 2 (A + iB)m/2 I m C − iD − (A − iB)m/2 I m C + iD GW (337)(9b) 2π exp (p cos x + q sin x) cos (a cos x + b sin x − mx) dx √ √ − m m m = π (b − p)2 + (a + q)2 2 (A + iB) 2 I m C − iD + (A − iB) 2 I m C + iD 2. 0 GW (337)(9a) 2π exp (p cos x + q sin x) sin (q cos x − p sin x + mx) dx = 3. 0 m q 2π 2 p + q2 sin m arctan m! 2 p GW (337)(12) 3.944 Trigonometric and exponentials functions and powers 2π exp (p cos x + q sin x) cos (q cos x − p sin x + mx) dx = 4. 0 497 m q 2π 2 p + q2 cos m arctan m! 2 p GW (337)(12) 3.938 π er(cos px+cos qx) sin (r sin px) sin (r sin qx) dx = 1. 0 ∞ 1 π r(p+q)k 2 Γ(pk + 1) Γ(qk + 1) k=1 π er(cos px+cos qx) cos (r sin px) cos (r sin qx) dx = 2. 0 π 2 2+ ∞ k=1 r(p+q)k Γ(pk + 1) Γ(qk + 1) BI (277)(14) BI (277)(15) 3.939 π eq cos x 1. 0 ∞ sin rx π (pq)kr sin (q sin x) dx = 1 − 2pr cos rx + p2r 2pr Γ(kr + 1) k=1 % π eq cos x 2.3 0 1 − pr cos rx π 2+ cos (q sin x) dx = 1 − 2pr cos rx + p2r 2 [r > 0, ∞ k=1 0 < p < 1] & (pq)kr Γ(kr + 1) [r > 0, 0 < p < 1] q−1 cos (p sin 2x) dx π exp p = 2q q+1 cos2 x + q 2 sin2 x BI (278)(15) BI (278)(16) π/2 p cos 2x e 3. 0 BI (273)(8) 3.94–3.97 Combinations involving trigonometric functions, exponentials, and powers 3.941 1. ∞ e−px sin qx q dx = arctan x p e−px cos qx dx =∞ x e−px cos px √ x dx π = 2 exp −bp 2 b4 + x4 4b [p > 0, b > 0] BI (386)(6)a x dx π = 2 e−bp sin bp 4 −x 4b [p > 0, b > 0] BI (386)(7)a 0 ∞ 2. 0 3.942 1. ∞ 0 ∞ 2. e−px cos px 0 3.943 0 ∞ b4 e−βx (1 − cos ax) 1 a2 + β 2 dx = ln x 2 β2 [p > 0] BI (365)(1) BI (365)(2) [Re β > 0] BI (367)(6) 3.944 u i i −μ −μ xμ−1 e−βx sin δx dx = (β + iδ) γ [μ, (β + iδ) u] − (β − iδ) γ [μ, (β − iδ) u] 1. 2 2 0 [Re μ > −1] ET I 318(8) 498 Trigonometric Functions ∞ 2. xμ−1 e−βx sin δx dx = u xμ−1 e−βx cos δx dx = 0 xμ−1 e−βx cos δx dx = u ∞ xμ−1 e−βx sin δx dx = 0 ∞ xμ−1 e−βx cos δx dx = 0 0 Γ(μ) (β 2 + 0 ∞ 10. 0 [Re μ > −1, Re β > |Im δ|] Re β > |Im δ|] [Re μ > 0, xμ−1 exp (−ax cos t) sin (ax sin t) dx = Γ(μ)a−μ sin(μt) + Re μ > −1, xμ−1 exp (−ax cos t) cos (ax sin t) dx = Γ(μ)a−μ cos(μt) + Re μ > −1, xp−1 e−qx sin (qx tan t) dx = 1 Γ(p) cosp t sin pt qp xp−1 e−qx cos (qx tan t) dx = 1 Γ(p) cosp (t) cos pt qp 0 11. δ β Γ(μ) δ cos μ arctan (δ 2 + β 2 ) μ2 β 0 sin μ arctan a > 0, |t| < π, 2 a > 0, |t| < π, 2 EH I 13(35) ∞ 9. μ/2 δ2) ET I 320(29) EH I 13(36) ∞ 8. 1 1 −μ −μ (β + iδ) Γ [μ, (β + iδ) u] + (β − iδ) Γ [μ, (β − iδ) u] 2 2 FI II 812, BI (361)(10) ∞ 7. ET I 320(28) FI II 812, BI (361)(9) 6. 1 1 −μ −μ (β + iδ) γ [μ, (β + iδ) u] + (β − iδ) γ [μ, (β − iδ) u] 2 2 [Re β > |Im δ|] 5.11 ET I 318(9) [Re μ > 0] ∞ 4. i i −μ −μ (β + iδ) Γ [μ, (β + iδ) u] − (β − iδ) Γ [μ, (β − iδ) u] 2 2 [Re β > |Im δ|] u 3. 3.944 ∞ xn e−βx sin bx dx = n! β β 2 + b2 ∂n = (−1) ∂β n n n+1 (−1)k 0≤2k≤n , + π |t| < , 2 q>0 + π |t| < , 2 q>0 n+1 2k + 1 LO V 288(16) , b β LO V 288(15) 2k+1 b 2 b + β2 [Re β > 0, b > 0] GW (336)(3), ET I 72(3) 3.947 Trigonometric and exponentials functions and powers ∞ 12. xn e−βx cos bx dx = n! 0 β β 2 + b2 ∂n = (−1)n n ∂β n+1 (−1)k 0≤2k≤n+1 n+1 2k ∞ 13. xn−1/2 e−βx sin bx dx = (−1)n 0 14. b β 2k β b2 + β 2 [Re β > 0, 499 n b > 0] GW (336)(4), ET I 14(5) ⎛ < ⎞ β 2 + b2 − β ⎠ β 2 + b2 π d ⎝ 2 dβ n [Re β > 0, ⎛ < ⎞ ∞ 2 + b2 + β n β π d ⎝ ⎠ xn−1/2 e−βx cos bx dx = (−1)n 2 dβ n β 2 + b2 0 b > 0] ET I 72(6) [Re β > 0, b > 0] ET I 15(6) 3.945 1. ∞ ∞ ∞ −βx dx e sin ax − e−γx sin bx r x 0 2 r−1 b a 2 r−1 sin (r − 1) arctan sin (r − 1) arctan = Γ(1 − r) b + γ − a2 + β 2 2 γ 2 β [Re β > 0, Re γ > 0, r < 2, r = 1] BI(371)(6) 2. −βx dx e cos ax − e−γx cos bx r x 0 2 r−1 a b 2 r−1 cos (r − 1) arctan cos (r − 1) arctan = Γ(1 − r) a + β − b2 + γ 2 2 β 2 γ [Re β > 0, Re γ > 0, r < 2, r = 1] BI (371)(7) 3. 0 −βx dx 1 a2 + γ 2 γ β β γ ln 2 arccot − arccot ae sin bx − be−γx sin ax 2 = ab + x 2 b + β2 a a b b [Re β > 0, 3.946 ∞ 1. e−px sin2m+1 ax 0 m 2m + 1 (−1)m dx = 2m (−1)k k x 2 k=0 arctan Re γ > 0] (2m − 2k + 1)a p [m = 0, 1, . . . , ∞ 2. 0 e−px sin2m ax m+1 m−1 (−1) dx = x 22m (−1)k k=0 2m k 1. 0 ∞ e−βx sin γx sin ax 1 β 2 + (a + γ)2 dx = ln 2 x 4 β + (a − γ)2 p > 0] 1 ln p2 + (2m − 2k)2 a2 − 2m 2 [m = 1, 2, . . . , 3.947 BI (368)(22) [Re β > |Im γ|, p > 0] a > 0] GW (336)(9a) 2m m ln p GW (336)(9b) BI (365)(5) 500 Trigonometric Functions 2. ∞ 11 e−px sin ax sin bx 0 3. ∞ 11 0 3.948 e−px sin ax cos bx 3.948 |a + b| |a − b| dx |a + b| |a − b| arctan arctan = − x2 2 p 2 p p2 + (a − b)2 p + ln 4 p2 + (a + b)2 [p > 0, for p = 0 see 3.741 3] BI (368)(1), FI II 744 a+b a−b dx = arctan + arctan x p p [a ≥ 0, ∞ 1.11 e−βx (sin ax − sin bx) 0 p > 0] a br dx = arctan − arctan x β β [Re β > 0] , ∞ 1 b2 + β 2 dx = ln 2 x 2 a + β2 e−βx (cos ax − cos bx) 0 e−βx (cos ax − cos bx) 0 0 2 2 a dx β a +β b = ln 2 + b arctan − a arctan 2 2 x 2 b +β β β ∞ 0 dx 2b p p + 4a 2a − b arctan − ln 2 e−βx sin2 ax − sin2 bx 2 = a arctan x p p 4 p + 4b2 1. 2.8 2 ∞ BI (368)(25) dx 2b p p2 + 4a2 2a + b arctan + ln 2 e−βx cos2 ax − cos2 bx 2 = −a arctan x p p 4 p + 4b2 [p > 0] BI (368)(20) 2 [p > 0] 5. 3.949 (cf. 3.951 3) [Re p > 0] ∞ 4. [Re β > 0] , BI (367)(8), FI II 748a ∞ 3. (cf. 3.951 2) BI (367)(7) 2. GW (336)(10b) BI (368)(26) 1 a+b+c 1 a+b−c 1 a−b+c dx = − arctan + arctan + arctan x 4 p 4 p 4 p 0 −a + b + c 1 + arctan 4 p [p > 0] BI (365)(11) ∞ 1 b 1 1 2pb dx π = arctan − arctan 2 e−px sin2 ax sin bx +s 2 2 x 2 p 2 2 p %+ 4a− b 2 0 & 1 for p2 + 4a2 − b2 < 0 s= 0 for p2 + 4a2 − b2 ≥ 0 3. 0 ∞ e−px sin ax sin bx sin cx e−px sin2 ax cos bx 1 dx = ln x 8 2 p + (2a + b)2 p2 + (2a − b)2 BI (365)(8) 2 (p2 + b2 ) [p > 0] BI (365)(9) 3.951 Trigonometric and exponentials functions and powers 4. ∞ 8 e −px 0 1 a 1 1 2pa dx π = arctan + arctan 2 sin ax cos bx +s 2 − a2 x 2 p 2 2 p %+ 4b 2 & 2 1 for p + 4b2 − a2 < 0 s= 0 for p2 + 4b2 − a2 ≥ 0 2 BI (365)(10) ∞ 5. e−px sin2 ax sin bx sin cx 0 3.951 ∞ 1. 0 e 0 ∞ −γx e 3. 0 4.11 ∞ −γx e 0 ∞ 6. 0 ∞ 7. 0 8. 9. (β − γ)b − e−βx sin bx dx = arctan 2 x b + βγ [Re β > 0, Re γ ≥ 0] BI (367)(3) 1 b2 + β 2 − e−βx cos bx dx = ln 2 x 2 b + γ2 [Re β > 0, Re γ ≥ 0] BI (367)(4) Re γ > 0] BI (368)(21)a b − e−βx b b2 + β 2 b sin bx dx = ln 2 + β arctan − γ arctan 2 2 x 2 b +γ β γ 2 1 x bπ π cos bx dx = 2 − 2 cosech2 −1 2b 2β β eβx 0 1 1 − ex − 1 x cos bx dx = ln b − 1 − cos ax dx a 1 1−e · = + ln 2πx e −1 x 4 2 a 0 [b > 0] ET I 15(9) [a > 0] BI (387)(10) −a [Re β > 0, Re γ > 0] ∞ 1 cos x − ex − 1 x ae−px − BI (390)(6) dx = C e−qx sin ax x BI (367)(10) 1 √ bp 2 2 [p > 0] ∞ 0 ET I 15(18) ∞ 10. 11. [Re β > 0] 1 [ψ(ib) + ψ(−ib)] 2 −βx dx 1 a2 + γ 2 = ln e − e−γx cos ax x 2 β2 0 ∞ π cos px − e−px dx 1 √ = 4 exp − bp 2 sin 4 4 b +x x 2b 2 0 BI (365)(15) FI II 745 [Re β > 0, ∞ 5. dx 1 p2 + (b + c)2 = ln 2 x 8 p + (b − c)2 , 2 + 2 2 2 p p + (2a − b + c) + (2a + b − c) 1 + ln 2 16 [p + (2a + b + c)2 ] [p2 + (2a − b − c)2 ] [p > 0] √ dx = ln 2 1 − e−x cos x x ∞ −γx 2. 501 NT 65(8) dx a a2 + q 2 a = ln + q arctan − a x 2 p2 q [p > 0, q > 0] BI (368)(24) 502 Trigonometric Functions 2m π x2m sin bx 1 m ∂ dx = (−1) coth bπ − [b > 0] ex − 1 ∂b2m 2 2b 0 ∞ 2m+1 2m+1 π 1 x cos bx m ∂ dx = (−1) coth bπ − ex − 1 ∂b2m+1 2 2b 0 12. 13. 3.952 ∞ ∞ 14. 0 ∞ 15. 0 ∞ 16. 0 ∞ 17. 0 2m x2m sin bx dx m ∂ = (−1) ∂b2m e(2n+1)cx − e(2n−1)cx % 2m x2m sin bx dx m ∂ = (−1) ∂b2m e(2n−2)cx [b > 0] bπ b π tanh − 2 4c 2c b + (2k − 1)2 c2 n % [b > 0] b bπ π tanh − 4c 2c b2 + (2k − 1)2 c2 n ∞ 18. [b > 0] b bπ 1 π coth − − 4c 2c 2b b2 + (2k)2 c2 n−1 ∞ 19. 0 x2m+1 cos bx dx ∂ 2m+1 = (−1)m 2m+1 2ncx (2n−2)cx ∂b e −e % [b > 0, c > 0] bπ 1 b π coth − − 2 4c 2c 2b b + (2k)2 c2 n−1 0 ∞ 21. 0 3.952 ∞ 1. bπ 2p 0 GW (336)(14c) c > 0] GW (336)(14d) m cosh cos ax − cos bx dx 1 1 b2 + (2k − 1)2 p2 = ln − ln 2 aπ (2m−1)px x 2 cosh 2 a + (2k − 1)2 p2 −e k=1 2p GW (336)(16a) bπ m−1 cos ax − cos bx dx 1 a sinh 2p 1 b2 + 4k 2 p2 = ln − ln 2 2 b sinh aπ 2 a + 4k 2 p2 e2mpx − e(2m−2)px x 2p k=1 ∞ 1 (b + 1) sinh[(b − 1)π] sin x sin bx dx = ln · x 1−e x 4 (b − 1) sinh[(b + 1)π] b2 = 1 1 2aπ sin2 ax dx = ln · 1 − ex x 4 sinh 2aπ xe−p x2 xe−p x2 2 sin ax dx = 0 2. & k=1 [p > 0] ∞ 20. GW (336)(14b) & k=1 [p > 0] GW (336)(14a) e(2m+1)px 0 & k=1 [b > 0, GW (336)(15b) & k=1 x2m+1 cos bx dx ∂ 2m+1 = (−1)m 2m+1 (2n+1)cx (2n−1)cx ∂b e −e % GW (336)(15a) 2 cos ax dx = GW (336)(16b) LO V 305 LO V 306, BI (387)(5) √ a π a2 exp − 2 3 4p 4p ∞ 1 a (−1)k k! − 2p2 4p3 (2k + 1)! k=0 BI (362)(1) a p 2k+1 [a > 0] BI (362)(2) 3.953 Trigonometric and exponentials functions and powers ∞ 3. x2 e−p 2 x2 sin ax dx = 0 6.3 x2 e−p 2 x2 cos ax dx = ∞ x3 e−p 2 x2 2 2 BI (362)(5) sin ax dx = k=0 γ2 ∞ 7. μ−1 −βx2 x e sin γx dx = 0 γe− 4β 2β ∞ xμ−1 e−βx cos ax dx = 2 0 3.953 Γ 1+μ 2 1F 1 1− a 2p BI (365)(21) μ 3 γ2 ; ; 2 2 4β Re μ > −1] 1 −μ/2 μ −a2 /4β μ 1 1 a2 β + ; ; e Γ 1F 1 − 2 2 2 2 2 4β [Re β > 0, Re μ > 0, √ a π a2 2n −β 2 x2 n √ x e cos ax dx = (−1) n+1 2n+1 exp − 2 D 2n 2 √β 8β β 2 0 a π a2 n exp − 2 H 2n = (−1) (2β)2n+1 4β 2β + , π |arg β| < , a > 0 4 √ ∞ 2 2 2 a π a √ x2n+1 e−β x sin ax dx = (−1)n n+ 3 exp − 2 D 2n+1 2n+2 8β β 2 2 √2 β 0 a π a2 n exp − 2 H 2n+1 = (−1) (2β)2n+2 4β + 2β , π |arg β| < , a > 0 4 10. μ+1 2 BI (362)(6) [Re β > 0, 8.10 9. BI (362)(4) √ 2p − a a π exp − 2 5 8p 4p 2 √ 6ap2 − a3 a2 π exp − 16p7 4p2 0 √ ∞ ∞ 2k 2 2 a π a (−1)k dx π = e−p x sin ax = Φ x 2p k!(2k + 1) 2p 2 0 2k+1 [a > 0] ∞ 0 5. a p k=0 4. ∞ a 2p2 − a2 (−1)k k! + 4p4 8p5 (2k + 1)! 503 ∞ xμ−1 e−γx−βx sin ax dx ET I 320(30) =− ∞ WH, ET I 15(13) WH, ET I 74(23) 2 0 a > 0] ∞ 1. 2. ET I 318(10) γ 2 − a2 8β i μ exp 2(2β) 2 iaγ 4β D −μ Γ(μ) exp − iaγ 4β D −μ xμ−1 e−γx−βx cos ax dx iaγ γ + ia D −μ √ 4β 2β Re β > 0, a > 0] ET I 318(11) − exp 2 0 = γ − ia √ 2β [Re μ > −1, Γ(μ) exp − 1 μ exp 2(2β) 2 γ 2 − a2 8β iaγ γ − ia γ + ia √ + exp D −μ √ 4β 2β 2β [Re μ > 0, Re β > 0, a > 0] ET I 16(18) 504 Trigonometric Functions γ − ia (γ − ia)2 √ xe (γ − ia) exp − 1−Φ 4β 2 β 0 (γ + ia)2 γ + ia √ − (γ + ia) exp − 1−Φ 4β 2 β [Re β > 0, a > 0] √ ∞ 2 π γ − ia (γ − ia)2 √ xe−γx−βx cos ax dx = − (γ − ia) exp 1−Φ 4β 2 β 8 β3 0 (γ + ia)2 γ + ia 1 √ + (γ + ia) exp + 1−Φ 4β 2β 2 β [Re β > 0, a > 0] 3. 4. 3.954 ∞ 3.954 1.11 ∞ −γx−βx2 √ i π sin ax dx = 8 β3 e−βx sin ax 2 0 ET I 74(28) ET I 16(17) x dx π βγ 2 a a −γa γa √ √ e = − Φ γ β − Φ γ β + − e 2 sinh aγ + e γ 2 + x2 4 2 β 2 β [Re β > 0, Re γ > 0, a > 0] ET I 74(26)a ∞ 2.11 0 dx π βγ 2 a a −βx2 −γa γa e e cos ax 2 = Φ γ β− √ −e Φ γ β+ √ 2 cosh aγ − e γ + x2 4γ 2 β 2 β [Re β > 0, Re γ > 0, a > 0] ET I 15(15) ∞ π − β2 e 4 D ν (β) [Re ν > −1] EH II 120(4) 2 0 ∞ 2 dx √ e − 1 3.956 e−x (2x cos x − sin x) sin x 2 = π BI (369)(19) x 2e 0 3.957 ∞ −β 2 1. xμ−1 exp sin ax dx 4x 0 √ μ πi √ i i i μπ K μ βe−πi/4 a = μ β μ a− 2 exp − μπ K μ βe 4 a − exp 2 4 4 [Re β > 0, Re μ < 1, a > 0] ET I 318(12) 3.955 ∞ 2. xν e− xμ−1 exp 0 3.958 x2 2 ∞ −∞ π 2 dx = −β 2 4x cos ax dx √ √ μ i 1 i μπ K μ βe−πi/4 a = μ β μ a− 2 exp − μπ K μ βeπi/4 a + exp 2 4 4 [Re β > 0, Re μ < 1, a > 0] ET I 320(32)a n −(ax2 +bx+c) x e 1. cos βx − ν sin(px + q) dx = − × −1 2a n−2k j=0 n π exp a b2 − p2 −c 4a n − 2k n−2k−j j p sin b j [a > 0] n/2 k=0 n! ak (n − 2k)!k! pb π −q+ j 2a 2 GW (37)(1b) 3.963 Trigonometric and exponentials functions and powers ∞ n −(ax2 +bx+c) 2. x e −1 2a cos(px + q) dx = −∞ × n−2k j=0 ∞ 3.959 xe−p 2 x2 tan ax dx = 0 3.961 ∞ 1. π exp a b2 − p2 −c 4a n − 2k j p cos j n/2 k=0 n! ak (n − 2k)!k! pb π −q+ j 2a 2 [a > 0] GW (337)(1a) [p > 0] BI (362)(15) √ ∞ a π a2 k 2 (−1)k k exp − 2 3 p p k=1 exp −β 0 n 505 x dx aγ γ 2 + x2 sin ax = K 1 γ a2 + β 2 γ 2 + x2 a2 + β 2 [Re β > 0, Re γ > 0, a > 0] ET I 75(36) ∞ 2. + exp −β 0 , dx γ 2 + x2 cos ax = K 0 γ a2 + β 2 γ 2 + x2 [Re β > 0, Re γ > 0, a > 0] ET I 17(27) 3.962 ∞ < 1. 0 γ 2 + x2 − γ exp −β γ 2 + x2 γ 2 + x2 sin ax dx = 2 2 π a exp −γ a + β < 2 2 β + a2 β + a2 + β 2 [Re β > 0, Re γ > 0, a > 0] ET I 75(38) < ∞ x exp −β γ 2 + x2 2 2 , + π β+ a +β 2 + β2 < exp −γ a cos ax dx = 2 a2 + β 2 0 γ 2 + x2 γ 2 + x2 − γ [Re β > 0, Re γ > 0, a > 0] 2. ET I 17(29) 3.963 1. ∞ e− tan 2 √ sin x dx π = cos2 x x 2 x 0 π/2 2. e−p tan x x dx 1 = [ci(p) sin p − cos p si(p)] 2 cos x p xe− tan x sin 4x xe− tan x sin3 2x 0 π/2 3.8 2 0 4. 8 0 π/2 2 BI (391)(1) [p > 0] (cf. 3.339) BI (396)(3) 3√ dx =− π 8 cos x 2 BI (396)(5) √ dx =2 π 8 cos x BI (396)(6) 506 3.964 Trigonometric Functions π/2 1. xe−p tan x 0 π/2 2. π/2 xe−p tan xp 2 0 3.965 1. 2. 3.966 ∞ 1 p − cos x dx = 4 cos x cot x 4 2 x 0 3.8 p sin x − cos x dx = − sin p si(p) − ci(p) cos p cos3 x xe−p tan 2 π p 1 + 2p − 2 cos2 x dx = 6 cos x cot x 8p π p ∞ xe−βx sin ax2 sin βx dx = β 4 [p > 0] LI (396)(4) [p > 0] BI (396)(7) [p > 0] BI (396)(8) + π |arg β| < , 4 π − β2 e 2a 2a3 0 ∞ π − β2 β −βx 2 xe cos ax cos βx dx = e 2a 4 2a3 0 1. 3.964 [a > 0, xe−px cos 2x2 + px dx = 0 , a>0 Re β > |Im β|] ET I 84(17) ET 26(27) [p > 0] BI (361)(16) [p > 0] BI (361)(17) [p > 0] BI (361)(18) 0 √ 1 p π exp − p2 xe−px cos 2x2 − px dx = 8 4 0 ∞ x2 e−px sin 2x2 + px + cos 2x2 + px dx = 0 2. 3. ∞ 0 ∞ 4. x2 e−px sin 2x2 − px − cos 2x2 − px dx = 0 √ 1 π 2 − p2 exp − p2 16 4 ∞ 1 e 4a Γ(μ) μπ D −μ xμ−1 e−x cos x + ax2 dx = cos μ 4 (2a) 2 ∞ e xμ−1 e−x sin x + ax2 dx = 5.3 0 1 √ a [Re μ > 0, 6.6 0 1 4a Γ(μ) μπ D −μ sin μ 4 (2a) 2 ∞ 1. β2 e− x2 sin a2 x2 0 2. ∞ e 0 2 −β x2 √ √ π −√2aβ dx e = sin 2aβ 2 x 2β √ cos a2 x2 dx π − e = x2 2β a > 0] ET I 321(37) 1 √ a [Re μ > −1, 3.967 BI (361)(19) [Re β > 0, a > 0] ET I 319(18) a > 0] ET I 75(30)a, BI(369)(3)a √ 2aβ cos √ 2aβ [Re β > 0, a > 0] BI (369)(4), ET I 16(20) 3.972 Trigonometric and exponentials functions and powers ∞ 3. 2 −βx2 x e 0 √ π cos ax dx = < cos 3 4 4 (a2 + β 2 ) 2 507 3 a arctan 2 β [Re β > 0] 3.968 1. ∞ e −βx2 0 ∞ 2. π sin ax dx = − 8 4 e−βx cos ax4 dx = 2 0 π 8 β J 14 a β J 14 a β2 8a cos β2 8a π + +Y 8 ET I 14(3)a β2 8a 1 4 [Re β > 0, β2 8a sin β2 π + 8a 8 −Y 1 4 β2 8a [Re β > 0, β2 8a sin π + 8 a > 0] cos β2 8a + a > 0] π 8 ET I 75(34) ET I 16(24) 3.969 √ ∞ π −p2 x4 +q 2 x2 3 3 2px cos 2pqx + q sin 2pqx dx = e 1. 2 0 ∞ 2 4 2 2 2. e−p x +q x 2px sin 2pqx3 − q cos 2pqx3 dx = 0 BI (363)(7) BI (363)(8) 0 3.971 Notation: In formulas 3.971 1 and 2, p ≥ 0, q ≥ 0, r = 4 a2 + p2 , s = 4 b2 + q 2 , A = arctan ap , and B = arctan qb . ∞ dx 1 ∞ dx q b q b 2 2 exp −px − 2 sin ax + 2 = exp −px2 − 2 sin ax2 + 2 1. 2 x x x 2√ −∞ x x x2 0 π exp [−2rs cos(A + B)] sin [A + 2rs sin(A + B)] = 2s ∞ 2. 0 exp −px2 − q b cos ax2 + 2 2 x x BI (369)(16, 17) ∞ dx 1 dx q b = exp −px2 − 2 cos ax2 + 2 2 x 2√ −∞ x x x2 π exp [−2rs cos(A + B)] cos [A + 2rs sin(A + B)] = 2s BI (369)(15, 18) 3.972 1. 2. , + dx exp −β γ 4 + x4 sin ax2 4 + x4 γ 0 2 2 γ γ aπ I 1/4 = β 2 + a2 − β K 1/4 8 2 + 4 π Re β > 0, |arg γ| < , 4 ∞ + , dx exp −β γ 4 + x4 cos ax2 4 4 0 γ + x 2 2 γ γ aπ I −1/4 = β 2 + a2 − β K 1/4 8 2 + 4 π Re β > 0, |arg γ| < , 4 ∞ β 2 + a2 + β , a>0 ET I 75(37) β 2 + a2 + β , a>0 ET I 17(28) 508 Trigonometric Functions 3.973 1. ∞ exp (p cos ax) sin (p sin ax) 0 π dx = (ep − 1) x 2 ∞ 2. exp (p cos ax) sin (p sin ax + bx) 0 exp (p cos ax) cos (p sin ax + bx) 0 a > 0] x dx π = exp −cb + pe−ac 2 +x 2 [a > 0, b > 0, WH, FI II 725 c2 c > 0, exp (p cos x) sin (p sin x + nx) 0 ∞ 5. exp (p cos x) sin (p sin x) cos nx 0 dx π exp −cb + pe−ac = c2 + x2 2c [a > 0, b > 0, c > 0, π dx = ep x 2 [p > 0] ∞ pn π π pk dx = · + x n! 4 2 k! k=n+1 ∞ 6. exp (p cos x) cos (p sin x) sin nx 0 LI (366)(3) n−1 π pk pn π dx = + x 2 k! n! 4 k=0 [p > 0] 3.974 p > 0] BI (366)(2) [p > 0] p > 0] BI (372)(4) ∞ 4. [p > 0, BI (372)(3) ∞ 3. 3.973 ∞ 1. 0 LI (366)(4) π ep − exp pe−ab dx exp (p cos ax) sin (p sin ax) cosec ax 2 = b + x2 2b sinh ab [a > 0, b > 0, p > 0] π ep − exp pe−ab x dx [1 − exp (p cos ax) cos (p sin ax)] cosec ax 2 = b + x2 2 sinh ab BI (391)(4) ∞ [a > 0, b > 0, p > 0] π ep − exp pe−ab − ab dx exp (p cos ax) sin (p sin ax + ax) cosec ax 2 = b + x2 2b sinh ab BI (391)(5) ∞ [a > 0, b > 0, p > 0] ∞ π ep − exp pe−ab − ab x dx exp (p cos ax) cos (p sin ax + ax) cosec ax 2 = b + x2 2 sinh ab 0 BI (391)(6) 2. 0 3. 0 4. [a > 0, ∞ 5. exp (p cos ax) sin (p sin ax) 0 6. exp (p cos ax) cos (p sin ax) 0 p > 0] BI (391)(7) x dx π = [1 − exp (p cos ab) cos (p sin ab)] 2 −x 2 b2 [p > 0, ∞ b > 0, a > 0] BI (378)(1) dx π exp (p cos ab) sin (p sin ab) = b2 − x2 2b [a > 0, b > 0, p > 0] BI (378)(2) 3.981 Trigonometric and hyperbolic functions ∞ 7. exp (p cos ax) sin (p sin ax) tan ax 0 dx π · tanh ab exp pe−ab − ep = b2 + x2 2b [a > 0, ∞ 8. exp (p cos ax) sin (p sin ax) cot ax 0 b2 ∞ 9. exp (p cos ax) sin (p sin ax) cosec ax 0 ∞ 10. p > 0] BI (372)(14) b > 0, p > 0] BI (372)(15) dx π cosec ab [ep − exp (p cos ab) cos (p sin ab)] = b2 − x2 2b [a > 0, b > 0, dx π coth ab ep − exp pe−ab = 2 +x 2b [a > 0, 509 [1 − exp (p cos ax) cos (p sin ax)] cosec ax 0 b > 0, p > 0] BI (391)(12) x dx π = − exp (p cos ab) sin (p sin ab) cosec ab b2 − x2 2 [a > 0, b > 0, p > 0] BI (391)(13) 3.975 ∞ sin 1. β arctan γx (γ 2 + x2 ) 0 · β 2 1 1 dx γ 1−β = ζ(β, γ) − β − −1 2 4γ 2(β − 1) e2πx [Re β > 1, ∞ 2. sin (β arctan x) (1 + x2 ) 0 ∞ 3.976 0 β 2 · 1 ζ(β) dx = − β +1 2(β − 1) 2 Re γ > 0] WH, ET I 26(7) [Re β > 1] e2πx EH I 33(13) β− 12 −px2 e−p 1 + x2 e cos [2px + (2β − 1) arctan x] dx = β sin πβ Γ(β) 2p [Re β > 0, p > 0] WH 3.98–3.99 Combinations of trigonometric and hyperbolic functions 3.981 ∞ 1. 0 ∞ 2. 0 [Re β > 0, π aπ i sin ax dx = − tanh − ψ cosh βx 2β 2β 2β β + ai 4β −ψ β − ai 4β [Re β > 0, a > 0] ∞ 0 a > 0] cos ax π aπ dx = sech cosh βx 2β 2β [Re β > 0, all real a] sin ax β + γ + ia 2γ −ψ ∞ 4. 0 sinh aπ π sinh βx i γ dx = + ψ βπ sinh γx 2γ cosh aπ 2γ γ + cos γ [|Re β| < Re γ, 5. ∞ cos ax 0 BI (264)(16) GW (335)(12), ET I 88(1) 3. π aπ sin ax dx = tanh sinh βx 2β 2β πβ γ sin π sinh βx dx = βπ sinh γx 2γ cosh aπ γ + cos γ [|Re β| < Re γ] β + γ − ia 2γ a > 0] BI (264)(14) ET I 88(5) BI (265)(7) 510 Trigonometric Functions 6. 7. βπ aπ π sin 2γ sinh 2γ sinh βx dx = sin ax βπ cosh γx γ cosh aπ 0 γ + cos γ ⎡ ∞ 3γ − β + ia 1 ⎣ sinh βx dx = ψ cos ax cosh γx 4γ 4γ 0 ∞ 3γ + β + ia 4γ −ψ 8. 9. ∞ [|Re β| < Re γ, 3γ − β − ia 4γ ⎤ 2π sin πβ γ ⎦ + πa cos πβ + cosh γ γ sinh π cosh βx dx = · πβ sinh γx 2γ cosh πa 0 γ + cos γ ⎡ ∞ 3γ + β + ia i ⎣ cosh βx dx = ψ sin ax −ψ cosh γx 4γ 4γ 0 3γ − β − ai 4γ −ψ ∞ 10. cos ax 0 π/2 cos2m x cosh βx dx = 11.11 0 3γ + β − ia 4γ ET I 31(13) [|Re β| < Re γ, a > 0] BI (265)(4) 3γ − β + ia 4γ [|Re β| < Re γ, a > 0] [|Re β| < Re γ, all real a] cos2m+1 x cosh βx dx = 0 3.982 ∞ 1. 0 ∞ 2. 0 3.11 0 ∞ ET I 88(6) BI (265)(6) (2m)! sinh πβ 2 β (β 2 + 22 ) . . . [β 2 + (2m)2 ] π/2 12.11 a > 0] [β = 0] BI (265)(2) [|Re β| < Re γ, 3γ + β − ai +ψ 4γ ⎤ 2πi sinh πa γ ⎦ − βπ cosh aπ + cos γ γ βπ aπ π cos 2γ cosh 2γ cosh βx dx = βπ cosh γx γ cosh aπ γ + cos γ a > 0] −ψ +ψ πa γ sin ax 3.982 WA 620a πβ 2 (2m + 1)! cosh (β 2 + 12 ) (β 2 + 32 ) . . . [β 2 + (2m + 1)2 ] aπ cos ax dx = aπ 2 cosh βx 2β 2 sinh 2β [Re β > 0, WA 620a a > 0] BI (264)(16) βπ aπ aπ π a sin βπ 2γ cosh 2γ − β cos 2γ sinh 2γ sinh βx sin ax dx = βπ cosh2 γx γ 2 cosh aπ γ − cos γ sin2 x cos ax π dx = 2 4 sinh hx [|Re β| < 2 Re γ, a > 0] a−2 + = I(a) 1 − e−π(a−2) a+2 2a − 1 − e−πa 1 − e−π(a+2) 1 I(0) = (π coth π − 1) , 2 I(±2) = ET I 88(9) 1 π + (coth 2π − coth π) 4 2 3.984 Trigonometric and hyperbolic functions 511 3.983 ∞ 1.6 0 π sin βa arccosh cb cos ax dx = √ b cosh βx + c β c2 − b2 sinh aπ β = [c > b > 0] π sinh βa arccos cb √ β b2 − c2 sinh aπ β [b > |c| > 0] [Re β > 0, ∞ 2. 0 3.3 4. 5. aγ β cos ax dx π sinh = cosh βx + cos γ β sin γ sinh aπ β a > 0] π Re β < Im βγ, GW (335)(13a) a>0 BI (267)(3) ∞ sin ab cos ax dx = −π coth aπ [a > 0, b > 0] ET I 30(8) sinh b 0 cosh x − cosh b π ∞ cos ax dx 2 < < ET I 30(9) = [a > 0] 2 2 0 1 + 2 cosh πx 1 + 2 cosh πa 3 3 + , + , + , + , β β a a ∞ π sin (π − δ) sinh (π + δ) − sin (π + δ) sinh (π − δ) γ γ γ γ sin ax sinh βx dx = 2πβ 2πa cosh γx + cos δ 0 γ sin δ cosh − cos γ [π Re γ > |Re γδ|, ∞ 6. 0 cos ax cosh βx dx = cosh γx + cos b γ |Re β| < Re γ, a > 0] BI (267)(2) + , + , + , + , π cos βγ (π − b) cosh γa (π + b) − cos βγ (π + b) cosh γa (π − b) 2πβ γ sin b cosh 2πa γ − cos γ [|Re β| < Re γ, 0 < b < π, a < 0] BI (267)(6) ∞ 7. 0 β+ cos ax dx β 2 − 1 cosh x ν+1 = Γ(ν + 1 − ai)eaπ Q ai ν (β) Γ(ν + 1) [Re ν > −1, |arg(β + 1)| < π, a > 0] ET I 30(10) 3.984 1. 6 2.6 lim ∞ lim ∞ c↑1 0 c↑1 0 ∞ 0 ∞ 4. 0 5. 0 [|b| ≤ π, sinh ab cos ax cosh cx dx = −π cot b cosh x + cos b sinh aπ [0 < |b| < π, sin ax sinh x2 π sinh aβ dx = cosh x + cos β 2 sin β2 cosh aπ 3.8 sin ax sinh cx cosh ab dx = π cosh x + cos b sinh aπ ∞ π cos aγ cos ax cosh β2 x β dx = cosh βx + cosh γ 2β cosh γ2 cosh aπ β sin ax sinh βx aπ dx = 2 cosh 2βx + cos 2ax 4 (a + β 2 ) a real] [Reβ < π, a real] a > 0] ! ! π Re β > !Im βγ ! [a > 0, Re β > 0] BI (267)(1) BI (267)(5) ET I 80(10) ET I 31(16) BI (267)(7) 512 Trigonometric Functions ∞ 6. 0 ∞ 7.8 0 βπ cos ax cosh βx dx = cosh 2βx + cos 2ax 4 (a2 + β 2 ) 3.985 [Re β > 0, a > 0] BI (267)(8) sinh2μ−1 x cosh2−2ν+1 x 1 dx = B(μ, ν − μ) 2 F 1 (, μ; ν; β) 2 cosh2 x − β sinh2 x [Re ν > Re μ > 0] 3.985 1. ∞ 0 2ν−2 cos ax dx = Γ coshν βx β Γ(ν) ν ai + 2 2β Γ ν ai − 2 2β [Re β > 0, Re ν > 0, EH I 115(12) a > 0] ET I 30(5) 2. 3. 3.986 n−1 - ∞ a2 cos ax dx 4n−1 πa + k2 = aπ 2n 2 2 4β cosh βx 0 2(2n − 1)!β sinh 2β k=1 2 πa a + 22 β 2 a2 + 42 β 2 · · · a2 + (2n − 2)2 β 2 = aπ 2(2n − 1)!β 2n sinh 2β [n ≥ 2, a > 0] % & ∞ n 2 2k − 1 cos ax dx a2 π22n−1 + = 2n+1 2 βx (2n)!β cosh aπ k=1 4β 2 0 cosh 2β 2 π a + β 2 a2 + 32 β 2 · · · a2 + (2n − 1)2 β 2 = aπ 2(2n)!β 2n+1 cosh 2β [Re β > 0, n = 0, 1, . . . , all real a] ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 ∞ 4.3 0 ∞ [|Im(β + γ)| < Re δ] BI (264)(19) π sinh πα sin αx cos βx γ dx = απ sinh γx 2γ cosh γ + cosh βπ γ [|Im(α + β)| < Re γ] LI (264)(20) γπ cosh βπ π cos βx cos γx 2δ cosh 2δ dx = · γπ cosh δx δ cosh βπ δ + cosh δ [|Im(β + γ)| < Re δ] BI (264)(21) β−1 β coth β − 1 sin2 βx β + = dx = 2 2β π (e − 1) 2π 2π sinh πx 2. 0 ∞ EH I 44(3) sin ax (1 − tanh βx) dx = π 1 − a 2β sinh απ 2β [Re β > 0] ET I 88(4)a sin ax (coth βx − 1) dx = aπ 1 π coth − 2β 2β a [Re β > 0] ET I 88(3) 0 ET I 30(4) γπ sinh βπ π sin βx sin γx 2δ sinh 2δ dx = · cosh δx δ cosh βδ π + cosh γδ π [|Im β| < π] 3.987 1. ET I 30(3) 3.991 3.988 Trigonometric and hyperbolic functions π/2 1. 0 513 cos ax sinh (2b cos x) π√ √ dx = πb I α2 + 14 (b) I − a2 + 14 (b) 2 cos x [a > 0] π/2 2. 0 ET I 37(66) cos ax cosh (2b cos x) π√ √ dx = πb I a2 − 14 (b) I − a2 − 14 (b) 2 cos x [a > 0] ∞ 3. 0 3.989 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 4. 5. π P − 12 +ia (cos b) cos ax dx √ √ = 2 cosh aπ cosh x cos b 2 [a > 0, b > 0] ET I 30(7) [a > 0, b > 0] ET I 93(44) [a > 0, b > 0] ET I 93(45) 2 sin a πx sin bx π πb2 πb dx = sin 2 cosech sinh ax 2a 4a 2a 2 ET I 37(67) 2 2 πb cos a πx sin bx π cosh πb a − cos 4a2 dx = sinh ax 2a sinh πb 2a a2 π sin xπ cos ax π cos 4 − √2 dx = cosh x 2 cosh aπ 2 2 1 ET I 36(54) 2 2 a π 1 cos xπ cos ax π sin 4 + √2 dx = · cosh x 2 cosh aπ 0 2 ∞ ∞ + 2 2 , sin πax cos bx dx = − exp − k + 12 b sin k + 12 πa cosh πx 0 k=0 % % & 2 & ∞ k + 12 π b k + 12 b2 1 π − + exp − +√ sin a 4 4πa a a ∞ ET I 36(55) k=0 ET I 36(56) [a > 0, b > 0] & % ∞ 2 ∞ cos πax2 cos bx 1 1 dx = (−1)k exp − k + πa b cos k + cosh πx 2 2 0 k=0 % % & 2 & ∞ k + 12 π b k + 12 1 π b2 +√ cos − + exp − a 4 4πa a a 6. k=0 [a > 0, 3.991 1. 2.11 ∞ π a 1 tanh sin + 2 2 4 0 ∞ a 1 cos πx2 sin ax coth πx dx = tanh 1 − cos 2 2 0 sin πx2 sin ax coth πx dx = a2 4π π a2 + 4 4π b > 0] ET I 36(57) ET I 93(42) ET I 93(43) 514 3.992 Trigonometric Functions ∞ 1. 0 2 sin πx2 cos ax 2 1 + 2 cosh √ πx 3 π a cos 12 − 4π √ dx = − 3 + a 4 cosh √ − 2 3 [a > 0, ∞ 4 2 ib 1 4+ 2 , (a) ∞ b > 0] ET I 37(63) ET I 93(47) , cos (2a sinh x) sin bx i√ √ dx = − πa I − 1 − ib (a) K − 1 + ib (a) − I − 1 + ib (a) K − 1 − ib (a) 4 2 4 2 4 2 4 2 2 sinh x 0 [a > 0, b > 0] ET I 93(48) √ + ∞ , sin (2a sinh x) cos bx πa √ I 1 − ib (a) K 1 + ib (a) + I 1 + ib (a) K 1 − ib (a) dx = 4 2 4 2 4 2 4 2 2 sinh x 0 [a > 0, b > 0] ET I 37(64) √ + ∞ , cos (2a sinh x) cos bx πa √ I − 1 − ib (a) K − 1 + ib (a) + I − 1 + ib (a) K − 1 − ib (a) dx = 4 2 4 2 4 2 4 2 2 sinh x 0 7. + [a > 0, sin (a cosh x) sin (a sinh x) 0 3.995 (a) + J 1 − ib (a) Y [a > 0, b > 0] + , sin (2a sinh x) sin bx i√ √ dx = − πa I 1 − ib (a) K − 1 + ib (a) − I 1 + ib (a) K 1 − ib (a) 4 2 4 2 4 2 4 2 2 sinh x 0 6. ib 1 4− 2 ∞ 3. 5. ET I 37(58) [a > 0, b > 0] ET I 37(62) + , cos (2a cosh x) cos bx π√ √ dx = − aπ J − 1 + ib (a) Y − 1 − ib (a) + J − 1 − ib (a) Y − 1 + ib (a) 4 2 4 2 4 2 4 2 4 cosh x 0 4. ET I 37(61) ∞ 2. π 12 sin cos πx2 cos ax 2 1 + 2 cosh √ πx 3 ET I 37(60) 2 a − 4π dx = 1 − 2. a 0 4 cosh √ − 2 3 √ ∞ 2 sin x + cos x2 π sin2 a + cos a2 √ √ · cos ax dx = 3.993 2 cosh ( πx) cosh ( πa) 0 3.994 ∞ sin (2a cosh x) cos bx π√ + √ dx = − 1. aπ J 1 + ib (a) Y 4 2 4 cosh x 0 ∞ 3.992 π/2 1. sin 2a cos2 x cosh (a sin 2x) b2 cos2 x + c2 sin2 x 0 2. 0 π dx = sin a sinh x 2 π/2 cos 2a cos x cosh (a sin 2x) dx = 2 b2 cos2 x+ c2 2 sin x dx = b > 0] [a > 0] ET I 37(65) BI (264)(22) 2ac π sin 2bc b+c [b > 0, c > 0] BI (273)(9) [b > 0, c > 0] BI (273)(10) 2ac π cos 2bc b+c 3.997 3.996 Trigonometric and hyperbolic functions ∞ sin (a sinh x) sinh βx dx = sin 1. 0 βπ K β (a) 2 ∞ 2. cos (a sinh x) cosh βx dx = cos 0 βπ K β (a) 2 π/2 3. cos (a sin x) cosh (β cos x) dx = 0 4. 5. 3.997 √ π/2 sinν x sinh (β cos x) dx = 0 π 0 π/2 0 4. 0 [|Re β| < 1, a > 0] WA 202(13) MO 40 ν 2 2 β π 2 Γ ν+1 2 [|Re β| < 1, a > 0] WA 199(12) [|Re β| < 1, a > 0] WA 199(13) L ν2 (β) √ π 2 β ν 2 Γ ν+1 2 π/2 EH II 38(53) I ν2 (β) [Re ν > −1] 3. EH II 82(26) [Re ν > −1] sinν x cosh (β cos x) dx = 2. a > 0] ∞ 1. [|Re β| < 1, π J0 a2 − β 2 2 π sin a cosh x − 12 βπ cosh βx dx = J β (a) 2 0 ∞ π cos a cosh x − 12 βπ cosh βx dx = − Y β (a) 2 0 515 ∞ √ dx (−1)k √ √ = 2π 2k + 1 cosh (tan x) cos x sin 2x k=0 WH BI (276)(13) ∞ Γ(q) dx tanq x sin kλ = (−1)k−1 q cosh (tan x) + cos λ sin 2x sin λ k k=1 [q > 0] BI (275)(20) 516 Trigonometric Functions 4.111 4.11–4.12 Combinations involving trigonometric and hyperbolic functions and powers 4.111 ∞ 1. 0 ∂ 2m sin ax π · x2m dx = (−1)m · 2m sinh βx 2β ∂a tanh aπ 2β [Re β > 0] GW (336)(17a) ∞ 2. 0 cos ax π ∂ 2m+1 · x2m+1 dx = (−1)m sinh βx 2β ∂a2m+1 aπ 2β tanh [Re β > 0] ∞ 3. 0 (cf. 3.981 1) ∞ 4. 0 ∂ 2m+1 sin ax π · x2m+1 dx = (−1)m+1 · 2m+1 cosh βx 2β ∂a ∂ 2m cos ax π · x2m dx = (−1)m · 2m cosh βx 2β ∂a GW (336)(17b) 1 cosh aπ 2β [Re β > 0] 1 cosh aπ 2β (cf. 3.981 1) (cf. 3.981 3) GW (336)(18b) [Re β > 0] (cf. 3.981 3) GW (336)(18a) ∞ 5. x sinh π2 sin 2ax dx = · 2 cosh βx 4β cosh2 aπ β [Re β > 0, a > 0] BI (364)(6)a x π2 cos 2ax 1 dx = · 2 sinh βx 4β cosh2 aπ β [Re β > 0, a > 0] BI (364)(1)a [Re β > 0, a > 0] 0 ∞ 6. 0 ∞ 7. 0 aπ β πa sin ax dx = 2 arctan exp cosh βx x 2β − π 2 BI (387)(1), ET I 89(13), LI (298)(17) 4.112 1. 2. ∞ 2 cos ax 2β 3 x + β2 πx dx = cosh3 aβ 0 cosh 2β ∞ cos ax 6β 4 x x2 + 4β 2 πx dx = cosh4 aβ 0 sinh 2β [Re β > 0, a > 0] ET I 32(19) [Re β > 0, a > 0] ET I 32(20) 4.113 Trigonometric and hyperbolic functions and powers 4.113 1. ∞ 0 dx sin ax 1 πe−aβ · 2 =− 2 − 2 sinh πx x + β 2β β sin πβ 1 + 2 2 F 1 1, −β; 1 − β; −e−a + 2β ∞ (−1)k e−ak πe−aβ 1 − − = 2 2β 2β sin πβ k2 − β 2 2F 1 517 1, β; 1 + β : −e−a k=1 [Re β > 0, 2. 3. 4. 5. 6. 7. β = 0, 1, 2, . . . , a > 0] ET I 90(18) m−1 dx 1 (−1)k e−ka (−1)m e−ma sin ax (−1)m ae−ma · 2 + + ln 1 + e−a = 2 2m 2m m−k 2m 0 sinh πx x + m k=1 1 dm−1 (1 + z)m−1 + ln(1 + z) 2m! dz m−1 z z=e−a [a > 0] ET I 89(17) ∞ ∞ sin ax sin ax dx dx a 1 a · = = − cosh a+sinh a ln 2 cosh GW (336)(21b) 2 2 sinh πx 1 + x 2 sinh πx 1 + x 2 2 0 −∞ ∞ sin ax dx dx 1 ∞ sin ax π · · = = sinh a − cosh a arctan (sinh a) π π 2 2 2 −∞ sinh x 1 + x 2 0 sinh x 1 + x 2 2 ∞ GW (336)(21a) √ √ sin ax 2 dx π −a sinh a 2 cosh a + 2 √ π · 1 + x2 = − √2 e + √2 ln 2 cosh a − √2 + 2 cosh a arctan 2 sinh a 0 sinh x 4 [a > 0] LI (389)(1) √ ∞ 1 sin ax x dx π −a sinh a 2 cosh a + 2 √ π · 1 + x2 = √2 e + √2 ln 2 cosh a − √2 − 2 cosh a arctan √2 sinh a 0 cosh x 4 BI (388)(1) [a > 0] ∞ x dx cos ax 1 a · = − + e−a + cosh a ln 1 + e−a 2 sinh πx 1 + x 2 2 0 ∞ ∞ 8. 0 ∞ 9.11 0 10.11 0 [a > 0] BI (389)(14), ET I 32(24) −a π −a cos ax x dx + e −1 π · 1 + x2 = 2 sinh a arctan e 2 sinh x 2 [a > 0] BI (389)(11) ∞ (−1)k e−(k+1/2)a cos ax dx πe−aβ · 2 − = 2 cosh πx x + β 2 2β cos(βπ) k + 1 − β2 k=0 ∞ −aβ 2 (−1)m e aβ + dx cos ax · = 2 cosh πx x2 + m + 1 2β 2 2 [Re β > 0, 1 2 − a > 0] ET I 32(26) ∞ (−1)k e−(k+1/2)a 2 k + 12 − β 2 k=0 [Re β > 0, a > 0] ET I 32(25) 518 Trigonometric Functions ∞ 11. 0 ∞ 12. 0 ∞ 13. 0 4.114 a a dx cos ax a · = 2 cosh − ea arctan e− 2 + e−a arctan e 2 cosh πx 1 + x2 2 dx cos ax · = ae−a + cosh a ln 1 + e−2a π 2 cosh 2 x 1 + x dx cos ax π 2 sinh a · arctan = √ e−a + √ π 2 cosh 4 x 1 + x 2 2 [a > 0] ET I 32(21) [a > 0] BI (388)(6) 1 √ 2 sinh a √ cosh a 2 cosh a + 2 √ − √ ln 2 2 cosh a − 2 [a > 0] 4.114 ∞ 1. 0 ∞ 2. 0 4.115 ∞ 1. 0 0 4. βπ aπ sin ax sinh βx dx = arctan tan tanh x sinh γx 2γ 2γ [|Re β| < Re γ, βπ aπ cos ax sinh βx 1 cosh 2γ + sin 2γ dx = ln βπ x cosh γx 2 cosh aπ 2γ − sin 2γ [|Re β| < Re γ] a > 0] BI (387)(6)a ET I 33(34) ∞ π e−ab sin bβ x sin ax sinh βx ke−ak sin kβ dx = + · (−1)k 2 2 x + b sinh πx 2 sin bπ k 2 − b2 k=1 [0 < Re β < π, a > 0, b > 0] BI (389)(23) ∞ 2. 3. BI (388)(5) ∞ ∞ 1 x sin ax sinh βx 1 · dx = e−a (a sin β − β cos β) − sinh a sin β ln 1 + 2e−a cos β + e−2a 2 x + 1 sinh πx 2 2 sin β + cosh a cos β arctan a e + cos β [|Re β| < π, a > 0] LI (389)(10) x sin ax sinh βx · dx x2 + 1 sinh π x 0 2 cos β cosh a + sin β 1 π − sin β cosh a arctan = e−a sin β + cos β sinh a ln 2 2 cosh a+ − sin β sinh a , π BI (389)(8) |Re β| < , a > 0 2 ∞ ∞ π e−ab sin bβ cos ax sinh βx e−ak sin kβ dx = · + · (−1)k 2 2 sinh πx 2b sin bπ k 2 − b2 0 x +b k=1 [0 < Re β < π, a > 0, b > 0] 5. 0 BI (389)(22) 1 cos ax sinh βx 1 · dx = e−a (a sin β − β cos β) + cosh a sin β ln 1 + 2e−a cos β + e−2a 2 x + 1 sinh πx 2 2 sin β − sinh a cos β arctan a e + cos β [|Re β| < π, a > 0, b > 0] BI (389)(20)a 4.115 Trigonometric and hyperbolic functions and powers ∞ 6. 0 BI (389)(18) a β β sin ax sinh βx β a dx = e− 2 a sin − β cos · − sinh sin ln 1 + 2e−a cos β + e−2a 1 cosh πx 2 2 2 2 x2 + β sin β a 4 + cosh cos arctan 2 2 1 + e−a cos β [|Re β| < π, a > 0] ET I 91(26) ∞ −ak 1 sin ax cosh γx cos kγ π e−aβ cos βγ k−1 e dx = · + · − (−1) 2 2 2 2 x +β sinh πx 2β 2β sin βπ k − β2 k=1 [0 ≤ Re β, |Re γ| < π, 0 8. 0 ∞ 0 11. ∞ a > 0] BI (389)(21) 9. 10. cosh a + sin β cos β cos ax sinh βx π 1 · + sinh a sin β arctan dx = e−a sin β − cosh a cos β ln x2 + 1 sinh π x 2 2 cosh a − sin β sinh a 2 + , π |Re β| < , a > 0, b > 0 2 ∞ 7. 519 1 sin ax cosh βx 1 · dx = − e−a (a cos β + β sin β) + sinh a cos β ln 1 + 2e−a cos β + e−2a 2 x + 1 sinh πx 2 2 sin β + cosh a sin β arctan a e + cos β [|Re β| < π, a > 0] ET I 91(25), LI (389)(9) ∞ cosh a + sin β cos β sin ax cosh βx π −a 1 · π dx = − 2 e cos β+ 2 sinh a sin β ln cosh a − sin β +cosh a cos β arctan sinh a 2+1 x 0 sinh x 2 + , π |Re β| < , a > 0 BI (389)(7) 2 ∞ ∞ −ak π e−ab cos bβ x cos ax cosh βx cos kβ k ke dx = · + · (−1) 2 2 2 x +b sinh πx 2 sin bπ k − b2 0 k=1 [|Re β| < π, ∞ 12. 0 13. 0 ∞ a > 0] BI (389)(24) 1 x cos ax cosh βx · dx = e−a (a cos β + β sin β) x2 + 1 sinh πx 2 1 1 − + cosh a cos β ln 1 + 2e−a cos β + e−2a 2 2 sin β + sinh a sin β arctan a e + cos β [|Re β| < π, a > 0] BI (389)(19) x cos ax cosh βx cosh a + sin β π 1 · dx = −1 + e−a cos β + cosh a sin β ln x2 + 1 sinh π x 2 2 cosh a − sin β cos β 2 + sinh a cos β arctan sinh a + , π |Re β| < , a > 0 2 BI (389)(17) 520 Trigonometric Functions ∞ 14. 0 4.116 1. 4.116 cos ax cosh βx e−2a sin 2β −a −a · dx = ae cos β + βe sin β + sinh a sin β arctan x2 + 1 cosh π x 1 + e−2a cos 2β 1 2 + cosh a cos β ln 1 + 2e−2a cos 2β + e−4a 2 , + π |Re β| < , a > 0 ET I 34(37) 2 ∞ 6 x cos 2ax tanh x dx the integral is divergent BI (364)(2) [Re β > 0, BI (387)(8) 0 ∞ 2. cos ax tanh βx 0 4.117 ∞ 1. 0 2. 3. 4. 5. aπ dx = ln coth x 4β sin ax πx dx = a cosh a − sinh a ln (2 sinh a) tanh 1 + x2 2 [a > 0] BI (388)(3) ∞ π sin ax πx a dx = − ea + sinh a ln coth + 2 cosh a arctan (ea ) tanh 2 4 2 2 0 1+x ∞ sin ax a [a > 0] coth πx dx = e−a − sinh a ln 1 − e−a 2 2 0 1+x ∞ a sin ax π [a > 0] coth x dx = sinh a ln coth 2 1 + x 2 2 0 ∞ x cos ax π tanh x dx = −ae−a − cosh a ln 1 − e−2a 2 1+x 2 0 ∞ 0 0 ∞ 8. 0 ∞ 9. 0 BI (389)(6) BI (388)(7) x cos ax π π a tanh x dx − ea + cosh a ln coth + 2 sinh a arctan (ea ) 1 + x2 4 2 2 x cos ax a 1 coth πx dx = − e−a − − cosh a ln 1 − e−a 2 1+x 2 2 a x cos ax π coth x dx = −1 + cosh a ln coth 2 1+x 2 2 BI (388)(8) BI (389)(15)a, ET I 33(31)a [a > 0] BI (389)(12) π x cos ax π a coth x dx = −2 + e−a + cosh a ln coth + 2 sinh a arctan e−a 2 1+x 4 2 2 [a > 0] BI (389)(5) [a > 0] ∞ 7. BI (388)(4) [a > 0] 6. BI (389)(13) ∞ 1 x sin ax 1 1 π πa coth πa − 1 dx = 2 1 2 sinh 2 πa 2 2 0 ∞ cosh x pπ 1 − cos px dx · = ln cosh 4.119 sinh qx x 2q 0 4.1188 a > 0] ET I 89(14) BI (387)(2)a 4.123 Trigonometric and hyperbolic functions and powers 521 4.121 ∞ 1. 0 ∞ 2. 0 sin ax − sin bx dx · = 2 arctan cosh βx x bπ aπ − exp 2β 2β (a + b)π 1 + exp 2β exp bπ cos ax − cos bx dx 2β · = ln aπ sinh βx x cosh 2β [Re β > 0] GW (336)(19b) [Re β > 0] GW (336)(19a) cosh 4.122 γπ sinh cos βx sin γx dx 2δ · = arctan βπ cosh δx x 0 cosh 2δ ∞ 1 cosh 2aπ + cos βπ cosh βx dx 2 · = ln sin ax sinh x x 4 1 + cos βπ 0 1.6 2. 4.123 ∞ ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 ∞ 4. 0 ∞ 5. 0 [Re δ > |Im β| + |Im γ|] [|Re β| < 1] ET I 93(46)a BI (387)(7) x dx sin x 1 1 · = arctan − cosh ax + cos x x2 − π 2 a a BI (390)(1) x dx sin x a 1 · 2 = − arctan 2 2 cosh ax − cos x x − π 1+a a BI (390)(2) x dx sin 2x 1 1 + 2a2 1 · 2 · = − arctan 2 cosh 2ax − cos 2x x − π 2a 1 + a2 a BI (390)(4) x dx cosh ax sin x −1 · = cosh 2ax − cos 2x x2 − π 2 2a (1 + a2 ) LI (390)(3) dx cos ax πe−aγ · 2 = 2 cosh πx + cos πβ x + γ 2γ (cos γπ + cos βπ) ∞ e−(2k+1−β)a e−(2k+1+β)a 1 − 2 + sinh βπ γ 2 − (2k + 1 − β)2 γ − (2k + 1 + β)2 k=0 [0 < Re β < 1, ∞ 6. 0 7. 0 ∞ Re γ > 0, a > 0] ET I 33(27) ∞ sin ax sinh bx Γ(p) a (−1)k xp−1 dx = p arctan p sin cos 2ax + cosh 2bx b (2k + 1)p (a2 + b2 ) 2 k=0 sin ax2 sin sinh 1 ∂ ϑ1 (z | q) · x dx = cos πx + cosh πx 4 ∂z πx 2 πx 2 [p > 0] BI (364)(8) z=0,q=e−2a [a > 0] ET I 93(49) 522 4.124 Trigonometric Functions 1 1. 0 √ cos px cosh q 1 − x2 π √ dx = J 0 p2 − q 2 2 1 − x2 ∞ 2. u 4.125 ∞ 1. 0 dx π cos ax cosh β (u2 − x2 ) · √ = J0 2 2 2 u −x 4.124 MO (40) u ET I 34(38) a2 − β 2 (−1)n−1 a2n−1 π dx a2 = sinh (a sin x) cos (a cos x) sin x sin 2nx 1+ x (2n − 1)! 8 2n(2n + 1) LI (367)(14) ∞ (−1)n−1 a2(n−1) π dx a2 = cosh (a sin x) cos (a cos x) sin x cos(2n − 1)x 1− x [2(n − 1)]! 8 2n(2n − 1) 0 2. LI (367)(15) ∞ 3. sinh (a sin x) cos (a cos x) cos x cos 2nx 0 ∞ (−1)n a2n+1 3π dx π (−1)k a2k+1 = + x 2 (2k + 1)! (2n + 1)! 8 k=n+1 (−1)n−1 a2n−1 π + (2n − 1)! 8 LI (367)(21) 4.126 1. ∞ sin (a cos bx) sinh (a sin bx) 0 [b > 0] ∞ 2. sin (a cos bx) cosh (a sin bx) 0 cos (a cos bx) sinh (a sin bx) 0 BI (381)(2) dx π cos (a cos bc) sinh (a sin bc) = c2 − x2 2c [b > 0, ∞ 3. x dx π = [cos (a cos bc) cosh (a sin bc) − 1] 2 −x 2 c2 c > 0] BI (381)(1) x dx π = [a cos bc − sin (a cos bc) cosh (a sin bc)] 2 −x 2 c2 [b > 0] ∞ 4. cos (a cos bx) cosh (a sin bx) 0 BI (381)(4) dx π = − sin (a cos bc) sinh (a sin bc) c2 − x2 2c [b > 0] BI (381)(3) 4.13 Combinations of trigonometric and hyperbolic functions and exponentials 4.131 1. 0 ∞ sin ax sinhν γxe−βx dx = − ⎧ i Γ(ν + 1) ⎨ Γ 2ν+2 γ ⎩Γ β−νγ−ai 2γ β+νγ−ai 2γ [Re ν > −2, +1 − Re γ > 0, Γ Γ β−νγ+ai 2γ β+γν+ai 2γ ⎫ ⎬ +1 ⎭ |Re(γν)| < Re β] ET I 91(30)a 4.133 Trigonometric and hyperbolic functions and exponentials ∞ 2. cos ax sinhν γxe−βx dx = 0 ⎧ Γ(ν + 1) ⎨ Γ 2ν+2 γ ⎩ Γ β−νγ−ai 2γ β+γν−ai 2γ [Re ν > −1, ∞ 3. e−βx 0 ∞ 4. 0 4.132 ∞ 1. 0 ∞ 2. 0 e−x ∞ 2a sin ax dx = 2 2 sinh γx a + [β + (2k − 1)γ] k=1 β + γ + ia 1 = ψ −ψ 2γi 2γ +1 − β−νγ+ai 2γ Γ Γ β+νγ+ai 2γ ∞ 3. 0 ∞ 4. 0 ∞ 0 β + γ − ia 2γ [Re β > |Re γ|] π aπ 1 sin ax dx = coth − sinh x 2 2 a ∞ 1.11 0 sinh 2πa sin ax sinh βx a π γ dx = − + · 2πβ eγx − 1 2 (a2 + β 2 ) 2γ cosh 2πa γ − cos γ β a a β i +i +1 −ψ −i +1 + ψ 2γ γ γ γ γ [Re γ > |Re β|, a > 0] 2.11 0 ET I 92(33) sinh 2πa a π sin ax cosh βx γ dx = − + · eγx − 1 2 (a2 + β 2 ) 2γ cosh 2πa − cos 2πβ γ γ a π sin ax cosh βx dx = − · eγx + 1 2 (a2 + β 2 ) γ BI (265)(5)a, ET I 92(34) βπ sinh aπ γ cos γ 2βπ cosh 2aπ γ − cos γ ET I 92(35) sin 2πβ β π cos ax sinh βx γ dx = − · eγx − 1 2 (a2 + β 2 ) 2γ cosh 2aπ − cos 2βπ γ γ LI (265)(8) πβ πa β π sin γ cosh γ cos ax sinh βx dx = − + 2βπ eγx + 1 2 (a2 + β 2 ) γ cosh 2aπ γ − cos γ sin ax sinh βx exp − x2 4γ dx = cos ax cosh βx exp − 2 x 4γ dx = ET I 34(39) √ πγ exp γ β 2 − a2 sin(2aβγ) [Re γ > 0] ∞ ET I 91(28) ET I 91(29) [Re γ > |Re β|] 4.133 ET I 34(40)a BI (264)(9)a [Re γ > |Re β|] 5. +1 ⎭ [Re γ > |Re β|] ⎫ ⎬ |Re(γν)| < Re β] Re γ > 0, [Re γ > |Re β|] 523 ET I 92(37) √ πγ exp γ β 2 − a2 cos(2aβγ) [Re γ > 0] ET I 35(41) 524 4.134 Trigonometric Functions ∞ 1. e−βx (cosh x − cos x) dx = 2 0 ∞ 2. e−βx (cosh x − cos x) dx = 2 0 4.135 ∞ −βx2 sin ax cosh 2γxe 1. 0 ∞ 2. 1 π cosh β 4β [Re β > 0] ME 24 1 π sinh β 4β [Re β > 0] ME 24 . 2 1 dx = 2 4 π2 βγ 2 exp − a2 + β 2 a2 + β 2 2 0 1 2 sin 4 a2 π2 βγ 2 exp − 2 2 +β a + β2 cos [Re β > 0] 4.136 ∞ 1. 0 √ 4 2π sinh2 x + sin x2 e−βx dx = √ I 14 4 β √ ∞ −βx4 2π 2 2 sinh x − sin x e dx = √ I 14 4 β 0 2. 1 8β 1 8β √ ∞ −βx4 2π 2 2 cosh x + cos x e dx = √ I − 14 4 β 0 √ ∞ −βx4 2π 2 2 cosh x − cos x e dx = √ I − 14 β 4 0 4. sinh cosh sinh ∞ 1. 0 0 3. 0 1 β cos sin 2x2 cosh 2x2 e−βx dx = 4 4 π 128β 2 J 14 1 β cos cos 2x2 sinh 2x2 e−βx dx = 4 4 −π 128β 2 J 14 1 β sin ME 24 ME 24 MI 32 1 π − β 4 [Re β > 0] ∞ ME 24 1 π + β 4 [Re β > 0] ∞ 2. 4 π sin 2x2 sinh 2x2 e−βx dx = J − 14 4 128β 2 ME 24 1 8β [Re β > 0] 4.137 LI (268)(8) 1 8β [Re β > 0] 1 8β aγ 2 a 1 + arctan + β2 2 β a2 1 8β [Re β > 0] 1 8β LI (268)(7) 1 8β cosh [Re β > 0] 3. aγ 2 a 1 + arctan 2 2 a +β 2 β [Re β > 0] . cos ax2 cosh 2γxe−βx dx = 4.134 MI 32 1 π − β 4 [Re β > 0] MI 32 4.141 Trigonometric and hyperbolic functions, exponentials, and powers ∞ 4. 0 4 π cos 2x2 cosh 2x2 e−βx dx = J − 14 4 128β 2 1 β 525 1 π + β 4 sin [Re β > 0] 4.138 ∞ 1. 0 0 cos 1 β 2 4 π sin 2x cosh 2x2 − cos 2x2 sinh 2x2 e−βx dx = J1 4 32β 2 4 MI 32 1 β sin 1 β [Re β > 0] ∞ 3. 0 1 β [Re β > 0] ∞ 2. 2 4 π sin 2x cosh 2x2 + cos 2x2 sinh 2x2 e−βx dx = J1 4 32β 2 4 MI 32 2 4 π cos 2x cosh 2x2 + sin 2x2 sinh 2x2 e−βx dx = J − 14 4 32β 2 MI 32 1 β cos 1 β [Re β > 0] ∞ 4. 0 2 4 π cos 2x cosh 2x2 − sin 2x2 sinh 2x2 e−βx dx = J − 14 4 32β 2 [Re β > 0] MI 32 1 β sin 1 β MI 32 4.14 Combinations of trigonometric and hyperbolic functions, exponentials, and powers 4.141 ∞ −βx2 xe 1. 0 ∞ 2. 1 cosh x sin x dx = 4 xe−βx sinh x cos x dx = 2 0 ∞ 3. x2 e−βx cosh x cos x dx = 2 0 4. 0 ∞ 1 4 x2 e−βx sinh x sin x dx = 2 1 4 1 4 π β3 π β3 π β3 cos cos 1 1 + sin 2β 2β [Re β > 0] MI 32 [Re β > 0] MI 32 1 1 − sin 2β 2β cos 1 1 1 − sin 2β β 2β [Re β > 0] π β3 sin MI 32 1 1 1 + cos 2β β 2β [Re β > 0] MI 32 526 4.142 Trigonometric Functions ∞ 1. xe−βx (sinh x + sin x) dx = 2 0 2. 3. ∞ 1 2 4.142 π 1 cosh β3 4β [Re β > 0] ME 24 π 1 [Re β > 0] sinh 3 β 4β 0 ∞ 1 1 1 π 1 2 −βx2 + sinh x e (cosh x + cos x) dx = cosh 3 2 β 4β 2β 4β 0 ∞ 4. xe−βx (sinh x − sin x) dx = 2 1 2 x2 e−βx (cosh x − cos x) dx = 2 0 1 2 ME 24 [Re β > 0] π β3 sinh ME 24 1 1 1 + cosh 4β 2β 4β [Re β > 0] 4.143 ∞ −βx2 xe 1. 0 ∞ 2. 1 (cosh x sin x + sinh x cos x) dx = 2β xe−βx (cosh x sin x − sinh x cos x) dx = 2 0 ∞ 4.144 e−x sinh x2 cos ax 2 0 4.145 ∞ 1. −βx2 xe 0 ∞ 2. dx = x2 1 2β 1 π cos β 2β [Re β > 0] xe−βx sinh (2ax sin t) cos (2ax cos t) dx = 2 0 a 2 [Re β > 0] a √ 8 [a > 0] ∞ 1.8 e−βx sinh ax sin bx dx = 2 0 2.8 0 ∞ e−βx cosh ax cos bx dx = 2 1 2 1 2 π exp β a2 − b 2 4β π exp β a −b 4β ET I 35(44) [Re β > 0] 2 BI (363)(5) 2 a π a sin 2t exp − cos 2t sin t − β3 β β sin ab 2β [Re β > 0] 2 MI 32 a2 π a2 cos 2t cos t − sin 2t exp − β3 β β [Re β > 0] 4.14610 MI 32 1 π sin β 2β π − a2 πa e 8 − 1−Φ 2 4 a cosh (2ax sin t) sin (2ax cos t) dx = 2 ME 24 2 cos ab 2β [Re β > 0] BI (363)(6) 4.212 Logarithmic functions ∞ 3. −βx2 xe 0 ∞ 4. a cosh ax sin ax dx = 4β xe−βx sinh ax cos ax dx = 2 0 ∞ 5.8 a 4β x2 e−βx cosh ax sin ax dx = 2 0 ∞ 6.8 x2 e−βx cosh ax cos ax dx = 2 0 1 4 1 4 π β cos 527 a2 a2 + sin 2β 2β [Re β > 0] π β 2 cos 2 a a − sin 2β 2β [Re β > 0] π β3 sin a2 a2 a2 + cos 2β β 2β [Re β > 0] π β3 2 cos 2 a a2 a − sin 2β β 2β [Re β > 0] 4.2–4.4 Logarithmic Functions 4.21 Logarithmic functions 4.211 1. ∞ dx = −∞ 1 e ln x u dx = li u 0 ln x 2. 4.212 1 1.7 0 1 2. 0 3. 1 7 1 4. 5. 1 8 1 6. 7. 1 BI (31)(4) dx = −ea Ei(−a) a − ln x [a > 0] BI (31)(5) [a ≥ 0] BI (31)(14) [a > 0] BI (31)(16) dx 1 = − + e−a Ei(a) a (a + ln x) dx e 1 + ea Ei(−a) a 2 = 2 = 1 + (1 − a)e−a Ei(a) [a ≥ 0] BI (31)(15) 2 = 1 + (1 + a)ea Ei(−a) [a > 0] BI (31)(17) 2 = ln x dx ln x dx (a − ln x) 0 [a > 0] (a + ln x) 0 dx = e−a Ei(a) a + ln x (a − ln x) 0 FI III 653, FI II 606 2 0 BI (33)(9) ln x dx (1 + ln x) e −1 2 BI (33)(10) 528 Logarithmic Functions 8. 1 7 0 4.213 n−1 dx 1 1 e−a Ei(a) − (n − k − 1)!ak−n n = (n − 1)! (n − 1)! (a + ln x) k=1 [a ≥ 0] 1 9. 0 BI (31))(22) n−1 dx (−1)n a (−1)n−1 e = Ei(−a) + (n − k − 1)!(−a)k−n n (n − 1)! (n − 1)! (a − ln x) k=1 [a > 0, n odd] BI (31)(23) m (ln x) dx, it is convenient to make the substitution x = e−t . n l [an + (ln x) ] Results 4.212 3, 4.212 5, and 4.212 8 [for n > 1] and 4.213 6, 4.213 8 below are divergent but may be considered to be valid if defined as follows: a a n−1 f (z) dz f (z) d 1 dz PV n = (n − 1)! dz0 0 (z − z0 ) 0 z − z0 where a > z0 > 0, n = 1, 2, 3, . . . and PV indicates the Cauchy principal value. 4.213 1 dx 1 [a > 0] 1. BI (31)(6) 2 = a [ci(a) sin a − si(a) cos a] 2 0 a + (ln x) 1 dx 1 −a 2.7 Ei(a) − ea Ei(−a) [a > 0] , (cf. 4.212 1 and 2) 2 = 2a e 2 0 a − (ln x) In integrals of the form BI (31)(8) 1 3. 0 ln x dx a2 + (ln x) 1 4.7 = ci(a) cos a + si(a) sin a 2 =− ln x dx a2 − (ln x) 0 2 1 −a e Ei(a) + ea Ei(−a) 2 [a > 0] [a > 0] , BI (31)(7) (cf. 4.212 1 and 2) BI (31)(9) 1 + 5. 0 dx 2 a2 + (ln x) ,2 = 1 1 [ci(a) sin a − si(a) cos a] − 2 [ci(a) cos a + si(a) sin a] 3 2a 2a [a > 0] 1 6.8 + 0 1 + 7. 0 dx 2 a2 − (ln x) ln x dx 2 a2 + (ln x) ,2 ,2 = is divergent 1 1 [ci(a) sin a − si(a) cos a] − 2 2a 2a [a > 0] 8.8 0 1 + ln x dx 2 a2 − (ln x) ,2 LI (31)(18) is divergent BI (31)(19) 4.221 4.214 Logarithms of more complicated arguments 1 1. 0 dx a4 − (ln x) 4 =− 1 a e Ei(−a) − e−a Ei(a) − 2 ci(a) sin a + 2 si(a) cos a 4a3 [a > 0] 1 2. ln x dx a4 0 − (ln x) 4 =− 1 3. 2 (ln x) dx a4 − (ln x) 0 4 =− 1 3 (ln x) dx a4 0 − (ln x) 4 =− 1 1. ln 0 2. 3. 4. 4.216 1. 2.∗ 1 x BI (31)(13) μ−1 dx = Γ(μ) [Re μ > 0] FI II 778 [Re μ < 1] BI (31)(1) 1 dx π cosec μπ μ = Γ(μ) 1 0 ln x √ 1 π 1 ln dx = x 2 0 1 √ dx = π 1 0 ln x BI (31)(12) 1 a e Ei(−a) + e−a Ei(a) + 2 ci(a) cos a + 2 si(a) sin a 4 [a > 0] 4.215 BI (31)(11) 1 a e Ei(−a) − e−a Ei(a) + 2 ci(a) sin a − 2 si(a) cos a 4a [a > 0] 4.7 BI (31)(10) 1 a e Ei(−a) + e−a Ei(a) − 2 ci(a) cos a − 2 si(a) sin a 2 4a [a > 0] 529 BI (32)(1) BI (32)(3) 1/e dx < = K 0 (1) 2 0 (ln x) − 1 √ 1/e π dx √ = e − ln x − 1 0 GW (32)(2) 4.22 Logarithms of more complicated arguments 4.221 1 1. ln x ln(1 − x) dx = 2 − π2 6 BI (30)(7) ln x ln(1 + x) dx = 2 − π2 − 2 ln 2 12 BI (30)(8) 0 2. 0 1 530 Logarithmic Functions ∞ 1 3. ln 0 4.222 ln(1 + k) 1 − ax dx =− ak 1 − a ln x k ∞ ln 0 a2 + x2 dx = (a − b)π b2 + x2 ∞ 2. ln x ln 0 a2 + x2 aa dx = π(b − a) + π ln b2 + x2 bb ∞ 3. ln x ln 1 + 0 ∞ 4. 2 2 ln 1 + a x 0 ∞ 0 0 ∞ 7. ∞ a2 x2 ln a2 + 0 8.∗ dx = πb (ln b − 1) GW (322)(20) [a > 0, b > 0] BI (33)(1) [b > 0] b2 ln 1 + 2 x b > 0] 1 + ab ln(1 + ab) − b dx = 2π a ln 1 + 1 x2 b x2 0 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 4.224 b % [a > 0, [a > 0, b > 0] b! (−1)b−m−1 1/a 1 e Ei − b−m (b − m)! a a m=0 + b−m k=1 BI (33)(7) (k − 1)! (−a)b−m−k & an integer] π2 ln 1 − e−x dx = − 6 BI (256)(11) t2 π2 − ln 1 + 2e−x cos t + e−2x dx = 6 2 u π π −u −L 2 2 π/4 ln sin x dx = − 0 BI (33)(5) BI (256)(10) 0 2. BI (33)(4) π2 ln 1 + e−x dx = 12 ln sin x dx = L 1. b > 0] b > 0] 1 + ab ln(1 + ab) − b ln b dx = 2π a [b > 0, 4.223 BI (33)(3) dx = 2π [(a + b) ln(a + b) − a ln a − b ln b] 2 ln (1 + ax) xb e−x dx = b > 0] dx = 2π [(a + b) ln(a + b) − a ln a − b] b2 x2 ln 1 + BI (33)(2) [a > 0, ln 1 + b2 x2 b2 ln a2 + x2 ln 1 + 2 x ∞ 6. BI (31)(3) [a > 0, [a > 0, 5. [a < 1] k=1 1. 4.222 1 π ln 2 − G 4 2 [|t| < π] BI (256)(18) LO III 186(15) BI (285)(1) 4.225 Logarithms of more complicated arguments π/2 3. ln sin x dx = 0 1 2 π ln sin x dx = − 0 531 π ln 2 2 FI II 629,643 u ln cos x dx = − L(u) 4. LO III 184(10) 0 π/4 ln cos x dx = − 5. 0 1 π ln 2 + G 4 2 BI (286)(1) π/2 π ln 2 2 0 π/2 π π2 2 2 (ln sin x) dx = (ln 2) + 2 12 0 π/2 π π2 2 2 (ln cos x) dx = (ln 2) + 2 12 0 √ π a + a2 − b 2 ln (a + b cos x) dx = π ln 2 0 π ln (1 ± sin x) dx = −π ln 2 ± 4G ln cos x dx = − 6. 7. 8. 9.8 10. BI 306(1) BI (305)(19) BI (306)(14) [a ≥ |b| > 0] GW (322)(15) GW (322)(16a) 0 ∞ k k b (−1)n+1 π a [a > 0] 11. ln (1 + a sin x) dx = ln + 2G + 2 2 2 k n=1 2n − 1 0 k=1 π = − ln 2 + 2G [a = 1] 2 √ π 2 1 + 1 − a2 12. a ≤1 ln (1 + a cos x) dx = π ln 2 0 ⎧ √ 2 ⎪ π ⎨2π ln 1 + 1 − a for a2 ≤ 1 2 2 12 (1) ln (1 + a cos x) dx = ⎪ 0 ⎩ π a2 for a2 ≥ 1 2 ln 4 π/2 ∞ 2k+1 2 2a 22k (k!) 13. ln 1 + 2a sin x + a2 dx = (2k + 1) · (2k + 1)!! 1 + a2 0 k=0 2 a ≤1 nπ 14.11 ln a2 − 2ab cos x + b2 dx = 2nπ ln [max (|a|, |b|)] π/2 7 b= 1−a 1+a BI (330)(1) BI (308)(24) 0 15.8 [ab > 0] nπ ln 1 − 2a cos x + a2 dx = 0 0 = nπ ln a2 4.225 π/4 ln (cos x − sin x) dx = − 1. 0 1 π ln 2 − G 8 2 a2 ≤ 1 a2 ≥ 1 FI II 142, 163, 688 GW (322)(9b) 532 Logarithmic Functions π/4 2. ln (cos x + sin x) dx = 0 1 2 π/2 ln (cos x + sin x) dx = − 0 2π 3. ln (1 + a sin x + b cos x) dx = 2π ln 1+ 0 2π 4. 4.226 √ 1 − a2 − b 2 2 1 π ln 2 + G 8 2 a2 + b 2 < 1 ln 1 + a2 + b2 + 2a sin x + 2b cos x dx = 0 = 2π ln a2 + b2 0 GW (322)(9a) BI (332)(2) a2 + b 2 ≤ 1 a2 + b 2 ≥ 1 BI (322)(3) 4.226 π/2 1. 2 ln a2 − sin2 x dx = −2π ln 2 0 = 2π ln a+ √ a2 − 1 = 2π (arccosh a − ln 2) 2 a2 ≤ 1 [a > 1] FI II 644, 687 π/2 2. 0 3. 4. u u π/2 1 π ln 1 + a sin2 x dx = ln 1 + a sin2 x dx = ln 1 + a cos2 x dx 2 0 0 √ 1 π 1+ 1+a 2 = ln 1 + a cos x dx = π ln 2 0 2 BI (308)(15), GW(322)(12) [a ≥ −1] α ln 1 − sin2 α sin2 x dx = (π − 2θ) ln cot + 2u ln 2 1 π sin α − ln 2 2 2 0 π − 2u + L(θ + u) − L(θ − u) + L 2 + π π, cot θ = cos α tan u; −π ≤ α ≤ π, − ≤ u ≤ LO III 287 2 2 % & π/2 2 α β β 1 2 2 2 2 2 α + cos4 + sin cos2 ln 1 − cos x sin α − sin β sin x dx = π ln cos 2 2 2 2 2 0 [α > β > 0] 2 ln 1 − 5. 0 sin x sin2 α dx = −u ln sin2 α − L LO III 283 π π −α+u +L −α−u 2 , + π 2 π − ≤ u ≤ , |sin u| ≤ |sin α| 2 2 LO III 287 6. 0 π/2 1 ln a2 cos2 x + b2 sin2 x dx = 2 0 π a+b ln a2 cos2 x + b2 sin2 x dx = π ln 2 [a > 0, b > 0] GW (322)(13) 4.227 Logarithms of more complicated arguments π/2 7. 0 4.227 t 1 + sin π−t 1 + sin t cos2 x 2 dx = π ln = π ln cot ln 2 t 1 − sin t cos x 4 cos 2 + π, |t| < 2 u π π −u −L 2 2 ln tan x dx = L(u) + L 1. 0 π/4 2. 0 BI (286)(11) 4 ln (a tan x) dx = 0 4. LO III 283 LO III 186(16) π ln tan x dx = − π2 ln tan x dx = −G π/2 3. 533 π/4 7 π ln a 2 n [a > 0] n (ln tan x) dx = n!(−1) 0 = 1 2 π 2 ∞ k=0 n+1 BI (307)(2) (−1)k (2k + 1)n+1 |En | [n even] BI (286)(21) π/2 5.7 (ln tan x) 2n dx = 2(2n)! 0 ∞ k=0 π/2 6. (ln tan x) 2n+1 k π (−1) = 2n+1 (2k + 1) 2 2n+1 |E2n | BI (307)(15) dx = 0 BI (307)(14) π3 16 BI (286)(16) 5 5 π 64 BI (286)(19) 0 π/4 7. 2 (ln tan x) dx = 0 π/4 8. 4 (ln tan x) dx = 0 π/4 9. ln (1 + tan x) dx = π ln 2 8 BI (287)(1) ln (1 + tan x) dx = π ln 2 + G 4 BI (308)(9) ln (1 − tan x) dx = π ln 2 − G 8 BI (287)(2) 0 π/2 10. 0 π/4 11. 0 π/2 2 (ln (1 − tan x)) dx = 12.11 0 π/4 13. 14. 0 BI (308)(10) ln (1 + cot x) dx = π ln 2 + G 8 BI (287)(3) ln (cot x − 1) dx = π ln 2 8 BI (287)(4) 0 π ln 2 − 2G 2 π/4 534 Logarithmic Functions π/4 15. ln (tan x + cot x) dx = 0 π/4 1 2 2 (ln (cot x − tan x)) dx = 16.11 0 4.228 π/2 ln (tan x + cot x) dx = 0 1 2 π/2 π ln 2 2 2 (ln (cot x − tan x)) dx = 0 BI (287)(5), BI (308)(11) π ln 2 2 BI (287)(6), BI (308)(12) π/2 17. 0 1 ln a2 + b2 tan2 x dx = 2 π ln a2 + b2 tan2 x dx = π ln(a + b) 0 [a > 0, 4.228 π/2 1. ln sin t sin x + 0 u 2. ln cos x + 1 − cos2 t sin2 x dx = cos2 x − cos2 t dx = − 0 π ln 2 − 2 L 2 t 2 b > 0] − 2L GW (322)(17) π−t 2 LO III 290 1 1 π − t − ϕ ln cos t + L(u + ϕ) − L(u − ϕ) − L(ϕ) 2 2 2 sin u π cos ϕ = 0≤u≤t≤ sin t 2 LO III 290 3. 4. π − t ln cos t ln cos x + cos2 x − cos2 t dx = − 2 0 & % u t sin u + sin t cos x sin2 u − sin2 x t 2 2 sin u + 1 ln dx = π ln tan sin u + tan 2 2 0 sin u − sin t cos x sin2 u − sin2 x t [t > 0, u > 0] √ ∞ π/4 √ π (−1)k ln cot x dx = 2 (2k + 1)3 0 k=0 π/4 ∞ √ dx (−1)k √ √ = π 2k + 1 ln cot x 0 k=0 π/4 √ √ √ √ 1 1 π/2 π ln tan x + cot x dx = ln tan x + cot x dx = ln 2 + G 2 8 2 0 0 LO III 285 LO III 283 5. 6. 7. BI (297)(9) BI (304)(24) BI (287)(7), BI (308)(22) π/4 ln2 8. 0 √ √ 1 cot x − tan x dx = 2 π/2 ln2 0 √ √ π cot x − tan x dx = ln 2 − G 4 BI (287)(8), BI (308)(23) 4.229 1 1. ln ln 0 2.11 PV 0 1 1 x dx = −C dx 1 ln ln x FI II 807 = PV 0 ∞ −u e du ≈ −0.154479 ln u BI (31)(2) 4.231 Logarithms and rational functions 1 3. ln ln 1 x dx ln ln 1 x ln 0 1 4.11 0 5.7 1 ln x 1 x 535 √ = − (C + 2 ln 2) π BI (32)(4) μ−1 dx = ψ(μ) Γ(μ) [Re μ > 0] BI (30)(10) If the integrand contains (ln ln x1 ), it is convenient to make the substitution ln x1 = u so that x = e−u . 1 ln (a + ln x) dx = ln a − e−a Ei(a) [a > 0] BI (30)(5) 0 1 ln (a − ln x) dx = ln a − ea Ei(−a) 6. 0 π/2 7. π/4 π ln ln tan x dx = ln 2 [a > 0] BI (30)(6) Γ 34 √ 2π Γ 14 BI (308)(28) 4.23 Combinations of logarithms and rational functions 4.231 1 1. 0 1 2. 0 1 3. 0 1 4. 0 π2 ln x dx = − 1+x 12 FI II 483a π2 ln x dx = − 1−x 6 FI II 714 π2 x ln x dx = 1 − 1−x 6 BI (108)(7) π2 1+x ln x dx = 1 − 1−x 3 BI (108)(9) ∞ 5.11 0 6. 0 7. 1 ∞ 0 ∞ 9. 0 0 √ Γ n − 12 π 1 dx a −C−ψ n− ln x 2 2 ln n = 4(n − 1)!a2n−1 b 2b 2 (a + b2 x2 ) ln x dx a π ln = 2 2 +b x 2ab b [ab > 0] ln px π ln pq dx = q 2 + x2 2q [p > 0, ln x dx π2 = − a2 − b2 x2 4ab [ab > 0] a2 0 10. BI (139)(1) BI (111)(1) [a > 0, ∞ 8. [0 < a] ln x dx = − ln 2 (1 + x)2 7 ln x dx ln a = 2 (x + a) a ∞ b > 0] LI (139)(3) BI (135)(6) q > 0] BI (135)(4) 536 Logarithmic Functions 11. 12. 13. 14. 15. 16. a ln x dx π ln a G − = 2 + a2 x 4a a 0 1 ∞ ln x ln x dx = − dx = −G 2 1 + x 1 + x2 0 1 1 ln x dx π2 = − 2 8 0 1−x 1 x ln x π2 dx = − 2 48 0 1+x 1 x ln x π2 dx = − 2 24 0 1−x 1 n 1 − x2n+2 (n + 1)π 2 n − k + 1 + ln x dx = − 2 8 (2k − 1)2 (1 − x2 ) 0 ln x 0 BI (111)(2) 1 − xn+1 (n + 1)π 2 n − k + 1 + dx = − (1 − x)2 6 k2 BI (111)(3) π2 x ln x dx = −1 + 1+x 2 1 π2 (1 − x) ln x dx = 1 − 1+x 6 υ ln uυ (u + υ)2 ln x dx = ln (x + u)(x + υ) 2(υ − u) 4uυ 1. u BI (111)(5) n−k+1 1 + (−1)n xn+1 (n + 1)π 2 − dx = − (−1)k 2 (1 + x) 12 k2 1 0 4.232 GW (324)(7b) k=1 0 20.∗ BI (108)(11) n 1 ln x FI II 482, 614 k=1 18. GW (324)(7b) n 1 0 19.∗ [a > 0] k=1 17. 4.232 ∞ 2. 0 2 BI (145)(32) 2 ln x dx (ln β) − (ln γ) = (x + β)(x + γ) 2(β − γ) [|arg β| < π, |arg γ| < π] ET II 218(24) ∞ 3. 0 4.233 1. 3 2.3 3.11 4.3 2 π 2 + (ln a) ln x dx = x+ax−1 2(a + 1) [a > 0] 1 ln x dx 2 2π 2 −ψ = = −0.7813024129 . . . 2 9 3 3 0 1+x+x 1 1 ln x dx 1 2π 2 − ψ = = −1.17195361934 . . . 2 3 3 3 0 1−x+x 1 1 x ln x dx 1 7π 2 − ψ = − = −0.15766014917 . . . 2 9 6 3 0 1+x+x 1 1 x ln x dx 1 5π 2 −ψ = = −0.3118211319 . . . 2 6 6 3 0 1−x+x BI (140)(10) 1 LI (113)(1) LI (113)(2) LI (113)(2) LI (113)(4) 4.236 Logarithms and rational functions ∞ 5. 0 4.234 ∞ 1.11 2 1 2. x ln x dx ∞ 3. ∞ 4. 1 5. 0 ∞ 0 ∞ 7. 0 1. 2. 3.11 4. 4.236 2 ln x dx = − BI (142)(2)a π 2 BI (142)(1)a BI (112)(21) bπ a ln x dx = ln (a2 + b2 x2 ) (1 + x2 ) 2a (b2 − a2 ) b ln x dx π · = x2 + a2 1 + b2 x2 2 (1 − a2 b2 ) ∞ (a2 0 4.235 BI (111)(4) [ab > 0] x2 ln x dx aπ b = ln + b2 x2 ) (1 + x2 ) 2b (b2 − a2 ) a [ab > 0] π (1 − x)xn−2 π2 [n > 1] dx = − 2 tan2 2n 1 − x 4n 2n 0 ∞ 1 − x2 xm−1 π 2 sin m+1 π sin nπ n ln x dx = − 2 2 mπ 2 m+2 1 − x2n 4n sin 2n sin 0 2n π ∞ 1 − x2 xn−3 π π2 [n > 2] ln x dx = − 2 tan2 2n 1 − x 4n n 0 1 xm−1 + xn−m−1 π2 ln x dx = − [n > m] 1 − xn n2 sin2 m 0 nπ 1 1. 0 2. 0 b > 0] LI (140)(12) LI (140)(12), BI (317)(15)a ∞ ln x BI (317)(16)a 1 ln a + b ln b a [a > 0, 8. GW (324)(13c) 1 = − ln 2 4 π2 x2 ln x dx √ =− 2 4 (1 − x ) (1 + x ) 16 2 + 2 6. 0 < t < π] BI (144)(18)a ln x dx = 0 1 − x2 [a > 0, G π − 2 8 = 2 (1 + x2 ) 0 1 + x2 (1 − x2 ) 0 2 x2 ) (1 + 0 ln x dx (1 + x2 ) 1 ln x dx t ln a = x2 + 2xa cos t + a2 a sin t 537 1 1 + (p − 1) ln x x ln x + 1−x (1 − x)2 1 x ln x + 1 − x (1 − x)2 dx = LI (135)(12) BI (135)(11) BI (108)(15) xp−1 dx = −1 + ψ (p) [p > 0] BI (135)(10) π2 −1 6 BI (111)(6)a, GW (326)(13) GW (326)(13a) 538 Logarithmic Functions 4.241 4.24 Combinations of logarithms and algebraic functions 4.241 1. 2. 3. 2n x2n ln x (2n − 1)!! π (−1)k−1 √ · − ln 2 dx = (2n)!! 2 k 1 − x2 0 k=1 1 2n+1 2n+1 (−1)k x ln x (2n)!! √ dx = ln 2 + (2n + 1)!! k 1 − x2 0 k=1 1 2n 1 (2n − 1)!! π (−1)k−1 2n 2 · − − ln 2 x 1 − x ln x dx = (2n + 2)!! 2 k 2n + 2 0 1 BI (118)(5)a BI (118)(5)a k=1 1 x2n+1 4. 1 − x2 ln x dx = 0 (2n)!! (2n + 3)!! ln 2 + 2n+1 k=1 1 (−1)k − k 2n + 3 LI (117)(4), GW (324)(53a) BI (117)(5), GW (324)(53b) 5. < 1 (2n − 1)!! 2n−1 π [ψ(n + 1) + C + ln 4] ln x · (1 − x2 ) dx = − 4 · (2n)!! 0 . 6. 0 7. 8. 9. 10. 1 2 √ln x dx = − π ln 2 − 1 G 4 2 1 − x2 BI (145)(1) 1 ln x dx π √ = − ln 2 2 2 1 − x 0 ∞ ln x dx √ = 1 − ln 2 2 x2 − 1 1 x 1 π π 1 − x2 ln x dx = − − ln 2 8 4 0 1 x 1 − x2 ln x dx = 13 ln 2 − 49 0 1 11. 0 4.242 BI (117)(3) 0 2. 0 2π =− Γ 8 x (1 − x2 ) ∞ 1. b √ ln x dx ln x dx 1 4 1 K = 2 2 2 2 2a (a + x ) (x + b ) + x2 ) (b2 BI (144)(17) BI (117)(1), GW (324)(53c) BI (117)(2) 2 GW (324)(54a) √ a2 − b 2 ln ab a ln x dx (a2 FI II 614, 643 − x2 ) 1 = √ K 2 2 a + b2 [a > b > 0] b √ 2 a + b2 ln ab − [a > 0, π K 2 BY (800.04) a √ 2 a + b2 b > 0] BY (800.02) 4.247 Logarithms and algebraic functions ∞ 3. b b 4. ln x dx 1 = √ 2 a2 + b 2 (x2 + a2 ) (x2 − b2 ) 0 % ln x dx (a2 − x2 ) (b2 − x2 ) = 1 K 2a b a K a √ 2 a + b2 π ln ab + K 2 [a > 0, b > 0] √ & a2 − b 2 π ln ab − K 2 a [a > b > 0] √ a ln x dx a2 − b 2 1 K ln ab = 2a a (a2 − x2 ) (x2 − b2 ) b % √ & ∞ b ln x dx a2 − b 2 1 π K = ln ab + K 2a a 2 a (x2 − a2 ) (x2 − b2 ) a 539 b √ 2 a + b2 BY (800.06) BY (800.01) 5. 6. [a > b > 0] 1 4.243 0 4.244 1 1. 0 1 2. 0 1 3. 0 4.245 1. 2. x ln x π √ dx = − ln 2 4 8 1−x ln x dx < 2 3 x (1 − x2 ) 1 3 3 GW (324)(54b) π ln 3 + √ 3 3 x ln x dx π < = √ 2 3 3 3 (1 − x3 ) BI (118)(7) π √ − ln 3 3 3 BI (118)(8) 2n x4n+1 ln x (2n − 1)!! π (−1)k−1 √ · − ln 2 dx = (2n)!! 8 k 1 − x4 0 k=1 1 4n+3 2n+1 (−1)k x ln x (2n)!! √ ln 2 + dx = 4 · (2n + 1)!! k 1 − x4 0 BY (800.05) GW (324)(56b) 1 =− Γ 8 ln x dx π √ =− √ 3 3 3 1 − x3 BY (800.03) 1 GW (324)(56a) GW (324)(56c) k=1 1 4.246 0 1−x 2 n− % & 1 n 1 (2n − 1)!! π 2 ln x dx = − · 2 ln 2 + (2n)!! 4 k GW (324)(55) k=1 4.247 1 1.6 0 2.6 0 1 1 1 , 2n 2n π 8n2 sin 2n 1 1 , πB ln x dx 2n 2n = − π n xn−1 (1 − x2 ) 8 sin 2n ln x √ dx = − n 1 − x2n πB [n > 1] GW (324)(54c)a GW (324)(54) 540 Logarithmic Functions 4.251 4.25 Combinations of logarithms and powers 4.251 ∞ 1. 0 0 1 3.10 0 1 4. 0 ln x π dx = πaμ−1 cot μπ ln a − a−x sin2 μπ xμ−1 ln x dx = − ψ (μ) = − ζ(2, μ) 1−x [Re μ > 0] BI (108)(8) 1 BI (108)(4) 2n−1 (−1)k π2 x2n−1 dx = + ln x 1+x 12 k2 BI (108)(5) k=1 ∞ μ−1 π xμ−1 ln x dx = β ln β − γ μ−1 ln γ − π cot μπ β μ−1 − γ μ−1 (x + β)(x + γ) (γ − β) sin μπ [|arg β| < π, |arg γ| < π, 0 < Re μ < 2, μ = 1] BI (140)(9)a, ET 314(6) ∞ π xμ−1 ln x dx π − β μ−1 (sin μπ ln β − π cos μπ) = 2 (x + β)(x − 1) (β + 1) sin μπ [|arg β| < π, 0 < Re μ < 2, 2. 0 μ = 1] BI (140)(11) ∞ 3. 0 π 2 (−1)k−1 x2n dx = − + 1+x 12 k2 2n 0 ET I 314(5) GW (324)(6), ET I 314(3) 1. 0 < Re μ < 1] k=1 0 [a > 0, [Re μ > 0] ln x 11 4.252 x xμ−1 ln x dx = β (μ) x+1 0 6. 0 < Re μ < 1] μ−1 1 5.11 [|arg β| < π, BI (135)(1) ∞ 2. πβ μ−1 xμ−1 ln x dx = (ln β − π cot μπ) β+x sin μπ ∞ 4.6 0 xp−1 ln x pπ π2 cosec2 dx = − 2 1−x 4 2 xμ−1 ln x (1 − μ)aμ−2 π dx = 2 (x + a) sin μπ [0 < p < 2] ln a − π cot μπ + 1 μ−1 [|arg a| < π (see also 4.254 2) 0 < Re μ < 2 (μ = 1)] GW (324)(13b) 4.253 1 ν−1 xμ−1 (1 − xr ) 1.8 0 ln x dx = + , μ μ μ 1 , ν ψ + ν B − ψ r2 r r r [Re μ > 0, Re ν > 0, r > 0] GW (324)(3b)a, BI (107)(5)a 2. 0 1 xp−1 π ln x dx = − cosec pπ p+1 (1 − x) p [0 < p < 1] bi (319)(10)a 4.255 Logarithms and powers ∞ 3. u (x − u)μ−1 ln x dx = uμ−λ B(λ − μ, μ) [ln u + ψ(λ) − ψ(λ − μ)] xλ [0 < Re μ < Re λ] ∞ 4.11 x a2 + x2 ln x 0 ∞ 5. p p p ln a dx = pB , x 2a 2 2 (x − 1)p−1 ln x dx = 1 ∞ 6.7 ln x 0 541 ln x 0 π cosec πp p dx n+ 12 (a + x) = 2 (2n − 1)a p > 0] n− 12 ln a + 2 ln 2 − 2 [Re μ > 0, n−1 k=1 1 2k − 1 1 1. 0 xp−1 ln x 1 dx = − 2 ψ 1 − xq q ∞ 2. 0 ∞ 3. 4. 1 3 0 5. 0 1 6. 0 4.255 1 1. 0 2. 0 3. ln x dx = − 1 xp 1 p q pπ cos xp−1 ln x π2 q dx = − 2 1 + xq q sin2 pπ q 1 − x2 xp−2 ln x dx = − 1 + x2p π 2p 2 1 + x2 xp−2 ln x dx = − 1 − x2p π 2p 2 ∞ pπ 1 − xp π2 tan2 dx = 2 1−x 4 2 π sin 2p cos2 π 2p sec2 π 2p a = 0, |arg a| < π] NT 68(7) n = 1, 2, . . .] q > 0] BI (142)(5) GW (324)(5) [0 < p < q] BI (135)(8) [p < 1, p + q > 1] BI (140)(2) [p > 0, q > 0] [0 < p < q] xq−1 ln x π2 dx = − 1 − x2q 8q 2 ln x 0 π2 p−1 π q 2 sin2 q xp−1 ln x 1 dx = 2 β q 1+x q ∞ [p > 0, xp−1 ln x π2 dx = − pπ q 1−x q 2 sin2 q xq 0 p q BI (289)(12)a [|arg a| < π, 4.254 BI (140)(6) [−1 < p < 0] dx 1 = (ln a − C − ψ(μ)) (a + x)μ+1 μaμ ∞ 7.7 [a > 0, ET II 203(18) GW (324)(7) BI (135)(7) [q > 0] BI (108)(12) [p > 1] BI (108)(13) [p > 1] BI (108)(14) [p < 1] BI (140)(3) 542 Logarithmic Functions 1 4.256 ln 0 xμ−1 dx 1 1 μ m < , = 2B x n n n n n−m (1 − xn ) ψ μ+m n 4.256 −ψ μ n [Re μ > 0] 4.257 ∞ 1. 0 LI (118)(12) + , x γ ν ν ν dx π γ ln + π (β − γ ) cot νπ β β = (x + β)(x + γ) sin νπ(γ − β) xν ln [|arg β| < π, ln 0 ∞ p x q q 2p dx =0 x x + x2p xp 2p q + x2p x q [q > 0] BI (140)(4)a [q > 0] BI (140)(4)a r dx =0 2 + x2 q 0 , + 2 2 ∞ + (ln a) ln a 4π dx x = ln x ln a (x − 1)(x − a) 6(a − 1) 0 ln 4. | Re ν| < 1] ET II 219(30) ∞ 2. 3. |arg γ|< π, [a > 0] (for a = 1 see 4.261 5) BI (141)(5) ∞ 5. ln x ln 0 xp dx π 2 [(ap + 1) ln a − 2π (ap − 1) cot pπ] x = a (x − 1)(x − a) (a − 1) sin2 pπ 2 p < 1, a > 0 BI (141)(6) 4.26–4.27 Combinations involving powers of the logarithm and other powers 4.261 1. 7 2. 3. 4. 5. 6. 7. 8.11 t π 2 − t2 dx [0 ≤ t ≤ π] (ln x) = 1 + 2x cos t + x2 6 sin t 0 1 2 2 1 ∞ (ln x) dx 10π 3 (ln x) dx √ = = 2 2 0 x2 − x + 1 81 3 0 x −x+1 1 2 2 1 ∞ (ln x) dx 8π 3 (ln x) dx √ = = 2 2 0 x2 + x + 1 81 3 0 x +x+1 , + 2 2 ∞ + (ln a) ln a π dx 2 = [a > 0] (ln x) (x − 1)(x + a) 3(1 + a) 0 ∞ dx 2 2 (ln x) = π2 2 (1 − x) 3 0 1 3 dx π 2 (ln x) = 2 1 + x 16 0 √ 1 2 2 1 ∞ 3 2 3 2 1+x 2 1+x π (ln x) dx = (ln x) dx = 1 + x4 2 0 1 + x4 64 0 √ 1 8 3π 3 + 351 ζ(3) 2 1−x (ln x) dx = 1 − x6 486 0 1 2 BI (113)(7) GW (324)(16c) GW (324)(16b) BI (141)(1) BI (139)(4) BI (109)(3) BI (109)(5), BI (135)(13) 4.261 Powers and logarithms dx π π2 2 = (ln 2) + 2 12 1 − x2 0 ∞ 2 3 μ−1 π 2 − sin μπ 2 x dx = (ln x) [0 < Re μ < 1] 1+x sin3 μπ 0 1 ∞ n n (−1)n+k (−1)k 3 2 x dx n =2 ζ(3) + 2 (ln x) = (−1) 1+x (k + 1)3 2 k3 0 9. 10. 11.7 543 1 2 (ln x) √ k=n 2 (ln x) 0 1 2 (ln x) 0 1 xn dx 1 =2 = 2 ζ(3) − 3 1−x (k + 1) k3 n k=n 13.11 ET I 315(10) k=1 ∞ 1 12.7 BI (118)(13) [n = 0, 1, . . .] BI (109)(1) [n = 0, 1, . . .] BI (109)(2) k=1 ∞ n k=n k=1 x2n dx 1 1 7 ζ(3) − 2 = 2 = 1 − x2 (2k + 1)3 4 (2k − 1)3 [n = 0, 1, . . .] ∞ 14. (ln x) 0 2 x2 BI (109)(4) xp−1 dx π sin(1 − p)t 2 = π − t2 + 2π cot pπ [π cot pπ + t cot(1 − p)t] + 2x cos t + 1 sin t sin pπ [0 < t < π, 0 < p < 2, p = 1] ⎧ &2 ⎫ % 2n 2n ⎨ π2 ⎬ 1 2n k k x dx (−1) (−1) (2n − 1)!! 2 π + + ln 2 (ln x) √ = + ⎭ 2 · (2n)!! ⎩ 12 k2 k 1 − x2 0 k=1 k=1 ⎧ &2 ⎫ %2n+1 1 2n+1 ⎬ ⎨ 2n+1 2 k k dx (−1) (−1) (2n)!! π 2 x − + ln 2 (ln x) √ = + − ⎭ (2n + 1)!! ⎩ 12 k2 k 1 − x2 0 GW (324)(17) 15. 16. k=1 GW (324)(60a) k=1 GW (324)(60b) 1 17.7 2 2 (ln x) xμ−1 (1 − x)ν−1 dx = B(μ, ν) [ψ(μ) − ψ(ν + μ)] + ψ (μ) − ψ (μ + ν) 0 [Re μ > 0, 1 18. 2 (ln x) 0 1 19. 0 20. 1 2 (ln x) 0 0 LI (111)(8) 1 + (−1)n xn+1 n−k+1 3 dx = (n + 1) ζ(3) − 2 (−1)k−1 2 (1 + x) 2 k3 1 − x2n+2 LI (111)(7) 2 (1 − x2 ) n−k+1 7 (n + 1) ζ(3) − 2 4 (2k − 1)3 n dx = k=1 [n = 0, 1, . . .] 1 2 q−1 (ln x) xp−1 (1 − xr ) 21. n−k+1 k3 ET I 315(11) k=1 7 k=1 Re ν > 0] n 2 (ln x) 1 − xn+1 dx = 2(n + 1) ζ(3) − 2 (1 − x)2 n dx = p 1 ,q B r3 r ψ LI (111)(9) + ,2 p p p p +q + ψ +q − ψ −ψ r r r r [p > 0, q > 0, r > 0] GW (324)(8a) 544 4.262 Logarithmic Functions 1 1. 3 (ln x) 0 1 2. 3 (ln x) 0 3. 4. 7 4 dx =− π 1+x 120 BI (109)(9) π4 dx =− 1−x 15 BI (109)(11) ,2 + 2 π 2 + (ln a) dx 3 = (ln x) (x + a)(x − 1) 4(a + 1) 0 % & 1 n−1 n 4 (−1)k 3 x dx n+1 7π = (−1) −6 (ln x) 1+x 120 (k + 1)4 0 4.262 ∞ [a > 0] BI (141)(2) [n = 1, 2, . . .] BI (109)(10) π4 xn dx 1 =− +6 1−x 15 (k + 1)4 [n = 1, 2, . . .] BI (109)(12) x2n dx 1 π4 +6 = − 2 1−x 16 (2k + 1)4 [n = 1, 2, . . .] BI (109)(14) k=0 n−1 1 5. 3 (ln x) 0 k=0 n−1 1 6. 3 (ln x) 0 k=0 3 (ln x) 0 1 + (−1)n xn+1 n−k+1 7(n + 1)π 4 + 6 dx = − (−1)k−1 (1 + x)2 120 k4 BI (111)(10) n 1 3 (ln x) 0 k=1 1 9. 3 (ln x) 0 4.263 BI (111)(11) k=1 8. n−k+1 1 − xn+1 (n + 1)π 4 + 6 dx = − (1 − x)2 15 k4 n 1 7. ∞ 1.8 0 1 − x2n+2 2 (1 − x2 ) n−k+1 (n + 1)π 4 +6 16 (2k − 1)4 n dx = − ,+ , + 2 2 7π 2 + 3 (ln a) ln a π 2 + (ln a) dx 4 = (ln x) (x − 1)(x + a) 15(1 + a) [a > 0] 1 2. 4 (ln x) 0 1 3. 0 1 1. dx 5π = 2 1+x 64 BI (109)(17) t π 2 − t2 7π 2 − 3t2 dx (ln x) = 1 + 2x cos t + x2 30 sin t 4 5 (ln x) 0 2. 1 5 (ln x) 0 BI (141)(3) 5 [|t| < π] 4.264 BI (111)(12) k=1 BI (113)(8) 31π 6 dx =− 1+x 252 BI (109)(20) 8π 6 dx =− 1−x 63 BI (109)(21) 4.267 Powers and logarithms ∞ 3. 0 545 ,2 + , + 2 2 3π 2 + (ln a) π 2 + (ln a) dx 5 = (ln x) (x − 1)(x + a) 6(1 + a) [a > 0] 1 4.265 6 (ln x) 0 4.266 1. 1 7 (ln x) 0 1 2. 7 (ln x) 0 4.267 1. 1 0 1 2. 0 1 3.8 0 4. 5. 6.11 7. 8. 9. 10. dx 61π = 2 1+x 256 BI (109)(25) 127π 8 dx =− 1+x 240 BI (109)(28) 8π 8 dx =− 1−x 15 BI (109)(29) 2 1 − x dx = ln 1 + x ln x π BI (127)(3) π (1 − x)2 dx = ln 2 1 + x ln x 4 BI (128)(2) (1 − x)2 dx · mx 2 ln x +x 1 + 2x cos n n−1 kmπ 1 mπ = (−1)k sin n sin n k=1 = BI (141)(4) 7 sin 1 mπ n 1 2 (n−1) k=1 (−1)k sin n+k+1 2 k+2 k Γ 2n Γ 2n Γ ln 2n2 k+1 n+k Γ 2n Γ 2n Γ n+k+2 2n n−k+1 2 k+2 k Γ n Γ n Γ kmπ n ln 2 n−k n−k+2 k+1 n Γ Γ Γ n n [m + n is even] n [m < n] 1 ln 2 1−x dx · =− · 2 ln x 1 + x 1 + x 2 0 √ 1 2 x 2 2 1−x dx · = ln · 2 ln x π 0 1+x 1+x 1 ∞ p dx ln(1 + k) [p ≥ 1] = (1 − x)p (−1)k k ln x 0 k=1 1 dx 1 − xp −p = ln Γ(p + 1) 1−x ln x 0 1 p−1 p x − xq−1 dx = ln [p > 0, ln x q 0 1 p−1 Γ q Γ p+1 dx x − xq−1 2 · = ln 2p q+1 [p > 0, ln x 1+x Γ 2 Γ 2 0 1 p−1 1 ∞ xp−1 − x−p pπ x − x−p dx = dx = ln tan (1 + x) ln x 2 (1 + x) ln x 2 0 0 [m + n is odd] BI (130)(3) 1 BI (130)(16) BI (130)(17) BI (123)(2) GW (326)(10) q > 0] FI II 647 q > 0] FI II 186 [0 < p < 1] FI II 816 546 Logarithmic Functions 1 (xp − xq ) xr−1 11. 0 1 12. 0 p+r dx = ln ln x r+q ∞ xp − xq dx = n (1 − ax) x ln x k=0 1 (xp − 1) (xq − 1) 13. 0 4.267 [r > 0, n+k−1 k ak ln p+k q+k p+q+1 dx = ln ln x (p + 1)(q + 1) p > 0, p > 0, q > 0] q > 0, a2 < 1 [p > −1, q > −1, LI (123)(5) BI (130)(15) p + q > −1] GW (324)(19b) 1 14. 0 xp − xq 1 + x2n+1 · dx = ln 1+x x ln x q+1 q Γ 2 + n Γ p+1 2 p +n+1 Γ 2 2 p+1 q +n+1 Γ +n Γ Γ 2 2 Γ [p > 0, 1 15. 0 1 16. 0 1 17. 0 Γ(q + 1) Γ(p + r + 1) xp − xq 1 − xr · dx = ln 1−x ln x Γ(p + 1) Γ(q + r + 1) [p > −1, q > −1, x −x dx = ln (1 + xr ) ln x p−1 q−1 Γ Γ q p+r Γ 2r 2r q+r p Γ 2r 2r ∞ 18. 0 1 20. 0 21. 0 22. 0 1 pπ qπ xp−1 − xq−1 dx = ln tan cot r (1 + x ) ln x 2r 2r q > 0, [0 < p < r, [0 < p < r, [p > 0, GW (324)(21) BI (128)(6) 0 < q < r] 0 < q < r] q > 0] Γ q+2 4(2n+1) Γ p+4n+2 4(2n+1) Γ q 4(2n+1) q+4n+4 4(2n+1) Γ p+2 4(2n+1) Γ q+4n+2 4(2n+1) Γ p 4(2n+1) q > 0] BI (143)(4) BI (128)(11) p+4n+4 4(2n+1) [p > 0, ∞ r > 0] GW (324)(23) GW (324)(22), BI (143)(2) q Γ p+2 xp−1 − xq−1 1 − x2 2n Γ 2n dx = ln q+2 p · 1 − x2n ln x Γ 2n Γ 2n Γ xp−1 − xq−1 1 + x2 dx = ln 1 + x2(2n+1) ln x Γ BI (127)(7) [0 < q < p] pπ ⎞ ∞ p−1 sin x − xq−1 r ⎠ dx = ln ⎝ r sin qπ 0 (1 − x ) ln x r p 2 q + r > −1] ⎛ 19. Γ q > 0] p + r > −1, [p > 0, 1 − x2p−2q xq−1 dx qπ = ln tan 1 + x2p ln x 4p q+1 2 BI (128)(7) pπ (p + 2)π qπ (q + 2)π xp−1 − xq−1 1 + x2 dx = ln tan · tan · cot · cot · ln x 4(2n + 1) 4(2n + 1) 4(2n + 1) 4(2n + 1) 1 + x2(2n+1) [0 < p < 4n, 0 < q < 4n] BI (143)(5) 4.267 Powers and logarithms ∞ 23. 0 pπ · sin (q+2)π sin 2n xp−1 − xq−1 1 − x2 2n dx = ln (p + 2)π qπ 1 − x2n ln x · sin sin 2n 2n [0 < p < 2n, 1 (1 − xp ) (1 − xq ) 24. 1 (1 − xp ) (1 − xq ) 25. 0 0 < q < 2n] BI (143)(6) r−1 x 0 547 (p + q + r)r dx = ln ln x (p + r)(q + r) [p > 0, Γ(p + r) Γ(q + r) xr−1 dx = ln (1 − x) ln x Γ(p + q + r) Γ(r) [r > 0, r + p > 0, 1 q > 0, r + q > 0, r > 0] BI (123)(8) r + p + q > 0] (p + q + 1)(q + r + 1)(r + p + 1) dx = ln ln x (p + q + r + 1)(p + 1)(q + 1)(r + 1) r > −1, p + q > −1, p + r > −1, q + r > −1, FI II 815a (1 − xp ) (1 − xq ) (1 − xr ) 26. 0 [p > −1, q > −1, p + q + r > −1] GW (324)(19c) 1 Γ(p + 1) Γ(q + 1) Γ(r + 1) Γ(p + q + r + 1) dx = ln (1 − x) ln x Γ(p + q + 1) Γ(p + r + 1) Γ(q + r + 1) r > −1, p + q > −1, p + r > −1, q + r > −1, p + q + r > −1] (1 − xp ) (1 − xq ) (1 − xr ) 27. 0 [p > −1, q > −1, FI II 815 1 (1 − xp ) (1 − xq ) (1 − xr ) 28. 0 1 29. 0 (p + q + s)(p + r + s)(q + r + s)s xs−1 dx = ln ln x (p + s)(q + s)(r + s)(p + q + r + s) [p > 0, q > 0, r > 0, BI (123)(10) q+s Γ p+s Γ r dx x p q r = ln s p+q+s (1 − x ) (1 − x ) (1 − xr ) ln x Γ r Γ r s−1 [p > 0, ∞ 30. (1 − xp ) (1 − xq ) 0 s−1 dx x =2 p+q+2s (1 − x ) ln x 1 (1 − xp ) (1 − xq ) (1 − xr ) 31. 0 1 0 q > 0, r > 0, s > 0] GW (324)(23a) 1 s−1 dx x p+q+2s (1 − x ) ln x 0 (p + s)π sπ cosec = 2 ln sin p + q + 2s p + q + 2s [s > 0, s + p > 0, s + p + q > 0] GW (324)(23b)a (1 − xp ) (1 − xq ) Γ(p + s) Γ(q + s) Γ(r + s) Γ(p + q + r + s) xs−1 dx = ln (1 − x) ln x Γ(p + q + s)4 Γ(p + r + s) Γ(q + r + s) Γ(s) [p > 0, q > 0, r > 0, s > 0] ∗ BI (127)(11) q+s r+s p+q+r+s Γ p+s Γ Γ Γ xs−1 dx t = ln p+q+s t q+r+s t p+r+s t s (1 − x ) (1 − x ) (1 − x ) t (1 − x ) ln x Γ Γ Γ t Γ t t t [p > 0, q > 0, r > 0, s > 0, t > 0] ∗ GW (324)(23b) p 32. s > 0] q r ∗ In 4.267.31 the restrictions can be somewhat weakened by writing, for example, s > 0, p + s > 0, q + s > 0, r + s > 0, p + q + s > 0, p + r + s > 0, q + r + s > 0, p + q + r + s > 0, in 4.267 31 and 32. 548 Logarithmic Functions 1 33. 0 1 34. 0 1 35. 0 1 36. 0 1 37. 0 38. 39.6 xp − xp+q −q 1−x dx Γ(p + q + 1) = ln [p > −1, p + q > −1] BI (127)(19) ln x Γ(p + 1) dx xμ − x − x(μ − 1) = ln Γ(μ) [Re μ > 0] WH, BI (127)(18) x−1 x ln x dx (1 − xp ) (1 − xq ) = − ln {B(p, q)} 1−x− 1−x x ln x [p > 0, q > 0] BI (130)(18) p−1 pq−1 x x 1 dx 1 − + = q ln p − q q 1−x 1−x x(1 − x) x (1 − x ) ln x xq−1 xpq−1 p − 1 p−1 p − 1 p−1 − x − x − 1 − x 1 − xp 1 − xp 2 [p > 0] p q BI (130)(20) dx 1−p 1 = ln(2π) + pq − ln x 2 2 (1 − x ) (1 − x ) − (1 − x) dx = ln B(p, q) x(1 − x) ln x 0 1 n n n dx p = (x − 1) (−1)n−k ln(pk + 1) n − k ln x 0 1 4.268 ln p [p > 0, q > 0] BI (130)(22) [p > 0, q > 0] GW (324)(24) [n > 0, pn > −1] 2 k=0 GW (324)(19d), BI (123)(12)a 1 40.6 0 1 p n (1 − x ) dx = 1 − x ln x (−1)k−1 ln Γ[(n − k)p + 1] [n > 1, pn > −1] [n > 0, q > 0, BI (127)(12) k=0 n dx ln[q + (n − k)p] = (−1)k k ln x n n (xp − 1) xq−1 41. n 0 k=0 pn > −q] BI (123)(12) 1 n (1 − xp ) xq−1 42.6 0 dx = (1 − x) ln x n (−1)k−1 ln Γ[(n − k)p + q] k=0 [n > 1, q > 0, pn > −q] BI (127)(13) 1 n m (xp − 1) (xq − 1) 43.10 0 r−1 x dx = ln x [n ≥ 0, 4.268 1. 0 1 (xp − xq ) (1 − xr ) (ln x) 2 n (−1)j j=0 m ≥ 0, n j m (−1)k k=0 n + m > 0, m ln[r + (m − k)q + (n − j)p] k r > 0, pn + qm + r > 0] BI (123)(16) dx = (p + 1) ln(p + 1) − (q + 1) ln(q + 1) −(p + r + 1) ln(p + r + 1) + (q + r + 1) ln(q + r + 1) [p > −1, q > −1, p + r > −1, q + r > −1] GW (324)(26) 4.269 Powers and logarithms 1 2 (xp − xq ) 2. 0 dx 2 (ln x) = (2p + 1) ln(2p + 1) + (2q + 1) ln(2q + 1) − 2(p + q + 1) ln(p + q + 1) 1 (1 − xp ) (1 − xq ) (1 − xr ) 3. 549 0 p > − 12 , q > − 12 GW (324)(26a) dx (ln x) 2 = (p + q + 1) ln(p + q + 1) + (q + r + 1) ln(q + r + 1) + (p + r + 1) ln(p + r + 1) −(p + 1) ln(p + 1) − (q + 1) ln(q + 1) − (r + 1) ln(r + 1) − (p + q + r) ln(p + q + r) [p > −1, q > −1, r > −1, p + q > −1, p + r > −1, q + r > −1, p + q + r > 0] BI (124)(4) 4. 1 n (pk + q)2 ln(pk + q) k k=0 + q, q > 0, p > − n ⎛ ⎞ 1 n m dx p n q m r−1 j n ⎠ k m ⎝ (1 − x ) (1 − x ) x (−1) (−1) 2 = j k (ln x) 0 j=0 k=0 n (1 − xp ) xq−1 0 5. n dx 2 (ln x) = 1 2 (−1)k BI (124)(14) ×[(m − k)q + (n − j)p + r] ln[(m − k)q + (n − j)p + r] [r > 0, 1 6. mq + r > 0, (q − r)xp−1 + (r − p)xq−1 + (p − q)xr−1 0 np + r > 0, mq + np + r > 0] BI (124)(8) dx (ln x) 2 = (q − r)p ln p + (r − p)q ln q + (p − q)r ln r 7. 0 4.269 1. 2.11 1 [p > 0, q > 0, r > 0] BI (124)(9) xp−1 xq−1 xr−1 + + + (p − q)(p − r)(p − s) (q − p)(q − r)(q − s) (r − p)(r − q)(r − s) xs−1 dx p2 ln p q 2 ln q 1 + + = 2 (s − p)(s − q)(s − r) (ln x) 2 (p − q)(p − r)(p − s) (q − p)(q − r)(q − s) 2 2 s ln s r ln r + + (r − p)(r − q)(r − s) (s − p)(s − q)(s − r) [p > 0, q > 0, r > 0, s > 0] BI (124)(16) √ 1 ∞ π (−1)k 1 dx ln = x 1 + x2 2 (2k + 1)3 0 k=0 1 ∞ √ dx (−1)k √ = π 2k + 1 1 0 k=0 1 + x2 ln x BI (115)(33) BI (133)(2) 550 3. 4. 5. 6. 7. 4.271 Logarithmic Functions 1 1 1 π ln xp−1 dx = [p > 0] x 2 p3 0 1 p−1 x π [p > 0] dx = p 1 0 ln x 1 n √ sin t − xn sin[(n + 1)t] + xn+1 sin nt sin kt dx √ · π = 2 1 − 2x cos t + x k 1 0 k=1 ln x [|t| < π] 1 cos kt √ n−1 cos t − x − xn−1 cos nt + xn cos[(n − 1)t] dx √ · π = 2 1 − 2x cos t + x k 1 0 k=1 ln x [|t| < π] v dx =π [uv > 0] x v u x · ln ln u x 1 2n (ln x) 1. 0 1 2. 22n − 1 dx = · (2n)! ζ(2n + 1) 1+x 22n 2n−1 (ln x) 0 1 3. 2n−1 (ln x) 0 4. 4.271 1 GW (324)(1c) BI (133)(1) BI (133)(5) BI (133)(6) BI (145)(37) BI (110)(1) 1 − 22n−1 2n dx = π |B2n | 1+x 2n [n = 1, 2, . . .] BI (110)(2) 1 dx = − 22n−2 π 2n |B2n | 1−x n [n = 1, 2, . . .] BI (110)(5), GW(324)(9a) dx = ei(p−1)π Γ(p) ζ(p) [p > 1] 1−x 1 ∞ dx (−1)k n n (ln x) = (−1) n! 1 + x2 (2k + 1)n+1 0 k=0 1 dx dx 1 ∞ π 2n+1 2n 2n (ln x) = (ln x) = 2n+2 |E2n | 2 2 1+x 2 0 1+x 2 0 ∞ 2n+1 (ln x) dx = 0 [|b| < 2] 2 0 1 + bx + x 1 dx 22n+1 − 1 2n (ln x) = · (2n)! ζ(2n + 1) [n = 1, 2, . . .] 1 − x2 22n+1 0 ∞ dx 2n (ln x) =0 1 − x2 0 1 dx dx 1 ∞ 1 − 22n 2n 2n−1 2n−1 π |B2n | (ln x) = (ln x) = 2 2 1−x 2 0 1−x 4n 0 p−1 (ln x) GW (324)(9b) 0 5. 6. 7. 8. 9. 10. [n = 1, 2, . . .] BI (110)(11) GW (324)(10)a BI (135)(2) BI (110)(12) BI (312)(7)a BI (290)(17)a, BI(312)(6)a 4.272 Powers and logarithms 1 11. 2n−1 (ln x) 0 1 12. 2n (ln x) 2 dx = 22n − 1 2n π |B2n | 2 [n = 1, 2, . . .] BI (290)(19)a [n = 1, 2, . . .] BI (296)(17)a ∞ 1 2n+1 (ln x) 0 1 + x2 (1 − x2 ) 0 13. x dx 1 = − π 2n |B2n | 2 1−x 4n 551 cos 2akπ (cos 2aπ − x) dx = −(2n + 1)! 2 1 − 2x cos 2aπ + x k 2n+2 k=1 ∞ 14.6 0 [a is not an integer] x dx d n ν−2 sin(ν − 1)t (ln x) 2 = −π cosec t n a a + 2ax cos t + x2 dν sin νπ [a > 0, 0 < Re ν < 2, ν−1 LI (113)(10) n 0 < |t| < π] ET I 315(12) 1 15. n (ln x) 0 1 16.3 n (ln x) 0 4.272 1 0 q−1 1 ln x 1 ln 0 1 4. ln 0 1 x μ 1 1 6. ln 0 7. 0 [p > 0, q > 0] GW (324)(10) [|t| < π, q < 1] LI (130)(1) 1 1 x 1 ln x LI (130)(5) ∞ xν−1 dx ak sin kt Γ(μ + 1) = 1 − 2ax cos t + x2 a2 a sin t (ν + k − 1)μ+1 Re μ > 0, Re ν > 0, −π < t < π] BI (140)(14)a ∞ pk−1 cos kλ cos λ − px q−1 x dx = Γ(r) 1 + p2 x2 − 2px cos λ (q + k − 1)r k=1 [r > 0, (ln x) GW (324)(9) k=1 r−1 1 x ∞ 5. q > 0] ∞ 1 (1 + x) dx t k−1 cos k − 2 t = sec · Γ(q) (−1) 1 + 2x cos t + x2 2 kq k=1 |t| < π, q < 12 [a > 0, [p > 0, k=1 2. 3.9 p q q−1 1 dx ∞ sin kt x = cosec t Γ(q) (−1)k−1 q 2 1 + 2x cos t + x k 0 xp−1 1 dx = n+1 β (n) 1 + xq q p q 1 ln 1. xp−1 1 dx = − n+1 ψ (n) 1 − xq q p dx = Γ(1 + p) x2 μ−1 xν−1 dx = n− 12 ν−1 x [p > −1] 1 Γ(μ) νμ (2n − 1)!! dx = (2ν)n q > 0] [Re μ > 0, π ν [Re ν > 0] BI (113)(11) BI (149)(1) Re ν > 0] BI (107)(3) BI (107)(2) 552 Logarithmic Functions 1 x n−1 ln 1 x n−1 1 x μ−1 ln 1 8.11 ln 0 1 9. 0 1 10. 0 xν−1 1 dx = Γ 3 − 1+x n p n −3 − q n −3 1 1 xν−1 dx = (n − 1)! ζ(n, ν) 1−x (x − 1)n a + 4.272 nx x−1 xa−1 dx = Γ(μ) [Re ν > 0] BI (110)(4) [Re ν > 0] BI (110)(7) n (−1)k n(n − 1) . . . (n − k + 1) k=0 (a + n − k)μ−1 k! [Re μ > 0] 1 11. ln 0 1 12. ln 0 1 x n−1 1 x μ−1 1 − xm dx = (n − 1)! 1−x m k=1 LI (110)(10) 1 kn LI (110)(9) ∞ xν−1 dx 1 1 ν = Γ(μ) = μ Γ(μ) ζ μ, 2 1−x (ν + 2k)μ 2 2 k=0 [Re μ > 0, 1 13. 0 xq − x−q 1 − x2 1 14. ln 0 1 x ln r−1 1 x p dx = Γ(p + 1) Re ν > 0] 1 1 − (2k + q − 1)p+1 (2k − q − 1)p+1 p > −1, q 2 < 1 ∞ k=1 ∞ xp−1 dx = Γ(r) s (1 + xq ) BI (110)(13) LI (326)(12)a −s 1 k (p + kq)r k=0 [p > 0, q > 0, r > 0, 0 < s < r + 2] GW (324)(11) 1 15. ln 0 1 x n m (1 + xq ) xp−1 dx = n! m m 1 k (p + kq)n+1 k=0 [p > 0, 1 16. ln 0 1 17. ln 0 1 18. 0 1 x 1 x 1 ln x n m (1 − xq ) xp−1 dx = n! m BI (107)(6) [p > 0, q > 0] BI (107)(7) [p > 0, q > 0, m (−1)k k (p + kq)n+1 k=0 p−1 q > 0] ∞ ak xq−1 dx 1 = Γ(p) 1 − axq aq p kp 1 2− n p−1 x − xq−1 dx = n Γ n−1 1 n 19. 1 ln 0 1 x LI (110)(8) 1 1 q 1− n − p1− n [q > p > 0] a < 1] k=1 2n−1 xp − x−p q−1 1 x dx = 2n q 1−x p ∞ k=n 2pπ q k |B2k | 2k · (2k − 2n)! + q, p< 2 BI (133)(4) LI (110)(16) 4.282 Rational functions of ln x and powers x p−1 v q−1 dx v ln = B(p, q) ln u x x u u √ 1 √ q qπ e x dx = √ q e 0 x − (1 + ln x) 4.274 4.275 v ln 4.273 1 % 1. 0 1 2. x− & q−1 1 ln x −x p−1 1 1 − ln x 0 q (1 − x) q−1 dx = p+q−1 [p > 0, q > 0, uv > 0] [q > 0] BI (145)(36) BI (145)(4) Γ(q) [Γ(p + q) − Γ(p)] Γ(p + q) [p > 0, dx = − ψ(q) x ln x 553 q > 0] [q > 0] BI (107)(8) BI (126)(5) 4.28 Combinations of rational functions of ln x and powers 4.281 1 1. 0 ∞ 2. 1 3. 4. 5. 6. 7. 1 1 + dx = C ln x 1 − x BI (127)(15) 1 dx = li(p) x2 (ln p − ln x) p LA 281(30) 1 xp−1 dx = ±e∓pq Ei (±pq) [p > 0, q > 0] 0 q ± ln x 1 1 xμ−1 + dx = − ψ(μ) [Re μ > 0] ln x 1 − x 0 1 p−1 x xq−1 + dx = ln p − ψ(q) [p > 0, q > 0] ln x 1−x 0 1 1 ln 2 dx 1 = + 2 1−x 2x ln x ln x 2 0 1 1 ln 2π 1 (1 − x) (1 + q ln x) + x ln x q−1 dx = − q − ln Γ(q) + x q− + 2 2 (1 − x) ln x 2 2 0 [q > 0] 4.282 1 1. 0 1 2. 0 2 · · 1 1 dx = − C 1−x 4 2 dx 1 β = 1 + x2 2a 2a + π 4π dx 4−π = 2 1 + x 4π + (ln x) 1 π2 0 4. + (ln x) 1 1 3. 2 a2 + (ln x) 0 ln x 4π 2 1 + (ln x) 2 · dx 1 = 1 − x2 2 WH BI (127)(17) LI (130)(19) BI (128)(15) BI (129)(1) + π, a>− 2 BI (129)(9) BI (129)(6) 2 ln x π2 LI (144)(11,12) 1 − ln 2 2 BI (129)(10) 554 Logarithmic Functions 1 5. a2 + (ln x) 0 1 6. 1 8. 1 11. 0 1 13. 0 x−1 −x ln x 1 1 0 1 3. 0 1 4. 0 1 5. 0 6. 7. 8. , √ dx 1 + √ = 2 − 1 π + 2 ln 1 + x2 8π 2 2 · √ 1 1 dx π + √ ln =− √ + 2−1 2 1−x 32 2 16 16 2 ,2 2π a ∞ π x dx π2 = − |B2k | 2 4 1−x 4a a BI (129)(8) BI (129)(12) 2k−2 BI (129)(4) 2k−2 BI (129)(16) k=1 p2 < 1 BI (132)(13)a k=1 2. 2 · ∞ dx xp − x−p sin kpπ 2π = (−1)k−1 2 2 2 x − 1 q + (ln x) q 2q + kπ 0 2 a2 + (ln x) BI (129)(13) BI (129)(11) ∞ π2 dx =− 4 |B2k | + ,2 1−x a 2 k=1 a2 + (ln x) 1. dx 2−π = 2 1−x 16 ln x BI (129)(14) BI (129)(7) ln x + 0 · ln x 1 12. 4.283 2 π 2 + 16 (ln x) 0 dx ln 2 = 2 1+x 4π 1 1 10. · ln x [a > 0] 1 −C 2 2 π 2 + 16 (ln x) 0 + 4 (ln x) 1 9.10 x dx 1 = 2 1−x 2 π 2 + 4 (ln x) 0 · 1 π2 0 2 + (ln x) 1 7. π a , x dx 1+π + ln + ψ = 1 − x2 2 2a a π ln x π2 0 2 · ln x 4.283 % dx = ln 2 − 1 ln x BI (132)(17)a 1 1 1 + − ln x 1 − x 2 ln 2π dx = −1 ln x 2 BI (127)(20) 1 x x + + ln x 1 − x 2 dx ln 2π = x ln x 2 BI (127)(23) x 2 − (1 − x)2 (ln x) 1 & 1 1 1 − + 1 − x2 2 ln x 2 dx = C − 1 2 GW (326)(8a) dx ln 2 − 1 = ln x 2 BI (128)(14) 1 dx 1 1 1+x ln 2π + · − ln x = ln x 2 1 − x ln x 2 0 1 dx 1 −x = −C 1 − ln x x ln x 0 & 1% q q x −1 2 − ln x dx = q ln q − q x (ln x) 0 BI (127)(22) GW (326)(11a) [q > 0] BI (126)(2) 4.291 Logarithmic functions and powers 10. x+ dx a 1 = ln + C a ln x − 1 x ln x q 0 p−1 1 1 1+x x 1 + dx = − ln Γ(p) + p − ln x 2(1 − x) ln x 2 0 9. 1 1 p−1− 11. 1 % − 12. 0 1 0 1 14. 0 4.284 1 % 1. 0 1 % 2. 2 (ln x) p− 13. 1 2 + 1 2 1− −x ln x p−1 x 1 q− 2 q > 0] ln p − p + ln 2π 2 GW (326)(9) 1 ln 2π − p ln p + p − 2 2 dx = ln x [p > 0] BI (127)(25) r−1 1 ln x 2p−1 x −1 pq−1 rq−1 px rx + − p 1−x 1 − xr [p > 0] dx = ln x GW (326)(8) 1 − p (ln p − 1) 2 [p > 0] BI (132)(23)a 1 dx ln 2π = (p − r) − q − ln Γ(q) + ln x 2 2 [q > 0] BI (132)(13) [q > 0] BI (126)(3) xq − 1 q − q x (ln x) 3 − & q2 2x (ln x) 2 − 11 q3 q3 ln q − q 3 dx = 6 ln x 6 36 [q > 0] 1 0 & 3 2 q2 q2 3 − 2 − 2 ln x dx = 2 ln q − 4 q x (ln x) x (ln x) xq − 1 x (ln x) 4.285 BI (126)(8) (p − 2)xp − (p − 1)xp−1 3 dx = − ψ(p) + p − 2 (1 − x) 2 x3 + 4 0 xp−1 [a > 0, [p > 0] & 1 1 1 − 2 ln x 1 + 1−x 0 555 BI (126)(4) n−1 xp−1 dx pn−1 −pq 1 e = Ei(pq) − (n − k − 1)!(pq)k−1 n n−1 (n − 1)! (n − 1)!q (q + ln x) k=1 [p > 0, q < 0] BI (125)(21) n xa (ln x) dx , we should make the substitution x = et or x = e−t and m l [b ± (ln x) ] then seek the resulting integrals in 3.351–3.356. In integrals of the form 4.29–4.32 Combinations of logarithmic functions of more complicated arguments and powers 4.291 1. 0 1 π2 ln(1 + x) dx = x 12 FI II 483 556 Logarithmic Functions 1 2. 0 π2 ln(1 − x) dx = − x 6 1/2 3. 0 ln 1 − 0 7.7 8. 9. 10. 11. 12. 13. dx 1 π2 2 = (ln 2) − x 2 12 x 2 BI (114)(18) 1+x 2 2 dx = 1 (ln 2)2 − π 1−x 2 12 0 BI (145)(2) 1 ln 5. 6. FI II 714 1 ln(1 − x) π2 2 dx = (ln 2) − x 2 12 1 4. 4.291 BI (115)(1) 1 ln(1 + x) 1 2 dx = (ln 2) 1+x 2 0 a ∞ ln(1 + ax) ln u du π 2 ln 1 + a − dx = 2 2 1 + x 4 0 0 1+u 1 ln(1 + x) π dx = ln 2 2 1+x 8 0 ∞ ln(1 + x) π dx = ln 2 + G 1 + x2 4 0 1 ln(1 − x) π dx = ln 2 − G 2 1+x 8 0 ∞ ln(x − 1) π dx = ln 2 1 + x2 8 1 1 π2 1 ln(1 + x) 2 dx = − (ln 2) 12 2 0 x(1 + x) ∞ π2 ln(1 + x) dx = . x(1 + x) 6 0 BI (114)(14)a [a > 0] GI II (2209) FI II 157 BI (136)(1) BI (114)(17) BI (144)(4) BI (144)(4) BI (141)(9)a 1 14. 0 a+b 2 ln 2 ln(1 + x) 1 ln + 2 dx = (ax + b)2 a(a − b) b b − a2 1 = 2 (1 − ln 2) 2a [a = b, ab > 0] [a = b] LI (114)(5)a ∞ 15. 0 16. 1 ln(a + x) 0 17. a ln ln(1 + x) b dx = (ax + b)2 a(a − b) √ dx 1 = √ arccot a ln[(1 + a)a] 2 a+x 2 a [ab > 0] BI (139)(5) [a > 0] BI (114)(20) ∞ dx a ln a − b ln b = (b + x)2 b(a − b) a ln(1 + ax) 1 dx = arctan a ln 1 + a2 2 1 + x 2 0 ln(a + x) [a > 0, b > 0, a = b] LI (139)(6) 0 18. GI II (2195) 4.291 Logarithmic functions and powers 19. 20. 557 √ ln(1 + ax) 1 dx = √ arctan a ln(1 + a) [a > 0] 2 1 + ax 2 a 0 1 1 ln(ax + b) 1 (a + b) ln(a + b) − b ln b − a ln 2 dx = 2 a−b 2 0 (1 + x) 1 ∞ 21. 0 ln(ax + b) 1 [a ln a − b ln b] dx = (1 + x)2 a−b ∞ 22. x dx ln(a + x) (b2 + x2 ) 0 = 2 1 2 2 (a + b2 ) ln b + [a > 0, b > 0, [a > 0, b > 0] BI (139)(8) 1 23. b > 0] BI (139)(9) ln(1 + x) 23 1 + x2 1 dx = − ln 2 + (1 + x)4 3 72 ln(1 + x) +π , 1 + x2 dx 1 2 ln 1 + a − 2 arctan a · ln a · = a2 + x2 1 + a2 x2 2a (1 + a2 ) 2 0 1 24. 0 1 25. 0 26. [a > 0] 1 dx 1 1 a+b 1−x 1 ln(a + b) − ln b − ln a = 2 2 2 2 (ax + b) (bx + a) a −b a−b ab a b 4 ln 2 + 2 b − a2 a > 0, b > 0, a2 = b2 ∞ 0 2 0 (1 + ln(a + x) 0 ∞ 29. 30. 0 dx = 2 x2 ) b2 − x2 (b2 + ln2 (a − x) 0 b > 0] 2 ∞ LI (114)(13) ln2 (a − x) dx = 2 x2 ) b2 − x2 2 (b2 + x2 ) x dx (b2 + 2 x2 ) a a 1 (1 + a) 1 π ln(1 + a) − · ln 2 − · 2 2 2 1+a 2 1+a 4 1 + a2 a2 dx = = LI (139)(14) 2 [a > −1] ∞ 28. 1−x 1 ln(1 + ax) LI (114)(11) b 1−x dx 1 ln · = 2 2 2 2 (ax + b) (bx + a) ab (a − b ) a [a > 0, 27. 2 ln(1 + x) BI (114)(22) LI (114)(12) 2 ln(1 + x) a = b] aπ a2 + 2 ln a 2b b [a > 0, BI (114)(21) a2 1 + b2 a ln 2 a2 + b 2 1 + b2 bπ b − a 2 a ln ln b − BI (114)(23) [a > 0, b > 0] BI (139)(11) [a > 0, b > 0] BI (139)(12) b > 0] BI (139)(10) a bπ − b 2 aπ a2 + 2 ln a 2b b [a > 0, 558 4.292 Logarithmic Functions 1 1. 0 1 2. 0 3. a 1 ln (1 ± x) π √ dx = − ln 2 ± 2G 2 2 1−x x ln (1 ± x) π √ dx = −1 ± 2 2 1−x ln(1 + bx) 1+ √ dx = π ln 2 2 a −x −a 4. 0 4.292 GW (325)(20) GW (325)(22c) √ 1 − a2 b 2 2 1 0 ≤ |b| ≤ a √ √ x ln(1 + ax) 1 − a2 π 1 − 1 − a2 √ + arcsin a dx = −1 + · 2 2 a 1−x √ a π a2 − 1 = −1 + + ln a + a2 − 1 2a a BI (145)(16, 17)a, GW (325)(21e) [|a| ≤ 1] [a ≥ 1] GW (325)(22) 1 5. 0 4.293 π2 1 ln(1 + ax) 1 2 √ − (arccos a) dx = arcsin a (π − arcsin a) = 2 8 2 x 1 − x2 [|a| ≤ 1] 1 xμ−1 ln(1 + x) dx = 1. 0 ∞ 2.6 1 [ln 2 − β(μ + 1)] μ ∞ 3. 4. 5. 6.11 7. BI (106)(4)a ET I 315(17) −1 [β(−μ) + ln 2] μ [Re μ < 0] xμ−1 ln(1 + x) dx = π μ sin μπ [−1 < Re μ < 0] 0 [Re μ > −1] xμ−1 ln(1 + x) dx = 1 BI (120)(4), GW (325)(21a) 1 (−1)k−1 2n k 0 k=1 % & 1 2n+1 (−1)k 1 2n ln 4 + x ln(1 + x) dx = 2n + 1 k 0 k=1 % & 1 n (−1)n · 4 π (−1)k 2 ln 2 n− 12 + − x ln(1 + x) dx = 2n + 1 2n + 1 4 2k + 1 0 k=0 ∞ π [−1 < Re μ < 0] xμ−1 ln |1 − x| dx = cot(μπ) μ 0 GW (325)(3)a 2n 1 x2n−1 ln(1 + x) dx = GW (325)(2b) GW (325)(2c) GW (325)(2f) BI (134)(4), ET I 315(18) 1 xμ−1 ln(1 − x) dx = − 8. 0 9.7 1 ∞ xμ−1 ln(x − 1) dx = 1 1 [ψ(μ + 1) − ψ(1)] = − [ψ(μ + 1) + C] μ μ [Re μ > −1] ET I 316(19) [Re μ < 0] ET I 316(20) 1 [π cot(μπ) + ψ(μ + 1) + C] μ 4.294 Logarithmic functions and powers ∞ 10. xμ−1 ln(1 + γx) dx = 0 ∞ 0 1 12. 0 1 13. 0 [−1 < Re μ < 0, |arg γ| < π] BI (134)(3) 11.11 π μγ μ sin μπ 559 π xμ−1 ln(1 + x) dx = − [C + ψ(1 − μ)] 1+x sin μπ [−1 < Re μ < 1] ET I 316(21) 2μ − 1 ln(1 + x) ln 2 + dx = − (1 + x)μ+1 2μ μ 2μ μ2 BI (114)(6) xμ−1 ln(1 − x) dx = B(μ, ν) [ψ(ν) − ψ(μ + ν)] (1 − x)1−ν ∞ 14. 0 [Re μ > 0, Re ν > 0] xμ−1 ln(γ + x) dx = γ μ−ν B(μ, ν − μ) [ψ(ν) − ψ(ν − μ) + ln γ] (γ + x)ν [0 < Re μ < Re ν] 4.294 1 1. ln(1 + x) 0 1 2. ln(1 + x) 0 ln(1 + x) 0 1 ln(1 + x) 0 1 ln(1 + x) 0 1 ln(1 − x) 0 1 1 (−1)k−1 1 − x2n dx = 2 ln 2 · − 1+x 2k + 1 j=1 j k BI (114)(8) j n−1 2n 1 (−1)j (−1)k−1 1 − x2n dx = 2 ln 2 · + 1−x 2k + 1 i=1 j k BI (114)(9) 1 ln(1 − x) 0 ∞ 1 j n (−1)j 1 1 − (−1)n xn dx = 1−x j k j=1 BI (114)(15) j n 11 1 − xn dx = − 1−x j k j=1 BI (114)(16) ln2 (1 − x)xp dx = k=1 2π cot pπ p+1 [−2 < p < −1] BI (134)(13)a (−1)k n! (ln 2) n! r+1 + 2 (r + 1)n+1 (n − k)!(r + 1)k+1 n n 0 n−k LI (106)(34)a k=0 1 n [ln(1 − x)] (1 − x)r dx = (−1)n 0 k=1 BI (114)(10) [ln(1 + x)] (1 + x)r dx = (−1)n−1 9. 10. k=1 j n 2n+1 (−1)j 1 (−1)k−1 1 − x2n+1 dx = 2 ln 2 + 1−x 2k + 1 j k j=1 0 j k=1 8. 2n k=1 7. BI (114)(7) k=1 k=0 6. j n 2n+1 1 1 (−1)k−1 1 + x2n+1 dx = 2 ln 2 − 1+x 2k + 1 j k j=1 k=0 5. BI (114)(2) k=0 4. [0 < p < 1] n−1 1 ET I 316(23) π (p − 1)xp−1 − px−p dx = 2 ln 2 − x sin pπ k=0 3. ET I 316(122) n! (r + 1)n+1 [r > −1] BI (106)(35)a 560 Logarithmic Functions 1 11. ln 0 1 12. 2n (ln x) 0 13. 1 1 − x2 1 6 0 4.295 n x2q−1 dx = n! ζ(n + 1, q + 1) 2 ∞ ln μx2 + β 0 [−1 < q < 0] BI (311)(15)a dx π 2n+2 =− |B2n+2 | ln 1 − x2 x 2(n + 1)(2n + 1) m ∞ Γ(m + 1) 1 ln 1 − x2 dx = − ln x n(2n + 1)m+1 n=1 1. 4.295 dx π √ = √ ln μγ + β 2 γ+x γ BI (309)(5)a [m + 1 > 0, [Re β > 0, n + 1 > 0] Re μ > 0, |arg γ| < π] ET II 218(27) 2. 3. 4. 5. 6. 7. dx π ln 1 + x2 2 = − ln 2 x 2 0 ∞ dx ln 1 + x2 2 = π x 0 ∞ π dx 2a + ln a ln 1 + x2 = 2 2 (a + x) 1 + a 2a 0 1 dx π ln 1 + x2 = ln 2 − G 2 1 + x 2 0 ∞ dx π ln 1 + x2 = ln 2 + G 2 1+x 2 1 ∞ 2 ag + bc dx π ln ln a + b2 x2 2 = 2 x2 c + g cg g 0 8. 1 9. 10. 11. 12. 13. 14. GW (325)(4c) [a > 0] BI (319)(6)a BI (114)(24) BI (114)(5) [a > 0, b > 0, c > 0, g > 0] BI (136)(11-14)a ∞ ln a2 + b2 x2 0 c2 bc dx π = − arctan 2 2 −g x cg ag ∞ ln 1 + p2 x2 − ln 1 + q 2 x2 dx = π(p − q) x2 0 1 1 + a2 x2 dx 2 ln = − (arctan a) 2 1 − x2 1 + a 0 1 dx π2 =− ln 1 − x2 x 12 0 ∞ dx ln2 1 − x2 2 = 0 x 0 1 dx π ln 1 − x2 = ln 2 − G 2 1+x 4 0 ∞ 2 dx π ln x − 1 = ln 2 + G 2 1 + x 4 1 GW (325)(2g) [a > 0, b > 0, c > 0, g > 0] BI (136)(15)a [p > 0, q > 0] FI II 645 BI (115)(2) BI (142)(9)a GW (325)(17) BI (144)(6) 4.295 Logarithmic functions and powers ∞ 15. ln2 a2 − x2 0 dx π = ln a2 + b2 b2 + x2 b 17. 18. 19. 20. [b > 0] BI (136)(16) [b > 0] BI (136)(20) ∞ b2 − x2 2bπ ln2 a2 − x2 dx = − 2 2 a + b2 (b2 + x2 ) 0 1 1 π2 1 dx 2 = − (ln 2) ln 1 + x2 x (1 + x2 ) 2 12 2 0 ∞ π2 dx = ln 1 + x2 x (1 + x2 ) 12 0 1 dx ln cos2 t + x2 sin2 t = −t2 1 − x2 0 ∞ b2 dx 2 ln b + ln a2 + b2 x2 = (c + gx)2 cg a2 g 2 + b 2 c 2 0 16. 561 BI (114)(25) BI (141)(9) BI (114)(27)a a c c a2 g a π + 2 ln + 2 2 ln b g g b c b [a > 0, b > 0, c > 0, g > 0] BI (139)(16)a 21. 1 ln a2 + b2 x2 0 22. ∞ 11 0 ∞ 23. 0 ∞ 24. 0 ∞ 25. dx (c + gx)2 2a b2 a cb2 − ga2 a2 + b2 2 c c+g ln a + 2 2 arccot + ln ln = − 2 c(c + g) a g + b 2 c2 b b b2 (c + g) a2 g c [a > 0, b > 0, c > 0, g > 0] BI (114)(28)a ∞ 2 ln 1 + p2 x2 ln p + x2 q + pr π ln dx = dx = r2 + q 2 x2 q 2 + r2 x2 qr r 0 [qr > 0, ln 1 + a2 x2 dx π = 2 2 2 2 2 2 2 2 b +c x d + g x b g − c 2 d2 a > 0, b > 0, ln 1 + a2 x2 x2 dx π = 2 2 2 2 2 2 2 2 b +c x d + g x b g − c 2 d2 a > 0, b > 0, ln a2 + b2 x2 0 26. 0 dx (c2 + 2 g 2 x2 ) = π 2c3 g p > 0] FI II 745a, BI (318)(1)a, BI (318)(4)a g ad ab c ln 1 + − ln 1 + d g b c c > 0, d > 0, g > 0, b2 g 2 = c2 d2 ln b ab ad d ln 1 + − ln 1 + c c g g c > 0, d > 0, g > 0, b2 g 2 = c2 d2 bc ag + bc − g ag + bc [a > 0, b > 0, c > 0, BI (141)(10) BI (141)(11) g > 0] GW (325)(18a) ∞ ln a2 + b2 x2 2 x dx (c2 + 2 g 2 x2 ) = π 2cg 3 ln bc ag + bc + g ag + bc [a > 0, b > 0, c > 0, g > 0] GW (325)(18b) 562 Logarithmic Functions 1 27. 0 1 28. 0 29. 30.6 31. 32. 33. 34. 35. 36. π ln 1 + ax2 1 − x2 dx = 2 ln π ln 1 + a − ax2 1 − x2 dx = 2 1+ 4.295 √ 1+a 11− 1+a √ + 2 21+ 1+a √ [a > 0] √ 1+ 1+a 11− 1+a √ − ln 2 21+ 1+a √ [a > 0] 1 [a > 0, 37.8 0 40. 1 b > 0, a = b] BI (119)(1) LI (120)(11) BI (120)(12) BI (120)(14) BI (119)(27) BI (119)(3) BI (119)(7) BI (145)(15) q p +1 +ψ +1 ln 1 − x2 pxp−1 − qxq−1 dx = ψ 2 2 √ 1 dx 1+ 1+a 2 √ ln 1 + ax = π ln 2 1 − x2 0 1 , + μ 1 +1 ln 1 + x2 xμ−1 dx = ln 2 − β μ 2 0 ∞ π ln 1 + x2 xμ−1 dx = μπ 0 μ sin 2 39. BI (117)(7) 2 dx 1 + 1 − a2 a <1 ln 1 − a2 x2 √ = π ln 2 2 1−x 0 1 dx π 2 ln 1 − a2 x2 √ = − arccos |a| − 2 2 x 1−x 0 1 π dx k = ln K(k) − K (k ) ln 1 − x2 2 2 2 k 2 (1 − x ) (1 − k x ) 0 1 dx π 1 2 ± 2k K(k)− K (k ) = ln √ ln 1 ± kx2 BI (120)(8), 2 2 2 2 8 k (1 − x ) (1 − k x ) 0 1 ln 1 − k 2 x2 dx = ln k K(k) (1 − x2 ) (1 − k 2 x2 ) 0 . 1 1 − k 2 x2 ln 1 − k 2 x2 dx = 2 − k 2 K(k) − (2 − ln k ) E(k) 2 1−x 0 . 1 1 1 − x2 2 2 ln 1 − k 2 x2 dx = 2 1 + k − k ln k K(k) − (2 − ln k ) E(k) 2 2 1 − k x k 0 √ 1 a2 − b 2 dx 2π √ √ ln 1 − x2 =√ ln a2 − b 2 a + a2 − b 2 (a + bx) 1 − x2 −1 38. BI (117)(6) √ [p > −2, q > −2] [a ≥ −1] [Re μ > −2] BI (106)(15) GW (325)(21b) BI (106)(12) [−2 < Re μ < 0] BI (311)(4)a, ET I 315(15) 4.298 Logarithmic functions and powers ∞ 41. 0 xμ−1 dx ln 1 + x2 1+x π = sin μπ 4.296 1. μπ β ln 2 − (1 − μ) sin 2 1−μ 2−μ μπ β − (2 − μ) cos 2 2 2 [−2 < Re μ < 1] ET I 316(25) dx π2 t2 = − ln 1 + 2x cos t + x2 x 6 2 0 ∞ 2 dx ln a − 2ax cos t + x2 = π ln 1 + 2a|sin t| + a2 2 1+x −∞ ∞ 2π cos μt [|t| < π, −1 < Re μ < 0] ln 1 + 2x cos t + x2 xμ−1 dx = μ sin μπ 0 2 ∞ a − b2 cos t x2 + 2ax cos t + a2 x dx 1 2 ln = π − πt + π arctan 2 x2 − 2ax cos t + a2 x2 + b2 2 (a + b2 ) sin t + 2ab 0 2. 3. 4. 1 [a > 0, 4.297 1. 1 0 [a > 0, ∞ ln 0 1 − x dx π = ln 2 x 1 + x2 8 ln 1 + x dx =G 1 − x 1 + x2 0 1 4. 0 ∞ 11 ln 0 v 6. ln u ∞ 7. 0 ln 0 BI (145)(28) ET I 316(27) 0 < t < π] 1 + ax 1 − ax ln PV 0 1 BI (115)(16) BI (139)(23) BI (115)(5) BI (115)(17) π2 dx = x (1 + x2 ) 2 BI (141)(13) 2 dx 1 + ax √ = π arcsin a 1 − ax x 1 − x2 u 10.8 2 1 v v + x dx = ln u+x x 2 u v 9. 1+x 1−x b > 0] [ab > 0] b ln(1 + ax) − a ln(1 + bx) b dx = ab ln x2 a 1 8. dx ax + b =0 bx + a (1 + x)2 ln 1 3. b > 0, BI (114)(34) dx ax + b 1 a+b − a ln a − b ln b ln = (a + b) ln bx + a (1 + x)2 a−b 2 2. 5. 563 [uv > 0] [a > 0, BI (145)(33) b > 0] [|a| ≤ 1] FI II 647 GW (325)(21c), BI (122)(2) dx u π = F arcsin av, 2 2 2 2 v v (x − u ) (v − x ) ! ! !a + y ! π2 ! dy ln !! = ! a − y y 1 − y2 2 [|av| < 1] [0 < a ≤ 1] BI (145)(35) 564 4.298 1. Logarithmic Functions 4.298 ln ln 2 1 1 + x2 x2n−1 1 dx = + 2− β(2n + 1) x 1+x 2n 4n 2n BI (137)(1) ln ln 2 1 1 + x2 x2n 1 dx = + 2− β(2n + 1) x 1+x 2n 4n 2n BI (137)(3) ln ln 2 1 1 + x2 x2n−1 1 dx = + 2− β(2n + 1) x 1−x 2n 4n 2n BI (137)(2) ln ln 2 1 1 + x2 x2n 1 dx = − − 2+ β(2n + 1) x 1−x 2n 4n 2n BI (137)(4) ∞ 0 ∞ 2. 0 ∞ 3. 0 ∞ 4. 0 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. ∞ 1 1 + x2 x2n−1 ln 2 1 + 2− β(2n + 1) dx = 2 x 1+x 2n 4n 2n 0 1 n−1 1 (−1)k 1 + x2 2n 1 nπ x dx = + ln 2 − +2 (−1) ln x 2n + 1 2 2n + 1 2n − 2k − 1 0 k=0 1 n−1 (−1)k 1 + x2 2n−1 1 1 n+1 n+1 x + (−1) (−1) ln dx = ln 2 + ln 2 − x 2n 2n k 0 k=1 1 1 + x2 dx π ln = ln 2 2 x 1 + x 2 0 ∞ 2 dx 1+x ln = π ln 2 x 1 + x2 0 ∞ 1 + x2 dx ln =0 x 1 − x2 0 1 1 − x2 dx π ln = ln 2 2 x 1 + x 4 0 ∞ 2 dx 1+x 3π ln 2 ln = 2 x+1 1+x 8 1 1 1 + x2 dx 3π ln 2 − G ln = 2 x + 1 1 + x 8 0 ∞ 1 + x2 dx 3π ln 2 + G ln = 2 x − 1 1 + x 8 1 1 1 + x2 dx 3π ln 2 ln = 2 1 − x 1 + x 8 0 ∞ 1 + x2 x dx π2 ln = x2 1 + x2 12 0 ∞ 2 2 2 dx ag + bc a +b x π ln [a > 0, b > 0, c > 0, ln = 2 2 2 2 x c +g x cg c 0 ln 18. BI (294)(8) BI (294)(9)a BI (115)(7) BI (137)(8) BI (137)(9) BI (115)(9) BI (144)(8) BI (115)(18) BI (144)(9) BI (115)(19) BI (138)(3) g > 0] BI (138)(6, 7, 9, 10)a ∞ ln 0 BI (137)(10) ag dx a2 + b2 x2 1 arctan = x2 c2 − g 2 x2 cg bc [a > 0, b > 0, c > 0, g > 0] BI (138)(8, 11)a 4.311 Logarithmic functions and powers ∞ 19. ln 0 1 + x2 x2 dx π = (ln 4 − 1) 2 2 2 x 4 (1 + x ) 1 − x2 x2 1 ln2 20. 0 1 21. 0 ∞ ln 1 23. ln 0 1. ∞ ln 0 t2 1 + 2x cos t + x2 dx = − (1 + x)2 x 2 1 + 2x cos t + x2 p−1 2π (1 − cos pt) x dx = − (1 + x)2 p sin pπ dx 1 + x2 sin t √ = π ln cot 1 − x2 sin t 1 − x2 π−t 4 BI (115)(23), BI (134)(15) [0 < |p| < 1, |t| < π] [|t| < π] (x + 1) x + a2 dx 2 = (ln a) [a > 0] 2 (x + a) x 0 1 √ (1 − ax) 1 + ax2 dx 1 ln = √ arctan a ln(1 + a) 2 2 1 + ax 2 a (1 − ax2 ) 0 ∞ 1 3. ln 0 4. 0 11 2. 3. 4. 5. 6.8 1 − a2 x2 1 + ax2 (1 − 1 ln 4.311 2 ax2 ) (x + 1) x + a (x + a)2 2 BI (134)(14) [a > 0] BI (115)(25) √ dx 1 = √ arctan a ln(1 + a) 1 + ax2 a [a > 0] BI (115)(26) 2 xμ−1 dx = π (aμ − 1) μ sin μπ π cosec πn ln (1 + xn ) dx = xn n−1 0 ∞ dx 2π ln 1 + x3 = √ ln 3 2 1 − x + x 3 0 ∞ dx π2 π √ ln 3 − ln 1 + x3 = 1 + x3 9 3 0 ∞ x dx π2 π √ ln 3 + ln 1 + x3 = 1 + x3 9 3 0 ∞ 1−x 2 ln 1 + x3 dx = − π 2 3 1+x 9 0 √ ! ∞! 3! ! !1 − x ! dx = − π 3 ! a3 ! x3 6a2 0 BI (134)(17) GW (325)(21d) ln 2. 1. FI II 643a [|t| < π] 0 4.299 BI (139)(21) 1 − x2 dx = π 1 1 + 2x cos t + x2 dx = ln (1 + x)2 x 2 22. 565 [a > 0, Re μ > 0] BI (134)(16) ∞ n = 2, 3, . . . LI (136)(8) LI (136)(6) LI (136)(7) BI (136)(9) 566 4.312 Logarithmic Functions ∞ 1. ln π2 1 + x3 dx π √ ln 3 + = x3 1 + x3 9 3 BI (138)(12) ln π2 1 + x3 x dx π = √ ln 3 − 3 3 x 1+x 9 3 BI (138)(13) 0 ∞ 2. 0 4.313 1. 2. ∞ dx ln x ln 1 + a2 x2 2 = πa (1 − ln a) x 0 ∞ dx b ln 1 + c2 x2 ln a2 + b2 x2 2 = 2π c + x a 0 ∞ 3. 0 b ln 1 + c2 x2 ln a2 + 2 x 2 ∞ 4. [a > 0] BI (141)(7) [a > 0] LI (141)(8) π 2 + (ln a) x ln x − x − a dx = (x + a)2 x 1+a ∞ 0 ak p + k xp−1 − xq−1 dx = (−1)k+1 ln ln x k q+k k=1 ∞ 2. 0 (q − 1)x 1 1 + − (1 + x)2 x + 1 (1 + x)q [|a| < 1, 1 3. 4. 0 ln(1 + x)dx = ln 2 0 x ln x + 1 − x 1 x (ln x) ln 1 − x2 dx 2 x q 2 + (ln x) =− π ln Γ q p > 0, q > 0] BI (123)(18) dx = ln Γ(q) x ln(1 + x) [q > 0] BI (134)(24) 2 ln2 (1 − x) ln(1 + ax) b > 0] BI (134)(22, 23)a 2 (ln a) x ln x − x − a dx = 2 (x + a) x 2(a − 1) 1 1.11 a + bc > 0] BI (134)(25) 0 4.314 [a > 0, [a ≥ |b|] 0 ∞ a + bc dx a ln(a + bc) − ln a − c = 2π x2 b b BI (134)(20, 21)a b a2 + 2bx + x2 dx = 2π ln a arcsin 2 2 a − 2bx + x x a ∞ 7. ln x ln ln(1 + x) b ln b − c ln c a [a > 0, b > 0, c > 0] ln(b + ac) − [a > 0, 0 6. BI (134)(18) 1 + a2 x2 dx bb = π(a − b) + π ln 1 + b2 x2 x2 aa ∞ 5. [a > 0] ln x ln 0 4.312 4 π q+π π BI (143)(7) BI (126)(12) + q π ln 2q + ln − 1 2q π [q > 0] LI (327)(12)a 4.317 4.315 Logarithmic functions and powers 1 1. ln(1 + x) (ln x) n−1 ln(1 + x) (ln x) 2n ln(1 − x) (ln x) n−1 ln(1 − x) (ln x) 2n 0 1 2. 0 1 3. 0 1 4. 0 4.316 1 ln (1 − axr ) ln 1. 0 2. 0 4.317 1. 2. 3. 4. 5. 6. 7. 8. 9. 1 x dx 1 = (−1)n−1 (n − 1)! 1 − n x 2 ζ(n + 1) BI (116)(3) 22n+1 − 1 dx = π 2n+2 |B2n+2 | x (2n + 1)(2n + 2) BI (116)(1) dx = (−1)n (n − 1)! ζ(n + 1) x BI (116)(4) 22n dx =− π 2n+2 |B2n+2 | x (n + 1)(2n + 1) p BI (116)(2) ∞ ak 1 dx = − p+1 Γ(p + 1) x r k p+2 k=1 [p > −1, 1 567 1 ln 1 − 2ax cos t + a2 x2 ln x p dx = −2 Γ(p + 1) x ∞ k=1 a < 1, r > 0] ak cos kt k p+2 √ 1 + x2 + a dx √ ln √ = π arcsin a [|a| < 1] 2−a 1 + x2 1 + x 0 √ 1 √ 1 1 − a2 x2 − x 1 − a2 dx 2 = (arcsin a) ln 1−x x 2 0 v−t √ 1 cos dx 1 + cos t 1 − x2 2 √ = π cot t ln v+t 1 − cos t 1 − x2 x2 + tan2 v 0 sin 2 √ 1 π2 x + 1 − x2 x dx √ ln2 = 2 2 x − 1 − x2 1 − x 0 1 √ √ dx π 1 = ln(4k) K(k) + K (k ) ln 1 + kx + 1 − kx 2 2 2 4 8 (1 − x ) (1 − k x ) 0 1 √ √ 3 1 dx = ln(4k) K(k) + π K (k ) ln 1 + kx − 1 − kx 2 2 2 4 8 (1 − x ) (1 − k x ) 0 1 dx π 1 = ln k K(k) + K (k ) ln 1 + 1 − k 2 x2 2 4 (1 − x2 ) (1 − k 2 x2 ) 0 1 dx 3 1 = ln k K(k) − π K (k ) ln 1 − 1 − k 2 x2 2 ) (1 − k 2 x2 ) 2 4 (1 − x 0 √ 1 2 1 + p 1 − x2 dx √ = π arcsin p p <1 ln 2 1 − x 1−p 1−x 0 BI (116)(7) LI (116)(8) ∞ BI (142)(11) BI (115)(32) BI (115)(30) BI (115)(31) BI (121)(8) BI (121)(9) BI (121)(6) BI (121)(7) BI (115)(29) 568 Logarithmic Functions √ dx 1 + q 1 − k2 x2 √ = π F (arcsin q, k ) ln 2 2 2 1−q 1−k x (1 − x ) (1 − k 2 x2 ) 0 2 q <1 ! √ ∞ !! ! π2 ! 1 + 2 1 + x2 ! dx √ √ ln ! = ! ! 1 − 2 1 + x2 ! 1 + x2 3 −∞ 10. 11.10 4.318 4.318 1 1 1. 0 BI (122)(15) ln (1 − xq ) dx q ln q q q = π ln Γ +1 − + ln −1 2 2π 2 2π 2π 1 + (ln x) x % ∞ ln (1 + xr ) 2. 0 xq − xp (p − r)xp − (q − r)xq + 2 ln x (ln x) & [q > 0] BI (126)(11) pπ qπ dx cot = r ln tan xr+1 2r 2r [p < r, q < r] BI (143)(9) In integrals containing ln (a + bxr ), it is useful to make the substitution xr = t and then to seek the resulting integral in the tables. For example, ∞ 1 ∞ p −1 π xp−1 ln (1 + xr ) dx = t r ln(1 + t) dt = (see 4.293 3) pπ r 0 0 p sin r 4.319 ∞ dx 1 −2aπx ln 2aπ + a (ln a − 1) − ln Γ(a + 1) ln 1 − e = −π 1. 1 + x2 2 0 [a > 0] ∞ dx 1 ln 1 + e−2aπx = π ln Γ(2a) − ln Γ(a) + a (1 − ln a) − 2a − 2 1 + x 2 0 ln 2 2. ∞ 3. ln 0 [a > 0] b > −1, a a p a + be−px dx = ln ln a + be−qx x a+b q BI (354)(6) BI (354)(7) pq > 0 FI II 635, BI (354)(1) 4.321 ∞ x ln cosh x dx = 0 1. −∞ ∞ 2. ln cosh x −∞ 4.322 1.11 dx =0 1 − x2 π x ln sin x dx = 0 2. 0 ∞ BI (358)(2)a 1 2 π x ln cos2 x dx = − 0 ln sin2 ax π 1 − e−2ab ln dx = b2 + x2 b 2 BI (138)(20)a π2 ln 2 2 BI (432)(1, 2) FI II 643 [a > 0, b > 0] GW (338)(28b) 4.324 Logarithmic functions and powers ∞ 3. 0 ∞ 4. 0 ∞ 5.11 0 ∞ 6. 0 ln cos2 ax π 1 + e−2ab ln dx = b2 + x2 b 2 [a > 0, b > 0] GW (338)(28a) ln sin2 ax π2 + aπ dx = − b2 − x2 2b [a > 0, b > 0] BI (418)(1) ln cos2 ax dx = ∞ b2 − x2 BI (418)(2) ln cos2 x dx = −π x2 FI II 686 π/4 7.7 0 ln sin xxμ−1 dx = − 0 1 μ ln (1 − cos x) xμ−1 dx = − 0 ∞ 10. ln 1 ± 2p cos βx + p2 0 % ∞ ζ(2k) 2 ln 2 + − μ 42k−1 (μ + 2k) & k=1 μ π 2 π/2 9. μ π 4 1 ln sin xxμ−1 dx = − 2μ π/2 8.7 569 % [Re μ > 0] & LI (425)(1) [Re μ > 0] & ζ(2k) 42k−1 (μ + 2k) LI (430)(1) [Re μ > 0] LI (430)(2) ∞ ζ(2k) 1 −2 μ 4k (μ + 2k) k=1 1 μ π 2 μ % 2 − μ ∞ k=1 dx π = ln 1 ± pe−βq q 2 + x2 q π = ln p ± e−βq q p2 < 1 p2 > 1 FI II 718a 4.323 π x ln tan2 x dx = 0 1.11 BI (432)(3) 0 ∞ 2. 0 ln tan2 ax π dx = ln tanh ab 2 2 b +x b ∞ 3. ln 1 + tan x 1 − tan x ln 1 + sin x 1 − sin x 0 4.324 ∞ 1. 0 2. ∞ ln 0 2 2 [a > 0, b > 0] GW (338)(28c) π2 dx = x 2 GW (338)(26) dx = π2 x GW (338)(25) q2 1 + 2a cos px + a2 dx = ln(1 + a) ln 1 + 2a cos qx + a2 x p2 1 q2 = ln 1 + ln 2 a p [−1 < a ≤ 1] [a < −1 or a ≥ 1] GW (338)(27) 570 Logarithmic Functions ∞ 3. ln a2 sin2 px + b2 cos2 px 0 4.325 π dx = [ln (a sinh cp + b cosh cp) − cp] c2 + x2 c [a > 0, b > 0, c > 0, p > 0] GW (338)(29) 4.325 1 1.3 ln ln 0 1 x ∞ dx 1 ln k 2 = −C ln 2 + = −C ln 2 + 0.159868905 · · · = − (ln 2) (−1)k 1+x k 2 k=2 GW (325)(25a) 1 2. ln ln 1 x ln ln 1 x 0 1 3. 0 1 4. ln ln 1 x ln ln 1 x ln ln 1 x 0 1 5. 0 1 6. 0 1 7. ln ln 0 1 x ∞ (−1)k −ikλ e (C + ln k) k k=1 ∞ dx dx 1 = ln ln x = ψ (1 + x)2 (1 + x)2 2 1 dx = x + eiλ GW (325)(26) 1 2 + ln 2π = π 1 ln − C 2 2 √ 2π Γ 34 dx dx π = ln ln x = ln 1 + x2 1 + x2 2 Γ 14 1 √ ∞ 3 2π Γ 23 dx dx π = ln ln x = √ ln 1 + x + x2 1 + x + x2 Γ 13 3 1 ∞ dx dx 2π 5 √ ln 2π − ln Γ = ln ln x = 1 − x + x2 1 − x + x2 3 6 1 BI (147)(7) ∞ dx = 1 + 2x cos t + x2 ∞ ln ln x 1 dx π ln = 1 + 2x cos t + x2 2 sin t BI (148)(1) BI (148)(2) 1 6 BI (148)(5) 1 t + 2 2π 1 t − 2 2π (2π)t/π Γ Γ BI (147)(9) 8. 0 9. 1 1 1 ln ln xμ−1 dx = − (C + ln μ) x μ ∞ ln ln x 1 [Re μ > 0] BI (147)(1) xn−2 dx 1 + x2 + x4 + · · · + x2n−2 Γ n−1 π π π kπ k−1 tan ln 2π + ln = (−1) sin 2n 2n n n k=1 n−1 2 π π π tan ln π + = 2n 2n n k=1 kπ ln (−1)k−1 sin n n+k 2n k Γ 2n Γ n−k n k Γ n [n is even] [n is odd] BI (148)(4) 4.331 Logarithms and exponentials 1 10. ln ln 0 1 x dx (1 + x2 ) ln 1 x ∞ ln ln x = 1 = 571 dx √ (1 + x2 ) ln x ∞ √ (−1)k+1 √ π [ln(2k + 1) + 2 ln 2 + C] 2k + 1 k=0 BI (147)(4) 1 11. ln ln 1 x ln ln 1 x 0 1 12. 0 4.326 xμ−1 dx = − (C + ln 4μ) 1 ln x ln μ−1 1 x xν−1 dx = 1 ln (a − ln x) xμ−1 dx = 1. 0 2. 4.327 1 e ln 2 ln 1 − 1 x 0 1. 1 , + 2 ln a2 + (ln x) 0 π μ x2μ−1 1 2 dx = − [Ei(−μ)] ln x 2 2 Γ 2a+3π dx π π 4π 2a+π + ln = π ln 2 1+x 2 2 Γ 4π 1 + , dx 2 Γ a+3π π 2 2 4π a+π + ln π ln a + 4 (ln x) = π ln 2 1+x 2 Γ 4π 0 ∞ 3. 0 [Re μ > 0] BI (147)(3) 1 Γ(μ) [ψ(μ) − ln(ν)] νμ 1 [ln a − eaμ Ei(−aμ)] μ 2. [Re μ > 0, Re ν > 0] [Re μ > 0, a > 0] BI (147)(2) BI (107)(23) [Re μ > 0] BI (145)(5) + π, a>− 2 BI (147)(10) [a > −π] , + 2 2 ln a2 + (ln x) xμ−1 dx = [− cos aμ ci(aμ) − sin aμ si(aμ) + ln a] μ [a > 0, Re μ > 0] BI (147)(16)a GW (325)(28) If the integrand contains a logarithm whose argument also contains a logarithm, for example, if the integrand contains ln ln x1 , it is useful to make the substitution ln x = t and then seek the transformed integral in the tables. 4.33–4.34 Combinations of logarithms and exponentials 4.331 ∞ 1. e−μx ln x dx = − 1 (C + ln μ) μ [Re μ > 0] BI (256)(2) e−μx ln x dx = − 1 Ei(−μ) μ [Re μ > 0] BI (260)(5) 0 2. 1 ∞ 572 Logarithmic Functions 1 eμx ln x dx = − 3. 0 4.332 1. 2. 1 μ −1 dx x 1 μx 0 e 1 2π 5 ln x dx =√ ln 2π − ln Γ x −x − 1 6 3 6 0 e +e % & ∞ 2 √ Γ 3 π ln x dx 2π = √ ln x −x +1 Γ 13 3 0 e +e 4.332 [μ = 0] GW (324)(81a) ∞ (cf. 4.325 6) BI (257)(6) (cf. 4.325 5) BI (257)(7)a, LI (260)(3) 2 π 1 [Re μ > 0] e−μx ln x dx = − (C + ln 4μ) 4 μ 0 ∞ ∞ ln x dx C + ln 4k kπ 1 π √ sin 4.334 = (−1)k 2 2 x −x 2 3 3 +1+e k 0 e ∞ 4.333 BI (256)(8), FI II 807a BI (357)(13) k=1 4.335 1. 2. 3.7 1 π2 2 + (C + ln μ) [Re μ > 0] μ 6 0 √ ∞ π π2 2 2 −x2 e (ln x) dx = (C + 2 ln 2) + 8 2 0 ∞ 1 π2 3 3 (C + ln μ) − ψ (1) e−μx (ln x) dx = − (C + ln μ) + μ 2 0 ∞ 4.336 1.7 0 ∞ 2. 4.337 1. 0 4.7 5.∗ FI II 808 MI 26 e dx = −0.154479567 ln x e−μx dx 2 ∞ ET I 149(13) ∞ −x π 2 + (ln x) 0 3. 2 PV 2. e−μx (ln x) dx = = ν (μ) − eμ e−μx ln(β + x)dx = 1 ln β − eμβ Ei(−βμ) μ BI (260)(9) [Re μ > 0] MI 26 [|arg β| < π, Re μ > 0] BI (256)(3) ∞ 1 μ μ e−μx ln(1 + βx)dx = − e β Ei − ET I 148(4) [|arg β| < π, Re μ > 0] μ β 0 ∞ 1 ln a − e−aμ Ei(aμ) e−μx ln |a − x| dx = [a > 0, Re μ > 0] BI (256)(4) μ 0 ! ! ∞ ! β ! ! dx = 1 e−βμ Ei(βμ) e−μx ln !! [Re μ > 0] MI 26 ! β−x μ 0 % & ∞ ζ ζ−μ ζ−μ−k (−1)ζ−μ−1 1/a ζ! 1 1 ζ −x ln(1 + ax)x e dx = e Ei − (k − 1)! − + (ζ − μ)! aζ−μ a a 0 μ=0 k=1 4.338 1. 0 ∞ 2 e−μx ln β 2 + x2 dx = [ln β − ci(βμ) cos(βμ) − si(βμ) sin(βμ)] μ [Re β > 0, Re μ > 0] BI (256)(6) 4.352 Logarithms, exponentials, and powers ∞ 2. 0 4.341 1. 2. 3.11 2 2 ln β − eβμ Ei(−βμ) − eβμ Ei(βμ) e−μx ln2 x2 − β 2 dx = μ [Im β > 0, Re μ > 0] ! ! ∞ !x + 1! ! dx = 1 e−μ (ln 2μ + γ) − eμ Ei(−2μ) e−μx ln !! ! x−1 μ 0 [Re μ > 0] √ √ ∞ x + ai + x − ai π √ [H0 (aμ) − Y 0 (aμ)] dx = e−μx ln 4μ 2a 0 [a > 0, Re μ > 0] 4.339 4.342 573 BI (256)(5) MI 27 ET I 149(20) 1 1 + ln 2 − 2 β(2n + 1) e ln (sinh x) dx = 2n n 0 ∞ μ 1 1 e−μx ln (cosh x) dx = β − [Re μ > 0] μ 2 μ 0 ∞ 1 μ 1 μ −μx e [ln (sinh x) − ln x] dx = ln − − ψ μ 2 μ 2 0 ET I 165(32) [Re μ > 0] ET I 165(33) ∞ π 4.343 −2nx BI (256)(17) eμ cos x ln 2μ sin2 x + C dx = −π K 0 (μ) WA 95(16) 0 4.35–4.36 Combinations of logarithms, exponentials, and powers 4.351 1 1. (1 − x)e−x ln x dx = 0 2. 0 1 e ∞ 1. 0 ∞ 2. 0 3. 0 BI (352)(2) ∞ −μx 1 BI (352)(1) 1 eμx μx2 + 2x ln x dx = 2 [(1 − μ)eμ − 1] μ 3. 4.352 1−e e ∞ 1 ln x 2 dx = eμ [Ei(−μ)] 1+x 2 xν−1 e−μx ln x dx = 1 Γ(ν) [ψ(ν) − ln μ] μν [Re μ > 0] [Re μ > 0, 1 n! 1 1 xn e−μx ln x dx = n+1 1 + + + · · · + − C − ln μ μ 2 3 n [Re μ > 0] √ (2n − 1)!! 1 1 1 1 xn− 2 e−μx ln x dx = π 2 1 + + + ··· + 1 n+ n 3 5 2n − 1 2 μ 2 [Re μ > 0] NT 32(10) Re ν > 0] BI (353)(3), ET I 315(10)a − C − ln 4μ ET I 148(7) ET I 148(10) 574 Logarithmic Functions ∞ 4. 4.353 xμ−1 e−x ln x dx = Γ (μ) [Re μ > 0] GW (324)(83a) (x − ν)xν−1 e−x ln x dx = Γ(ν) [Re ν > 0] GW (324)(84) [Re μ > 0] BI (357)(2) 0 4.353 ∞ 1. 0 ∞ 1 μx − n − 2 2. 0 n− 12 −μx x e (2n − 1)!! ln x dx = (2μ)n 1 (μx + n + 1)xn eμx ln x dx = eμ 3. 0 n (−1)k−1 k=0 π μ n! n! + (−1)n n+1 k+1 (n − k)!μ μ [μ = 0] 4.354 1. ∞ 6 0 GW (324)(82) ∞ (−1)k−1 xν−1 ln x dx = Γ(ν) [ψ(ν) − ln k] ex + 1 kν k=1 1 2 = − (ln 2) 2 [Re ν > 0] [for ν = 1] GW (324)(86a) ∞ 2.7 ∞ 3. ∞ 4. 0 ∞ 1. 0 ∞ 2. 0 3. 0 + 1) ∞ (−1) (k − 1) [ψ(ν) − ln k] kν k xν−1 ln x dx = Γ(ν) x2n−1 ln x dx = xν−1 ln x n Γ(ν) n dx = (−1) x (n − 1)! (e + 1) 2 −μx2 ∞ k=1 (x − 2n)ex − 2n x e 2 (ex + 1) ∞ ∞ k=2 2 5. 4.355 + 1) dx = Γ(ν) (x − ν)ex − ν 0 ln x 2 (ex 0 x (ex 0 ν−1 (−1)k−1 kν [Re ν > 1] GW (324)(86b) [Re ν > 0] GW (324)(87a) [n = 1, 2, . . .] GW (324)(87b) 22n−1 − 1 2n π |B2n | 2n ∞ k=n (−1)k (k − 1)! [ψ(ν) − ln k] (k − n)!k ν 1 (2 − ln 4μ − C) ln x dx = 8μ π μ 2 ν 1 + x μx2 − νx − 1 e−μx +2νx ln x dx = 4μ 4μ 2 2 (n − 1)! μx − n x2n−1 e−μx ln x dx = 4μn [Re ν > 0] GW (324)(86c) [Re μ > 0] BI (357)(1)a π exp μ ν2 μ 1+Φ ν √ μ [Re μ > 0] BI (358)(1) [Re μ > 0] BI (353)(4) 4.356 Logarithms, exponentials, and powers ∞ 4. 0 2 (2n − 1)!! 2μx2 − 2n − 1 x2n e−μx ln x dx = 2(2μ)n 575 π μ [Re μ > 0] 4.356 1. 2. BI (353)(5) + dx x a , + ln x = 2 ln a K 0 (2μ) exp −μ [a > 0, Re μ > 0] GW (324)(91) a x x 0 ∞ 1 b exp −ax − ln x 2ax2 − (2n + 1)x − 2b xn− 2 dx x 0 n ∞ b 2 π −2√ab (n + k)! e =2 k √ a a k=0 (n − k)!(2k)!! 2 ab ∞ [a > 0, ∞ 3. exp −ax − 0 b x b > 0] dx ln x 2ax2 + (2n − 1)x − 2b n+ 3 x 2 n ∞ π −2√ab a 2 e =2 b a k=0 2ax2 − x − 2b √ dx = 2 ln x x x (n + k − 1)! √ (n − k − 1)!(2k)!! 2 ab k [a > 0, b > 0] BI (357)(11) [a > 0, b > 0] GW (324)(92c) π −2√ab e a [a > 0, b > 0] For n = 12 : ∞ √ ax2 − b a ln x exp −ax − dx = 2 K 0 2 ab 4. 2 x x 0 For n = 0: ∞ b 5. exp −ax − x 0 BI (357)(4) BI (357)(7), GW(324)(92a) For n = −1: ∞ b exp −ax − 6. x 0 7.9 0 ln x √ 1 + 2 ab π −2√ab 2ax2 − 3x − 2b √ e dx = a a x [a > 0, b > 0] LI (357)(6), GW (324)(92b) ∞ exp −ax − b x ln x a − b x2 √ dx = K 0 2 ab [a > 0, b > 0] 576 Logarithmic Functions 8. ∞ 9 exp −ax − 0 3 ln x 2ax2 − (2n + 1)x − 2b xn− 2 dx b x =4 =2 ∞ 9.9 exp −ax − 0 4.357 b a b a (2n+1)/4 n 2 √ K n+ 12 2 ab π −2√ab e a n k √ (n − k)!(2k)!! 2 ab [n = 0, 1, . . . , a > 0, b > 0] dx ln ax2 − b cos (α ln x) + αx sin (α ln x) 2 x √ = 2 cos α ln b/a K iα 2 ab b x k=0 [a > 0, ∞ 10.9 exp −ax − 0 (n + k)! b x ln x b > 0, dx ax2 − b sin (α ln x) − αx cos (α ln x) 2 x −∞ < α < ∞] = 2 sin α ln ∞ b α b q xα ln x a − − 2 exp −ax − x x x 0 [a > 0, 11.9 dx = 2 b a α/2 ∞ 1. 0 ∞ 2. 0 ∞ 3. 0 1 + x4 exp − 2ax2 exp − 1 + x4 2ax2 1 + x4 exp − 2ax2 √ b/a K iα 2 ab −∞ < α < ∞] √ K α 2 ab [a > 0, 4.357 b > 0, b > 0, −∞ < α < ∞] √ 2a3 π 1 + ax2 − x4 dx = − √ ln x 2 x 2ae √ 2a3 π x4 + ax2 − 1 √ dx = ln x 4 x 2ae [a > 0] BI (357)(8) [a > 0] BI (357)(9) √ (1 + a) 2a3 π x4 + 3ax − 1 √ dx = ln x x6 2ae [a > 0] 4.358 1. ∞ 6 1 0 3.9 0 m dx = ∂ m −ν μ Γ(ν, μ) ∂ν m [m = 0, 1, . . . , Re μ > 0, Re ν > 0] MI 26 ∞ 2. xν−1 e−μx (ln x) BI (357)(10) ∞ Γ(ν) 2 2 xν−1 e−μx (ln x) dx = ν [ψ(ν) − ln μ] + ζ(2, ν) μ [Re μ > 0, Re ν > 0] Γ(ν) 3 3 xν−1 e−μx (ln x) dx = ν [ψ(ν) − ln μ] + 3 ζ(2, ν) [ψ(ν) − ln μ] − 2 ζ(3, ν) μ [Re μ > 0, Re ν > 0] MI 26 MI 26 4.364 Logarithms, exponentials, and powers 4. ∞ 7 Γ(ν) ν xν−1 e−μx (ln x) dx = 4 577 4 [ψ(ν) − ln μ] + 6 ζ(2, ν) [ψ(ν) − ln μ] 2 −8 ζ(3, ν) [ψ(ν) − ln μ] + 3 [ζ(2, ν)] + 6 ζ(4, ν) 0 2 [Re μ > 0, ∞ 5.3 ∂ n −ν μ Γ(ν) n ∂ν xν−1 e−μx (ln x) dx = n 0 4.359 ∞ 1. e−μx 0 [n = 0, 1, 2, . . .] xp−1 − xq−1 1 dx = [λ(μ, p − 1) − λ(μ, q − 1)] ln x μ [Re μ > 0, 1 eμx 2.11 0 4.361 ∞ 1. ∞ 2. (x + 1)e−μx + 2 k=0 [p > 0, q > 0] ∞ 2. ∞ 1. 0 2. [Re μ > 0] MI 27 2 e−μx ln(2x − 1) 1 e−μx ln(a + x) 0 [Re μ > 0] ET I 148(8) μ(x + a) ln(x + a) − 2 dx x+a ∞ 1 μ(x − a) ln2 (x − a) − 4 2 dx = (ln a) = e−μx ln2 (a − x) 4 0 x−a [Re μ > 0, a > 0] BI (354)(4, 5) x(1 − x)(2 − x)e−(1−x) ln(1 − x) dx = ∞ BI (352)(5)a 1+ μ ,2 dx = Ei − x 2 2 2 0 1. BI (352)(9) , = eμ − ν(μ) e−μx dx 1 MI 27 MI 27 xex ln(1 − x) dx = 1 − e q > 0] [Re μ > 0] 0 4.364 μk p + k ln k! q+k p > 0, 1 1. 4.363 ∞ dx = ν (μ) − ν (μ) x π 2 + (ln x) 0 4.362 xp−1 − xq−1 dx = ln x π 2 + (ln x) 0 Re ν > 0] e−μx ln[(x + a)(x + b)] 1−e 4e BI (352)(4) dx = e(a+b)μ {Ei(−aμ) Ei(−bμ) − ln(ab) Ei[−(a + b)μ]} x+a+b [a > 0, b > 0, Re μ > 0] BI (354)(11) 578 Logarithmic Functions ∞ 2. 1 1 + x+a x+b e−μx ln(x + a + b) 0 4.365 dx = (1 + ln a ln b) ln(a + b) + e−(a+b)μ {Ei(−αμ) Ei(−bμ)} + (1 − ln(ab)) Ei[−(a + b)μ] [a > 0, ∞ 4.365 e−x − 0 4.366 1. 2. 3. ∞ x (1 + x)p+1 ln(1 + x) dx = ln p x b > 0, [p > 0] e−μx ln 1 + [Re μ > 0] ; ∞ BI (354)(12) BI (354)(15) x2 dx 2 2 = [ci(aμ)] + [si(aμ)] [Re μ > 0] 2 a x 0 ! ! ∞ ! x2 ! dx = Ei(aμ) Ei(−aμ) [Re μ > 0] e−μx ln !!1 − 2 !! a x 0 ! ! ∞ ! 1 + x2 ! −μx2 ! dx = 1 [cosh μ sinh(iμ) − sinh μ cosh(iμ)] ! xe ln ! 2 1−x ! μ 0 NT 32(11)a ME 18 (cf. 4.339) MI 27 x2 + 2β eβμ √ K 0 (βμ) [|arg β| < π, Re μ > 0] ET I 149(19) dx = 4μ 2β 0 2u + 2 2 , x2 4u2 − x2 2 dx π −2u2 μ π √ e Y 2iu e−μx ln = μ − (C − ln 2) J 0 0 2iu μ u4 2 2 4u2 − x2 0 ET I 149(21)a [Re μ > 0] 4.367 4.368 4.369 Re μ > 0] ∞ 1. xe−μx ln ∞ x+ xν−1 e−μx [ψ(ν) − ln x] dx = 0 2. 2 xn e−μx ln x − 0 1 2 Γ(ν) ln μ μν 2 ψ(n + 1) − 1 2 [Re ν > 0] ψ (n + 1) dx = n! μn+1 ET I 149(12) 2 1 1 ln μ − ψ(n + 1) + ψ (n + 1) 2 2 [Re μ > 0] MI 26 4.37 Combinations of logarithms and hyperbolic functions 4.371 ∞ 1. 0 2. 0 ∞ ln x dx = π ln cosh x %√ & 2π Γ 34 Γ 14 π ln x dx = ln cosh x + cos t sin t LI (260)(1)a π+t 2π π−t 2π (2π)t/π Γ Γ t2 < π 2 BI (257)(7)a 4.374 Logarithms and hyperbolic functions ∞ 3. 0 4.372 ln x dx =ψ cosh2 x ∞ 1. ln x 1 1 2 579 + ln π = ln π − 2 ln 2 − C BI (257)(4)a n−1 π mπ π sinh mx kmπ Γ n+k dx = tan ln 2π + ln 2n (−1)k−1 sin k sinh nx 2n 2n n n Γ 2n k=1 n−1 2 π mπ π kmπ Γ n−k k−1 n = tan ln π + ln (−1) sin 2n 2n n n Γ nk k=1 [m + n is odd] [m + n is even] BI (148)(3)a ∞ 2. ln x 1 cosh mx dx cosh nx n π (2k − 1)mπ Γ 2n+2k−1 π ln 2π k−1 4n ln + (−1) cos = 2n cos mπ n 2n Γ 2k−1 2n 4n k=1 n−1 2n−2k+1 2 π ln π π (2k − 1)mπ Γ 2n 2k−1 = ln (−1)k−1 cos mπ + 2n cos 2n n 2n Γ 2n k=1 [m + n is odd] [m + n is even] BI (148)(6)a 4.373 ∞ 1. 0 2. 3. ∞ % & ln a2 + x2 2 Γ 2ab+3π 2b π 4π − ln dx = 2 ln cosh bx b π Γ 2ab+π 4π + b > 0, ln 1 + x2 dx 4 πx = 2 ln cosh π 0 2 a+5 2 ∞ 2 Γ 6 sinh π 6 Γ a+4 2 3 πx 6 dx = 2 sin ln a+1 a+2 ln a + x sinh πx 3 Γ 6 Γ 6 0 ∞ 4. ln 1 + x2 0 π dx 2 a −ψ = ln + a π 2a sinh2 ax π+a π [a > −1] . [a > 0] π cosh 2 x 2π − 4 ln 1 + x dx = π 2 π 0 x sinh 2 π √ ∞ √ √ cosh 4 x 16 8 2 2 dx = 4 + ln ln 1 + x 2 − 2+1 π π π 0 x sinh2 4 5. 6. 4.374 1. 0 ∞ ∞ 2 ln cos2 t + e−2x sin2 t dx = −2t2 sinh x a>− π, . 2b BI (258)(11)a BI (258)(1)a BI (258)(12) BI (258)(5) BI (258)(3) BI (258)(2) BI (259)(10)a 580 Logarithmic Functions ∞ 2. ln a + be 0 −2x 4.375 a+b dx 2 ln(a + b) − a ln a − b ln 2 = (b − a) 2 cosh2 x [a > 0, 4.375 ∞ 1.11 ln cosh 0 ln coth x 0 4.376 ∞ 1. 0 BI (259)(11) π dx = ln 2 cosh x 2 BI (259)(16) ∞ √ (−1)k+1 ln x √ √ dx = 2 π {ln(2k + 1) + 2 ln 2 + C} x cosh x 2k + 1 ∞ ln x 0 LI (259)(14) BI (147)(4) k=0 2. ∞ ∞ (−1)k+1 (μ + 1) cosh x − x sinh x μ dx = 2 Γ(μ + 1) x 2 (2k + 1)μ+1 cosh x k=0 [Re μ > −1] BI (356)(10) [n = 1, 2, . . .] BI (356)(9)a (n + 1) cosh x − x sinh x n (−1) (n) 1 β x dx = 2 2n 2 cosh x 0 ∞ 2n n sinh 2ax − ax 2n−1 1 π ln 2x dx = − |B2n | x 2 n a sinh ax 0 3. n ln x 4. ∞ 5. ln x ∞ 6. ln x 0 ∞ 7. ln 0 6 −1 ax cosh ax − (2n + 1) sinh ax 2n 2 (2n)! ζ(2n + 1) x dx = 2 2 2n+1 (2a) sinh ax 2n+1 0 8. π x dx = G − ln 2 2 cosh x 4 ∞ 2. a + b > 0] ax cosh ax − 2n sinh ax 2n−1 22n−1 − 1 π 2n |B2n | dx = x 2 2n a sinh ax [n = 1, 2, . . . , a > 0] (2n + 1) cosh ax − ax sinh ax 2n π x dx = − 2 2a cosh ax 2n+1 9.6 ln x 0 BI (356)(11) 2n |B2n | n = 1, 2, . . . [a > 0] ∞ 2ax cosh ax − (2n + 1) sinh ax 2n 1 x dx = a sinh3 ax π a 2n BI (356)(15) |E2n | [a > 0] ⎧2 π ⎪ 22n−1 − 1 ⎪ ∞ ⎨ a 2a 2ax sinh ax − (2n + 1) cosh ax 2n ln x x dx = 1 3 ⎪ cosh ax 0 ⎪ ⎩ a BI (356)(14) n=0 BI (356)(2) |B2n | [a > 0, n = 1, 2, . . .] BI (356)(6)a 4.382 Logarithms and trigonometric functions ln x 0 x t 2 − 6 cos2 2 2 x2 dx = π − t t 2 3 sin t (cosh x + cos t) x sinh x − 6 sinh2 ∞ 10. 581 [0 < t < π] BI (356)(16)a ∞ cosh πx + πx sinh πx dx ln 1 + x2 =4−π x2 cosh2 πx 0 ∞ cosh πx + πx sinh πx dx 12. ln 1 + 4x2 = 4 ln 2 x2 cosh2 πx 0 ∞ ax − n 1 − e−2ax 2n−1 1 π 4.377 ln 2x dx = x 2 2n a sinh ax 0 11. BI (356)(12) BI (356)(13) 2n |B2n | [n = 1, 2, . . .] LI (356)(8)a 4.38–4.41 Logarithms and trigonometric functions 4.381 1. 2. 3. 4. 4.382 1. 2.10 1 1 ln x sin ax dx = − [C + ln a − ci(a)] a 0 1 π, 1+ ln x cos ax dx = − si(a) + a 2 0 2π 1 ln x sin nx dx = − [C + ln(2nπ) − ci(2nπ)] n 0 2π 1+ π, ln x cos nx dx = − si(2nπ) + n 2 0 [a > 0] GW (338)(2a) [a > 0] BI (284)(2) GW (338)(1a) GW (338)(1b) ! ! !x + a! ! sin bx dx = π sin ab ! [a < 0, b > 0] ln ! x − a! b 0 ! ∞ ! + , !x + a! ! cos bx dx = 2 cos(ab) si(ab) + π − sin(ab) ci(ab) ! ln ! ! x−a b 2 0 ∞ ∞ 3. ln 0 ∞ 4. ln 0 5. x2 + x + a2 2π exp −b sin bx dx = x2 − x + a2 b a2 − 1 4 b > 0] [a > 0, b > 0, ET I 18(9) c > 0] FI III 648a, BI (337)(5) sin b 2 [b > 0] ∞ ln 0 a2 + x2 π −bc e cos cx dx = − e−ac 2 2 b +x c [a > 0, ET I 77(11) (x + β)2 + γ 2 2π −γb e sin bx dx = sin βb (x − β)2 + γ 2 b [Re γ > 0, ET I 77(12) |Im β| ≤ Re γ, b > 0] ET I 77(13) 582 Logarithmic Functions 4.383 1. ∞ 0 ∞ 2. 0 4.384 β ln 1 + e−βx cos bx dx = 2 − 2b π 2b sinh πb β β π coth ln 1 − e−βx cos bx dx = 2 − 2b 2b πb β 4.383 [Re β > 0, b > 0] ET I 18(13) [Re β > 0, b > 0] ET I 18(14) 1 1. ln (sin πx) sin 2nπx dx = 0 GW (338)(3a) 0 1 2.7 1/2 ln (sin πx) sin(2n + 1)πx dx = 2 ln (sin πx) sin(2n + 1)πx dx % & n 1 1 2 −2 ln 2 − = (2n + 1)π 2n + 1 2k − 1 0 0 k=1 GW (338)(3b) 1 3.6 1/2 ln (sin πx) cos 2nπx dx = 2 0 ln (sin πx) cos 2nπx dx 0 = − ln 2 1 =− 2n 4. [n = 0] [n > 0] GW (338)(3c) 1 ln (sin πx) cos(2n + 1)πx dx = 0 GW (338)(3d) 0 π/2 ln sin x sin x dx = ln 2 − 1 5. BI (305)(4) 0 6. π/2 ln sin x cos x dx = −1 ⎧ ⎪ π/2 ⎨− π , for n > 0 4n ln sin x cos 2nx dx = π ⎪ 0 ⎩− ln 2, for n = 0 2 π π cos 2mn ln sin x cos[2m(x − n)] dx = − 2m 0 π/2 π ln sin x sin2 x dx = (1 − ln 4) 8 0 π/2 π ln sin x cos2 x dx = − (1 + ln 4) 8 0 π/2 1 ln sin x sin x cos2 x dx = (ln 8 − 4) 9 0 π/2 π2 ln sin x tan x dx = − 24 0 BI (305)(5) 0 7. 8. 9. 10. 11. 12. LI (305)(6) LI (330)(8) BI (305)(7) BI (305)(8) BI (305)(9) BI (305)(11) 4.384 Logarithms and trigonometric functions π/2 13. π 0 ln sin x 0 18. p2 < 1 a2 < 1 a2 > 1 FI II 484 BI (331)(8) ln sin bx 0 17. dx π 1 − a2 = ln 1 − 2a cos x + a2 1 − a2 2 a2 − 1 π ln = 2 a −1 2a2 π 16. ln (1 + p cos x) dx = π arcsin p cos x π 15. BI (305)(16, 17) 0 14. π/2 ln sin 2x cos x dx = 2 (ln 2 − 1) ln sin 2x sin x dx = 0 583 dx π 1−a = ln 2 2 1 − 2a cos x + a 1−a 2 2b a2 < 1 BI (331)(10) 2 dx π 1 + a2b a <1 = ln 2 2 1 − 2a cos x + a 1−a 2 0 π/2 π dx 1 dx ln sin x = ln sin x 2 1 − 2a cos 2x + a 2 1 − 2a cos 2x + a2 0 0 1−a π ln = 2 (1 − a2 ) 2 a−1 π ln = 2 (a2 − 1) 2a π ln cos bx ln sin bx dx π 1−a = ln 1 − 2a cos 2x + a2 1 − a2 2 ln cos bx dx π 1 + ab = ln 2 2 1 − 2a cos 2x + a 1−a 2 0 π 20. 0 π/2 21. 0 1+p ln cos x dx π ln = 2 2 1 − 2p cos 2x + p 2 (1 − p ) 2 p+1 π ln = 2 (p2 − 1) 2p π ln sin x 0 ln sin bx 0 24. a2 > 1 a2 < 1 a2 < 1 p2 < 1 p2 > 1 BI (331)(18) BI (331)(21) cos x dx = 1 − 2a cos 2x + a2 a2 < 1 a2 > 1 LI (331)(9) π ln cos bx 0 cos x dx =0 1 − 2a cos 2x + a2 [0 < a < 1] π ln sin x 0 b aπ ln 2 cos x dx π 1 + a2 = ln 1 − a2 − 2 2 1 − 2a cos x + a 2a 1 − a 1 − a2 2 2 π a +1 a −1 π ln 2 ln = − 2a a2 − 1 a2 a (a2 − 1) π 23. a2 < 1 BI (321)(8) 22. BI (321)(1), BI (331)(13) π 19. BI (331)(11) π ln 2 cos2 x dx π 1+a ln(1 − a) − = 1 − 2a cos 2x + a2 4a 1 − a 2(1 − a) π a+1 a−1 π ln 2 = ln − 4a a − 1 a 2a(a − 1) BI (331)(19, 22) [0 < a < 1] [a > 1] BI (331)(16) 584 Logarithmic Functions π/2 25. ln sin x 0 cos 2x dx 1 = 1 − 2a cos 2x + a2 2 4.385 π cos 2x dx 1 − 2a cos 2x + a2 1 + a2 π 2 ln(1 − a) − a = ln 2 2a (1 − a2 ) 2 1 + a2 a − 1 π ln − ln 2 = 2a (a2 − 1) 2 a ln sin x 0 2 a <1 2 a >1 BI (321)(2), BI (331)(15), LI (321))(2) π/2 26. 0 cos 2x dx π ln cos x = 2 1 − 2a cos 2x + a 2a (1 − a2 ) π = 2a (a2 − 1) 1 + a2 2 ln(1 + a) − a ln 2 2 1 + a2 1 + a ln − ln 2 2 a a2 < 1 a2 > 1 BI (321)(9) 4.385 1. 2. 3. √ π a2 − b 2 dx √ =√ ln sin x ln [a > 0, a > b] 2 2 a + b cos x a −b a + a2 − b 2 0 π/2 π/2 dx dx ln sin x ln cos x 2 = 2 (a sin x ± b cos x) (a cos x ± b sin x) 0 0 1 a bπ = ∓a ln − b (a2 + b2 ) b 2 [a > 0, b > 0] π/2 π/2 b ln sin x dx ln cos x dx π ln = = 2 sin2 x + b2 cos2 x 2 sin2 x + a2 cos2 x 2ab a + b a b 0 0 π [a > 0, π/2 ln sin x 4. 0 sin 2x dx 2 = a sin2 x + b cos2 x = π/2 ln cos x 0 π/2 5. 0 2 b sin x + a cos2 x a2 sin2 x − b2 cos2 x ln sin x 2 dx = a2 sin2 x + b2 cos2 x 0 π/2 ln cos x ln sin x sin x 2 dx = π/2 0 b > 0] BI (319)(3, 7), LI (319)(3) a2 cos2 x − b2 sin2 x 2 dx a2 cos2 x + b2 sin2 x π 2b(a + b) cos x ln cos x π √ dx = − ln 2 8 1 + cos2 x 1 + sin x π/2 3 π/2 sin x ln sin x cos3 x ln cos x ln 2 − 1 √ dx = dx = 2 2 4 1 + cos x 0 0 1 + sin x 0 2. π/2 BI (317)(4, 10) sin 2x dx [a > 0, 1. b > 0] a 1 ln 2b(b − a) b = 4.386 BI (319)(1,6)a 2 [a > 0, BI (331)(6) b > 0] LI (319)(2, 8) BI (322)(1, 6) BI (322)(2, 7) 4.387 Logarithms and trigonometric functions π/2 3. 0 π/2 4. 0 4.387 1. 2. ln sin x dx 1− k2 585 π 1 = − K(k) ln k − K (k ) 2 4 sin x BI (322)(3) 2 k π ln cos x dx 1 = K(k) ln − K (k ) 2 2 2 k 4 1 − k sin x π/2 BI (322)(9) π/2 ln sin x sinμ x cosν x dx = ln cos x cosμ x sinν x dx 0 0 μ+1 ν+1 μ+1 μ+ν+2 1 , = B ψ −ψ 4 2 2 2 2 [Re μ > −1, Re ν > −1] GW (338)(6c) √ μ π/2 πΓ μ+1 μ μ−1 2 −ψ ln sin x sin x dx = ψ μ+1 2 2 0 4Γ 2 [Re μ > 0] 3. 4. 5. 6. √ ν π/2 πΓ ν−1 2 ln sin x cos x dx = ν+1 0 4Γ 2 ν −ψ ψ 2 GW (338)(6a) ν+1 2 [Re ν > 0] π/2 2n (2n − 1)!! π (−1)k+1 2n − ln 2 ln sin x sin x dx = (2n)!! 2 k 0 k=1 2n+1 π/2 (−1)k (2n)!! 2n+1 + ln 2 ln sin x sin x dx = (2n + 1)!! k 0 k=1 % n & π/2 (2n − 1)!! π 1 2n + ln 4 ln sin x cos x dx = − (2n)!! 4 k 0 k=1 (2n − 1)!! π [C + ψ(n + 1) + ln 4] =− (2n)!! 4 GW (338)(6b) FI II 811 BI (305)(13) BI (305)(14) π/2 1 (2n)!! (2n + 1)!! 2k + 1 k=0 (2n)!! 3 =− ψ n+ 2(2n + 1)!! 2 ln sin x cos2n+1 x dx = − 7. 0 n −ψ 1 2 GW (338)(7b) π/2 ln cos x sin2n x dx = − 8. 0 (2n − 1)!! π {C + 2 ln 2 + ψ(n + 1)} 2n+1 · n! 2 BI (306)(8) 586 Logarithmic Functions π/2 9. 0 (2n − 1)!! π ln cos x cos2n x dx = − 2n n! 2 ln cos x cos2n x dx = 0 ln 2 + 2n (−1)k k=1 k % π/2 10. 4.388 2n−1 (−1)k 2n−1 (n − 1)! ln 2 + (2n − 1)!! k BI (306)(10) & k=1 BI (306)(9) 4.388 1. 2. 3. 4. 5. 6. % & n−1 1 (−1)k sin2n x 1 nπ ln 2 + (−1) + ln sin x 2n+2 dx = cos x 2n + 1 2 4 2n − 2k − 1 0 k=0 % & π/4 n−1 (−1)k 1 sin2n−1 x n − ln 2 + (−1) ln 2 + ln sin x 2n+1 dx = cos x 4n n−k 0 k=1 % & π/4 n 1 1 (−1)k−1 sin2n x n+1 π + − ln 2 + (−1) ln cos x 2n+2 dx = cos x 2n + 1 2 4 2n − 2k + 1 0 k=0 % & π/4 n−1 (−1)k 1 sin2n−1 x n − ln 2 + (−1) ln 2 + ln cos x 2n+1 dx = cos x 4n n−k 0 k=0 π/2 π pπ sinp−1 x [0 < p < 2] ln sin x p+1 dx = − cosec cos x 2p 2 0 π/2 2 1 π pπ dx = sec p <1 ln sin x p−1 4 p − 1 2 tan x sin 2x 0 4.389 1. π/4 (2n − 1)!! π (2n)!! 4n + 2 π ln sin x sin2n 2x cos 2x dx = − 0 π/4 ln sin x cosn 2x sin 2x dx = − 2. 0 ln cos x cosμ−1 2x tan 2x dx = 0 π/2 0 π/2 ln cos x cosμ−1 x sin x dx = − 5.3 0 ln cos x cosp x cos px dx = −π 2 0 BI (310)(3) 1 μ2 BI (306)(11) π [C + ψ(p + 1) − 2 ln 2] 2p+1 π/2 ln cos x cosp−1 x sin px sin x dx = 6. BI (310)(4) BI (286)(2) [Re μ > 0] π 2 BI (288)(11) 1 β(μ) 4(1 − μ) ln sin x sinμ−1 x cos x dx = 4. BI (288)(10) BI (285)(2) [Re μ > 0] LI (288)(2) BI (330)(9) 1 {C + ψ(n + 2) + ln 2} 4(n + 1) π/4 3. BI (288)(1) π 2p+2 [p > −1] 1 C + ψ(p) − − 2 ln 2 p [p > 0] BI (306)(12) 4.394 4.391 Logarithms and trigonometric functions π/4 π/4 n 0 n (ln sin 2x) sinp−1 2x tan (ln cos 2x) cosp−1 2x tan x dx = 1. 587 0 [p > 0] π/4 n (ln sin 2x) sinp−1 2x tan 2. 0 π/4 3. 2n−1 (ln cos 2x) tan x dx = 0 π/4 4. 2n (ln cos 2x) tan x dx = 0 4.392 π/4 1. 0 π 1 − x dx = β (n) (p) 4 2 BI (286)(10), BI (285)(18) (−1)n n! π + x dx = ζ(n + 1, p) 4 2 1 − 22n−1 2n π |B2n | 4n BI (285)(17) [n = 1, 2, . . .] BI (286)(7) 22n 1 (2n)! ζ(2n + 1) 22n+1 BI (286)(8) % & n−1 (−1)k−1 1 1 sin2n x n+1 π dx = − ln 2 + +2 ln (sin x cos x) (−1) cos2n+2 x 2n + 1 2 2n + 1 2n − 2k − 1 k=0 % π/4 2. ln (sin x cos x) 0 (−1)k 1 sin2n−1 x 1 n n dx = + (−1) (−1) ln 2 − ln 2 + cos2n+1 x 2n 2n k n−1 & BI (294)(8) k=1 BI (294)(9) 4.393 π/2 1. ln tan x sin x dx = ln 2 BI (307)(3) ln tan x cos x dx = − ln 2 BI (307)(4) 0 π/2 2. 0 π/2 3. ln tan x sin2 x dx = − 0 π/4 0 sin x ln cot 0 π/2 1. 0 π 4 BI (307)(5, 6) π2 ln tan x dx = − cos 2x 8 π/2 5. 4.394 ln tan x cos2 x dx = 0 4. π/2 GW (338)(10b)a x dx = ln 2 2 LO III 290 1−a ln tan x dx π ln = 2 2 1 − 2a cos 2x + a 2 (1 − a ) 1 + a a−1 π ln = 2 2 (a − 1) a + 1 a2 < 1 a2 > 1 BI (321)(15) 2. 0 π/2 ln tan x cos 2x dx π 1+a 1−a = ln 2 2 1 − 2a cos 2x + a 4a 1 − a 1+a π a2 + 1 a − 1 ln = 4a a2 − 1 a + 1 2 a2 < 1 a2 > 1 BI (321)(16) 588 Logarithmic Functions π 3. 0 π 4. 0 ln tan bx dx π 1 − ab = ln 1 − 2a cos 2x + a2 1 − a2 1 + ab [0 < a < 1, ln tan bx cos x dx =0 1 − 2a cos 2x + a2 [0 < a < 1] ln tan x arcsin a cos 2x dx =− (π + arcsin a) 1 − a sin 2x 4a ln tan x π cos 2x dx = − arcsin a 2 2 4a 1 − a sin 2x π/4 5. 0 π/4 6. 0 7. 8. 4.395 a2 ≤ 1 a2 < 1 b > 0] BI (331)(24) BI (331)(25) BI (291)(2,3) BI (291)(9) π π cos 2x dx = − arcsinh a = − ln a + 1 + a2 2 4a 4a 1 + a2 sin 2x 0 2 a <1 BI (291)(10) u sin x ln cot x 2 dx = cosec 2α π ln 2 + L(ϕ − α) − L(ϕ + α) − L π − 2α 2 2 2 2 0 1 − cos α sin x [tan ϕ = cot α cos u; 0 < u < π] π/4 ln tan x LO III 290 π/4 9. 0 4.395 π/2 1. 0 π/4 2. u 4.396 2. BI (322)(11) √ sin υ + 1 − cos2 u cos2 υ ln tan x sin 4x dx π cos2 υ ln =− 2 2 2 sin u sin υ sin u (1 + sin υ) sin u + tan2 υ sin2 2x sin 2x − sin2 u + π, π LO III 285a 0<u< , 0<υ< 2 2 π/2 π/2 ln tan x cosq−1 x cot x sin[(q + 1)x] dx = − 3. 0 π/2 ln tan x cosq−1 x cos[(q + 1)x] dx = − 4. 0 π/4 n (ln tan x) tanp x dx = 5. 0 LO III 290a ln tan x dx = − ln k K(k) 2 2 1 − k sin x a 2 Γ 2 ln (a tan x) sinμ−1 2x dx = 2μ−2 ln a Γ(a) 0 √ π/2 π Γ u − 12 2(μ−1)x ln tan x cos dx = − C+ψ 4 Γ(μ) 0 1. , + π π ln tan x sin 2x dx − t − − t ln 2 = cosec 2t L 2 2 1 − cos2 t sin2 2x 1 2n+1 B (n) π 2q p+1 2 [a > 0, Re μ > 0] 2μ − 1 + ln 4 2 Re μ > 12 LI (307)(8) BI (307)(9) π [C + ψ(q + 1)] 2 [q > −1] BI (307)(11) [q > 0] BI (307)(10) [p > −1] LI (286)(22) 4.397 Logarithms and trigonometric functions 6. 7. 589 1 − 22n 2n dx = π |B2n | [n = 1, 2, . . .] cos 2x 2n 0 & % π/4 n (−1)n+1 π 2 (−1)k 2n+1 + ln tan x tan x dx = 4 12 k2 0 π/2 (ln tan x) 2n−1 BI (312)(6) GW (338)(8a) k=1 4.397 ln (1 + p sin x) π2 1 dx = − arccos p2 sin x 8 2 ln (1 + p cos x) π2 1 dx 2 = − (arccos p) cos x 8 2 π/2 1. 0 π/2 2. 0 π 3. ln (1 + p cos x) 0 5. 6. p2 < 1 p2 < 1 BI (313)(1) BI (313)(8) BI (331)(1) π − α − α ln sin α L cos x ln (1 + cos α cos x) 2 dx = 1 − cos2 α cos2 x sin α cos α 0 + π, 0<α< 2 π π/2 − α + (π − α) ln sin α L cos x ln (1 − cos α cos x) 2 dx = 1 − cos2 α cos2 x sin α cos α 0 + π, 0<α< 2 π ln 1 − 2a cos x + a2 cos nx dx 4. dx = π arcsin p cos x p2 < 1 π/2 0 = 1 2 2π π 0 8. 0 π LO III 291 ln 1 − 2a cos x + a2 cos nx dx 0 2 a < 1 BI (330)(11), BI (332)(5) 2 a >1 GW (338)(13a) π = − an n π =− n na 7. LO III 291 1 ln 1 − 2a cos x + a2 sin nx sin x dx = 2 π = 2 1 ln 1 − 2a cos x + a2 sin nx sin x dx = 2 2π 0 an+1 an−1 − n + 1 n− 1 a2 > 1 2π 0 π =− 2 ln 1 − 2a cos x + a2 sin nx sin x dx BI (330)(10), BI (332)(4) ln 1 − 2a cos x + a2 cos nx cos x dx an+1 an−1 + n+1 n−1 BI (330)(12), BI (332)(6) 590 Logarithmic Functions π 9. 4.398 ln 1 − 2a cos 2x + a2 cos(2n − 1)x dx = 0 ln 1 − 2a cos 2x + a2 sin 2nx sin x dx = 0 a2 < 1 BI (330)(15) 0 π 10. a2 < 1 BI (330)(13) 0 π 11. 0 π 12. π ln 1 − 2a cos 2x + a2 sin(2n − 1)x sin x dx = 2 an an−1 − n n−1 2 a <1 BI (330)(14) ln 1 − 2a cos 2x + a2 cos 2nx cos x dx = 0 π ln 1 − 2a cos 2x + a2 cos(2n − 1)x cos x dx = − 2 an−1 an + n n−1 2 a <1 a2 < 1 BI (330)(16) 0 π 13. 0 π/2 14. 0 aπ ln 1 + 2a cos 2x + a2 sin2 x dx = − 4 π π ln a2 − = 4 4a a2 < 1 a2 > 1 BI (330)(17) BI (309)(22), LI (309)(22) π/2 15. 0 π 16. 0 4.398 aπ ln 1 + 2a cos 2x + a2 cos2 x dx = 4 π π ln a2 + = 4 4a ln 0 1 − 2a cos x + a cos mx dx = 2π 1 − 2a cos nx + a2 2 ln 0 = 2π 3. 1. 0 a2 ≤ 1, a2 < 1 b2 < 1 m n m/n a a − m m n −m/n a−m a − m m BI (331)(26) BI (330)(18) a2 ≤ 1 a2 ≥ 1 2 ln a2 > 1 BI (332)(9) π 0 4.399 2n+1 1 + 2a cos x + a2 n 2πa sin(2n + 1)x dx = (−1) 1 − 2a cos x + a2 2n + 1 2π 2. a2 < 1 BI (309)(23), LI (309)(23) ln 1 − 2a cos x + a2 2π ln(1 − ab) dx = 1 − 2b cos x + b2 1 − b2 π 1. π/2 1 + 2a cos 2x + a cot x dx = 0 1 + 2a cos 2nx + a2 π ln 1 + a sin x sin2 x dx = 2 2 ln BI (331)(5), LI(331)(5) 1+ √ 1+a 11− 1+a √ − 2 21+ 1+a √ [a > −1] BI (309)(14) 4.413 Logarithms and trigonometric functions π/2 2. 0 π/2 3. 0 4.411 1. 2. π ln 1 + a sin2 x cos2 x dx = 2 ln 1+ √ 1+a 11− 1+a √ + 2 21+ 1+a √ ln 1 − cos β cos x π 1 + sin α dx = − ln 2 2 1 − cos α cos x sin α sin α + sin β 2 591 [a > −1] BI (309)(15) 2 + π 0<β< , 2 0<α< π, 2 LO III 285 2 dx 1 + sin x = λ2 λ < π2 BI (331)(2) 1 + cos λ sin x sin x 0 π/2 π/2 π/2 q p + q sin ax dx p + q cos ax dx p + q tan ax dx = = = π arcsin ln ln ln p − q sin ax sin ax p − q cos ax cos ax p − q tan ax tan ax p 0 0 0 [p > q > 0] π ln FI II 695a, BI (315)(5, 13,17)a π/2 3. 0 α−β cos 1 + cos β cos x 2π cos x 2 ln dx = ln α+β 1 − cos2 α cos2 x 1 − cos β cos x sin 2α sin 2 + 0<α≤β< 4.412 π/4 1. π2 dx π ±x =± 4 sin 2x 8 BI (293)(1) ln tan dx π2 π ±x =± 4 tan 2x 16 BI (293)(2) ln tan π 22n+2 − 1 dx 2n ± x (ln tan x) =± π 2n+2 |B2n+2 | 4 sin 2x 4(n + 1)(2n + 1) BI (294)(24) ln tan π 1 − 22n+1 dx 2n−1 ± x (ln tan x) = ± 2n+2 (2n)! ζ(2n + 1) 4 sin 2x 2 n BI (294)(25) ln tan dx (−1)n−1 π n−1 ± x (ln sin 2x) = (n − 1)! ζ(n + 1) 4 tan 2x 2 LI (294)(20) π/4 2. 0 π/4 3. 0 π/4 4. 0 π/4 5. 0 4.413 1. π/2 LO III 284 ln tan 0 π, 2 ln p2 + q 2 tan2 x 0 π ap + bq dx = ln ab a a2 sin2 x + b2 cos2 x [a > 0, b > 0, p > 0, q > 0] BI (318)(1–4)a 2. 0 π/2 ln 1 + q 2 tan2 x p2 dx 1 2 2 2 2 sin x + r cos x s sin x + t2 cos2 x p2 − r2 qr qt π t2 − s2 ln 1 + ln 1 + = 2 2 + p t − s2 r2 pr p st s [q > 0, p > 0, r > 0, s > 0, t > 0] BI (320)(18) 2 592 Logarithmic Functions π/2 ln 1 + q 2 tan2 x dx sin2 x p2 sin2 x + r2 cos2 x s2 sin2 x + t2 cos2 x t qr qt π r ln 1 + ln 1 + = 2 2 − p t − s2 r2 s p p s [q > 0, p > 0, r > 0, s > 0, t > 0] BI (320)(20) π/2 ln 1 + q 2 tan2 x dx cos2 x 2 2 2 2 2 2 p sin x + r cos x s sin x + t2 cos2 x p qr π ln 1 + = 2 2 2 2 p t −s r r p [q > 0, p > 0, r > 0, s > 0, 3. 0 4. 0 5. 0 4.414 π ln tan rx dx π 1 − p2r = ln 1 − 2p cos x + p2 1 − p2 1 + p2r π/2 1. 0 4.414 π/2 2. 0 p2 < 1 qt s − ln 1 + t s t > 0] BI (320)(21) BI (331)(12) dx ln 1 − k 2 sin2 x = ln k K(k) 1 − k 2 sin2 x BI (323)(1) sin2 x dx 1 ln 1 − k 2 sin2 x = 2 k 2 − 2 + ln k K(k) + (2 − ln k ) E(k) k 1 − k 2 sin2 x BI (323)(3) π/2 3. 0 , cos x 1 + 2 2 ln 1 − k 2 sin2 x 1 − k2 sin2 x = 2 1 + k − k ln k K(k) − (2 − ln k ) E(k) dx k 2 BI (323)(6) π/2 4. 0 ln 1 − k 2 sin2 x < 1 = 2 k 2 − 2 K(k) + (2 + ln k ) E(k) 3 k 1 − k 2 sin2 x dx BI (323)(9) π/2 5. 0 sin2 x ln 1 − k 2 sin2 x dx < 3 1 − k 2 sin2 x = , 1 + 2 2 (2 + ln k K(k) ) E(k) − 1 + k + k ln k k2 k 2 BI (323)(10) π/2 6. 0 , cos2 x dx 1 + 2 1 + k K(k) − (2 + ln k ln 1 − k 2 sin2 x < = + ln k ) E(k) 3 k2 1 − k 2 sin2 x BI (323)(16) 7. 0 π/2 2 ln 1 − k 2 sin2 x 1 − k 2 sin2 x dx = 1 + k K(k) − (2 − ln k ) E(k) BI (324)(18) 4.416 Logarithms and trigonometric functions π/2 8. 0 593 1 2 −2 + 11k 2 − 6k 4 + 3k ln k K(k) ln 1 − k 2 sin2 x sin2 x 1 − k 2 sin2 x dx = 2 9k + 2 − 10k2 − 3 1 − 2k 2 ln k E(k) BI (324)(20) π/2 9. 0 1 2 ln 1 − k 2 sin2 x cos2 x 1 − k 2 sin2 x dx = 2 2 + 7k 2 − 3k 4 − 3k ln k K(k) 9k 2 2 − 2 + 8k − 3 1 + k ln k E(k) BI (324)(21), LI (324)(21) π/2 10. 0 sin x cos x dx 2 1−2n [1 + (2n − 1) ln k ln 1 − k 2 sin2 x < = ] k − 1 2n+1 (2n − 1)2 k 2 1 − k 2 sin2 x BI (324)(17) 4.415 1. ∞ ln x sin ax2 dx = − 0 2. 0 4.416 1. 0 2. 3. 4.7 ∞ 1 4 1 ln x cos ax dx = − 4 π/2 cos x ln 2 1+ π π ln 4a + C − 2a 2 [a > 0] GW (338)(19) π π ln 4a + C − 2a 2 [a > 0] GW (338)(19) sin2 β − cos2 β tan2 α sin2 x 1 − sin2 α cos2 x dx = cosec 2α {(2α + 2γ − π) ln cos β + 2 L(α) − 2 L(γ) + L(α + γ) − L(α − γ)} sin α π cos γ = ; 0<α<β< LO III 291 sin β 2 π/2 cos x ln 1 − sin2 β − cos2 β tan2 α sin2 x dx 1 − sin2 α cos2 x 0 = cosec 2α {(π + 2α − 2γ) ln cos β + 2 L(α) + 2 L(γ) − L(α + γ) + L(α − γ)} π sin α ; 0<α<β< cos γ = LO III 291 sin β 2 π/2 ln sin x + sin2 x − sin2 β dx 1 − cos2 α cos2 x β tan β 1 + sin α π = − cosec α arctan ln sin β + ln sin α 2 sin α + 1 − cos2 α cos2 β + π, 0 < α < π, 0 < β < LO III 285 2 π/4 n−1 ln tan x (ln cos 2x) tan 2x dx = 12 (−1)n (n − 1)! 1 − 2−(n+1) ζ(n + 1) 0 BI (287)(20) 594 Logarithmic Functions 4.421 4.42–4.43 Combinations of logarithms, trigonometric functions, and powers 4.421 ∞ ln x sin ax 1. 0 π dx = − (C + ln a) x 2 ∞ 2. ln ax sin bx 0 ∞ ln ax cos bx 0 , x dx π −bβ π + bβ −bβ e e = ln (aβ ) − Ei (−bβ ) + e Ei (bβ ) β 2 + x2 2 4 [β = β sign β; a > 0, ∞ ln ax sin bx 0 , β dx π π + bβ e Ei (−bβ ) − e−bβ Ei (bβ ) = e−bβ ln (aβ ) + 2 2 β +x 2 4 [β = β sign β; a > 0, ln ax cos bx 0 x dx π = {− si(bc) sin bc + cos bc [ln ac − ci(bc)]} 2 −c 2 ∞ 1. ln x sin axxμ−1 dx = 0 ∞ 2. 0 4.423 4.424 1 ln ab 2 b > 0] GW (338)(21a) b > 0] GW (338)(21b) [a > 0, ∞ sin ax aπ (C + ln 2a − 1) dx = − 2 x 2 2 (ln x) sin ax 0 C+ BI (411)(5) BI (411)(6) 2 ln x 1. BI (422)(6) [a > 0, cos ax − cos bx π dx = [(a − b) (C − 1) + a ln a − b ln b] 2 x 2 ∞ 0 c > 0] 0 < Re μ < 1] ln x ∞ 3. b > 0, [a > 0, a cos ax − cos bx dx = ln x b 0 BI (422)(5) π μπ , Γ(μ) μπ + ψ(μ) − ln a + cot sin aμ 2 2 2 ln x 0 2. c > 0] [a > 0, |Re μ| < 1] + π μπ , Γ(μ) μπ ψ(μ) − ln a − tan ln x cos axxμ−1 dx = μ cos a 2 2 2 ∞ 1. b > 0, dx π {sin bc [ci(bc) − ln ac] − cos bc si(bc)} = x2 − c2 2c [a > 0, b > 0] x2 [a > 0, ∞ 5. 4.422 b > 0] ET I 17(3), NT 27(11)a 4. FI II 810a ET I 76(5), NT 27(10)a 3. [a > 0] [a > 0] GW (338)(20b) [a > 0] ET I 77(9), FI II 810a π π dx π3 2 = C2 + + πC ln a + (ln a) x 2 24 2 4.429 Logarithms, trigonometric functions, and powers 2. ∞ 6 2 (ln x) sin axxμ−1 dx = 0 4.425 1. ∞ ln(1 + x) cos ax 0 ∞ 2. ∞ 0 1 dx 2 2 = [si(a)] + [ci(a)] x 2 [a > 0] b > 0] a dx = −π Ei − ln 1 + b2 x2 sin ax x b [a > 0, b > 0] cos ax ET I 18(11) GW (338)(24), ET I 77(14) 1 4. 0 4.426 1.11 1 pπ dx π = 2+ coth ln 1 − x2 cos (p ln x) x 2p 2p 2 ∞ x ln 0 LI (309)(1)a b2 + x2 π sin ax dx = 2 (1 + ac)e−ac − (1 + ab)e−ab 2 2 c +x a [b ≥ 0, ∞ + ap b2 x2 + p2 dx ap , = π Ei − ln 2 2 sin ax − Ei − 2 c x +p x c b 0 [b > 0, 2. ET I 18(8) [a ≥ 0, 0 3. b+x b−x Γ(μ) μπ + μπ − 2 ψ(μ) ln a sin ψ (μ) + ψ 2 (μ) + π ψ(μ) cot aμ 2 2 μπ 1 2 − π ln a cot + (ln a) − π 2 2 4 [a > 0, 0 < Re μ < 1] ET I 77(10) dx = −2π si(ab) x ln2 595 c ≥ 0, a > 0] c > 0, p > 0, GW (338)(23) a > 0] ET I 77(15) ∞ 4.427 ln x + 0 4.428 1. 2. 3. ∞ sin ax π π β 2 + x2 dx = K 0 (aβ) + ln(β) [I 0 (aβ) − L(aβ)] 2 2 2 2 β +x [Re β > 0, a > 0] cos bx dx = πb ln 2 − aπ [a > 0, b > 0] x2 0 ∞ cos bx π ln 4 cos2 ax 2 dx = cosh(bc) ln 1 + e−2ac 2 x +c c 0 + π, a < b < 2a < c ∞ sin bx dx = π ln 1 + e−2a sinh b − π ln 2 1 − e−b ln cos2 ax 2) x (1 + x 0 ln cos2 ax [a > 0, ∞ 4. 0 ln cos2 ax 0 1 ET I 22(29) ET I 22(30) ET I 82(36) cos bx dx = −π ln 1 + e−2a cosh b + b + e−b π ln 2 − aπ x2 (1 + x2 ) [a > 0, 4.429 b > 0] ET I 77(16) π (1 + x)x sin (ln x) dx = ln x 4 b > 0] ET I 22(31) BI (326)(2)a 596 4.431 Logarithmic Functions ∞ 1. ln (2 ± 2 cos x) 0 ∞ 2. ln (2 ± 2 cos x) 0 ∞ 3. 0 4.431 sin bx x dx = − π sinh(bc) ln (1 ± e−c ) x2 + c2 [b > 0, c > 0] ET I 22(32) [b > 0, c > 0] ET I 22(32) cos bx π dx = cosh(bc) ln 1 ± e−c 2 2 x +c c sin bx π (−a)k dx = − [1 + sign(b − k)] ln 1 + 2a cos x + a2 x 2 k [b] k=1 [0 < a < 1, ∞ 4. 0 ET I 82(25) b cos bx π ak π −c sinh[c(b − k)] cosh(bc) + ln 1 − 2a cos x + a dx = ln 1 − ae x2 + c2 c c k 2 k=1 [|a| < 1, 4.432 b > 0] ∞ 1. 0 sin x dx = ln 1 − k sin x 2 2 1 − k sin x x 2 2 0 ∞ b > 0, ln 1 − k 2 cos2 x √ c > 0] ET I 22(33) sin x dx = ln k K(k) 2 2 1 − k cos x x BI ((412, 414))(4) π/2 2. 0 sin x cos x ln 1 − k 2 sin2 x x dx 1 − k 2 sin2 x 1 = 2 πk (1 − ln k ) + 2 − k 2 K(k) − (4 − ln k ) E(k) k BI (426)(3) π/2 3. 0 BI (426)(6) ∞ 4. 0 5. 0 sin x cos x 1 ln 1 − k 2 cos2 x √ x dx = 2 −π − 2 − k 2 K(k) + (4 − ln k ) E(k) k 1 − k 2 cos2 x sin x cos x dx 1 2 2 − k 2 − k ln k K(k) − (2 − ln k ) E(k) = 2 ln 1 − k 2 sin2 x k 1 − k 2 sin2 x x BI (412)(5) ∞ sin x cos x dx 1 = 2 k 2 − 2 + ln k K(k) + (2 − ln k ) E(k) ln 1 − k 2 cos2 x √ 2 2 k 1 − k cos x x BI (414)(5) 4.432 Logarithms, trigonometric functions, and powers ∞ 6. 0 597 ∞ dx sin x sin x dx = ln 1 ± k sin x ln 1 ± k cos2 x √ 2 2 2 2 x 1 − k cos x x 1 − k sin x 0 ∞ dx tan x ln 1 ± k sin2 x = 2 2 1 − k sin x x 0 ∞ tan x dx = ln 1 ± k cos2 x √ 2 cos2 x x 1 − k 0 ∞ dx tan x ln 1 ± k sin2 2x = 2 2 1 − k sin 2x x 0 ∞ tan x dx = ln 1 ± k 2 cos2 2x √ 2 2 1 − k cos 2x x 0 π 1 2 (1 ± k) K(k) − K (k ) = ln √ 2 8 k 2 BI (413)(1–6), BI (415)(1–6) ∞ 7. 0 1 sin x dx = 2 k 2 − 2 + ln k K(k) + (2 − ln k ) E(k) ln 1 − k 2 sin2 x 2 k 1 − k 2 sin x x 3 BI (412)(6) ln 1 − k 2 cos2 x √ ∞ sin x cos2 x dx 1 2 2 − k 2 − k ln k K(k) − (2 − ln k ) E(k) = 2 ln 1 − k 2 sin2 x k 1 − k 2 sin2 x x 0 BI (414)(6)a 9. 0 BI (412)(7) ∞ 10. 0 1 sin3 x dx 2 2 − k 2 − k ln k K(k) − (2 − ln k ) E(k) = 2 k 1 − k 2 cos2 x x ∞ 8. ∞ 11. 0 sin x cos2 x dx 1 = 2 k 2 − 2 + ln k K(k) + (2 − ln k ) E(k) ln 1 − k 2 cos2 x √ k 1 − k 2 cos2 x x tan x dx = ln 1 − k 2 sin2 x 2 1 − k 2 sin x x BI (414)(7) ∞ ln 1 − k 2 cos2 x √ 0 tan x dx = ln k K(k) 2 2 1 − k cos x x BI ((412, 414))(9) ∞ sin2 x tan x dx 1 = 2 k 2 − 2 + ln k K(k) + (2 − ln k ) E(k) ln 1 − k 2 sin2 x k 1 − k 2 sin2 x x ∞ sin x tan x dx 1 2 2 − k 2 − k ln k K(k) − (2 − ln k ) E(k) = 2 ln 1 − k 2 cos2 x √ k 1 − k 2 cos2 x x 12. 0 BI (412)(8) 13. 0 2 BI (414)(8) 14. 0 ∞ ln 1 − k 2 sin2 x < sin2 x ∞ dx sin x ln 1 − k 2 cos2 x < 3 x 0 (1 − k 2 cos2 x) 1 = 2 k 2 − 2 K(k) + (2 + ln k ) E(k) k dx = 3 x 1 − k 2 sin2 x BI ((412, 414))(13) 598 Logarithmic Functions π/2 15. 0 4.432 1 sin x cos x π (1 + ln k ln 1 − k 2 sin2 x < x dx = ) − (2 + ln k ) K(k) 3 k2 k 1 − k 2 sin2 x BI (426)(9) 16. 17. π/2 ∞ 1 sin x cos x ln 1 − k 2 cos2 x < x dx = 2 {−π + (2 + ln k ) K(k)} BI (426)(15) k 3 0 (1 − k 2 cos2 x) ∞ ∞ dx dx sin x cos x sin3 x 2 2 2 2 < = ln 1 − k sin x < ln 1 − k cos x 3 x x 3 0 0 (1 − k 2 cos2 x) 1 − k 2 sin2 x 1 = 2 2 − k2 + ln k K(k) − (2 + ln k ) E(k) k BI (412)(14), BI(414)(15) 18. 0 ln 1 − k 2 sin2 x < 3 sin x dx 3 x 1 − k 2 sin2 x = ∞ dx sin x cos x ln 1 − k 2 cos2 x < 3 x 0 (1 − k2 cos2 x) 1 2 (2 + ln k ) E(k) − 2 − k 2 + k ln k K(k) = 2 k2 k ∞ dx sin x cos x = ln 1 − k 2 sin2 x < 3 x 1 − k 2 sin2 x ∞ dx sin x tan x ln 1 − k 2 sin2 x < 3 x 1 − k 2 sin2 x = 19. 0 BI (412)(15), BI(414)(14) ∞ dx sin2 x tan x ln 1 − k 2 cos2 x < 3 x 0 (1 − k 2 cos2 x) 1 = 2 2 − k2 + ln k K(k) − (2 + ln k ) E(k) k 2 BI (412)(16), BI(414)(17) 20. 0 2 ∞ dx sin x cos2 x ln 1 − k 2 cos2 x < x 3 0 (1 − k 2 cos2 x) 1 2 2 (2 + ln k K(k) = ) E(k) − 2 − k + k ln k k2 k 2 ∞ 21. 0 22. 0 ∞ ln 1 − k 2 sin2 x < BI (412)(17), BI(414)(16) ∞ dx tan x ln 1 − k 2 cos2 x < x 3 0 (1 − k 2 cos2 x) 1 = 2 k 2 − 2 K(k) + (2 + ln k ) E(k) k dx 3 x = 2 1 − k 2 sin x tan x dx = ln 1 − k 2 sin2 x 1 − k 2 sin2 x sin x x BI ((412, 414))(18) dx 1 − k 2 cos2 x sin x ln 1 − k 2 cos2 x x 0 2 = 2 − k K(k) − (2 − ln k ) E(k) ∞ BI ((412, 414))(1) 4.511 Inverse trigonometric functions 23. 599 ln 1 − k 2 sin2 x 1 − k 2 sin2 x sin x cos x · x dx 0 1 3 2 4 2 = (1 − 3 ln k ) + 22k + 6k − 3k ln k 3πk K(k) 27k 2 π/2 − 2 − k 2 (14 − 6 ln k ) E(k) BI (426)(1) ln 1 − k 2 cos2 x 1 − k 2 cos2 x sin x cos x · x dx 1 2 2 −3π − 22k + 6k 4 − 3k ln k K(k) + 2 − k 2 (14 − 6 ln k ) E(k) = 2 27k π/2 24. 0 ∞ 25. 0 ∞ 26. 0 dx = ln 1 − k 2 sin2 x 1 − k 2 sin2 x tan x x BI (426)(2) dx ln 1 − k 2 cos2 x 1 − k2 cos2 x tan x x 0 2 = 2 − k K(k) − (2 − ln k ) E(k) ∞ ((412,414))(2) ∞ sin x tan x dx dx = ln sin2 x + k cos2 x √ ln sin2 x + k cos2 x √ 2 2 2 2 1 − k cos x x 1 − k cos x x 0 ∞ 2 tan x dx 2 ln sin 2x + k cos 2x √ = 2 cos2 2x x 1 − k 0 ⎡ √ 3⎤ k ⎥ 2 1 ⎢ = ln ⎣ ⎦ K(k) 2 1 + k BI (415)(19–21) 4.44 Combinations of logarithms, trigonometric functions, and exponentials 4.441 1. ∞ 7 e −qx 0 ∞ 2. p 2 1 p 2 sin px ln x dx = 2 q arctan − pC − ln p − q p + q2 q c e−qx cos px ln x dx = − 0 1 p2 + q 2 [q > 0, p > 0] q 2 p 2 ln p + q + p arctan + qC 2 q BI (467)(1) [q > 0] BI (467)(2) π/2 −p tan x e 4.442 0 1 ln cos x dx 1 2 2 = − [ci(p)] + [si(p)] sin x cos x 2 2 [Re p > 0] NT 32(11) 4.5 Inverse Trigonometric Functions 4.51 Inverse trigonometric functions 4.511 ∞ arccot px arccot qx dx = 0 π 2 1 p ln 1 + p q + q 1 ln 1 + q p [p > 0, q > 0] BI (77)(8) 600 Inverse Trigonometric Functions 4.512 π 4.512 arctan (cos x) dx = 0 BI (345)(1) 0 4.52 Combinations of arcsines, arccosines, and powers 4.521 1 1. 0 1 2. 0 4. 5. 6. 7. 8. 4.522 1. 2. 3. 4. 5. 6. 7. FI II 614, 623 arccos x π dx = ∓ ln 2 + 2G 1±x 2 BI (231)(7, 8) √ 2 1+q x π √ ln arcsin x dx = 1 + qx2 2q 1 + 1 + q 0 1 x π 1 + 1 − p2 arcsin x dx = ln 1 − p2 x2 2p2 2 1 − p2 0 1 ∞ sin[(2k + 1)λ] dx arccos x 2 = 2 cosec λ 2 (2k + 1)2 sin λ − x 0 k=0 √ 1 π 1+ 1+q dx √ = ln arcsin x x (1 + qx2 ) 2 1+q 0 √ 1 x π 1+q−1 arcsin x 2 dx = 4q 1+q (1 + qx2 ) 0 √ 1 x π 1+q−1 arccos x dx = 2 )2 4q 1+q (1 + qx 0 3. π arcsin x dx = ln 2 x 2 1 [q > −1] p2 < 1 LI (231)(3) BI (231)(10) [q > −1] BI (235)(10) [q > −1] BI (234)(2) [q > −1] BI (234)(4) 1 3 2 2 π + k K(k) − 2 1 + k E(k) x 1 − k 2 x2 arccos x dx = 2 9k 2 0 1 1 3 3 2 2 x 1 − k 2 x2 arcsin x dx = 2 − πk − k K(k) + 2 1 + k E(k) 9k 2 0 1 1 3 2 2 2 2 2 E(k) π + k K(k) − 2 1 + k x k + k x arcsin x dx = 2 9k 2 0 1 , x arcsin x 1 + π √ dx = 2 − k + E(k) k 2 1 − k 2 x2 0 1 , x arccos x 1 +π √ − E(k) dx = 2 k 2 1 − k 2 x2 0 1 , x arcsin x 1 +π − E(k) dx = 2 k 2 0 k 2 + k 2 x2 1 , x arccos x 1 + π dx = 2 − k + E(k) k 2 0 k 2 + k 2 x2 BI (231)(1) 1 BI (236)(9) BI (236)(1) BI(236)(5) BI (237)(1) BI (240)(1) BI (238)(1) BI (241)(1) 4.531 Arctangents, arccotangents, and powers 1 8. 0 1 9. ∞ x arcsin x dx 2 sin[(2k + 1)λ] √ = sin λ (2k + 1)2 (x2 − cos2 λ) 1 − x2 k=0 0 1 10. 0 4.523 1. 2. 3. 4. 5. 6. 4.524 x arcsin kx (1 − x2 ) (1 − k 2 x2 ) x arccos kx (1 − x2 ) (1 − k 2 x2 ) dx = − dx = π ln k 2k π ln(1 + k) 2k π 2n n! 1 − 2n + 1 2 (2n + 1)!! 0 1 π (2n − 1)!! 2n−1 x arcsin x dx = 1− 4n 2n n! 0 1 2n n! x2n arccos x dx = (2n + 1)(2n + 1)!! 0 1 π (2n − 1)!! x2n−1 arccos x dx = 4n 2n n! 0 1 n 2n n! 1 − x2 arccos x dx = π (2n + 1)!! −1 1 n− 12 π 2 (2n − 1)!! 1 − x2 arccos x dx = 2 2n n! −1 1 1. 2 (arcsin x) x2 0 BI (243)(11) BI (239)(1) BI (242)(1) 1 x2n arcsin x dx = 601 1 dx √ = π ln 2 1 − x2 0 dx 2 (arccos x) √ 2. 1 − x2 3 = π ln 2 BI (229)(1) BI (229)(2) BI (229)(4) BI (229)(5) BI (254)(2) BI (254)(3) BI (243)(13) BI (244)(9) 4.53–4.54 Combinations of arctangents, arccotangents, and powers 4.531 1 1. 0 arctan x dx = x ∞ 0 4. 0 1 arccot x dx = G x FI II 482, BI (253)(8) BI (248)(6, 7) π arccot x dx = − ln 2 + G x(1 + x) 8 BI (235)(11) 0 1 ∞ π arccot x dx = ± ln 2 + G 1±x 4 2. 3. ∞ arctan x dx = −G. 1 − x2 BI (248)(2) 602 Inverse Trigonometric Functions 1 5. arctan qx 0 6. 0 7. 0 π 1 arctan x dx = ln 2 + G 2 x (1 + x ) 8 2 ∞ 8. 0 ∞ 9. 0 10.11 11. 12. 13. 4.532 5. 4.533 BI (248)(3) x arctan x π dx = − ln 2 1 − x4 8 BI (248)(4) xp arctan x dx = 4. x arctan x π2 dx = 4 1+x 16 1 0 3. BI (235)(12) x arccot x π dx = ln 2 4 1−x 8 0 ∞ ∞ arccot x arccot x √ √ dx = dx = 2G 2 x 1 + x 1 + x2 0 0 1 √ arctan x π √ dx = ln 1 + 2 2 2 0 x 1−x ⎤ ⎡ 1 π 1 ⎣ x arctan x dx π ⎦ < = k2 F 4 , k − < 2 2 2 2 0 (1 + x ) 1 + k x 2 2 1+k ∞ , +π p 1 −β +1 2(p + 1) 2 2 pπ π cosec 2(p + 1) 2 0 1 + , π p 1 +β +1 xp arccot x dx = 2(p + 1) 2 2 0 ∞ pπ π cosec xp arccot x dx = − 2(p + 1) 2 0 √ ∞ 2q xp π3 Γ(q) dx = 2q+2 arctan x 2p 1 + x x 2 p Γ q + 12 0 ∞ 1. 0 2. 0 BI (234)(10) ∞ 1. 2. q dx 1 1+q p 1 arccot q = ln + 2 arctan q + 2 2 2 2 2 (1 + px) 2p +q (1 + p) p +q 1+p [p > −1] 1 BI (243)(7) 2 arccot qx q dx 1 (1 + p)2 q2 − p arctan q = ln + (1 + px)2 2 p2 + q 2 1 + q2 (1 + p) (p2 + q 2 ) [p > −1] 1 4.532 1 xp arctan x dx = (1 − x arccot x) dx = π 4 π dx π − arctan x = − ln 2 + G 4 1−x 8 BI (248)(12) BI (251)(3, 10) FI II 694 BI (294)(14) [p > −2] BI (229)(7) [−1 > p > −2] BI (246)(1) [p > −1] BI (229)(8) [−1 < p < 0] BI (246)(2) [q > 0] BI (250)(10) BI (246)(3) BI (232)(2) 4.535 Arctangents, arccotangents, and powers 1 3. 0 π 1 + x dx 1 π − arctan x = ln 2 + G 2 4 1−x1+x 8 2 1 BI (235)(25) dx π = − ln 2 2 1 − x 4 0 ∞ ∞ dx x dx π2 2 2 √ + 4G 4.534 (arctan x) = (arccot x) √ =− 4 x2 1 + x2 1 + x2 0 0 4.535 1 1 arctan px dx = 2 arctan p ln 1 + p2 1. 2 2p 0 1+p x 1 1 π 1 arccot px dx = 2 + arccot p ln 1 + p2 [p > 0] 2. 2x 1 + p p 4 2 0 ∞ π arctan qx q ln pq − pq [p > 0, q > 0] 3. dx = − 2 2 2 (p + x) 1+p q 2 0 ∞ arccot qx q π 4. dx = ln pq + [p > 0, q > 0] 2 2 q2 (p + x) 1 + p 2pq 0 ∞ x arccot px π 1 + pq [p > 0, q > 0] 5. dx = ln 2 2 q +x 2 pq 0 ∞ x arccot px dx π 1 + p2 q 2 6. = ln [p > 0, q > 0] 2 2 x −q 4 p2 q 2 0 ∞ π arctan px dx = ln(1 + p) [p ≥ 0] 7. 2) x (1 + x 2 0 ∞ π arctan px dx = ln 1 + p2 [p ≥ 0] 8. 2 4 0 x (1 − x ) ∞ π dx = 2 ln(1 + pq) 9. arctan qx [p > 0, q ≥ 0] 2 + x2 ) x (p 2p 0 ∞ π p2 + q 2 dx = ln 10. arctan qx [p ≥ 0] x (1 − p2 x2 ) 4 p2 0 ∞ x arctan qx πq [p > 0, q ≥ 0] 11. dx = 2 + x2 )2 4p(1 + pq) (p 0 ∞ x arccot qx π [p > 0, q ≥ 0] 12. 2 dx = 4p2 (1 + pq) 2 2 (p + x ) 0 1 arctan qx π √ 13. dx = ln q + 1 + q 2 2 2 0 x 1−x ⎧ π 1 + |αβ| ⎪ ∞ ⎨ ln sign(α) for β = γ x arctan(αx) dx 2 − γ2 9 β 1 + |αγ| = 14. πα 2 2 2 2 ⎪ −∞ (x + β ) (x + γ ) ⎩ for β = γ 2|β| (1 + |αβ|) 4. x arccot x − 603 1 arctan x x for α, β, γ real BI (232)(1) BI (251)(9, 17) BI (231)(19) BI (231)(24) BI (249)(1) BI (249)(8) BI (248)(9) BI (248)(10) FI II 745 BI (250)(6) BI (250)(3) BI (250)(6) BI (252)(12)a BI (252)(20)a BI (244)(11) 604 Inverse Trigonometric Functions 15. 9 4.536 ∞ ∞ 1. 0 0 ∞ 3. 0 1. 8 2. π p arctan px − arctan qx dx = ln x 2 q [p > 0, q > 0] FI II 635 arctan px arctan qx π (p + q)p+q dx = ln 2 x 2 pp q q [p > 0, q > 0] FI II 745 1 1 arctan 1 − x2 arctan tan λ 1 − k 2 x2 1 arctan tan λ 1 − k 2 x2 0 . . cosec π + 4λ 8 [p > 0] ∞ arctan x2 BI (245)(10) 1 − k 2 x2 π π dx = E (λ, k) − cot λ 1 − 1 − k 2 sin2 λ 2 1−x 2 2 √ 1 arctan tan λ 1 − k 2 x2 π dx = F (λ, k) 2 2 2 2 (1 − x ) (1 − k x ) 0 BI (245)(9) BI (245)(12) ∞ dx dx = arctan x3 2 1+x 1 + x2 0 0 ∞ ∞ dx dx π2 = arccot x2 = arccot x3 = 2 2 1+x 1+x 8 0 0 ∞ 2 1−x π √ 2. arctan x2 dx = 2−1 2 x 2 0 ∞ 4.539 xs−1 arctan ae−x dx = 2−s−1 Γ(s)a Φ −a2 , s + 1, 12 0 ∞ p sin qx x dx π 4.541 arctan = ln 1 + pe−q [p > −eq ] 2 1 + p cos qx 1 + x 2 0 1. , 1 − x2 π + 2 dx = 2 E (λ, k) − k F (γ, k) 2 2 1−k x 2k < π − 2 cot γ 1 − 1 − k 2 sin2 γ 2k 4.538 β = γ) π 1 + 1 + q2 dx 1 π arctan qx arcsin x 2 = qπ ln + ln q + 1 + q 2 − − arctan q 2 x 2 2 2 1+q 0 4. (α, β, γ real; (β = γ) π − 4λ dx π = ln cos 2 cos2 λ 1 − x 2 cos λ 8 0 1 dx 1 π ln p + arctan p 1 − x2 = 1 + p2 1 − x2 2 0 3. 5. sign(α) BI (230)(7) ∞ 2. 4.537 ⎧ ⎪ ⎨ π 1 + |α/γ| ln x arctan (α/x) dx 2 − γ2 β 1 + |α/β| = πα 2 + β 2 ) (x2 + γ 2 ) ⎪ (x −∞ ⎩ 2 2β (|β| + |α|) 4.536 BI (245)(11) BI (245)(13) BI (252)(10, 11) BI (252)(18, 19) BI (244)(10)a ET I 222(47) BI (341)(14)a 4.573 Inverse and direct trigonometric functions 605 4.55 Combinations of inverse trigonometric functions and exponentials 4.551 1 1.9 (arcsin x) e−bx dx = 0 1 2. π πe−b [I 0 (b) − L0 (b)] − 2b 2b π 1 [L0 (b) − I 0 (b) + b L1 (b) − b I 1 (b)] + 2b2 b x (arcsin x) e−bx dx = 0 ∞ 3.9 arctan 0 ∞ 4.9 arccot 0 1 +π x −bx e dx = a b 2 [Re b > 0] , − ci(ab) sin(ab) + si(ab) cos(ab) ET I 161(3) [Re b > 0] ET I 161(4) x 1 1 q dx = ln Γ(q) − q − e2πx − 1 2 2 0 ∞ 4.553 0 ET I 161(2) x −bx 1 e dx = [ci(ab) sin(ab) − si(ab) cos(ab)] a b ∞ arctan 4.552 ET I 160(1) 2 arccot x − e−px π ln q + q − 1 ln 2π 2 [q > 0] WH [p > 0] NT 66(12) dx = C + ln p x 4.56 A combination of the arctangent and a hyperbolic function ∞ arctan e−x 1 dx = 2q 2 cosh px −∞ 4.561 √ Π(x) π 3 Γ(q) dx = 2q 4p Γ q + 12 −∞ cosh px [q > 0] ∞ LI (282)(10) 4.57 Combinations of inverse and direct trigonometric functions 4.571 4.572 4.573 1. 2. π/2 sin x dx π arcsin (k sin x) = − ln k 2 2k 0 1 − k 2 sin x ∞ 2 arccot x − cos px dx = C + ln p π 0 p π 1 − e− q 2p 0 ∞ p p 1 arccot qx cos px dx = e− q Ei 2p q 0 3. [p > 0, NT 66(12) ∞ 1±q sin px dx π ln =± p 1 ± 2q cos px + q 2 2pq 1 ± qe− r q±1 π ln =± p 2pq q ± e− r q > 0] BI (347)(1)a q > 0] BI (347)(2)a p − e Ei − q p q [p > 0, arccot rx 0 [p > 0] ∞ arccot qx sin px dx = BI (344)(2) p2 < 1, r > 0, p>0 q 2 > 1, r > 0, p>0 BI (347)(10) 606 Inverse Trigonometric Functions ∞ 4. arccot px 0 4.574 1. ∞ 2a x arctan 0 ∞ 2.7 arctan 0 3. arctan 0 ∞ 4. arctan 0 4.575 π 1. π arctan 1. 2. 4.577 π 2ax π sin(bx) dx = e x2 + c2 b 2 x2 cos(bx) dx = π/2 1. 0 [Re a > 0, r > 0] b > 0] BI (347)(9) ET I 87(8) π p sin x cos nx sin x dx = 1 − p cos x 4 b > 0] ET I 29(7) sinh(ab) π −b e sin b b [b > 0] ET I 87(9) [b > 0] ET I 29(8) p2 < 1 pn−1 pn+1 + n+1 n−1 2 p <1 n+1 BI (345)(4) BI (345)(5) n−1 p p − n+1 n−1 2 p <1 dx π 1+p p sin x = ln 1 − p cos x sin x 2 1−p 0 π dx π p sin x = − ln 1 − p2 arctan 1 − p cos x tan x 2 0 arctan q > 0, [a > 0, √ −b a2 +c2 π p sin x sin nx cos x dx = 1 − p cos x 4 0 4.576 arctan π 3. π −ab e sinh(ab) b π n p sin x sin nx dx = p 1 − p cos x 2n 0 sin(bx) dx = arctan 0 2. 1 tan x dx r π = 2 ln 1 + tanh 2 2 2r q p x + r sin x [p > 0, cos2 1 −ab a cos(bx) dx = e Ei(ab) − eab Ei(−ab) x 2b ∞ q2 4.574 p2 < 1 p2 < 1 BI (345)(6) BI(346)(1) BI(346)(3) sin2 x dx arctan tan λ 1 − k 2 sin2 x 1 − k 2 sin+2 x , π = 2 F (λ, k) − E (λ, k) + cot λ 1 − 1 − k 2 sin2 λ 2k BI (344)(4) 2. 0 π/2 cos2 x dx arctan tan λ 1 − k 2 sin2 x 1 − k+2 sin2 x , π 2 = 2 E (λ, k) − k F (λ, k) + cot λ 1 − k 2 sin2 λ − 1 2k BI (344)(5) 4.601 Change of variables in multiple integrals 607 4.58 A combination involving an inverse and a direct trigonometric function and a power ∞ 4.58110 dx = x arctan x cos px 0 ∞ arctan 0 dx π x cos x = − Ei(−p) p x 2 [Re(p) > 0] ET I 29(3), NT 25(13) 4.59 Combinations of inverse trigonometric functions and logarithms 4.591 1. 1 0 1 arcsin x ln x dx = 2 − ln 2 − π 2 BI (339)(1) arccos x ln x dx = ln 2 − 2 BI (339)(2) 1 2. 0 ∞ 1 4.592 arccos x 0 4.593 (2k − 1)!! ln(2k + 2) dx =− ln x 2k k! 2k + 1 1 1. arctan x ln x dx = 0 π 1 1 ln 2 − + π 2 2 4 48 1 arccot x ln x dx = − 2. 0 BI (339)(8) k=0 1 4.594 n−1 arctan x (ln x) BI (339)(3) 1 2 π 1 π − − ln 2 48 4 2 (ln x + n) dx = 0 −n n! 2 − 1 ζ(n + 1) n+1 (−2) BI (339)(4) BI (339)(7) 4.6 Multiple Integrals 4.60 Change of variables in multiple integrals 4.601 1. f (x, y) dx dy = f [ϕ(u, υ), ψ(u, υ)] |Δ| du dυ (σ ) (σ) where x = ϕ(u, υ), y = ψ(u, υ), and Δ = 2. D(ϕ, ψ) ∂ϕ ∂ψ ∂ψ ∂ϕ − ≡ is the Jacobian determinant ∂u ∂υ ∂u ∂υ D(u, υ) of the functions ϕ and ψ. f (x, y, z) dx dy dz = f [ϕ(u, υ, w), ψ(u, υ, w), χ(u, υ, w)|Δ| du dυ dw] (V ) (V ) where x = ϕ(u, υ, w), y = ψ(u, υ, w), and z = χ(u, υ, w) and where ! ∂ϕ ∂ϕ ∂ϕ ! ! ! ∂υ ∂w ! ! ∂u ∂ψ D(ϕ, ψ, χ) ∂ψ ! ≡ Δ = !! ∂ψ ∂u ∂υ ∂w ! ! ∂χ ∂χ ∂χ ! D(u, υ, w) ∂u ∂υ ∂w is the Jacobian determinant of the functions ϕ, ψ, and χ. Here, we assume, both in (4.601 1) and in (4.601 2) that 608 Multiple Integrals (a) the functions ϕ, ψ, and χ and also their first partial derivatives are continuous in the region of integration; the Jacobian does not change sign in this region; there exists a one-to-one correspondence between the old variables x, y,z and the new ones u, υ,w in the region of integration; when we change from the variables x, y,z to the variables u, υ,w, the region V (resp. σ) is mapped into the region V (resp. σ ). (b) (c) (d) 4.602 Transformation to polar coordinates: x = r cos ϕ, 4.603 4.602 y = r sin ϕ; D(x, y) =r D(r, ϕ) Transformation to spherical coordinates: x = r sin θ cos ϕ, y = r sin θ sin ϕ, z = r cos θ, D(x, y, z) = r2 sin θ D(r, θ, ϕ) 4.61 Change of the order of integration and change of variables 4.611 α 1. x dx f (x, y) dy = 0 0 α 2. dx 0 α f (x, y) dx 0 y β αx β f (x, y) dy = 0 α dy α dy f (x, y) dx α βy 0 4.612 R 1. 0 2. 0 √ R2 −x2 dx f (x, y) dy = dy 0 0 2p √ dx √R2 −y2 R q/p 2px−x2 f (x, y) dy = 0 f (x, y) dx 0 q dy 0 + √ , p 1+ 1−(y/q)2 + √ , p 1− 1−(y/q)2 f (x, y) dx 4.613 4.613 Change of the order of integration and change of variables α 1. dx 0 β/(β+x) β/(β+α) f (x, y) dy = 0 0 + α dx 0 1 2α 3. δ β+γ dx 3α−x α 0 R √ 2 αy f (x, y) dy = dy f (x, y) dx+ 03α 0 3α−y + dy f (x, y) dx α 4. f (x, y) dx 0 αβ y/β f (x, y) dy = dy f (x, y) dx 0 0δ (δ−y)/γ + dy f (x, y) dx αβ 0 , a > 0, β > 0, γ > 0 x2 /4α 0 β(1−y)/y dy δ−νx βx α= f (x, y) dx 0 β/(β+α) 2. α dy x+2R dx √ f (x, y) dy = R2 −x2 0 R dy √ f (x, y) dx 0 R2 −y 2 2R R + dy f (x, y) dx R 0 3R R + dy f (x, y) dx R 2R y−2R 609 610 Multiple Integrals π/2 4.614 4.615 0 2R 4.616 dx 4.617 α π/2 0 ϕ2 (x) dx β f (x, y)dy = ϕ1 (x) + f (r cos ϕ, r sin ϕ) r dr 0 ϕ2 (x) f (x, y)dy − α dx 0 2R cos ϕ dϕ 0 0 ϕ1 (x) dx β ϕ1 (x) dx α f (x, y)dy − 0 0 ϕ2 (x) f (x, y)dy 0 f (x, y) dy 0 [ϕ1 (x) ≤ ϕ2 (x) for α ≤ x ≤ β] 1 f (x, y) dy = dx f [x, zϕ(x)] ϕ(x)dz [y = zϕ(x)] 0 0 0 1 0 ϕ(γz) =γ dz f (γz, y) dy [x = γz] 0 0 x1 y1 x1 1 dx f (x, y) dy = dx (y1 − y0 ) f [x, y0 + (y1 − y0 ) t] dt 4.619 f (r cos ϕ, r sin ϕ) r dr 0 f (x, y) dy = 0 4.618 R dϕ 2R−x2 0 β π/2 0 √ dx 0 0 f (x, y) dy = 0 r 2R f (r, ϕ) dϕ 0 √ R2 −x2 dx arccos dr 0 R 2R f (r, ϕ) dr = 0 2R cos ϕ dϕ 4.614 γ dx x0 ϕ(x) y0 γ x0 0 [y = y0 + (y1 − y0 ) t] 4.62 Double and triple integrals with constant limits 4.620 1. General formulas π ∞ π sign p dω f (p cosh x + q cos ω sinh x) sinh x dx = − f sign p p2 − q 2 p2 − q 2 0 0 2 2 p >q , lim f (x) = 0 x→+∞ LO III 389 4.621 Double and triple integrals with constant limits 2π 2. ∞ dω 0 611 f [p cosh x + (q cos ω + r sin ω) sinh x] sinh x dx 0 2π sign p = − f sign p p2 − q 2 − r2 2 2 2 p −q −r 2 2 2 lim f (x) = 0 LO III 390 p >q +r , x→+∞ π π 3. 0 0 2π sign p dx dy p − q cos x + r cot y = − f sign p p2 − q 2 − r2 2 f sin x sin y sin x sin y p2 − q2 − r2 lim f (x) = 0 p2 > q 2 + r2 , x→+∞ ∞ 4. dx −∞ LO III 280 ∞ f (p cosh x cosh y + q sinh x cosh y + r sinh y) cosh y dy −∞ 2π sign p = − f sign p p2 − q 2 − r2 p2 − q 2 − r2 lim f (x) = 0 LO III 390 p2 > q 2 + r2 , x→+∞ 5. π ∞ ∞ dx f (p cosh x + q cos ω sinh x) sinh2 x sin ω dω = 2 f sign p p2 − q 2 cosh x sinh2 x dx 0 0 0 lim f (x) = 0 LO III 391 x→+∞ 6. ∞ dx 0 2π π f [p cosh x + (q cos ω + r sin ω) sin θ sinh x] sinh2 x sin θ dθ ∞ f sign p p2 − q 2 − r2 cosh x sinh2 x dx =4 0 p2 > q 2 + r2 , lim f (x) = 0 LO III 390 dω 0 0 x→+∞ 7. 0 ∞ dx 2π dω 0 0 π f {p cosh x + [(q cos ω + r sin ω) sin θ + s cosh θ] sinh x} sinh2 x sin θ dθ ∞ f sign p p2 − q 2 − r2 − s2 cosh x sinh2 x dx = 4π 0 2 2 2 2 p >q +r +s , lim f (x) = 0 LO III 391 x→+∞ 4.621 1. 2. 3. 1 − k 2 sin2 x sin2 y π dx dy = √ 2 2 1 − k sin y 2 1 − k2 0 0 π/2 π/2 cos y 1 − k 2 sin2 x sin2 y dx dy = K(k) 1 − k 2 sin2 y 0 0 π/2 π/2 sin α sin y dx dy πα = 2 2 2 2 0 0 1 − sin α sin x sin y π/2 π/2 sin y LO I 252(90) LO I 252(91) LO I 253 612 Multiple Integrals 4.622 π π π 0 0 0 π π √ 2 2 dx dy dz = 4π K 2 1 − cos x cos y cos z 1. 4.622 MO 137 √ π dx dy dz = 3π K 2 sin 3 − cos y cos z − cos x cos z − cos x cos y 12 0 0 0 π π π + + √ √ √ , √ dx dy dz = 4π 18 + 12 2 − 10 3 − 7 6 K 2 2 − 3 0 0 0 3 − cos x − cos y − cos z 2. 3. π MO 137 √ √ , 3− 2 MO 137 ∞ ∞ 4.6233 0 π 0 2π π ϕ a2 x2 + b2 y 2 dx dy = 2ab ∞ ϕ x2 x dx 0 4.624 f (α cos θ + β sin θ cos ψ + γ sin θ sin ψ) sin θ dθ dψ π 1 = 2π f (R cos p) sin p dp = 2π f (Rt) dt −1 +0 , R = α2 + β 2 + γ 2 a b −3/2 4.6258 pl (a, b) = dx dy x2 + y 2 + 1 P l 1/ x2 + y 2 + 1 0 0 0 0 Then, for even and odd subscripts: (−1) ab 1 √ • p2l (a, b) = l(2l + 1)22l a2 + b2 + 1 k=0 ×(2l + 2k + 1) k j=0 2j j 2 2l+2k l+k 2k k (2k + 1) l−k−1 2k l−1 1 22j (a2 + b2 + 1)j l+k l−k−1 1 k−j+1 (a2 + 1) + 1 k−j+1 (b2 + 1) (−1)l+k l l+k+1 2l + 2k + 1 1 • p2l+1 (a, b) = 2l+1 k k l+k 2 (2l + 1) 22k k=0 b a a b 1 1 √ √ arctan−1 √ + arctan−1 √ × k k 2+1 2+1 2+1 2+1 2 2 b b a a (b + 1) (a + 1) ⎫ k ⎬ 2j−1 2 1 1 1 +ab + · j k−j+1 k−j+1 ⎭ 2j (a2 + b2 + 1) (a2 + 1) (b2 + 1) j=1 j j l 4.63–4.64 Multiple integrals x 1 (x − t)n−1 f (t) dt, (n − 1)! p p p p where f (t) is continuous on the interval [p, q] and p ≤ x ≤ q. 4.631 x dtn−1 tn−1 dtn−2 . . . t1 f (t) dt = FI II 692 4.635 Multiple integrals 4.632 ··· 1. dx1 dx2 · · · dxn = x1 ≥0,x2 ≥0,...,xn ≥0 x1 +x2 +···+xn ≤h 613 hn n! [the volume of an n-dimensional simplex] √ πn ··· dx1 dx2 · · · dxn = Rn n +1 Γ x21 +x22 +···+x2n ≤R2 2 2. FI III 472 [the volume of an n-dimensional sphere] FI III 473 dx1 dx2 · · · dxn π (n+1)/2 [n > 1] n+1 1 − − − · · · − x2n Γ x21 +x22 +···+x2n ≤1 2 half-area of the surface of an (n + 1)-dimensional sphere x21 + x22 + · · · + x2n+1 = 1 8 4.634 x1p1 −1 xp22 −1 · · · xnpn −1 dx1 dx2 . . . dxn ··· ··· 4.633 x1 q1 x21 = x22 x1 ≥0,x2 ≥0,...,xn ≥0 α2 x n αn ≤1 + q2 +···+( x qn ) α1 2 p1 p2 pn Γ ...Γ α1 α2 αn p1 p2 pn Γ + + ··· + +1 α1 α2 αn qi > 0, i = 1, 2, . . . , n] FI III 477 q p1 q p2 . . . qnpn = 1 2 α1 α2 . . . αn [αi > 0, 4.635 1. ··· 8 x1 q1 FI III 474 f x1 ≥0,x2 ≥0,...,xn ≥0 α1 α2 x n αn ≥1 + q2 +···+( x qn ) x1 q1 α1 + x2 q2 pi > 0, α2 + ··· + xn qn Γ αn 2 ×x1p1 −1 xp22 −1 · · · xnpn −1 dx1 dx2 · · · dxn q p1 q p2 . . . qnpn = 1 2 α1 α2 · · · αn Γ p1 p2 pn Γ ...Γ α1 α2 αn p1 p2 pn Γ + + ··· + α1 α2 αn ∞ p1 p2 pn f (x)x α1 + α2 +···+ αn −1 dx 1 under the assumption that the integral on the right converges absolutely. FI III 487 614 Multiple Integrals 2. ··· 8 x1 q1 f x1 ≥0,x2 ≥0,··· ,xn ≥0 α2 x n αn ≤1 + q2 +···+( x qn ) x1 q1 α1 + x2 q2 4.636 α2 + ··· + αn xn qn α1 2 ×x1p1 −1 x2p2 −1 · · · xnpn −1 dx1 dx2 · · · dxn q p1 q p2 . . . qnpn = 1 2 α1 α2 . . . αn Γ p1 p2 pn Γ ···Γ α1 α2 αn p1 p2 pn Γ + + ··· + α1 α2 αn 1 p1 p2 pn f (x)x α1 + α2 +···+ αn −1 dx 0 under the assumptions that the one-dimensional integral on the right converges absolutely and that the numbers qi , αi , and pi are positive. FI III 479 In particular, ··· 3. xp11 −1 xp22 −1 . . . xnpn −1 e−q(x1 +x2 +···+xn ) dx1 dx2 . . . dxn x1 ≥0,x2 ≥0,...,xn ≥0 x1 +x2 +···+xn ≤1 = ··· 4.8 x1 ≥0,x2 ≥0,··· ,xn ≥0 α α n x1 1 +x2 2 +···+xα n ≤1 Γ (p1 ) Γ (p2 ) . . . Γ (pn ) 1 p1 +p2 +···+pn −1 −qx x e dx Γ (p1 + p2 + · · · + pn ) 0 [n > 0, p1 > 0, p2 > 0, . . . , pn > 0] xp11 −1 x2p2 −1 . . . xnpn −1 α2 αn μ dx1 dx2 . . . dxn 1 (1 − xα 1 − x2 − · · · − xn ) Γ(1 − μ) = α1 α2 . . . αn [p1 > 0, 4.636 1. 8 ··· x1 ≥0,x2 ≥0,...,xn ≥0 α α α x1 1 +x2 2 +···+xn n ≥1 Γ p1 α1 Γ p2 α2 ...Γ pn αn p1 p2 pn + + ··· + α1 α2 αn p2 > 0, . . . , pn > 0, μ < 1] FI III 480 Γ 1−μ+ xp11 −1 xp22 −1 . . . xnpn −1 α2 αn μ dx1 dx2 . . . dxn 1 (xα 1 + x2 + · · · + xn ) p2 pn p1 Γ ...Γ 1 α1 α2 αn p1 p2 pn p2 pn p1 − − ··· − Γ + + ··· + μ− α1 α2 αn α1 α2 αn p1 p2 pn p2 > 0, . . . , pn > 0; μ > + + ··· + FI III 488 α1 α2 αn Γ = α1 α2 . . . αn p1 > 0, 4.638 Multiple integrals ··· 2.8 x1 ≥0,x2 ≥0,··· ,xn ≥0 α α n x1 1 +x2 2 +···+xα n ≤1 3. 8 ··· x1 ≥0,x2 ≥0,...,xn ≥0 α α α x1 1 +x2 2 +···+xn n ≤1 615 xp11 −1 xp22 −1 · · · xnpn −1 α2 αn μ dx1 dx2 . . . dxn 1 (xα 1 + x2 + · · · + xn ) p1 p2 pn Γ Γ ...Γ 1 α1 α2 αn = p1 p1 p2 pn p2 pn α1 α2 . . . αn + + ··· + −μ Γ + + ··· + α1 α2 α α α α n 1 2 n p1 p2 pn μ< + + ··· + FI III 480 α1 α2 αn . α2 αn 1 1 − xα 1 − x2 − · · · − xn x1p1 −1 xp22 −1 . . . xnpn −1 dx1 dx2 . . . dxn α1 α2 n 1 + x1 + x2 + · · · + xα n √ Γ π = 2 p1 α1 p1 ...Γ α2 α1 α2 . . . αn Γ p1 p2 pn where m = + + ··· + . α1 α2 αn 8 4.637 f (x1 + x2 + · · · + xn ) ··· x1 ≥0, x2 ≥0,...,xn ≥0 x1 +x2 +···+xn ≤1 = pn αn ⎧ ⎪ ⎪ ⎨ m Γ 1 2 m +1 Γ(m) ⎪ ⎪ ⎩Γ 2 Γ − Γ m+1 2 m+2 2 ⎫ ⎪ ⎪ ⎬ ⎪ ⎪ ⎭ , FI III 480 xp11 −1 x2p2 −1 . . . xnpn −1 dx1 dx2 . . . dxn (q1 x1 + q2 x2 + · · · + qn xn + r) Γ (p1 ) Γ (p2 ) . . . Γ (pn ) Γ (p1 p2 + . . . pn ) 1 f (x) 0 p1 +p2 +···+pn xp1 p2 +···pn −1 p p dx, (q1 x + r) (q2 x + r) 2 . . . (qn x + r) n [q1 ≥ 0, q2 ≥ 0, . . . , qn ≥ 0; r > 0] p1 where f (x) is continuous on the interval (0, 1). 4.638 ∞ p1 −1 p2 −1 ∞ ∞ x1 x2 · · · xnpn −1 e−(q1 x1 +q2 x2 +···+qn xn ) ... dx1 dx2 . . . dxn 1. s (r0 + r1 x1 + r2 x2 + · · · + rn xn ) 0 0 0 ∞ er0 x xs−1 dx Γ (p1 ) Γ (p2 ) . . . Γ (pn ) = p1 p2 pn Γ(s) 0 (q1 r1 x) (q1 r2 x) . . . (qn rn x) where pi , qi , ri , and s are positive. This result is also valid for r0 = 0, provided p1 +p2 +· · ·+pn > s. ∞ ∞ ∞ x1p1 −1 xp22 −1 . . . xnpn −1 2. ... s dx1 dx2 . . . dxn 0 0 0 (r0 + r1 x1 + r2 x2 + · · · + rn xn ) Γ (p1 ) Γ (p2 ) . . . Γ (pn ) Γ (sp1 p2 − · · · − pn ) = r1p1 r2p2 · · · rnpn r0s−p1 −p2 −···−pn Γ(s) [pi > 0, ri > 0, s > 0] ∞ ∞ ∞ p1 −1 p2 −1 pn −1 x1 x2 . . . xn ... 3.8 q1 q2 qn s dx1 dx2 . . . dxn 0 0 0 [1 + (r1 x1 ) + (r2 x2 ) + · · · + (rn xn ) ] p1 p2 pn p1 p2 pn Γ s− − − ··· − Γ Γ ...Γ q1 q2 qn q1 q2 qn = q1 q2 . . . qn r1p1 q1 r2p2 q2 . . . rnpn qn Γ(s) [pi > 0, qi > 0, ri > 0, s > 0] 616 4.639 Multiple Integrals ··· 1. (p1 x1 + p2 x2 + · · · + pn xn ) x21 +x22 +···+x2n ≤1 2m dx1 dx2 . . . dxn √ 2 m πn (2m − 1)!! p1 + p22 + · · · + p2n = n 2m +m+1 Γ 2 FI III 482 ··· 2. 4.639 (p1 x1 + p2 x2 + · · · + pn xn ) 2m+1 dx1 dx2 . . . dxn = 0 FI III 483 x21 +x22 +···+x2n ≤1 4.641 ··· 1.11 ep1 x1 +p2 x2 +···+pn xn dx1 dx2 . . . dxn x21 +x22 +···+x2n ≤1 = ∞ √ πn k=0 1 k! Γ n +k+1 2 p21 + p22 + · · · + p2n 4 k FI III 483 ··· 2. ep1 x1 p2 x2 +···p2n x2n dx1 dx2 . . . dx2n = x21 +x22 +···+x22n ≤1 (2π)n I n p21 + p22 + · · · + p22n n/2 (p21 + p22 + · · · + p22n ) FI III 483a √ < 2 π n R n−1 2 2 2 4.642 ··· f x1 + x2 + · · · + xn dx1 dx2 . . . dxn = x f (x) dx, n 0 Γ 2 2 2 2 x1 +x2 +···+xn ≤R 2 where f (x) is a function that is continuous on the interval (0, R). 1 1 1 p −1 p −1 p −1 4.643 ... f (x1 x2 · · · xn ) (1 − x1 ) 1 (1 − x2 ) 2 . . . (1 − xn ) n 0 0 FI III 485 0 ×xp21 xp31 +p2 · · · xpn1 +p2 +···+pn−1 dx1 dx2 . . . dxn Γ (p1 ) Γ (p2 ) . . . Γ (pn ) 1 = f (x)(1 − x)p1 +p2 +···+pn −1 dx Γ (p1 + p2 + · · · + pn ) 0 under the assumption that the integral on the right converges absolutely. n−1 ? @A B dx1 dx2 . . . dxn−1 ··· 4.644 f (p1 x1 + p2 x2 + · · · + pn xn ) |xn | x21 +x22 +···+x2n =1 dx1 dx2 · · · dxn−1 f (p1 x1 + p2 x2 + · · · + pn xn ) < =2 ··· 1 − x21 − x22 − · · · − x2n−1 x21 +x22 +···+x2n−1 ≤1 √ π < 2 π n−1 = f p21 + p22 + · · · + p2n cos x sinn−2 x dx n−1 0 Γ 2 where f (x) is continuous on the interval − p21 + p22 + · · · + p2n , p21 + p22 + · · · + p2n . FI III 488 [n ≥ 3] FI III 489 4.648 Multiple integrals 617 4.645 Suppose that two functions f (x1 , x2 , . . . , xn ) and g (x1 , x2 , . . . , xn ) are continuous in a closed, bounded region D and that the smallest and greatest values of the function g in D are m and M , respectively. Let ϕ(u) denote a function that is continuous for m ≤ u ≤M. We denote by ψ(u) the integral 1. ψ(u) = ··· f (x1 , x2 , . . . , xn ) dx1 dx2 . . . dxn , m≤g(x1 ,x2 ,...,xn )≤u 2. over that portion of the region D on which the inequality m ≤ g (x1 , x2 , . . . , xn ) ≤ u is satisfied. Then ··· f (x1 , x2 , . . . , xn ) ϕ [g (x1 , x2 , . . . , xn )] dx1 dx2 . . . dxn m≤g(x1 ,x2 ,...,xn )≤M = (S) M ϕ(u)d ψ(u) = (R) m M ϕ(u) m d ψ(u) du du where the middle integral must be understood in the sense of Stieltjes. If the derivative dψ du exists and is continuous, the Riemann integral on the right exists. M " +∞ M may be +∞ in formulas 4.645 2, in which case m should be understood to mean lim . M →+∞ ··· 4.6468 x1 ≥0,x2 ≥0,...,xn ≥0 x1 +x2 +···+xn ≤1 xp11 −1 xp22 −1 . . . xnpn −1 r dx1 dx2 . . . dxn (q1 x1 + q2 x2 + · · · + qn xn ) ∞ xr−1 dx Γ (p1 ) Γ (p2 ) . . . Γ (pn ) = p1 Γ (p1 + p2 + · · · + pn − r + 1) Γ(r) 0 (1 + q1 x) (1 + q2 x)p2 · · · (1 + qn x)pn p2 > 0, . . . , pn > 0, q1 > 0, q2 > 0, . . . , qn > 0, p1 + p2 + · · · + pn > r > 0] = [p1 > 0, ··· 4.647 exp 0≤x21 +x22 +···+x2n ≤1 p1 x1 + p2 x2 + · · · + pn xn x21 + x22 + · · · + x2n = ∞ ∞ 4.6488 0 0 m ∞ ··· 0 FI III 493 dx1 dx2 . . . dxn √ 2 πn n n (p21 + p22 + · · · + p2n ) 4 exp − x1 + x2 + · · · + xn + λn+1 x1 x2 . . . xn 1 − 12 I n2 −1 < p21 + p22 + · · · + p2n FI III 495 −1 2 −1 n ×xc1n+1 x2n+1 . . . xnn+1 n 1 =√ (2π) 2 e−(n+1)λ n+1 −1 dx1 dx2 · · · dxn FI III 496 This page intentionally left blank 5 Indefinite Integrals of Special Functions 5.1 Elliptic Integrals and Functions Notation: k = √ 1 − k 2 (cf. 8.1). 5.11 Complete elliptic integrals 5.111 K(k)k2p+3 dk = 1. 2. 1 (2p + 3)2 4(p + 1)2 + , 2 K(k)k2p+1 dk + k 2p+2 E(k) − (2p + 3) K(k)k ⎧ ⎨ 1 E(k)k2p+3 dk = 2 4(p + 1)2 E(k)k2p+1 dk 4p + 16p + 15 ⎩ − E(k)k2p+2 + BY (610.04) ⎫ ⎬ 2 2 (2p + 3)k − 2 − k 2p+2 k K(k) ⎭ , BY (611.04) 5.112 1. ⎡ ⎤ ∞ 2 πk ⎣ [(2j)!] k 2j ⎦ K(k) dk = 1+ 4 4j 2 j=1 (2j + 1)2 (j!) ⎡ 2.6 E(k) dk = 3. ∞ 2 BY (610.00) ⎤ 2j [(2j)!] k πk ⎣ ⎦ 1− 2 − 1) 24j (j!)4 2 (4j j=1 K(k)k dk = E(k) − k K(k) 2 BY (611.00) BY (610.01) 4. 5. , 1 + 2 1 + k 2 E(k) − k K(k) 3 , 1 + 2 4 + k 2 E(k) − k 4 + 3k 2 K(k) K(k)k3 dk = 9 E(k)k dk = 619 BY (611.01) BY (610.02) 620 Elliptic Integrals and Functions 5.113 6. 7. 8. , 1 + 2 4 + k 2 + 9k 4 E(k) − k 4 + 3k 2 K(k) BY 611.02) 45 , 1 + 2 64 + 16k2 + 9k 4 E(k) − k 64 + 48k 2 + 45k 4 K(k) K(k)k5 dk = BY (610.03) 225 , 1 + 2 64 + 16k 2 + 9k 4 + 225k 6 E(k) − k 64 + 48k 2 + 45k 4 K(k) E(k)k5 dk = 1575 E(k)k3 dk = BY (611.03) 9. 10. 11. 12. 13. 5.113 E(k) K(k) dk = − 2 k k + , E(k) 1 2 k dk = K(k) − 2 E(k) k2 k E(k) dk = k K(k) k 2 , E(k) 1 + 2 2 2 k dk = − 2 E(k) + k K(k) k4 9k 3 k E(k) dk = K(k) − E(k) k 2 dk = − E(k) k + , dk 2 2 E(k) − k K(k) = 2 E(k) − k K(k) k dk 2 = −k K(k) 1 + k 2 K(k) − E(k) k , dk 1+ 2 E(k) − k K(k) [K(k) − E(k)] 2 = k k + , dk 1 2 E(k) − k K(k) 2 2 = [K(k) − E(k)] k k k + , dk E(k) 2 1 + k2 E(k) − k K(k) 4 = kk k 2 [K(k) − E(k)] 1. 2. 3. 4. 5. 6. 5.114 5.115 1. 2. 3. k K(k) dk E(k) − k 2 1 2 = 2 k K(k) − E(k) K(k) BY (612.05) BY (612.02) BY (612.01) BY (612.03) BY (612.04) BY (612.06) BY (612.09) BY (612.12) BY (612.07) BY (612.13) BY (612.11) π 2 π 2 , r , k k dk = k 2 − r2 Π , r , k − K(k) + E(k) 2 2 + , π 2 π 2 K(k) − Π , r , k k dk = k2 K(k) − k 2 − r2 Π ,r ,k 2 2 2 π 2 E(k) π 2 2 , r ,r ,k Π + Π , k k dk = k − r 2 2 2 k Π BY (612.14) BY (612.15) BY (612.16) 5.124 Elliptic integrals 621 5.12 Elliptic integrals 2 + F (x, k) dx [F (x, k)] π, = 0<x≤ 2 2 0 1 − k 2 sin2 x x 2 [E (x, k)] 5.12211 E (x, k) 1 − k 2 sin2 x dx = 2 0 5.123 x 1 F (x, k) sin x dx = − cos x F (x, k) + arcsin (k sin x) 1. k 0 . x 1 − k 2 sin2 x 1 1 2. F (x, k) cos x dx = sin x F (x, k) + arccosh − arccosh k k k 2 0 x 5.121 5.124 BY (630.32) BY (630.11) 1 k BY (630.21) , 1+ k sin x 1 − k 2 sin2 x+arcsin (k sin x) 2k 0 ⎡ x 1 ⎣ k cos x 1 − k 2 sin2 x E (x, k) cos x dx = sin x E (x, k) + 2k 0 ⎤ . 2 2 1 1 − k sin x 2 2 ⎦ − k arccosh − k + k arccosh k k 2 x E (x, k) sin x dx = − cos x E (x, k)+ 1. 2. 3.∗ a 0 x E(x) dx π = 2√ 2 2 2 2 2 4 (k + k x ) a − x λ = arcsin 4. BY (630.01) ∗ 0 ∗ 5. 0 a x E(x) dx π = 2√ 2 2 2 2 4 (k − x ) a − x π/2 BY (630.12) BY (630.22) √ a 1 − a2 2 (k 2 + k 2 a2 ) √ k 2 a + k 2 a2 + a2 E (λ, k) 3/2 k 2 (k 2 + k 2 a2 ) k = 1 − k2 + 1−a 2 F (λ, k) 3/2 (k 2 + k 2 a2 ) [0 < a < 1, 0 < k < 1] √ F (φ, k) a2 E (φ, k) a 1 − a2 + √ + 3/2 k 2 (k 2 − a2 ) k 2 k 2 − a2 k 2 (k 2 − a2 ) a [0 < a < k < 1] φ = arcsin k E (x, k ) sin x cos x dx 1 − k 2 cosh2 v sin2 x 1 − k 2 sin2 x tanh v 1 π tanh v π − [F (φ, k) − E (φ, k)] = 2 E(k ) arctanh − k sinh v cosh v k 2 2 tanh v 2 φ = arcsin [0 < tanh v < k < 1] k = 1−k k 622 6.∗ Elliptic Integrals and Functions π/2 0 E (x, k) sin x cos x dx 2 2 ψ sin2 x 1 − k cos 1 − k 2 sin2 x 1 = 2 k sin ψ cos ψ E(k) arctan tan ψ k β = arctan 7. ∗ ∗ π/2 π/2 5.124 π tan ψ π 1 − 1 − k 2 cos2 ψ − E (β, k) + 2 2 2 2 1 − k cos ψ + π, tan ψ 0 < k < 1, 0 < ψ < k = 1 − k2 k 2 E (x, k ) sin x cos x dx 0 1 + k 2 sinh2 μ sin2 x 1 − k 2 sin2 x < −1 π 2 2 = 2 E(k ) arctanh (k tanh μ) − F (φ, k) − E (φ, k) + tanh μ 1 + k sinh μ k sinh μ cosh μ 2 < π − coth μ 1 − 1 + k2 sinh2 μ 2 [0 < k < 1, 0 < tanh μ < 1] φ = arcsin(tanh μ) k = 1 − k 2 8. 0 F (x, k ) sin x cos x dx 1 + k 2 sinh2 μ sin2 x 1 − k 2 sin2 x + , −1 π F (φ, k) K(k ) arctanh (k tanh μ) − k 2 sinh μ cosh 2 μ 2 [0 < k < 1, 0 < tanh μ < 1] φ = arcsin(tanh μ) k = 1 − k = 9.∗ π/2 0 F (x, k ) sin x cos x dx 1 − k 2 cosh2 ν sin2 x 1 − k 2 sin2 x tanh ν 1 π F (φ, k) ) arctanh K(k − k 2 sinh ν cosh ν k 2 tanh ν [0 < k < 1, 0 < tanh ν < 1] k = 1 − k2 k = φ = arcsin 10.∗ π/2 0 F (x, k) sin x cos x dx 2 1 − k cos2 ψ sin2 x 1 − k 2 sin2 x tan ψ 1 π F (β, k) ) arctanh − K(k k 2 sin ψ cos ψ k 2 tan ψ [0 < k < 1, 0 < ψ < 1] k = 1 − k2 k = β = arctan 11.∗ b ln a +x −x x2 dx (x2 − a2 ) (b2 − x2 ) = π 2 2 − ( − a2 ) (2 − b2 ) + πβ [F (φ, k) − E (φ, k)] β a [0 < a < b < ] φ = arcsin k= b 5.131 5.125 Jacobian elliptic functions x 1. Π x, α2 , k sin x dx ⎡. ⎤ 2 2 k − α 1 = − cos x Π x, α2 , k + √ arctan ⎣ sin x⎦ 1 − k 2 sin2 x k 2 − α2 ⎡. ⎤ 2 2 α −k 1 = − cos x Π x, α2 , k + √ arctanh ⎣ sin x⎦ 1 − k 2 sin2 x α2 − k 2 0 2. 623 2 α < k2 2 α > k2 BY (630.13) x Π x, α2 , k cos x dx = sin x Π x, α2 , k − f − f0 0 % & 2 1 − α2 α2 − k 2 + 1 − α2 sin2 x 2k 2 − α2 − α2 k 2 f= arctan 2 (1 − α2 ) (α2 − k 2 ) 2α2 (1 − α2 ) (α2 − k 2 ) cos x 1 − k2 sin2 x for 1 − α2 α2 − k 2 > 0; % 2 2 α2 − 1 α2 − k 2 + 1 − α2 sin x α2 + α2 k 2 − 2k 2 1 = ln 1 − α2 sin2 x 2 (α2 − 1) (α2 − k 2 ) & 2α2 (α2 − 1) (α2 − k 2 ) cos x 1 − k 2 sin2 x + 1 − α2 sin2 x for 1 − α2 α2 − k 2 < 0, f0 is the value of f at x = 0 BY (630.23) where 1 Integration with respect to the modulus 2 5.126 F (x, k)k dk = E (x, k) − k F (x, k) + 1 − k 2 sin2 x − 1 cot x BY (613.01) , + 1 2 1 + k 2 E (x, k) − k F (x, k) + 5.127 E (x, k)k dk = 1 − k 2 sin2 x − 1 cot x BY (613.02) 3 5.128 Π x, r2 , k k dk = k 2 − r2 Π x, r2 , k − F (x, k) + E (x, k) + 1 − k 2 sin2 x − 1 cot x BY (613.03) 5.13 Jacobian elliptic functions 5.131 1. ⎡ 1 ⎣ sn m+1 u cn u dn u + (m + 2) 1 + k2 sn m u du = sn m+2 u du m+1 ⎤ − (m + 3)k2 sn m+4 u du⎦ SI 259, PE(567) 624 Elliptic Integrals and Functions ⎡ cn m u du = 2. 1 ⎣ − cn m+1 u sn u dn u (m + 1)k 2 + (m + 2) 1 − 2k 2 cn m+2 u du + (m + 3)k 2 ⎤ cn m+4 u du⎦ PE (568) ⎡ dn m u du = 3. 5.132 1 ⎣k 2 dn m+1 u sn u cn u (m + 1)k 2 + (m + 2) 2 − k 2 ⎤ dn m+2 u du − (m + 3) dn m+4 u du⎦ PE (569) By using formulas 5.131, we can reduce the integrals (for m = 1) dn m u du to the integrals 5.132, 5.133 and 5.134. 5.132 sn u du = ln 1. sn u cn u + dn u dn u − cn u = ln sn u 1 du k sn u + dn u = ln 2. cn u k cn u 1 du k sn u − cn u = arctan 3. dn u k k sn u + cn u 1 cn u = arccos k dn u 1 cn u + ik sn u = ln ik dn u 1 k sn u = arcsin k dn u " 5.133 1. 2. " sn m u du, " cn m u du, and H 87(164) SI 266(4) SI 266(5) H 88(166) JA SI 266(6) JA 1 ln (dn u − k cn u) k dn u − k 2 cn u 1 = arccosh k 1 − k2 dn u − cn u 1 = arcsinh k k 1 − k2 1 = − ln (dn u + k cn u) k 1 cn u du = arccos (dn u) ; k i = ln (dn u − ik sn u) ; k 1 = arcsin (k sn u) k sn u du = H 87(161) JA ; JA SI 365(1) H 87(162) SI 265(2)a, ZH 87(162) JA 5.137 Jacobian elliptic functions 625 3. dn u du = arcsin (sn u) ; = am u = i ln (cn u − i sn u) 5.134 1. 2. 3. H 87(163) SI 266(3), ZH 87(163) 1 [u − E (am u, k)] k2 , 1 + 2 cn 2 u du = 2 E (am u, k) − k u k dn 2 u du = E (am u, k) sn 2 u du = 5.135 1 dn u + k sn u du = ln 1. cn u k cn u 1 dn u + k = ln 2k dn u − k i sn u ik − k cn u du = ln 2. dn u kk dn u 1 k cn u = arccot kk k 1 − dn u cn u du = ln 3. sn u sn u 1 1 − dn u = ln 2 1 + dn u 1 1 − k sn u cn u du = − ln 4. dn u k dn u 1 + k sn u 1 ln = 2k 1 − k sn u 1 1 + sn u dn u du = ln 5. cn u 2 1 − sn u 1 + sn u = ln cn u 1 1 − cn u dn u du = ln 6. sn u 2 1 + cn u PE (564) PE (565) PE (566) SI 266(7) H 88(167) SI 266(8) SI 266(10) H 88(168) SI 266(9) H 88(172) JA H 87(170) 5.136 1 1. sn u cn u du = − 2 dn u k 2. sn u dn u du = − cn u 3. cn u dn u du = sn u 5.137 1. 1 dn u sn u du = 2 2 cn u k cn u H 88(173) 626 Elliptic Integrals and Functions 2. 3. 4. 5. 6. 5.138 1 cn u sn u du = − 2 dn 2 u k dn u dn u cn u du = − sn 2 u sn u sn u cn u du = dn 2 u dn u cn u dn u du = − sn 2 u sn u sn u dn u du = cn 2 u cn u H 88(175) H 88(174) H 88(177) H 88(176) H 88(178) 5.138 sn u cn u du = ln 1. sn u dn u dn u 1 sn u dn u du = 2 ln 2. cn u dn u cn u k sn u dn u du = ln 3. sn u cn u cn u H 88(183) H 88(182) H 88(184) 5.139 cn u dn u du = ln sn u 1.11 sn u 1 sn u dn u du = ln 2. cn u cn u 1 sn u cn u du = − 2 ln dn u 3. dn u k H 88(179) H 88(180) H 88(181) 5.14 Weierstrass elliptic functions The invariants g1 and g2 used below are defined in 8.161. 5.141 ℘(u) du = − ζ(u) 1. 2. 3. 4.8 1 1 ℘ (u) + g2 u 6 12 1 3 1 ℘ (u) − g2 ζ(u) + g3 u ℘3 (u) du = 120 20 10 1 du σ(u − v) = 2u ζ(v) + ln ℘(u) − ℘(v) ℘ (v) σ(u + v) ℘2 (u) du = 5. H 120(192) H 120(193) [℘(v) = e1 , e2 , e3 ] (see 8.162) H 120(194) au αδ − βγ α℘(u) + β σ(u + v) du = + 2 − 2u ζ(v) ln γ℘(u) + δ γ γ ℘ (v) σ(u − v) where v = ℘−1 −δ γ H 120(195) 5.221 The exponential integral function and powers 627 5.2 The Exponential Integral Function 5.21 The exponential integral function ∞ 5.211 Ei(−βx) Ei(−γx) dx = x 1 1 + β γ Ei[−(β + γ)x] −x Ei(−βx) Ei(−γx) − e−γx e−βx Ei(−γx) − Ei(−βx) β γ [Re(β + γ) > 0] NT 53(2) 5.22 Combinations of the exponential integral function and powers 5.221 ∞ 1. x k=0 [a > 0, ∞ 2. x 3.∗ 4.∗ n−1 1 Ei[−a(x + b)] (−1)n Ei[−a(x + b)] e−ab (−1)n−k−1 ∞ e−ax + dx = n − dx k+1 xn+1 x bn n n bn−k x x Ei[−a(x + b)] dx = x2 1 1 + x b Ei[−a(x + b)] − b > 0] NT 52(3) e−ab Ei(−ax) b [a > 0, b > 0] NT 52(4) 1 xe−ax x2 Ei(−ax) + 2 e−ax + [a > 0] 2 2a 2a ∞ n!e−ax (ax)k xn+1 Ei(−ax) + xn Ei(−ax) dx = n+1 (n + 1)an+1 k! x Ei(−ax) dx = k=0 5.∗ 6.∗ 7.∗ 8.∗ [a > 0] x Ei(−ax)e−bx dx = [a > 0, 2 Ei(−ax)e−ax − Ei(−2ax) Ei2 (−ax) dx = x Ei2 (−ax) + a x Ei2 (−ax) dx = x2 2 Ei (−ax) + 2 Ei(−ax) dx = u Ei(−au) + 0 1 x + a2 a Ei(−ax)e−ax − 1 1 Ei(−2ax) + 2 e−2ax a2 a [a > 0] u 0 9.∗ b > 0] [a > 0] 1 1 x 1 e−(a+b)x Ei [−(a + b)x] − 2 Ei(−ax)e−bx − Ei(−ax)e−bx − 2 b b b b(a + b) ∞ x Ei − x x Ei − a b dx = e −au −1 [a > 0] a a2 + b 2 2 ln(a + b) − b2 ab a2 ln a − ln b − 2 2 2 [a > 0, b > 0] 628 10. The Sine Integral and the Cosine Integral ∗ ∞ 0 x x x Ei − Ei − a b 2 5.231 ab 2 2 3 3 3 3 2 a + b ln(a + b) − a ln a − b ln b − a − ab + b dx = 3 a+b [a > 0, b > 0] 5.23 Combinations of the exponential integral and the exponential 5.231 x ex Ei(−x) dx = − ln x − C + ex Ei(−x) 1. ET II 308(11) 0 1. x e−βx Ei(−αx) dx = − 0 1 β e−βx Ei(−αx) + ln 1 + β α − Ei[−(α + β)x] ET II 308(12) 5.3 The Sine Integral and the Cosine Integral 5.31 1. cos αx ci(βx) dx = sin αx ci(βx) dx = − 2. 5.32 1. cos αx si(βx) dx = 1. cos αx ci(βx) ci(αx + βx) + ci(αx − βx) + α 2α NT 49(2) NT 49(3) cos αx si(βx) si(αx + βx) − si(αx − βx) + α 2α NT 49(4) 1 (si(αx + βx) + si(αx − βx)) ci(αx) ci(βx) dx = x ci(αx) ci(βx) + 2α 1 1 1 + (si(αx + βx) + si(βx − αx)) − sin αx ci(βx) − sin βx ci(αx) 2β α β NT 53(5) 1 (si(αx + βx) + si(αx − βx)) 2β 1 1 1 − (si(αx + βx) + si(βx + αx)) + cos αx si(βx) + cos βx si(αx) 2α α β si(αx) si(βx) dx = x si(αx) si(βx) − 2. 3. NT 49(1) sin αx si(βx) ci(αx + βx) − ci(αx − βx) + α 2α sin αx si(βx) dx = − 2. 5.33 sin αx ci(βx) si(αx + βx) + si(αx − βx) − α 2α NT 54(6) 1 cos αx ci(βx) α 1 1 1 − sin βx si(αx) − + ci(αx + βx) − β 2α 2β si(αx) ci(βx) dx = x si(αx) ci(βx) + 1 1 − 2α 2β ci(αx − βx) NT 54(10) 5.54 Combinations of the exponential integral and the exponential 5.34 ∞ si[a(x + b)] 1. x 1 1 + x b dx = x2 si[a(x + b)] − cos ab si(ax) + sin ab ci(ax) b [a > 0, ∞ 2. ci[a(x + b)] x 1 1 + x b dx = x2 ci[a(x + b)] + 629 b > 0] NT 52(6) sin ab si(ax) − cos ab ci(ax) b [a > 0, b > 0] NT 52(5) 5.4 The Probability Integral and Fresnel Integrals 5.41 11 5.42 5.43 e−α x Φ(αx) dx = x Φ(αx) + √ α π cos2 αx2 √ S (αx) dx = x S (αx) + α 2π sin2 αx2 C (αx) dx = x C (αx) − √ α 2π 2 2 NT 12(20)a NT 12(22)a NT 12(21)a 5.5 Bessel Functions Notation: Z and Z denote any of J, N , H (1) , H (2) . In formulae 5.52–5.56, Z p (x) and Zp (x) are arbitrary Bessel functions of the first, second, or third kinds. ∞ J p+2k+1 (x) JA, MO 30 5.51 J p (x) dx = 2 k=0 5.52 1. 2.11 5.5310 xp+1 Z p (x) dx = xp+1 Z p+1 (x) WA 132(1) x−p Z p+1 (x) dx = −x−p Z p (x) WA 132(2) p2 − q 2 α2 − β 2 x − Z p (αx) Zq (βx) dx x = αx Z p+1 (αx) Zq (βx) − βx Z p (αx) Zq+1 (βx) − (p − q) Z p (αx) Zq (βx) = βx Z p (αx) Zq−1 (βx) − αx Z p−1 (αx) Zq (βx) + (p − q) Z p (αx) Zq (βx) JA, MO 30, WA 134(7) 5.54 1. 10 αx Z p+1 (αx) Zp (βx) − βx Z p (αx) Zp+1 (βx) α2 − β 2 βx Z p (αx) Zp−1 (βx) − αx Z p−1 (αx) Zp (βx) = α2 − β 2 x Z p (αx) Zp (βx) dx = WA 134(8) 2. 2 x [Z p (αx)] dx = x2 2 [Z p (αx)] − Z p−1 (αx) Z p+1 (αx) 2 WA 135(11) 630 3. Bessel Functions ∗ x Z p (ax) Zp (ax) dx = 10 5.55 5.55 x4 2 Z p (ax) Zp (ax) − Z p−1 (ax) Zp+1 (ax) − Z p+1 (ax) Zp−1 (ax) 4 Z p (αx) Zq+1 (αx) − Z p+1 (αx) Zq (αx) Z p (αx) Zq (αx) 1 Z p (αx) Zq (αx) dx = αx + x p2 − q 2 p+q Z p−1 (αx) Zq (αx) − Z p (αx) Zq−1 (αx) Z p (αx) Zq (αx) = αx − p2 − q 2 p+q WA 135(13) 5.56 1. Z 1 (x) dx = − Z 0 (x) JA x Z 0 (x) dx = x Z 1 (x) JA 2. 6–7 Definite Integrals of Special Functions 6.1 Elliptic Integrals and Functions Notation: k = √ 1 − k 2 (cf. 8.1). 6.11 Forms containing F (x, k) π/2 6.111 F (x, k) cot x dx = 0 6.112 π/2 1. 0 F (x, k) 2 π sin x cos x 1 √ − K(k) ln K(k ) dx = 4k 1 − k sin2 x (1 − k) k 16k F (x, k) sin x cos x 1 dx = − 2 ln k K(k) 2k 1 − k 2 sin2 x 0 π/2 3. 0 6.113 π/2 1. F (x, k ) 0 π/2 2. F (x, k) 0 BI (350)(1) √ (1 + k) k π sin x cos x 1 K(k) ln + K(k ) F (x, k) dx = 4k 2 16k 1 + k sin2 x π/2 2. π 1 K(k ) + ln k K(k) 4 2 2 sin x cos x dx 1 √ K(k ) ln = 4(1 − k) (1 + k) k cos2 x + k sin2 x BI (350)(6) BI (350)(7) BI (350)(2)a, BY(802.12)a BI (350)(5) sin x cos x dx · 1 − k 2 sin2 t sin2 x 1 − k 2 sin2 x =− , + 1 π F (t, k) tan t) − K(k) arctan (k k 2 sin t cos t 2 BI (350)(12) 6.114 6.115 dx 1 K(k) K 1 − tan2 u cot2 v = 2 cos u sin v u sin2 x − sin2 u sin2 v − sin2 x 2 BI (351)(9) k = 1 − cot2 u · cot2 v √ 1 (1 + k) k π x dx 1 K(k) ln + K(k ) F (arcsin x, k) = 2 1 + kx 4k 2 16k 0 (cf. 6.112 2) BI (466)(1) v F (x, k) < 631 632 Elliptic Integrals and Functions 6.121 This and similar formulas can be obtained from formulas 6.111–6.113 by means of the substitution x = arcsin t. 6.12 Forms containing E (x, k) 1 sin x cos x 2 1 + k K(k) − (2 + ln k ) E(k) dx = 2 BI (350)(4) 2 2 2k 1 − k sin x 0 π/2 dx 1 6.122 E (x, k) BI (350)(10), BY (630.02) = {E(k) K(k) − ln k } 2 2 0 1 − k 2 sin x π/2 sin x cos x dx 6.123 E (x, k) · 2 2 2 1 − k sin t sin x 0 1 − k 2 sin2 x + , π 1 π E(k) arctan (k tan t) − E (t, k) + cot t 1 − 1 − k 2 sin2 t =− 2 k sin t cos t 2 2 BI (350)(13) ⎛. ⎞ v 2 dx 1 ⎝ 1 − tg u ⎠ E(k) K 6.124 E (x, k) < = 2 cos u sin v tg 2 v u sin2 x − sin2 u sin2 v − sin2 x ⎞ ⎛. k 2 sin v sin2 2u ⎠ + K⎝ 1− 2 cos u sin2 2v 2 k = 1 − cot2 u cot2 v BI (351)(10) π/2 6.121 E (x, k) 6.13 Integration of elliptic integrals with respect to the modulus x 1 − cos x = tan sin x 2 0 1 sin2 x + 1 − cos x 6.132 E (x, k)k dk = 3 sin x 0 1 2 1 + r sin x x − r2 Π x, r2 , 0 6.133 Π x, r , k k dk = tan − r ln 2 1 − r sin x 0 1 6.131 F (x, k)k dk = BY (616.03) BY (616.04) BY (616.05) 6.14–6.15 Complete elliptic integrals 6.141 1 1. K(k) dk = 2G FI II 755 π2 4 BY (615.03) 0 1 2. K(k ) dk = 0 1 dk = π ln 2 − 2G k 0 √ 1 2 dk 1 4 2 7 Γ 6.143 K(k) = K = k 2 16π 0 1 π2 dk = 6.144 K(k) 1+k 8 0 6.142 K(k) − π 2 BY (615.05) 1 4 BY (615.08) BY (615.09) 6.161 The theta function , dk 1 + 2 = 24 (ln 2) − π 2 k 12 0 1 1 2 n 2 6.146 n k K(k) dk = (n − 1) k n−2 K(k) dk + 1 0 0 1 1 6.147 n k n K(k ) dk = (n − 1) k n−2 E(k) dk 1 K(k ) − ln 6.145 4 k 0 6.148 E(k) dk = 1 +G 2 E(k ) dk = π2 8 0 1 2. 0 3. ∗ 1 0 6.149 1 E(k) − 0 1 2. π 2 (E(k ) − 1) 0 3.∗ BY (615.12) [n > 1] (see 6.152) BY (615.11) BY (615.02) BY (615.04) E(k) dk = 1 1+k 1. BY (615.13) 0 1 1. 633 dk π = π ln 2 − 2G + 1 − k 2 BY (615.06) dk = 2 ln 2 − 1 k BY (615.07) 1 E(k) dk = 1 1+k 1 dx E(x) π a − x2 K(x) − √ + x2 3 2 x 4 1−x 0 ⎡ 0 4.∗ 6.152 6.1536 6.154 ⎤ π ln 4 1 4 √ e √ ⎢ 2 dk 1⎢ 2 4K + E(k) = ⎢ ⎢ k 8⎣ 2 ⎥ ⎥ π2 √ ⎥ ⎥ 0 2 ⎦ K2 2 1 1 (n + 2) k n E(k ) dk = (n + 1) k n K(k ) dk 0 0 a 1+a 1 K(k)k dk π √ = √ ln 2 2 2 2 4 1−a k a −k 1−a 0 π/2 E (p sin x) π sin x dx = 2 sin2 x 1 − p 2 1 − p2 0 6.151 =− BY (615.10) [n > 1] (see 6.147) [0 < a < 1] p2 > 1 BY (615.14) LO I 252 FI II 489 6.16 The theta function 6.161 1. ∞ 0 2. 0 ∞ s xs−1 ϑ2 0 | ix2 dx = 2s 1 − 2−s π − 2 Γ 12 s ζ(s) s xs−1 ϑ3 0 | ix2 − 1 dx = π − 2 Γ 12 s ζ(s) [Re s > 2] ET I 339(20) [Re s > 2] ET I 339(21) 634 Elliptic Integrals and Functions ∞ 3. 0 6.162 1 xs−1 1 − ϑ4 0 | ix2 dx = 1 − 21−s π − 2 s Γ 12 s ζ(s) [Re s > 2] ∞ 4. 0 ET I 339(22) 1 xs−1 ϑ4 0 | ix2 + ϑ2 0 | ix2 − ϑ3 0 | ix2 dx = − (2s − 1) 21−s − 1 π − 2 s Γ 12 s ζ(s) ET I 339(24) 6.162 ∞ 1.11 ∞ 2. e−ax ϑ1 ! bπ !! iπx 2l ! l2 e−ax ϑ2 ! (l + b)π !! iπx ! l2 2l e−ax ϑ3 ! (l + b)π !! iπx ! l2 2l 0 ∞ 3.11 0 ∞ 4.11 √ √ l dx = √ cosh b a cosech l a a bπ 2l 0 ! ! iπx ! ! l2 e−ax ϑ4 0 [Re a > 0, ∞ 1. 0 [Re a > 0, ∞ 6.16411 [Re a > 0, |b| ≤ l] ET I 224(3)a |b| ≤ l] ET I 224(4)a √ √ l dx = √ cosh b a cosech l a a √ √ 1 √ √ √ e−(a−μ)x ϑ3 (π μx |iπx ) dx = √ coth a + μ + coth a − μ 2 a ϑ3 (iπkx | iπx) e−(k 2 +l2 )x dx = ET I 224(7)a sinh 2l l (cosh 2l − cos 2k) 1 ϑ4 0 | ie2x + ϑ2 0 | ie2x − ϑ3 0 | ie2x e 2 x cos(ax) dx 0 = 6.165 ET I 224(2)a √ √ l dx = − √ sinh b a sech l a a 0 |b| ≤ l] [Re a > 0] ∞ 2.10 ET I 224(1)a √ √ l dx = − √ sinh b a sech l a a [Re a > 0, 6.16310 |b| ≤ l] ∞ e 1 2x 1 1 2 2 +ia − 1 2 ϑ3 0 | ie2x − 1 cos(ax) dx 0 = 1 − 2 2 −ia π − 4 − 2 ia Γ 1 [a > 0] 1 1 1 4 + 12 ia ζ 12 + ia ET I 61(11) + − 1 ia− 1 1 , 2 2 1 1 1 2 4 Γ 1 + a π ζ ia + + ia + 4 2 4 2 1 + 4a2 [a > 0] ET I 61(12) 6.165 Generalized elliptic integrals 635 6.1710 Generalized elliptic integrals 1. Set π Ωj (k) ≡ −(j+ 12 ) 1 − k 2 cos φ dφ, 0 j! (4m + 2j)! π αm (j) = (64)m (2j)! (2m + j)! then Ωj (k) = ∞ αm (j)k4m = m=0 × erf λ − 2 √ π × 2 √ π erf λ − 1 m! 2 , π λ= 2 (2j + 1)k 2 , 1 − k2 ⎡ π −j ⎣ erf λ + 1 (2j + 1)−1 1 + 1 1 − k2 2 (2j + 1)k 2 2k 2 2 1 1 13 2 λe−λ − (2j + 1)−2 16 + 2 + 4 1 + λ2 3 12 k k ⎤ 2 4 2 λe−λ + . . .⎦ 1 + λ2 + λ4 3 15 while for large λ lim Ωj (k) = j→∞ 2. −j π k2 1 − k2 (2j + 1) 1 1 1 4 13 −1 −2 × 1 + (2j + 1) + 1 + 2 − (2j + 1) 1+ + ... 2 2k 3 16k 2 16k 4 Set Rμ (k, α, δ) = π cos2α−1 (θ/2) sin2δ−2α−1 (θ/2) dθ , μ+ 1 [1 − k 2 cos θ] 2 0 < k < 1, Re δ > Re α > 0, Re μ > −1/2, (−1)ν 2ν μ + 12 ν Γ(α) Γ (δ − α + ν) Mν (μ, α, δ) = , ν! Γ(δ + ν) with (λ)ν = Γ(λ + ν)/ Γ(λ), and ν 2 μ + 12 ν Γ(α + ν) Γ (δ − α) , Wν (μ, α, δ) = ν! Γ(δ + ν) 0 then: • for small k: Rμ (k, α, δ) = 1 − k 1 2 −(μ+ 2 ) −(μ+ 12 ) = 1 + k2 ∞ ν=0 ∞ ν=0 ν k2 / 1 − k2 Mν (μ, α, δ) ν k2 / 1 + k2 W ν (μ, α, δ), 636 The Exponential Integral Function and Functions Generated by It 6.211 • for k 2 close to 1: Rμ (k, α, δ) 2 α−δ δ−α−μ− 12 2k 1 − k2 = Γ(δ − α) Γ μ + α − δ + 12 Γ μ + 12 + μ+ 12 , × Γ δ − α − μ − 12 Γ(α) Γ δ − μ − 12 2k 2 Re μ + α − δ + 12 not an integer , + 1 = 2μ+ 2 k 2μ+1 Γ μ + 12 Γ(1 − α) × ∞ n=0 α−δ+μ−n+ 1 2 Γ (δ − α + n) Γ(1 − α + n) Γ α − δ + μ − n + 12 n! 2k 2 / 1 − k 2 α − δ + μ + 12 = m, with m a non-negative integer 6.2–6.3 The Exponential Integral Function and Functions Generated by It 6.21 The logarithm integral 1 li(x) dx = − ln 2 6.211 BI (79)(5) 0 6.212 1 1. li 0 1 2. 0 1 x li(x) 0 dx 1 = ln(1 − q) xq+1 q ∞ 4. li(x) 1 6.213 1 li 1. 0 ∞ 2. li 1 3. 1 li 0 4. 5. BI (255)(1) 1 li(x)xp−1 dx = − ln(p + 1) p 1 3. x dx = 0 ∞ dx 1 = − ln(q − 1) xq+1 q 1 x 1 x 1 x 1 x sin (a ln x) dx = π 1 a ln a − 2 1+a 2 sin (a ln x) dx = − cos (a ln x) dx = − 1 1 + a2 π + a ln a 2 π 1 ln a + a 1 + a2 2 π 1 ln a − a 2 1 + a 2 1 1 ln 1 + a2 dx = li(x) sin (a ln x) x 2a 0 li cos (a ln x) dx = [p > −1] BI (255)(2) [q < 1] BI (255)(3) [q > 1] BI (255)(4) [a > 0] BI (475)(1) [a > 0] BI (475)(9) [a > 0] BI (475)(2) [a > 0] BI (475)(10) [a > 0] BI(479)(1), ET I 98(20)a 6.216 The logarithm integral 1 6. li(x) cos (a ln x) arctan a dx =− x a li(x) sin (a ln x) dx 1 π = a ln a + x2 1 + a2 2 0 1 7. 0 ∞ 8. dx 1 = 2 x 1 + a2 li(x) sin (a ln x) 1 1 9. 0 ∞ 10. 1 1 p−1 11. π − a ln a 2 π dx 1 ln a + a =− 2 2 x 1+a 2 li(x) cos (a ln x) BI (479)(2) π dx 1 ln a − a = x2 1 + a2 2 li(x) cos (a ln x) li(x) sin (a ln x) x 0 1 dx = 2 a + p2 637 [a > 0] BI (479)(3) [a > 0] BI (479)(13) [a > 0] BI (479)(4) [a > 0] BI (479)(14) a a ln (1 + p)2 + a2 − p arctan 2 1+p [p > 0] 1 li(x) cos (a ln x) xp−1 dx = − 12. 0 6.214 1 1. li 0 1 x ∞ 2. li 1 6.215 1 1. 1 2. 6.216 1 0 2. 0 1 li(x) ln li(x) ln 1 x π √ arcsinh p = −2 p [p > 0] BI (477)(2) [0 < p < 1] BI (340)(1) [0 < p < 1] BI (340)(9) 1 x p−1 p−1 π √ ln p+ p+1 p [p > 0] BI (444)(3) [1 > p > 0] BI (444)(4) ax 1 = − Γ(p) x p [0 < p ≤ 1] BI (444)(1) dx π Γ(p) =− 2 x sin pπ [0 < p < 1] BI (444)(2) ln 1 x π Γ(p) sin pπ dx = −2 1 x xp+1 1. dx = − dx . li(x) 0 p−1 xp−1 ln p a + ln (1 + p)2 + a 1+p 2 dx = −π cot pπ · Γ(p) (ln x) li(x) . 0 1 x a arctan BI (477)(1) p−1 1 x ln 1 a2 + p2 2 = −2 π √ arcsin p p 638 The Exponential Integral Function and Functions Generated by It 6.221 6.22–6.23 The exponential integral function 6.221 6.222 1 − eαp α 0 ∞ 1 1 + Ei(−px) Ei(−qx) dx = p q 0 p Ei(αx) dx = p Ei(αp) + ∞ 6.223 0 NT 11(7) ln(p + q) − Γ(μ) Ei(−βx)xμ−1 dx = − μ μβ ln q ln p − p q [p > 0, q > 0] [Re β ≥ 0, FI II 653, NT 53(3) Re μ > 0] NT 55(7), ET I 325(10) 6.224 ∞ 1. Ei(−βx)e−μx dx = − 0 μ 1 ln 1 + μ β = −1/β [Re(β + μ) ≥ 0, μ > 0] [μ = 0] FI II 652, NT 48(8) ∞ 2. Ei(ax)e−μx dx = − 0 μ 1 ln −1 μ a [a > 0, Re μ > 0, μ > a] ET I 178(23)a, BI (283)(3) 6.225 ∞ 1. Ei −x 2 e −μx2 0 ∞ 2. 0 6.226 ∞ 1. 2 px2 π √ arcsin p Ei −x e dx = − p Ei − 0 ∞ 2. Ei 0 ∞ 3. 0 ∞ 4. 0 6.227 1. 0 ∞ π π √ √ arcsinh μ = − ln dx = − μ+ 1+μ μ μ 1 4x a2 4x Ei − e−μx dx = − 2 √ K 0 ( μ) μ 2 √ K 0 (a μ) μ π √ −μx2 Ei (− μ) dx = e μ e−μx dx = − 1 4x2 1 Ei − 2 4x e −μx2 + Ei(−x)e−μx x dx = [Re μ > 0] BI (283)(5), ET I 178(25)a [1 > p > 0] NT 59(9)a [Re μ > 0] MI 34 [a > 0, MI 34 Re μ > 0] [Re μ > 0] MI 34 1 π √ √ √ √ 2 4x dx = [cos μ ci μ − sin μ si μ] μ 1 1 − 2 ln(1 + μ) μ(μ + 1) μ [Re μ > 0] MI 34 [Re μ > 0] MI 34 6.241 The sine integral and cosine integral functions ∞ 2. 0 e−ax Ei(ax) eax Ei(−ax) − dx = 0 x−b x+b = π 2 e−ab [a > 0, b < 0] [a > 0, b > 0] 639 ET II 253(1)a 6.228 ∞ 1. Ei(−x)ex xν−1 dx = − 0 ∞ 2. π Γ(ν) sin νπ Ei(−βx)e−μx xν−1 dx = − 0 ∞ [0 < Re ν < 1] Γ(ν) μ 2 F 1 1, ν; ν + 1; ν(β + μ)ν β+μ [|arg β| < π, Re(β + μ) > 0, ET II 308(13) Re ν > 0] √ dx √ √ √ √ = 2 π (cos μ si μ − sin μ ci μ) 2 x 0 [Re μ > 0] ∞ −x −μx 1 [a < 1, Re μ > 0] Ei(−a) − Ei −e e dx = γ(μ, a) μ − ln a 6.229 6.231 Ei − 1 4x2 exp −μx2 + ET II 308(14) 1 4x2 MI 34 MI 34 6.232 ∞ 1. ln 1 + Ei(−ax) sin bx dx = − 0 ∞ 2. 0 6.233 ∞ 1. 2b b 1 Ei(−ax) cos bx dx = − arctan b a Ei(−x)e−μx sin βx dx = − 0 b2 a2 1 β 2 + μ2 [a > 0, b > 0] BI (473)(1)a [a > 0, b > 0] BI (473)(2)a β β ln (1 + μ)2 + β 2 − μ arctan 2 1+μ [Re μ > |Im β|] ∞ 2. Ei(−x)e−μx cos βx dx = − 0 β2 1 + μ2 μ β ln (1 + μ)2 + β 2 + β arctan 2 1+μ [Re μ > |Im β|] BI (473)(7)a BI (473)(8)a ∞ Ei(−x) ln x dx = C + 1 6.234 NT 56(10) 0 6.24–6.26 The sine integral and cosine integral functions 6.241 ∞ 1. si(px) si(qx) dx = π 2p [p ≥ q] BI II 653, NT 54(8) ci(px) ci(qx) dx = π 2p [p ≥ q] FI II 653, NT 54(7) 0 2. 0 ∞ 640 The Exponential Integral Function and Functions Generated by It ∞ 3. 0 p+q 1 ln si(px) ci(qx) dx = 4q p−q 1 = ln 2 q 2 2 2 p − q2 1 ln + 4p q4 6.242 [p = q] [p = q] FI II 653, NT 54(10, 12) ∞ 6.242 0 6.243 1 ci(ax) 2 2 dx = − [si(aβ)] + [ci(aβ)] β+x 2 2. 6.244 ∞ 1.8 2. x dx π = − ci(pq) q 2 − x2 2 [p > 0, q > 0] BI (255)(6) [p > 0, q > 0] BI (255)(7) [p > 0, q > 0] BI (255)(8) [a > 0, 0 < Re μ < 1] ∞ ci(px) 0 ∞ 1. q2 dx π Ei(−pq) = 2 +x 2q dx π si(pq) = q 2 − x2 2q si(ax)xμ−1 dx = − 0 ET II 253(2) si(px) 0 2. [a > 0] BI (255)(6) ci(px) 6.246 ET II 253(3) q > 0] ∞ 1. b > 0] [p > 0, 0 [a > 0, x dx π = Ei(−pq) q 2 + x2 2 ∞ 8 6.245 ET II 224(1) si(px) 0 |arg β| < π] ∞ si (a|x|) sign x dx = π ci (a|b|) −∞ x − b ∞ ci (a|x|) dx = −π sign b · si (a|b|) −∞ x − b 1. [a > 0, Γ(μ) μπ sin μ μa 2 NT 56(9), ET I 325(12)a ∞ 2. ci(ax)xμ−1 dx = − 0 Γ(μ) μπ cos μaμ 2 [a > 0, 0 < Re μ < 1] NT 56(8), ET I 325(13)a 6.247 ∞ μ 1 arctan μ β 0 . ∞ 1 μ2 −μx ci(βx)e dx = − ln 1 + 2 μ β 0 1. 2. 6.248 1. 8 si(βx)e−μx dx = − ∞ si(x)e 0 −μx2 π x dx = Φ 4μ 1 √ 2 μ [Re μ > 0] NT 49(12), ET I 177(18) [Re μ > 0] NT 49(11), ET I 178(19)a [Re μ > 0] MI 34 −1 6.253 The sine integral and cosine integral functions 2. 6.249 ∞ 1 π Ei − μ 4μ 0 ∞+ 2 π , −μx π si x + e S dx = 2 μ 0 ci(x)e 6.251 1. ∞ 0 6.252 1. ∞ 0 [Re μ > 0] μ2 4 1 − 2 2 + C 2 √ kei (2 μ) μ 1 x e−μx dx = ci 1 x e−μx dx = − ∞ 2. 1 dx = 4 si 0 −μx2 641 2 √ ker (2 μ) μ 2 ME 26 [Re μ > 0] MI 34 [Re μ > 0] MI 34 =0 1 − 2 [Re μ > 0] π 2p π =− 4p sin px si(qx) dx = − μ2 4 MI 34 p2 > q 2 p2 = q 2 p2 < q 2 FI II 652, NT 50(8) ∞ 2.6 cos px si(qx) dx = − 0 = 1 ln 4p 1 q p+q p−q 2 p2 = q 2 p = 0, [p = 0] FI II 652, NT 50(10) ∞ 3. sin px ci(qx) dx = − 0 1 ln 4p p2 −1 q2 2 =0 [p = 0] π 2p π =− 4p 0 cos px ci(qx) dx = − =0 6.253 0 FI II 652, NT 50(9) ∞ 4. p2 = q 2 p = 0, ∞ m m+1 p2 > q 2 p2 = q 2 p2 < q 2 FI II 654, NT 50(7) π r +r si(ax) sin bx dx = − 2 2 1 − 2r cos x + r 4b(1 − r) (1 −mr ) m+1 π 2 + 2r − r − r =− 4b(1 − r) (1 − r2 ) πrm+1 =− 2 2b(1 − r) (1 − r ) π 1 + r − rm+1 =− 2b(1 − r) (1 − r2 ) [b = a − m] [b = a + m] [a − m − 1 < b < a − m] [a + m < b < a + m + 1] ET I 97(10) 642 The Exponential Integral Function and Functions Generated by It 6.254 1.∗ ∞ 0 1 dx = ci(x) sin x L2 x 2 1 2 2 − L2 1 − 2 where L2 (x) is the Euler dilogarithm defined as L2 (z) = − 2.11 log(1 − t) dt and this in turn can t 0 be expressed as L2 (z) = Φ(z, 2, 1) in terms of the Lerch function defined in 9.550, with z real. ∞+ π a π, dx = ln H(a − b) si(ax) + cos bx · 2 x 2 b 0 [a > 0, b > 0, H(x) is the Heaviside step function] ET I 41(11) 6.255 1. ∞ [cos ax ci (a|x|) + sin (a|x|) si (a|x|)] −∞ z dx = −π [sign b cos ab si (a|b|) − sin ab ci (a|b|)] x−b [a > 0] ∞ 2. −∞ [sin ax ci (a|x|) − sign x cos ax si (a|x|)] 6.256 1. ∞ 0 ∞ 2 π si (x) + ci2 (x) cos ax dx = ln(1 + a) a 2 [si(x) cos x − ci(x) sin x] dx = 0 3.∗ ∞ si2 (x) cos(ax) dx = 0 4.∗ 6.257 ∞ 6.258 1. ∞ 0 2. 0 ET II 253(5) [a > 0] π 2 π log(1 + a) 2a π log(1 + a) 2a 0 ∞ √ π a sin bx dx = − J 0 2 ab si x 2b 0 ci2 (x) cos(ax) dx = ET II 253(4) dx = −π [sin (a|b|) si (a|b|) + cos ab ci (a|b|)] x−b [a > 0] 2.∗ 6.254 [0 ≤ a ≤ 2] [0 ≤ a ≤ 2] [b > 0] + π, dx si(ax) + sin bx 2 2 x + c2 π −bc e = [Ei(bc) − Ei(−ac)] + ebc [Ei(−ac) − Ei(−bc)] 4c π = e−bc [Ei(ac) − Ei(−ac)] 4c ET I 42(18) [0 < b ≤ a, c > 0] [0 < a ≤ b, c > 0] BI (460)(1) ∞ + π, x dx si(ax) + cos bx 2 2 x + c2 π −bc e =− [Ei(bc) − Ei(−ac)] + ebc [Ei(−bc) − Ei(−ac)] 4 π = e−bc [Ei(−ac) − Ei(ac)] 4 [0 < b ≤ a, c > 0] [0 < a ≤ b, c > 0] BI (460)(2, 5) 6.262 6.259 The sine integral and cosine integral functions ∞ si(ax) sin bx 1. 0 dx π Ei(−ac) sinh(bc) = x2 + c2 2c π = e−cb [Ei(−bc) + Ei(bc) − Ei(−ac) − Ei(ac)] 4c π + Ei(−bc) sinh(bc) 2c ci(ax) sin bx 0 ∞ ci(ax) cos bx 0 4.∗ x dx π = − sinh(bc) Ei(−ac) 2 +c 2 π π = − sinh(bc) Ei(−bc) + e−bc [Ei(−bc) + Ei(bc) 2 4 − Ei(−ac) − Ei(ac)] x2 dx x2 + c2 π cosh bc Ei(−ac) = 2c π −bc = e [Ei(ac) + Ei(−ac) − Ei(bc)] + ebc Ei(−bc) 4c 5.∗ [0 < a ≤ b, c > 0] [0 < b ≤ a, c > 0] [0 < a ≤ b, c > 0] [0 < b ≤ a, c > 0] [0 < a ≤ b, c > 0] BI (460)(4), ET I 41(15) ∞ [ci(x) sin x − Si(x) cos x] sin x 0 c > 0] BI (460)(3)a, ET I 97(15)a 3. [0 < b ≤ a, ET I 96(8) ∞ 2. 643 2 x dx 1 Ei(a)e−a − Ei(−a)ea = 2 +x 8 a2 [a real] ∞ [ci(x) sin x − Si(x) cos x] 2 0 2 π x dx π 3 e−|a| sinh(a) − Ei(a)e−a − Ei(−a)ea = 2 +x 8a 8|a| a2 [a real] 6.261 ∞ 1. −px si(bx) cos axe 0 a p2 + (a + b)2 1 2bp ln dx = − + p arctan 2 2 (a2 + p2 ) 2 p2 + (a − b)2 b − a2 − p2 [a > 0, ∞ 2. si(βx) cos axe−μx dx = − 0 1. ∞ −μx ci(bx) sin axe 0 p > 0] ET I 40(8) Re μ > |Im β|] ET I 40(9) μ − ai μ + ai arctan β β − 2(μ + ai) 2(μ − ai) arctan [a > 0, 6.262 b > 0, 1 dx = 2 2 (a + μ2 ) 2 2 μ + b2 − a2 + 4a2 μ2 2aμ a μ arctan 2 − ln μ + b 2 − a2 2 b4 [a > 0, b > 0, Re μ > 0] ET I 98(16)a 644 The Exponential Integral Function and Functions Generated by It ∞ 2. ci(bx) cos axe−px dx = 0 3. ⎧ ⎨p −1 ln 2 (a2 + p2 ) ⎩ 2 , + 2 b2 + p2 − a2 + 4a2 p2 b4 [a > 0, b > 0, 2 (μ − ai)2 (μ + ai) ∞ ln 1 + − ln 1 + β2 β2 − ci(βx) cos axe−μx dx = 4(μ + ai) 4(μ − ai) 0 [a > 0, 6.263 ⎫ ⎬ + a arctan 2ap b2 + p2 − a2 ⎭ Re p > 0] Re μ > |Im β|] ET I 41(16) ET I 41(17) 6.263 π − μ ln μ [ci(x) cos x + si(x) sin x] e dx = 2 1 + μ2 0 π ∞ − μ + ln μ −μx [si(x) cos x − ci(x) sin x] e dx = 2 1 + μ2 0 ∞ ln 1 + μ2 [sin x − x ci(x)] e−μx dx = 2μ2 0 1. 2. 3. 6.264 ∞ −μx − [Re μ > 0] ME 26a, ET I 178(21)a [Re μ > 0] ME 26a, ET I 178(20)a [Re μ > 0] ME 26 ∞ si(x) ln x dx = C + 1 1. NT 46(10) 0 ∞ 2. ci(x) ln x dx = 0 π 2 NT 56(11) 6.27 The hyperbolic sine integral and hyperbolic cosine integral functions 6.271 ∞ μ+1 1 1 ln = arccoth μ 2μ μ − 1 μ 0 ∞ 1 ln μ2 − 1 2.11 chi(x)e−μx dx = − 2μ 0 ∞ 2 1 1 π Ei 6.27211 chi(x)e−px dx = 4 p 4p 0 6.273 ∞ ln μ [cosh x shi(x) − sinh x chi(x)] e−μx dx = 2 1.11 μ −1 0 ∞ μ ln μ 2.11 [cosh x chi(x) + sinh x shi(x)] e−μx dx = 1 − μ2 0 1. shi(x)e−μx dx = [Re μ > 1] MI 34 [Re μ > 1] MI 34 [p > 0] MI 35 [Re μ > 0] MI 35 [Re μ > 2] MI 35 6.284 The probability integral ∞ 11 6.274 [cosh x shi(x) − sinh x chi(x)] e −μx2 0 1 π 4μ 1 e Ei − μ 4μ [Re μ > 0] MI 35 ln μ2 − 1 −μx [x chi(x) − sinh x] e dx = − [Re μ > 1] 2μ2 0 ∞ 2 1 1 π 1 [cosh x chi(x) + sinh x shi(x)] e−μx x dx = exp Ei − 3 8 μ 4μ 4μ 0 [Re μ > 0] 6.275 6.276 6.277 1 dx = 4 645 ∞ ∞ 1. [chi(x) + ci(x)] e −μx 0 ∞ 2. ln μ4 − 1 dx = − 2μ [chi(x) − ci(x)] e−μx dx = 0 μ2 + 1 1 ln 2 2μ μ − 1 MI 35 MI 35 [Re μ > 1] MI 34 [Re μ > 1] MI 35 6.28–6.31 The probability integral 6.281 1. ∞ 6 [1 − Φ(px)] x 2q−1 0 Γ q + 12 √ dx = 2 πqp2q [Re q > 0, Re p > 0] NT 56(12), ET II 306(1)a ∞ 2.6 0 b 2b 1 − Φ atα ± α dt = √ t π b a 1−α 2α + , K 1+α (2ab) ± K 1−α (2ab) e±2ab 2α 2α [a > 0, 6.282 ∞ 1. Φ(qt)e−pt dt = 0 ∞ 2. 0 1 Φ x+ 2 1 1−Φ p 1 2 −Φ p 2q exp p2 4q 2 b > 0, + Re p > 0, α = 0] |arg q| < π, 4 MO 175, EH II 148(11) e−μx+ 4 1 (μ + 1)2 1 exp dx = 1−Φ (μ + 1)(μ + 2) 4 μ+1 2 ME 27 6.283 1. 2. √ √ α 1 √ eβx 1 − Φ αx dx = −1 β α−β 0 ∞ √ √ −pt q 1 √ Φ qt e dt = p p +q 0 ∞ [Re α > 0, Re β < Re α] [Re p > 0, Re(q + p) > 0] ET II 307(5) EH II 148(12) ∞ 6.284 0 1−Φ q √ 2 x e−px dx = 1 −q√p e p + Re p > 0, |arg q| < π, 4 EF 147(235), EH II 148(13) 646 6.285 The Exponential Integral Function and Functions Generated by It ∞ 1. [1 − Φ(x)] e−μ 2 x2 dx = 0 ∞ 2. Φ(iat)e−a t −st 2 2 dt = 0 arctan μ √ πμ −1 √ exp 2ai π 6.285 [Re μ > 0] s2 4a2 Ei − s2 4a2 + Re s > 0, MI 37 |arg a| < π, 4 EH II 148(14)a 6.286 ∞ 1. Γ 2 [1 − Φ(βx)] eμ 2 x xν−1 dx = 0 ∞ % √ 1−Φ 2. 0 2x 2 ν+1 2 √ πνβ ν 2F 1 ν ν+1 ν μ2 , ; + 1; 2 2 2 2 β Re2 β > Re μ2 , Re ν > 0 ET II 306(2) & e x2 2 xν−1 dx = 2 2 −1 sec ν ν νπ Γ 2 2 [0 < Re ν < 1] 6.287 ∞ 1. Φ(βx)e−μx x dx = 2 0 ∞ 2. β 2μ μ + β 2 [1 − Φ(βx)] e−μx x dx = 2 0 1 2μ β 1− μ + β2 Re μ > − Re β 2 , ET I 325(9) Re μ > 0 ME 27a, ET I 176(4) Re μ > − Re β 2 , Re μ > 0 NT 49(14), ET I 177(9) 1 r 1 A B r Q(rA) Q(rB) dr = − 3.∗ I= exp α arctan + β arctan B=A 2 σ2 4 2π αB βA −∞ σ 1 1 1 B=A = − α arctan 4 π α ∞ 2 x σ 2 A2 σ2 B 2 1 1 Q(x) = √ , α= e−t /2 dt = , β= , 1 − erf √ 2 2 2 1+σ A 1 + σ2 B 2 2π x 2 ∞ 2 ai 6.288 a > 0, Re μ > Re a2 Φ(iax)e−μx x dx = MI 37a 2 2μ μ − a 0 6.289 ∞ + 2 2 2 β π, 2 2 Re 1. Φ(βx)e(β −μ )x x dx = μ > Re β , |arg μ| < 2μ (μ2 − β 2 ) 4 0 2. 0 ∞ ET I 176(5) ∞ [1 − Φ(βx)] e(β 2 −μ2 )x2 x dx = 1 2μ(μ + β) + Re2 μ > Re β 2 , arg μ < π, 4 ET I 177(10) 6.297 The probability integral ∞ 3. √ 2 Φ b − ax e−(a+μ)x x dx = 0 6.291 6.292 ∞ ∞ Φ(x)e−μx 2 0 ∞ 1. 1−Φ 0 ∞ 2. 1−Φ 0 ∞ b > a] ME 27 −(μx+x2 ) |arg μ| < 6.293 6.295 [Re μ > −a > 0, μ μ2 i 1 + Ei − x dx = √ Φ(ix)e [Re μ > 0] 4 4 π μ 0 ∞ 2 2 arctan μ 1 1 [1 − Φ(x)] e−μ x x2 dx = √ − μ3 μ2 (μ2++ 1) 2 π 0 6.294 √ b−a √ 2(μ + a) μ + b 647 1−Φ β x 1 x 1 x √ dx μ+1+1 1 = ln √ = arccoth μ + 1 x 2 μ+1−1 [Re μ > 0] e−μ 2 x2 x dx = 1 exp(−2βμ) 2μ2 MI 37 π, 4 MI 37 MI 37a + π |arg β| < , 4 |arg μ| < π, 4 ET I 177(11) e−μ 2 x2 dx = − Ei(−2μ) x + π, |arg μ| < 4 MI 37 1 x2 1 dx = √ [sin 2μ ci(2μ) − cos 2μ si(2μ)] πμ 0 + π, |arg μ| < 4 ∞ 1 1 1 π [H1 (2μ) − Y 1 (2μ)] − 2 2. 1−Φ exp −μ2 x2 + 2 x dx = x x 2μ μ 0 + π, |arg μ| < 4 ∞ 1 dx π 1 = [H0 (2μ) − Y 0 (2μ)] 3. 1−Φ exp −μ2 x2 + 2 x x x 2 0 + π, |arg μ| < 4 ∞ 2 2 2 a2 2 a 1 −aμ√2 ax · e− 2x2 e−μ x x dx = 6.296 e x + a2 1 − Φ √ − π 2μ4 2x 0 , + π |arg μ| < , a > 0 4 6.297 ∞ 2 2 1 β √ exp [−2 (βγ + β μ)] 1. 1 − Φ γx + e(γ −μ)x x dx = √ √ x 2 μ μ+γ 0 1. 2. 0 ∞ 1−Φ exp −μ2 x2 + 2 b + 2ax 2x [Re β > 0, exp − μ2 − a2 x2 + ab x dx = Re μ > 0] MI 37 MI 37 MI 37 MI 38a ET I 177(12)a −bμ e 2μ(μ + a) [a > 0, b > 0, Re μ > 0] MI 38 648 The Exponential Integral Function and Functions Generated by It 1−Φ ∞ 3. 0 b − 2ax2 2x e −ab + 1−Φ b + 2ax2 2x e ab e−μx x dx = 2 6.298 1 exp −b a2 + μ μ MI 38 [a > 0, b > 0, Re μ > 0] ∞ 2 2 b − 2ax2 b + 2ax2 1 √ exp (−b μ) 2 cosh ab − e−ab Φ − eab Φ e−(μ−a )x x dx = 2 2x 2x μ − a 0 MI 38 [a > 0, b > 0, Re μ > 0] ∞ + , 1 2 exp 12 a2 K ν a2 cosh(2νt) exp (a cosh t) [1 − Φ (a cosh t)] dt = 2 cos(νπ) 0 Re a > 0, − 12 < Re ν < 12 6.298 6.299 ET II 308(10) ∞ b2 1 [1 − Φ(ax)] sin bx dx = [a > 0, b > 0] 1 − e− 4a2 b 0 √ √ ∞ b + a2 + a 2b a 2b 1 2 √ + 2 arctan ln Φ(ax) sin bx dx = √ b − a2 4 2πb b + a2 − a 2b 0 [a > 0, b > 0] 6.311 6.312 6.313 α ⎞ 12 ,− 12 + 1 √ 1 α2 + β 2 2 − α sin(βx) 1 − Φ αx dx = − ⎝ 2 2 2 ⎠ β α +β ∞ ⎛ √ cos(βx) 1 − Φ αx dx = ⎝ 0 [Re α > |Im β|] 2. 0 ∞ 1. sin(bx) 1 − Φ 0 a x ET II 307(6) α ⎞ + ,− 12 1 2 2 2 2 ⎠ α + β + α α2 + β 2 1 2 [Re α > |Im β|] 6.314 ET I 96(3) ⎛ ∞ 1. ET I 96(4) ET II 307(7) , + , + 1 1 dx = b−1 exp −(2ab) 2 cos (2ab) 2 [Re a > 0, b > 0] ∞ + , + , 1 1 a cos(bx) 1 − Φ dx = −b−1 exp −(2ab) 2 sin (2ab) 2 x 0 ET II 307(8) 2. [Re a > 0, 6.315 ∞ 1. ν−1 x 0 2. 0 ∞ Γ 1 + 12 ν β sin(βx) [1 − Φ(αx)] dx = √ 2F 2 π(ν + 1)αν+1 1 xν−1 cos(βx) [1 − Φ(αx)] dx = Γ 2 + 12 ν √ πναν 2F 2 ET II 307(9) ν+1 ν 3 ν+3 β2 , + 1; , ;− 2 2 2 2 2 4α [Re α > 0, b > 0] Re ν > −1] ET II 307(3) ν ν+1 1 ν β2 , ; , + 1; − 2 2 2 2 2 4α [Re α > 0, Re ν > 0] ET II 307(4) 6.323 Fresnel integrals ∞ 3. 0 ∞ 4. 1 b2 [1 − Φ(ax)] cos bx · x dx = 2 exp − 2 2a 4a [Φ(ax) − Φ(bx)] cos px 0 ∞ 5. 0 6.316 1 dx p = Ei − 2 x 2 4b √ 1 1 x− 2 Φ a x sin bx dx = √ 2 2πb ∞ 1 2 x 2 e 1−Φ x √ 2 0 2 1 b2 − 2 1 − exp − 2 b 4a − Ei [a > 0, p2 4a2 b > 0] ET I 40(5) [a > 0, b > 0, p > 0] & % √ & √ b + a 2b + a2 a 2b √ ln + 2 arctan 2 b − a2 b − a 2b + a % 649 sin bx dx = π b2 e2 2 1−Φ [a > 0, b √ 2 [b > 0] b > 0] ET I 96(3) ET I 96(5) √ i π − b22 e 4a e−a x Φ(iax) sin bx dx = [b > 0] a 2 0 ∞ 2 2 2 1 − e−p − √ (1 − Φ(p)) [1 − Φ(x)] si(2px) dx = πp π 0 [p > 0] 6.3176 6.318 ∞ 2 ET I 40(6) 2 ET I 96(2) NT 61(13)a 6.32 Fresnel integrals 6.321 ∞ 1. 0 ∞ 2. 0 6.322 ∞ 1. 1 − S (px) x2q−1 dx = 2 1 − C (px) x2q−1 dx = 2 S (t)e−pt dt = 1 p C (t)e−pt dt = 1 p 0 ∞ 2. 0 √ 2q + 1 π 2 Γ q + 12 sin 4 √ 2q 4 πqp √ 2q + 1 π 2 Γ q + 12 cos 4 √ 2q 4 πqp p2 1 −C 4 2 p2 1 −S cos 4 2 cos 0 < Re q < 32 , p>0 0 < Re q < 32 , p>0 p p2 1 −S 4 2 2 2 p p p 1 −C − sin 2 4 2 2 p 2 NT 56(14)a NT 56(13)a + sin MO 173a MO 172a 6.323 1. 0 ∞ √ S t e−pt dx = p2 + 1 − p 2p p2 + 1 1 2 EF 122(58)a 650 The Gamma Function and Functions Generated by It ∞ 2. √ C t e−pt dt = 0 6.324 1. 2. 6.325 p2 + 1 + p 2p p2 + 1 1 2 EF 122(58)a 1 1 + sin p2 − cos p2 − S (x) sin 2px dx = 2 4p 0 ∞ 1 1 − sin p2 − cos p2 − C (x) sin 2px dx = 2 4p 0 ∞ ∞ 1. 0 ∞ 2. 6.324 √ π −5 2 2 S (x) sin b x dx = b =0 [p > 0] NT 61(11)a 0 < b2 < 1 2 b >1 ET I 98(21)a √ 0 NT 61(12)a 2 2 C (x) cos b2 x2 dx = [p > 0] π −5 2 2 b 0 < b2 < 1 2 b >1 =0 ET I 42(22) 6.326 ∞ ∞ 1. 0 2. 0 1 π − S (x) si(2px) dx = 2 8 1 π − C (x) si(2px) dx = 2 8 1/2 (S (p) + C (p) − 1) − 1 + sin p2 − cos p2 4p [p > 0] 1/2 (S (p) − C (p)) − NT 61(15)a 1 − sin p − cos p 4p 2 2 [p > 0] NT 61(14)a 6.4 The Gamma Function and Functions Generated by It 6.41 The gamma function ∞ 11 6.411 −∞ Γ(α + x) Γ(β − x) dx = −iπ21−α−β Γ(α + β) [Re(α + β) < 1 and either Im α < 0 < Im β or Im β < 0 < Im α ] ET II 297(1) = iπ2 1−α−β Γ(α + β) [Re(α + β) < 1, Im α < 0, Im β < 0] ET II 297(2) =0 [Re(α + β) < 1, Im α > 0, Im β > 0] ET II 297(3) 6.415 The gamma function i∞ 6.412 −i∞ Γ(α + s) Γ(β + s) Γ(γ − s) Γ(δ − s) ds = 2πi 651 Γ(α + γ) Γ(α + δ) Γ(β + γ) Γ(β + δ) Γ(α + β + γ + δ) [Re α, Re β, Re γ, Re δ > 0] ET II 302(32) 6.413 ∞ 1. √ 2 |Γ(a + ix) Γ(b + ix)| dx = 0 2. √ !2 1 1 ! Γ b − a − π Γ(a) Γ a + Γ(a + ix) 2 2 ! ! ! Γ(b + ix) ! dx = 2 Γ(b) Γ b − 12 Γ(b − a) 1. 2. 3. 5. 6. 0<a<b− [Im α = 0, 1 2 ET II 302(28) ET II 297(4) ∞ α+β−2 ET II 297(5) ET II 299(18) ∞ ±2π 2 i Γ(α + β − γ − δ − 1) Γ(γ + x) Γ(δ + x) dx = sin[π(γ − δ)] Γ(α − γ) Γ(α − δ) Γ(β − γ) Γ(β − δ) −∞ Γ(α + x) Γ(β + x) [Re(α + β − γ − δ) > 1, Im γ < 0, Im δ < 0. In the numerator, we take the plus sign if Im γ > Im δ and the minus sign if Im γ < Im δ.] ET II 300(19) 1 ∞ π exp ± 2 π(δ − γ)i Γ(α − β − γ + x + 1) dx = Γ(β + γ − 1) Γ 12 (α + β) Γ 12 (γ − δ + 1) −∞ Γ(α + x) Γ(β − x) Γ(γ + x) [Re(β + γ) > 1, δ = α − β − γ + 1, Im δ = 0. The sign is plus in the argument if the ET II 300(20) exponential for Im δ > 0 and minus for Im δ < 0.] ∞ Γ(α + β + γ + δ − 3) dx = Γ(α + x) Γ(β − x) Γ(γ + x) Γ(δ − x) Γ(α + β − 1) Γ(β + γ − 1) Γ(γ + δ − 1) Γ(δ + α − 1) −∞ [Re(α + β + γ + δ) > 3] 6.415 ET II 302(27) Re(α − β) < −1] 2 dx = [Re(α + β) > 1] Γ(α + x) Γ(β − x) Γ(α + β − 1) −∞ ∞ Γ(γ + x) Γ(δ + x) dx = 0 Γ(α + x) Γ(β + x) −∞ [Re(α + β − γ − δ) > 1, Im γ, Im δ > 0] 4. b > 0] ∞ Γ(α + x) dx = 0 −∞ Γ(β + x) [a > 0, ∞ !! 0 6.414 π Γ(a) Γ a + 12 Γ(b) Γ b + 12 Γ(a + b) 2 Γ a + b + 12 −∞ 1. −∞ R(x) dx Γ(α + x) Γ(β − x) Γ(γ + x) Γ(δ − x) ET II 300(21) 1 Γ(α + β + γ + δ − 3) R(t) dt = Γ(α + β − 1) Γ(β + γ − 1) Γ(γ + δ − 1) Γ(δ + α − 1) 0 [Re(α + β + γ + δ) > 3, R(x + 1) = R(x)] ET II 301(24) 652 The Gamma Function and Functions Generated by It 2. R(x) dx = Γ(α + x) Γ(β − x) Γ(γ + x) Γ(δ − x) −∞ [α + δ = β + γ, 1 R(t) cos ∞ 0 1 2 π(2t 6.421 + α − β) dt α+β γ+δ Γ Γ(α + δ − 1) 2 2 Re(α + β + γ + δ) > 2, R(x + 1) = −R(x)] Γ ET II 301(25) 6.42 Combinations of the gamma function, the exponential, and powers 6.421 ∞ 1. −∞ Γ(α + x) Γ(β − x) exp [2(πn + θ)xi] dx = 2πi Γ(α + β)(2 cos θ)−α−β exp[(β − α)iθ] % Re(α + β) < 1, 2. 3. 4. 6.422 − π π <θ< , 2 2 × [ηn (β) exp(2nπβi) − ηn (−α) exp(−2nπαi)] & 0 if 12 − n Im ξ > 0 n an integer, ηn (ξ) = sign 12 − n if 12 − n Im ξ < 0 ET II 298(7) ∞ eπicx dx =0 −∞ Γ(α + x) Γ(β − x) Γ(γ + kx) Γ(δ − kx) [Re(α + β + γ + δ) > 2, c and k are real, ∞ i∞ |c| > |k| + 1] ET II 301(26) Γ(α + x) exp[(2πn + π − 2θ)xi] dx −∞ Γ(β + x) (2 cos θ)β−α−1 = 2πi sign n + 12 exp[−(2πn + π − θ)αi + θi(β − 1)] Γ(β − α) + , π π Re(β − α) > 0, − < θ < , n is an integer, n + 12 Im α < 0 ET II 298(8) 2 2 ∞ Γ(α + x) exp[(2πn + π − 2θ)xi] dx = 0 −∞ Γ(β + x) + , π π Re(β − α) > 0, − < θ < , n is an integer, n + 12 Im α > 0 ET II 297(6) 2 2 1. −i∞ Γ(s − k − λ) Γ λ + μ − s + 12 Γ λ − μ − s + 12 z s ds Re(k + λ) < 0, 1 z − k − μ Γ 12 − k + μ z λ e 2 W k,μ (z) Re λ > |Re μ| − 12 , |arg z| < 32 π ET II 302(29) = 2πi Γ 2 γ+i∞ 2. γ−i∞ Γ(α + s) Γ(−s) Γ(1 − c − s)xs ds = 2πi Γ(α) Γ(α − c + 1)Ψ(α, c; x) − Re α < γ < min (0, 1 − Re c) , − 32 π < arg x < 32 π EH I 256(5) 6.422 The gamma function, the exponential, and powers γ+i∞ 3. Γ(−s) Γ(β + s)ts ds = 2πi Γ(β)(1 + t)−β 653 [0 > γ > Re(1 − β), |arg t| < π] γ−i∞ EH I 256, BU 75 ∞i 4. t−p 2 Γ −∞i i∞ 5. Γ(s) Γ −i∞ 6. 2ν + 1 4 √ 2 t−p−2 − s Γ 12 ν − 1 2 z t dt = 2πie 4 z Γ(−p) D p (z) |arg z| < 34 π, p is not a positive integer 1 4 −s z2 2 WH s ds 1 1 1 3 2 = 2πi · 2 4 − 2 ν z − 2 e 4 z Γ 12 ν + 14 Γ 12 ν − 14 D ν (z) |arg z| < 34 π, ν = 12 , − 12 , − 32 , . . . EH II 120 c+i∞ 3 c−i∞ 1 Γ(−t) 1 −s 1 −1 Γ 2 ν + 12 s Γ 1 + 12 ν − 12 s ds = 4πi J ν (x) 2x [x > 0, − Re ν < c < 1] −c+i∞ 7. −c−i∞ ν+2s 1 Γ(−ν − s) Γ(−s) − 12 iz ds = −2π 2 e 2 iνπ H (1) ν (z) + π |arg(−iz)| < , 2 EH II 21(34) , 0 < Re ν < c EH II 83(34) −c+i∞ 8. −c−i∞ Γ(−ν − s) Γ(−s) 1 ν+2s 1 ds = 2π 2 e− 2 iνπ H (2) ν (z) 2 iz + π |arg(iz)| < , 2 , 0 < Re ν < c EH II 83(35) 9. 10. 1 ν+2s i∞ x ds = 2πi J ν (x) Γ(−s) 2 [x > 0, Re ν > 0] EH II 83(36) Γ(ν + s + 1) −i∞ i∞ 5 Γ(−s) Γ(−2ν − s) Γ ν + s + 12 (−2iz)s ds = −π 2 e−i(z−νπ) sec(νπ)(2z)−ν H (1) ν (z) −i∞ |arg(−iz)| < 32 π, 2ν = ±1, ±3 . . . EH II 83(37) 11. 5 Γ(−s) Γ(−2ν − s) Γ ν + s + 12 (2iz)s ds = π 2 ei(z−νπ) sec(νπ)(2z)−ν H (2) ν (z) −i∞ |arg(iz)| < 32 π, 2ν = ±1, i∞ ±3 . . . EH II 84(38) i∞ 12. Γ(s) Γ −i∞ 1 2 3 3 1 − s − ν Γ 12 − s + ν (2z)s ds = 2 2 π 2 iz 2 ez sec(νπ) K ν (z) |arg z| < 32 π, 2ν = ±1, ±3, . . . EH II 84(39) − 12 +i∞ 13. − 12 −i∞ Γ(−s) 2s x ds = 4π s Γ(1 + s) ∞ 2x J 0 (t) dt t [x > 0] MO 41 654 The Gamma Function and Functions Generated by It 14. 6.423 i∞ Γ(α + s) Γ(β + s) Γ(−s) Γ(α) Γ(β) (−z)s ds = 2πi F (α, β; γ; z) Γ(γ + s) Γ(γ) −i∞ [For arg(−z) < π, the path of integration must separate the poles of the integrand at the points s = 0, 1, 2, 3, . . . from the poles s = −α − n and s = −β − n (for n = 0, 1, 2, . . . ).] 15. 16. δ+i∞ Γ(α + s) Γ(−s) 2πi Γ(α) (−z)s ds = 1 F 1 (α; γ; z) Γ(γ + s) Γ(γ) δ−i∞ + π , π − < arg(−z) < , 0 > δ > − Re α, γ = 0, 1, 2, . . . 2 2 & % 2 i∞ + , Γ 12 − s 1 1 1 z s ds = 2πiz 2 2π −1 K 0 4z 4 − Y 0 4z 4 Γ(s) −i∞ EH I 62(15), EH I 256(4) [z > 0] i∞ Γ λ + μ − s + 12 Γ λ − μ − s + 12 s z z ds = 2πiz λ e− 2 W k,μ (z) Γ(λ − k − s + 1) −i∞ + ET II 303(33) 17. Re λ > |Re μ| − 12 , 18. Γ(k − λ + s) Γ λ + μ − s + Γ μ − λ + s + 12 + −i∞ i∞ 1 2 z s ds = 2πi Re(k − λ) > 0, m - i∞ 19. −i∞ j=1 q j=m+1 Γ (bj − s) n - Γ (1 − aj + s) j=1 Γ (1 − bj + s) p j=n+1 Γ (aj − s) |arg z| < ET II 302(30) 1 Γ k + μ + 2 λ −z z e 2 M k,μ (z) Γ(2μ + 1) Re(λ + μ) > − 12 , π, 2 |arg z| < π, 2 ET II 302(31) ! ! a1 , . . . , ap ! z z s ds = 2πi G pq mn ! b1 , . . . , bq p + q < 2(m + n); Re ak < 1, |arg z| < m + n − 12 p − 12 q π; k = 1, . . . , n; Re bj > 0, j = 1, . . . , m ET II 303(34) 6.423 ∞ 1. e−αx 0 2. 3. ∞ dx = ν e−α Γ(1 + x) dx = eβα ν e−α , β Γ(x + β + 1) 0 ∞ xm dx = μ e−α , m Γ(m + 1) e−αx Γ(x + 1) 0 MI 39, EH III 222(16) e−αx MI 39, EH III 222(16) [Re m > −1] MI 39, EH III 222(17) 6.433 Gamma functions and trigonometric functions 4. 6.424 ∞ 655 xm dx = enα μ e−α , m, n Γ(m + 1) MI 39, EH III 222(17) Γ(x + n + 1) 0 α+β−2 θ 1 ∞ 2 cos 1 R(x) exp[(2πn + θ)xi] dx 2 = exp θ(β − α)i R(t) exp(2πnti) dt Γ(α + x) Γ(β − x) Γ(α + β − 1) 2 −∞ 0 [Re(α + β) > 1, −π < θ < π, n is an integer, R(x + 1) = R(x)] ET II 299(16) e−αx 6.43 Combinations of the gamma function and trigonometric functions 6.431 −∞ 1. −∞ sin rx dx = Γ(p + x) Γ(q − x) 2 cos r p+q−2 r(q − p) sin 2 2 Γ(p + q − 1) =0 [|r| > π] [r is real; r p+q−2 r(q − p) 2 cos cos cos rx dx 2 2 = Γ(p + q − 1) −∞ Γ(p + x) Γ(q − x) 2. [|r| < π] Re(p + q) > 1] = [m is an even integer] α+β−2 2 Γ(α + β − 1) [m is an odd integer] [Re(α + β) > 1] 6.433 1. 2. ∞ sin πx dx = Γ(α + x) Γ(β − x) Γ(γ + x) Γ(δ − x) −∞ MO 10a, ET II 299(13, 14) ∞ dx sin(mπx) =0 sin(πx) Γ(α + x) Γ(β − x) −∞ MO 10a, ET II 298(9, 10) [|r| > π] [r is real; 6.432 Re(p + q) > 1] ∞ =0 [|r| < π] ∞ sin +π ET II 298(11, 12) , (β − α) 2 α+β γ+δ 2Γ Γ Γ(α + δ − 1) 2 2 [α + δ = β + γ, Re(α + β + γ + δ) > 2] cos πx dx = Γ(α + x) Γ(β − x) Γ(γ + x) Γ(δ − x) −∞ cos +π ET II 300(22) , (β − α) 2 α+β γ+δ 2Γ Γ Γ(α + δ − 1) 2 2 [α + δ = β + γ, Re(α + β + γ + δ) > 2] ET II 301(23) 656 The Gamma Function and Functions Generated by It 6.441 6.44 The logarithm of the gamma function∗ 6.441 p+1 1. ln Γ(x) dx = p 1 2. 1 ln 2π + p ln p − p 2 1 ln Γ(1 − x) dx = ln Γ(x) dx = 0 0 1 3. ln Γ(x + q) dx = 0 z FI II 784 1 ln 2π 2 1 ln 2π + q ln q − q 2 FI II 783 [q ≥ 0] NH 89(17), ET II 304(40) z(z + 1) z ln 2π − + z ln Γ(z + 1) − ln G(z + 1), 2 2 ∞ z z z(z + 1) Cz 2 where G(z + 1) = (2π) 2 exp − 1+ − 2 2 k 4. ln Γ(x + 1) dx = 0 k k=1 n 5. ln Γ(α + x) dx = 0 n−1 k=0 1 6.442 [a > 0; WH n = 1, 2, . . .] ET II 304(41) exp(2πnxi) ln Γ(a + x) dx = (2πni)−1 [ln a − exp(−2πnai) Ei(2πnai)] 0 6.443 1 1 (a + k) ln(a + k) − na + n ln(2π) − n(n − 1) 2 2 [a ≥ 0; z2 exp −z + 2k n = ±1, ±2, . . .] ET II 304(38) 1 1 [ln(2πn) + C] NH 203(5), ET II 304(42) 2πn 0 1 1 1 1 π 1 + 2 1 + + ··· + ln Γ(x) sin(2n + 1)πx dx = ln + (2n + 1)π 2 3 2n − 1 2n + 1 0 1. ln Γ(x) sin 2πnx dx = 2. ET II 305(43) 1 3. ln Γ(x) cos 2πnx dx = 0 4. 1 8 0 1 5. 1 4n 2 ln Γ(x) cos(2n + 1)πx dx = 2 π NH 203(6), ET II 305(44) % ∞ ln k 1 (C + ln 2π) + 2 2 2 (2n + 1) 4k − (2n + 1)2 & NH 203(6) k=2 sin(2πnx) ln Γ(a + x) dx = −(2πn)−1 [ln a + cos(2πna) ci(2πna) − sin(2πna) si(2πna)] 0 [a > 0; 6. 1 n = 1, 2, . . .] ET II 304(36) cos(2πnx) ln Γ(a + x) dx = −(2πn)−1 [sin(2πna) ci(2πna) + cos(2πna) si(2πna)] 0 [a > 0; n = 1, 2, . . .] ET II 304(37) ∗ Here, we are violating our usual order of presentation of the formulas in order to make it easier to examine the integrals involving the gamma function. 6.457 The incomplete gamma function 657 6.45 The incomplete gamma function 6.451 1. 2. 6.452 ∞ 1 Γ(β)(1 + α)−β α 0 ∞ 1 1 e−αx Γ(β, x) dx = Γ(β) 1 − α (α + 1)β 0 ∞ 1. e−αx γ(β, x) dx = e−μx γ ν, 0 x2 8a2 dx = [β > 0] MI 39 [β > 0] MI 39 2 1 −ν−1 2 Γ(2ν)e(aμ) D −2ν (2aμ) μ |arg a| < π , 4 1 Re ν > − , 2 Re μ > 0 ET I 179(36) ∞ 2. e−μx γ 0 ∞ 1 x2 , 4 8a2 √ 2 2 a dx = √ e(aμ) K 14 a2 μ2 μ 3 4 1 1 a √ dx = 2a 2 ν μ 2 ν−1 K ν (2 μa) x 0 ∞ √ 1 1 e−βx γ ν, α x dx = 2− 2 ν αν β − 2 ν−1 Γ(ν) exp 6.453 6.454 e−μx Γ ν, 0 + π |arg a| < , 4 , Re μ > 0 + , π |arg a| < , Re μ > 0 2 α2 α D −ν √ 8β 2β [Re β > 0, Re ν > 0] ET I 179(35) ET I 179(32) ET II 309(19), MI 39a 6.455 ∞ 1. xμ−1 e−βx Γ(ν, αx) dx = 0 ∞ 2. xμ−1 e−βx γ(ν, αx) dx = 0 6.456 ∞ 1. ∞ 2. 1. 2. αν Γ(μ + ν) α 2 F 1 1, μ + ν; ν + 1; μ+ν ν(α + β) α+β [Re(α + β) > 0, Re β > 0, Re(μ + ν) > 0] ET II 308(15) 1 4x dx = e−αx (4x)ν− 2 Γ ν, 1 4x dx = 1 1 0 6.457 ET II 309(16) e−αx (4x)ν− 2 γ ν, 0 αν Γ(μ + ν) β 2 F 1 1, μ + ν; μ + 1; μ+ν μ(α + β) α+β [Re(α + β) > 0, Re μ > 0, Re(μ + ν) > 0] √ √ γ (2ν, α) π 1 αν+ 2 √ √ π Γ (2ν, α) 1 αν+ 2 √ √ γ (2ν + 1, α) e dx = π 1 αν+ 2 0 √ ∞ √ Γ (2ν + 1, α) (4x)ν 1 e−αx √ Γ ν + 1, dx = π 1 4x x αν+ 2 0 ∞ ν −αx (4x) 1 √ γ ν + 1, 4x x MI 39a MI 39a MI 39 MI 39 658 The Gamma Function and Functions Generated by It ∞ 6.458 1−2ν x 2 exp αx 0 6.458 3 1 b2 b 2 −ν ν−1 2 sin(bx) Γ ν, αx dx = π 2 α Γ 2 − ν exp D 2ν−2 1 8α (2α) 2 3π , 0 < Re ν < 1 |arg α| < 2 ET II 309(18) 6.46–6.47 The function ψ(x) x 6.461 ψ(t) dt = ln Γ(x) 1 6.462 1 ψ(α + x) dx = ln α 0 ∞ x−α [C + ψ(1 + x)] = −π cosec(πα) ζ(α) 0 1 e2πnxi ψ(α + x) dx = e−2πnαi Ei(2πnαi) 6.463 6.464 [α > 0] ET II 305(1) [1 < Re α < 2] ET II 305(6) [α > 0; n = ±i, ±2, . . .] ET II 305(2) 0 6.465 1. 1 8 0 % & ∞ ln k 2 C + ln 2π + 2 ψ(x) sin πx dx = − π 4k 2 − 1 k=2 (see 6.443 4) 1 2. 0 1 ψ(x) sin(2πnx) dx = − π 2 ∞ 6.466 [n = 1, 2, . . .] NH 204 ET II 305(3) −1 [ψ(α + ix) − ψ(α − ix)] sin xy dx = iπe−αy 1 − e−y 0 [α > 0, 6.467 1. y > 0] ET I 96(1) 1 sin(2πnx) ψ(α + x) dx = sin(2πnα) ci(2πnα) + cos(2πnα) si(2πnα) 0 [α ≥ 0; n = 1, 2, . . .] ET II 305(4) 1 cos(2πnx) ψ(α + x) dx = sin(2πnα) si(2πnα) − cos(2πnα) ci(2πnα) 2. 0 [α > 0; 1 6.468 0 6.469 1. 1 ψ(x) sin2 πx dx = − [C + ln(2π)] 2 1 ψ(x) sin πx cos πx dx = − 0 2.8 1 ET II 305(5) NH 204 π 4 n 1 − n2 1 n−1 = ln 2 n+1 ψ(x) sin πx sin(nπx) dx = 0 n = 1, 2, . . .] NH 204 [n is even] [n > 1 is odd] NH 204(8)a 6.511 6.471 Bessel functions ∞ 1. x−α [ln x − ψ(1 + x)] dx = π cosec(πα) ζ(α) 659 [0 < Re α < 1] ET II 306(7) 0 ∞ 2. x−α [ln(1 + x) − ψ(1 + x)] dx = π cosec(πα) ζ(α) − (α − 1)−1 0 [0 < Re α < 1] ∞ [ψ(x + 1) − ln x] cos(2πxy) dx = 3. 0 6.472 ∞ 1. ET II 306(8) 1 [ψ(y + 1) − ln y] 2 ET II 306(12) x−α (1 + x)−1 − ψ (1 + x) dx = −πα cosec(πα) ζ(1 + α) − α−1 0 [|Re α| < 1] ∞ 2. ET II 306(9) x−α x−1 − ψ (1 + x) dx = −πα cosec(πα) ζ(1 + α) 0 [−2 < Re α < 0] ∞ 6.473 x−α ψ (n) (1 + x) dx = (−1)n−1 0 π Γ(α + n) ζ(α + n) Γ(α) sin πα [n = 1, 2, . . . ; ET II 306(10) 0 < Re α < 1] ET II 306(11) 6.5–6.7 Bessel Functions 6.51 Bessel functions 6.511 ∞ J ν (bx) dx = 1. 0 ∞ 2. 0 1 b νπ 1 Y ν (bx) dx = − tan b 2 [Re ν > −1, b > 0] [|Re ν| < 1, b > 0] ET II 22(3) WA 432(7), ET II 96(1) a 3. J ν (x) dx = 2 0 a J 12 (t) dt = 2 S 0 J − 12 (t) dt = 2 C 0 6. ET II 333(1) WA 599(4) √ a a J 0 (x) dx = a J 0 (a) + 0 [Re ν > −1] √ a a 5. J ν+2k+1 (a) k=0 4. ∞ WA 599(3) πa [J 1 (a) H0 (a) − J 0 (a) H1 (a)] 2 [a > 0] ET II 7(2) 660 Bessel Functions 6.512 a J 1 (x) dx = 1 − J 0 (a) 7. [a > 0] ET II 18(1) 0 ∞ 8. J 0 (x) dx = 1 − a J 0 (a) + a πa [J 0 (a) H1 (a) − J 1 (a) H0 (a)] 2 [a > 0] ET II 7(3) [a > 0] ET II 18(2) ∞ 9. J 1 (x) dx = J 0 (a) a b 10. Y ν (x) dx = 2 a 11. a I ν (x) dx = 2 ET II 339(46) ∞ [Re ν > −1] (−1)n I ν+2n+1 (a) ET II 364(1) n=0 ∞ K 0 (ax) = π 2a [a > 0] K 20 (ax) = π2 4a [a > 0] 0 13.∗ [Y ν+2n+1 (b) − Y ν+2n+1 (a)] n=0 0 12.∗ ∞ ∞ 0 6.512 ∞ 1.11 0 μ+ν+1 b2 μ+ν+1 ν−μ+1 2 , ; ν + 1; 2 J μ (ax) J ν (bx) dx = bν a−ν−1 F μ−ν+1 2 2 a Γ(ν + 1) Γ 2 [a > 0, b > 0, Re(μ + ν) > −1, b < a. Γ For a > b, the positions of μ and ν should be reversed.] ET II 48(6) ∞ 2.7 ν−n−1 Γ(ν) β F αν−n n! Γ(ν − n) 1 = (−1)n 2α =0 J ν+n (αt) J ν−n−1 (βt) dt = 0 ν, −n; ν − n; [0 < β < α] [0 < β = α] [0 < α < β] 0 β αν 1 = 2β [β < α] [β = α] =0 [β > α] [Re ν > 0] ∞ MO 50 ν−1 J ν (αx) J ν−1 (βx) dx = 4. β α2 [Re(ν) > 0] ∞ 3.8 2 J ν+2n+1 (ax) J ν (bx) dx = bν a−ν−1 P (ν,0) 1− n 0 =0 2 2b a2 WA 444(8), KU (40)a [Re ν > −1 − n, 0 < b < a] [Re ν > −1 − n, 0 < a < b] ET II 47(5) 6.513 Bessel functions ∞ 5. J ν+n (ax) Y ν−n (ax) dx = (−1)n+1 0 ∞ J 1 (bx) Y 0 (ax) dx = − 0 a J ν (x) J ν+1 (x) dx = 0 8. ∞ 0 ∞ K 0 (ax) J 1 (bx) = 0 10. ∗ b2 b−1 ln 1 − 2 π a ∞ k J n (ka) J n (kb) dk = Re ν > − 12 , a > 0, n = 0, 1, 2, . . . [J ν+n+1 (a)] 2 [0 < b < a] ET II 21(31) [Re ν > −1] ET II 338(37) n=0 9 9.∗ 1 2a ET II 347(57) 6. 7. 661 ∞ [n = 0, 1, . . .] b2 1 ln 1 + 2 2b a K 0 (ax) I 1 (bx) = − 0 1 δ(b − a) a b2 1 ln 1 − 2 2b a JAC 110 [a > 0, b > 0] [a > 0, b > 0] 6.513 ∞ 1. 0 1 + ν + 2μ 2 [J μ (ax)] J ν (bx) dx = a2μ b−2μ−1 1 + ν − 2μ 2 [Γ(μ + 1)] Γ 2 ⎡ ⎛ Γ 2 1− ⎢ ⎜ 1 − ν + 2μ 1 + ν + 2μ ⎜ , ; μ + 1; ×⎢ ⎣F ⎝ 2 2 [Re ν + Re 2μ > −1, ∞ 2. 0 b−1 Γ [J μ (ax)] K ν (bx) dx = 2 2 2μ + ν + 1 2 Γ ⎞⎤2 4a2 1 − 2 ⎟⎥ b ⎟⎥ ⎠⎦ 2 0 < 2a < b] ET II 52(33) &2 % 2μ − ν + 1 4a2 −μ 1+ 2 P 1 ν− 1 2 2 2 b [2 Re μ > |Re ν| − 1, Re b > 2|Im a|] ET II 138(18) ∞ 3. 0 4. 0 ∞ ν + 2μ + 1 4a2 4a2 2 −μ −μ I μ (ax) K μ (ax) J ν (bx) dx = 1 + 2 Q 1 ν− 1 1+ 2 P 1 ν− 1 2 2 2 2 ν − 2μ + 1 b b bΓ 2 [Re a > 0, b > 0, Re ν > −1, Re(ν + 2μ) > −1] ET II 65(20) eμπi Γ νπ π sec J μ (ax) J −μ (ax) K ν (bx) dx = P μ1 ν− 1 2 2 2b 2 2 4a 4a2 1+ 2 1 + 2 P −μ 1 1 2 ν− 2 b b [|Re ν| < 1, Re b > 2|Im a|] ET II 138(21) 662 Bessel Functions e2μπi Γ ∞ 5. 2 [K μ (ax)] J ν (bx) dx = 0 bΓ z J μ (x) J ν (z − x) dx = 2 6. 0 ∞ 6.514 1 + ν + 2μ % &2 4a2 2 −μ 1+ 2 Q 1 ν− 1 2 2 1 + ν − 2μ b 2 Re a > 0, b > 0, Re 12 ν ± μ > − 12 (−1)k J μ+ν+2k+1 (z) [Re μ > −1, ET II 66(28) Re ν > −1] WA 414(2) k=0 z 7. J μ (x) J −μ (z − x) dx = sin z [−1 < Re μ < 1] WA 415(4) J μ (x) J 1−μ (z − x) dx = J 0 (z) − cos(z) [−1 < Re μ < 2] WA 415(4) 0 8. z 0 9. ∗ ∞ 1 b 2 = arcsin πb J 20 (ax) J 1 (bx) = 0 6.514 Jν √ √ a 2 −1 2ab Y 2ν 2 ab + K 2ν Y ν (bx) dx = b x π a > 0, ∞ 2. 0 Jν 0 ∞ Yν 0 Yν 0 6. Re ν > − 12 ET II 57(9) b > 0, − 12 < Re ν < 3 2 + 1 √ , + √ , 1 1 1 a K ν (bx) dx = b−1 e 2 i(ν+1)π K 2ν 2e 4 iπ ab + b−1 e− 2 i(ν+1)π K 2ν 2e− 4 πi ab x a > 0, Re b > 0, |Re ν| < 52 , √ √ a 2b−1 + π J ν (bx) dx = − K 2ν 2 ab − Y 2ν 2 ab x π 2 a > 0, b > 0, |Re ν| < 1 2 √ a Y ν (bx) dx = −b−1 J 2ν 2 ab x a > 0, b > 0, |Re ν| < 1 2 ET II 110(14) ∞ Yν 0 b > 0, ET II 62(37)a ∞ 5. a > 0, ET II 141(31) 4. ET II 110(12) ∞ 3. [2a > b > 0] √ a J ν (bx) dx = b−1 J 2ν 2 ab x 0 b 2a Jν ∞ 1. [b > 2a > 0] √ √ 1 1 1 1 a K ν (bx) dx = −b−1 e 2 νπi K 2ν 2e 4 πi ab − b−1 e− 2 νπi K 2ν 2e− 4 πi ab x a > 0, Re b > 0, |Re ν| < 52 ET II 143(37) 6.516 Bessel functions ∞ 7. Kν 0 √ a K ν (bx) dx = πb−1 K 2ν 2 ab x Jμ √ √ a a Yμ K 0 (bx) dx = −2b−1 J 2μ 2 ab K 2μ 2 ab x x ∞ 1. 0 ∞ 2. 0 ker2ν √ √ 3νπ 2 ab + cos kei2ν 2 ab 2 Re a > 0, b > 0, |Re ν| < 12 Kν ∞ 0 3νπ 2 ET II 113(28) 8. 6.515 a −1 sin Y ν (bx) dx = −2b x 663 [Re a > 0, 3. 0 ET II 146(54) [a > 0, Re b > 0] + , √ √ 1 1 a 2 K 0 (bx) dx = 2πb−1 K 2μ 2e 4 πi ab K 2μ 2e− 4 πi ab Kμ x [Re a > 0, ∞ Re b > 0] H (1) μ 2 a x H (2) μ 2 a x ET II 143(42) Re b > 0] ET II 147(59) √ √ J 0 (bx) dx = 16π −2 b−1 cos μπ K 2μ 2eπi/4 a b K 2μ 2e−πi/4 a b , + π |arg a| < , b > 0, |Re μ| < 14 4 ET II 17(36) 6.516 ∞ 1. √ J 2ν a x J ν (bx) dx = b−1 J ν 0 √ J 2ν a x Y ν (bx) dx = −b−1 Hν 0 ∞ 3. 0 ∞ 4.10 0 5. a > 0, b > 0, Re ν > − 12 ET II 58(16) ∞ 2. a2 4b ∞ √ π J 2ν a x K ν (bx) dx = b−1 I ν 2 a2 4b 2 a 4b − Lν b > 0, Re ν > − 12 Re b > 0, Re ν > − 12 √ a a 1 1 J −ν Y 2ν a x J ν (bx) dx = J ν cot(2πν) − cosec(2πν) b 4b 2b 4b a4 3 3 23ν−3 a2−2ν bν−2 Γ ν − 12 1 F 2 1; , − ν; − 3/2 2 2 64b2 π [a > 0, b > 0] 2 = b−1 sec(νπ) J −ν 2 ET II 144(45) 2 √ Y 2ν a x Y ν (bx) dx 0 ET II 111(18) 2 a 4b a > 0, a2 4b MC a2 a2 + cosec(νπ) H−ν − 2 cot(2νπ) Hν 4b 4b a > 0, b > 0, |Re ν| < 12 ET II 111(19) 664 Bessel Functions ∞ 6. 0 ⎡ −1 √ πb ⎣ cosec(2νπ) L−ν Y 2ν a x K ν (bx) dx = 2 − tan(νπ) I ν ∞ 7. 0 ∞ 0 ∞ 9. ∞ 10. 0 6.517 √ K 2ν a x Y ν (bx) dx 1 −1 = − πb sec(νπ) J −ν 4 √ K 2ν a x K ν (bx) dx = z J0 0 ∞ ⎤ a2 4b 2 a ⎦ sec(νπ) Kν π 4b ET II 144(46) Re b > 0, |Re ν| < 12 2 2 a a − Y −ν 4b 4b Re a > 0, b > 0, Re ν > − 12 a2 4b a2 4b + Lν a2 π + L−ν − Lν 2 sin(νπ) 4b Re b > 0, |Re ν| < 12 a2 4b Re b > 0, Re ν > − 12 a2 4b 2 π Jν (z) + Nν2 (z) 8 cos νπ J 2ν (2z sin x) dx = π 2 J (z) 2 ν π/2 0 ET II 147(63) ET II 147(60) MO 48 π 2 J (z) 2 ν 0 2. Kν a2 a2 − cosec(νπ) H−ν + 2 cosec(2νπ) Hν 4b 4b Re a > 0, b > 0, |Re ν| < 12 ET II 114(34) J 2ν (2z cos x) dx = π/2 1. Iν a2 4b 2 0 − − cot(2νπ) Lν z 2 − x2 dx = sin z K 2ν (2z sinh x) dx = πb−1 4 cos(νπ) √ πb−1 I 2ν a x K ν (bx) dx = 2 6.518 6.519 a 4b √ 1 −1 K 2ν a x J ν (bx) dx = πb sec(νπ) H−ν 4 0 2 a2 4b ET II 70(22) 8. 6.517 − 12 < Re ν < Re z > 0, Re ν > − 12 Re ν > − 12 1 2 MO 45 WH WA 42(1)a 6.52 Bessel functions combined with x and x2 6.521 1. 1 β J ν−1 (β) J ν (α) − α J ν−1 (α) J ν (β) α2 − β 2 α J ν (β) J ν (α) − β J ν (α) J ν (β) = β 2 − α2 x J ν (αx) J ν (βx) dx = 0 [α = β, ν > −1] [α = β, ν > −1] WH Bessel functions combined with x and x2 6.522 2. ∞ 10 x K ν (ax) J ν (bx) dx = 0 bν aν (b2 + a2 ) 665 [Re a > 0, b > 0, Re ν > −1] ET II 63(2) ∞ π(ab)−ν a2ν − b2ν x K ν (ax) K ν (bx) dx = 2 sin(νπ) (a2 − b2 ) 0 3. 4. a −1 x J ν (λx) K ν (μx) dx = μ2 + λ2 0 5.∗ 7. ∞ x K 20 (ax) = 1 2a2 [a > 0] ∞ b a (a2 + b2 ) ∞ x K 0 (ax) I 0 (bx) = 0 9.∗ ∞ x K 1 (ax) I 1 (bx) = 0 10. ∗ ∞ ∞ ∞ [a > b > 0] b a (a2 − b2 ) [a > b > 0] [a > 0] x2 K 1 (ax) = 2 a3 [a > 0] x2 K 0 (ax) J 1 (bx) = 0 13.∗ ∞ x2 K 1 (ax) J 0 (bx) = 0 14. ∗ ∞ x2 K 0 (ax) I 1 (bx) = 0 15.∗ ∞ x2 K 1 (ax) I 0 (bx) = 0 6.522 Notation: 1 = 1.8 0 ∞ 2b 2 [a > 0, 2 [a > b > 0] 2 [a > b > 0] 2 [a > b > 0] (a2 + b2 ) 2a (a2 + b2 ) 2b (a2 − b2 ) 2a (a2 − b2 ) ET II 367(26) b > 0] 1 − b2 a2 π 2a3 0 12.∗ [a > 0, x2 K 0 (ax) = 0 11.∗ + λa J ν+1 (λa) K ν (μa) − μa J ν (λa) K ν+1 (μa) [a > 0] 0 λ μ π 2a2 x K 1 (ax) J 1 (bx) = 8.∗ ET II 145(48) ν x K 1 (ax) = 0 ∗ Re(a + b) > 0] [Re ν > −1] ∞ 0 6.∗ [|Re ν| < 1, b > 0] , , 1 + 1 + (b + c)2 + a2 − (b − c)2 + a2 , 2 = (b + c)2 + a2 + (b − c)2 + a2 2 2 2 x [J μ (ax)] K ν (bx) dx = Γ μ + 12 ν + 1 Γ μ − 12 ν + 1 b−2 + − 1 1 , −μ + 1 , 2 −2 2 2 −2 2 1 + 4a P 1 + 4a × 1 + 4a2 b−2 2 P −μ b b 1 1 − ν ν 2 [Re b > 2|Im a|, 2 2 Re μ > |Re ν| − 2] ET II 138(19) 666 Bessel Functions ∞ 2. 0 ∞ 3.11 0 6.522 2e2μπi Γ 1 + 12 ν + μ x [K μ (ax)] J ν (bx) dx = 1 b 4a2 + b2 2 Γ 12 ν − μ (1 + 4a2 b−2 ) Q −μ (1 + 4a2 b−2 ) × Q −μ 1 1 ν ν−1 2 2 b > 0, Re a > 0, Re 12 ν ± μ > −1 2 ν ν −ν x K 0 (ax) J ν (bx) J ν (cx) dx = r1−1 r2−1 (r2 − r1 ) (r2 − r1 ) = ν 2 1 2 , 2 (2 − 1 ) + 2 2 2 2 r1 = a + (b − c) , r2 = a + (b + c) , c > 0, Re ν > −1, ET II 66(27)a Re a > |Im b| , ET II 63(6) ∞ 4.10 − 1 x I 0 (ax) K 0 (bx) J 0 (cx) dx = a4 + b4 + c4 − 2a2 b2 + 2a2 c2 + 2b2 c2 2 0 [Re b > Re a, 5.10 c > 0] ET II 16(27) alternatively, with a and c interchanged ∞ 1 x I 0 (cx) K 0 (bx) J 0 (ax) dx = 2 [Re b > Re c, a > 0] − 21 0 2 ∞ − 1 x J 0 (ax) K 0 (bx) J 0 (cx) dx = a4 + b4 + c4 − 2a2 c2 + 2a2 b2 + 2b2 c2 2 0 alternatively, with a and b interchanged ∞ 1 x J 0 (bx) K 0 (ax) J 0 (cx) dx = 2 2 − 21 0 ∞ x J 0 (ax) Y 0 (ax) J 0 (bx) dx = 0 6. c > 0] [Re a > |Im b|, c > 0] − 12 [0 < 2a < b < ∞] ET II 15(21) ∞ 7. −2 0 [Re b > 2|Im a|, 9. 0 ET II 138(20) x K μ− 12 (ax) K μ+ 12 (ax) J ν (bx) dx + 1 , −μ− 12 + 1 , 2e2μπi Γ 12 ν + μ + 1 −μ+ 12 2 −2 2 2 −2 2 1 + 4a 1 + 4a =− Q b b Q 1 1 1 1 1 ν− 2 ν− 2 b Γ 12 ν − μ b2 + 4a2 2 2 2 b > 0, Re a > 0, Re ν > −1, |Re μ| < 1 + 12 Re ν ET II 67(29)a 0 2 Re μ > |Re ν| − 3] ∞ 8. 8 1 −2 − 2 3+ν 3−ν 1 + 4a2 b Γ μ+ b 2 2 + , 1 1 + , 1 1 2 ν− 2 2 ν− 2 ×P −μ 1 + 4a2 b−2 P −μ−1 1 + 4a2 b−2 x J μ (ax) J μ+1 (ax) K ν (bx) dx = Γ μ + ET II 15(25) [0 < b < 2a] = −2π −1 b−1 b2 − 4a2 0 [Re b > |Im a|, ∞ − 1 x I 12 ν (ax) K 12 ν (ax) J ν (bx) dx = b−1 b2 + 4a2 2 [b > 0, Re a > 0, Re ν > −1] ET II 65(16) Bessel functions combined with x and x2 6.522 ∞ 10. x J 12 ν (ax) Y 0 1 2ν (ax) J ν (bx) dx =0 = −2π −1 b−1 b2 − 4a2 − 12 [a > 0, Re ν > −1, 0 < b < 2a] [a > 0, Re ν > −1, 2a < b < ∞] ET II 55(48) ∞ 11.8 x J 12 (ν+n) (ax) J 12 (ν−n) (ax) J ν (bx) dx 0 − 1 = 2π −1 b−1 4a2 − b2 2 T n b 2a =0 0 ∞ 8 0 14. 8 Re ν > −1, 0 < b < 2a] [a > 0, Re ν > −1, 2a < b] x I 12 (ν−μ) (ax) K 12 (ν+μ) (ax) J ν (bx) dx = 2−μ a−μ b−1 b2 + 4a2 [b > 0, 13. [a > 0, ET II 52(32) ∞ 12. 667 Re a > 0, Re ν > −1, − 12 + 1 ,μ b + b2 + 4a2 2 Re(ν − μ) > −2] μ ν ET II 66(23) ν−μ μ−ν (cos ψ) (sin ϕ) (sin ψ) (cos ϕ) x J μ (xa sin ϕ) K ν−μ (ax cos ϕ cos ψ) J ν (xa sin ψ) dx = 2 2 2 a 1 − sin ϕ ,sin ψ + π π ET II 64(10) a > 0, 0 < ϕ < , 0 < ψ < , Re μ > −1, Re ν > −1 2 2 ∞ x J μ (xa sin ϕ cos ψ) J ν−μ (ax) J ν (xa cos ϕ sin ψ) dx 0 μ 15.10 16.10 17.11 −ν −μ −1 = −2π −1 a−2 sin(μπ) (sin ϕ) (sin ψ) (cos ϕ) (cos ψ) [cos(ϕ + ψ) cos(ϕ − ψ)] + , π a > 0, 0 < ϕ < , 0 < ψ < 12 π, Re ν > −1 ET II 54(39) 2 ∞ 23ν (abc)ν Γ ν + 12 ν+1 x J ν (bx) K ν (ax) J ν (cx) dx = √ 2ν+1 π (22 − 21 ) 0 [Re a > |Im b|, c > 0] ∞ 1 3ν ν 2 (abc) Γ ν + 2 xν+1 I ν (cx) K ν (bx) J ν (ax) dx = √ 2ν+1 π (22 − 21 ) 0 [Re b > |Im a| + |Im c|] ∞ tν−μ−ρ+1 J μ (ct) J ν (bt) K ρ (at) dt 0 μ−ν+ρ−1 1 1+2ν−2ρ 2 1 − x2 22 − x2 x 21+ν−μ−ρ dx = μ ν ρ μ−ν c b a Γ (μ − ν + ρ) 0 (b2 − x2 ) , , 1 + 1 + 1 = (b + c)2 + a2 − (b − c)2 + a2 , 2 = (b + c)2 + a2 + (b − c)2 + a2 2 2 [Re a > |Im b|, c > 0] ν 668 Bessel Functions 18. ∞ 11 6.523 tμ−ν+ρ+1 J μ (ct) J ν (bt) K ρ (at) dt ν−μ−ρ−1 1 1+2μ+2ρ 2 1 − x2 22 − x2 x 21+μ−ν+ρ aρ dx = μ ν ν−μ c b Γ (ν − μ − ρ) 0 (c2 − x2 ) , , + + 1 1 1 = (b + c)2 + a2 − (b − c)2 + a2 , 2 = (b + c)2 + a2 + (b − c)2 + a2 2 2 [Re a > |Im b|, c > 0] 0 ∞ 6.523 0 + −1 2 −1 , b ln x 2π −1 K 0 (ax) − Y 0 (ax) K 0 (bx) dx = 2π −1 a2 + b2 + b − a2 a [Re b > |Im a|, Re(a + b) > 0] ET II 145(50) 6.524 ∞ 1. 0 x J 2ν (ax) J ν (bx) Y ν (bx) dx = 0 = −(2πab)−1 0 < a < b, Re ν > − 12 0 < b < a, Re ν > − 12 2 x [J 0 (ax) K 0 (bx)] dx = 0 b −a b 2 + a2 2 1 π − arcsin 8ab 4ab 2 [a > 0, 1.10 ET II 352(14) ∞ 2. 6.525 b > 0] ET II 373(9) , , 1 + 1 + (b + c)2 + a2 − (b − c)2 + a2 , 2 = (b + c)2 + a2 + (b − c)2 + a2 2 2 ∞ ,− 32 + 2 2 a + b2 + c2 − 4a2 c2 x2 J 1 (ax) K 0 (bx) J 0 (cx) dx = 2a a2 + b2 − c2 Notation: 1 = 0 [c > 0, Re b ≥ |Im a|, Re a > 0] ET II 15(26) 2.10 alternatively, with a and b interchanged ∞ 2b a2 + b2 − c2 2 x J 1 (bx) K 0 (ax) J 0 (cx) dx = [Re a > |Im b|, Re b > 0, 3 (22 − 21 ) 0 ∞ ,− 32 + 2 2 a + b2 + c2 − 4a2 b2 x2 I 0 (ax) K 1 (bx) J 0 (cx) dx = 2b b2 + c2 − a2 c > 0] 0 ∞ 3.10 0 6.526 1. 0 ∞ x2 I 0 (cx) K 0 (bx) J 0 (ax) dx = 2b a2 + b2 − c2 (22 − 21 ) x J 12 ν ax2 J ν (bx) dx = (2a)−1 J 12 ν 3 [Re b > |Re a|, c > 0] [Re a > |Im b|, c > 0] ET II 16(28) b2 4a [a > 0, b > 0, Re ν > −1] ET II 56(1) Bessel functions combined with x and x2 6.527 ∞ 2. 0 x J 12 ν ax2 Y ν (bx) dx −1 = (4a) ∞ 0 xY 0 1 2ν xY 0 π K ν (bx) dx = 8a cos νπ 2 H− 12 ν ax2 J ν (bx) dx = −(2a)−1 H 12 ν 1 2ν b2 4a ∞ 6. 0 ∞ 7. 0 b2 4a ∞ 8. 0 2 π x K 12 ν ax J ν (bx) dx = I1 4a 2 ν b2 4a − L 12 ν b2 4a [Re a > 0, 2. 3. ∞ Re ν > −1] b > 0, ET II 68(9) ⎡ π ⎣ cosec(νπ) L− 12 ν x K 12 ν ax2 Y ν (bx) dx = 4a b2 4a b2 4a x K 12 ν ax2 K ν (bx) dx π = 8a 1. Re ν > −1] Re b > 0, b2 b2 b2 νπ J − 12 ν − sin − H 12 ν 4a 2 4a 4a [a > 0, Re b > 0, |Re ν| < 1] ET II 141(28) − cot(νπ) L 12 ν νπ 1 K 12 ν − sec π 2 [Re a > 0, 6.527 Re ν > −1] Re b > 0, [a > 0, π νπ H− 12 ν cos 4a sin(νπ) 2 νπ I 12 ν − tan 2 b2 4a − Y − 12 ν [a > 0, ax2 K ν (bx) dx = 1 2ν b2 b2 νπ νπ J 12 ν H− 12 ν − tan + sec 2 4a 2 4a [a > 0, b > 0, Re ν > −1] ET II 109(9) ET II 61(35) ∞ 5. b2 4a ET II 140(27) ∞ 4. 2 x J 12 ν ax 3. Y 669 νπ K 12 ν sec 2 b2 4a 1 x2 J 2ν (2ax) J ν− 12 x2 dx = a J ν+ 12 a2 2 0 ∞ 1 x2 J 2ν (2ax) J ν+ 12 x2 dx = a J ν− 12 a2 2 0 ∞ 1 x2 J 2ν (2ax) Y ν+ 12 x2 dx = − a Hν− 12 a2 2 0 b > 0, b2 4a ⎤ b2 ⎦ 4a |Re ν| < 1] ET II 112(25) b2 b2 1 + π cosec(νπ) L − L2ν 4a 4a [Re a > 0, |Re ν| < 1] ET II 146(52) − 12 ν a > 0, Re ν > − 12 [a > 0, Re ν > −2] ET II 355(35) [a > 0, Re ν > −2] ET II 355(36) ET II 355(33) 670 Bessel Functions ∞ 6.528 0 6.529 ∞ 1. 0 2. x K 14 ν x2 4 I 14 ν x2 4 J ν (bx) dx = K 14 ν x2 4 √ √ 2a 1 x J ν 2 ax K ν 2 ax J ν (bx) dx = b−2 e− b 2 6.528 b2 4 [b > 0, I 14 ν ν > −1] [Re a > 0, b > 0, MO 183a Re ν > −1] ET II 70(23) a x J λ (2a) I λ (2x) J μ 2 a2 − x2 I μ 2 a2 − x2 dx 0 = a2λ+2μ+2 2 Γ(λ + 1) Γ(μ + 1) Γ(λ + μ + 2) λ+μ+1 λ+μ+3 ; λ + 1, μ + 1, λ + μ + 1, ; −a4 × 1F 4 2 2 [Re λ > −1, Re μ > −1] ET II 376(31) 6.53–6.54 Combinations of Bessel functions and rational functions 6.531 ∞ 1.10 0 Y ν (bx) dx x+a = −π J ν (ab) cot(πν) cosec(πν) − π J −ν (ab) cosec2 (πν) + + ∞ 2. 0 a2 b 2 3−ν 3+ν ab , ; − 1 F 2 1; −1 2 2 4 ν2 tan πν a2 b 2 1 2−ν 2+ν cot , ; − 1 F 2 1; ν 2 2 2 4 πν 2 [Re ν < 1, arg a = π, b > 0] Y ν (bx) 2 dx = π cot(νπ) [Y ν (ab) + Eν (ab)] + Jν (ab) + 2 [cot(νπ)] [Jν (ab) − J ν (ab)] x−a [b > 0, a > 0, |Re ν| < 1] MC ET II 98(9) ∞ 3. 0 , + 1 1 π2 K ν (bx) 2 dx = [cosec(νπ)] I ν (ab) + I −ν (ab) − e− 2 iνπ Jν (iab) − e 2 iνπ J−ν (iab) x+a 2 [Re b > 0, |arg a| < π, |Re ν| < 1] ET II 128(5) 6.532 1.11 0 ∞ , 1+ , νπ J ν (x) i+ π S 0,ν (ia) − e−iνπ/2 K ν (a) = i s 0,ν (ia) + sec I ν (a) dx = 2 2 x +a a a 2 2 [Re a > 0, Re ν > −1] 6.536 Bessel functions and rational functions ∞ 2. 0 ⎡ νπ Y ν (x) π 1 ⎣ 1 dx = νπ − 2a tan 2 I ν (ab) − a K ν (ab) x2 + a2 cos 2 ⎤ νπ b sin 2 2 3−ν 3+ν a b ⎦ 2 , ; + 1 F 2 1; 1 − ν2 2 2 4 [b > 0, ∞ 3. 0 ∞ 4. 0 ∞ 5. 0 ∞ 6. 0 6.533 1. ET II 99(13) x J 0 (ax) dx = K 0 (ak) x2 + k 2 [a > 0, Re k > 0] WA 466(5) Y 0 (ax) K 0 (ak) dx = − x2 + k 2 k [a > 0, Re k > 0] WA 466(6) J 0 (ax) π [I 0 (ak) − L0 (ak)] dx = 2 2 x +k 2k [a > 0, Re k > 0] WA 467(7) z J p (x) J q (z − x) z 2. 0 J p+q (z) dx = x p J p (x) J q (z − x) dx = x z−x ∞ 11 [J 0 (ax) − 1] J 1 (bx) 0 4. |Re ν| < 1] Y ν (bx) νπ π νπ J ν (ab) + tan tan [Jν (ab) − J ν (ab)] − Eν (ab) − Y ν (ab) dx = 2 2 x −a 2a 2 2 [b > 0, a > 0, |Re ν| < 1] 0 3b Re a > 0, ET II 101(21) 3. 671 1 1 + p q J p+q (z) z a, dx b+ 1 + 2 ln = − x2 4 b a2 =− 4b ⎧ b 1 1 b2 ⎪ ⎪ ∞ , ; 2, 2 ⎨ 2F 1 dx 2a 2 2 a = [J 0 (ax) − 1] J 1 (bx) 2 b 2 ⎪ x 0 ⎪ E −1 ⎩ π a2 ∞ dx =0 [1 − J 0 (ax)] J 0 (bx) x 0 a = ln b [Re p > 0, Re q > −1] WA 415(3) [Re p > 0, Re q > 0] WA 415(5) [0 < b < a] [0 < a < b] ET II 21(28)a − 1 [0 < b < a] [0 < a < b] [0 < a < b] [0 < b < a] ET II 14(16) 6.534 6.535 6.536 ∞ x3 J 0 (x) 1 1 dx = K 0 (a) − π Y 0 (a) 4 4 2 4 0 ∞ x − a x 2 [J ν (x)] dx = I ν (a) K ν (a) 2 2 0 ∞x 3+ a x J 0 (bx) dx = ker(ab) x4 + a4 0 [a > 0] ET II 340(5) [Re a > 0, b > 0, Re ν > −1] |arg a| < 14 π ET II 342(26) ET II 8(9), MO 46a 672 Bessel Functions ∞ 6.537 0 6.538 ∞ 1. 0 + x2 J 0 (bx) 1 dx = − 2 kei(ab) 4 4 x +a a b > 0, |arg a| < 6.537 π, 4 MO 46a % √ √ & dx a+b 2i ab 2i ab J 1 (ax) J 1 (bx) 2 = E −K x π |b − a| |b − a| [a > 0, ∞ 2.8 x−1 J ν+2n+1 (x) J ν+2m+1 (x) dx = 0 0 b > 0] ET II 21(30) [m = n with m, n integers, ν > −1] = (4n + 2ν + 2)−1 [m = n, ν > −1] EH II 64 6.539 1. 2. π Y ν (b) Y ν (a) − 2 = 2 J ν (b) J ν (a) a x [J ν (x)] b J ν (b) dx π J ν (a) − = 2 2 Y ν (a) Y ν (b) a x [Y ν (x)] b dx [J ν (x) = 0 for x ∈ [a, b]] ET II 338(41) [Y ν (x) = 0 for x ∈ [a, b]] ET II 339(49) 3. a 6.541 b J ν (a) Y ν (b) π dx = ln x J ν (x) Y ν (x) 2 J ν (b) Y ν (a) ∞ x J ν (ax) J ν (bx) 1. 0 2.8 0 ET II 339(50) dx = I ν (bc) K ν (ac) x2 + c2 = I ν (ac) K ν (bc) [0 < b < a, Re c > 0, Re ν > −1] [0 < a < b, Re c > 0, Re ν > −1] ET II 49(10) ∞ dx x1−2n J ν (ax) J ν (bx) 2 x + c2 % n 1 1 = − 2 I ν (bc) K ν (ac) − c 2 = − 1 c2 n % I ν (bc) K ν (ac) − 1 2ν ν b a 2 2 p n−1−p 2 2 k & n−1 a c /4 b c /4 π sin(πν) p=0 p! Γ(1 − ν + p) k! Γ(1 − ν + k) k=0 b a ν n−1 p=0 2 2 p n−1−p 2 2 k & b c /4 a c /4 p!(1 − ν)p k!(1 + ν)k [0 < b < a] Re ν > n − 1, 0 < b < a] [n = 1, 2, . . . , k=0 Re c > 0, 6.544 Bessel functions and rational functions 3. ∞ 8 0 xα−1 1 ρ J μ (cx) J ν (cx) dx = 2 2 2 (x + z ) ×Γ c 2 673 2ρ−α (μ + ν + α)/2 − ρ, 1 + 2ρ − α (μ⎛− ν − α)/2 + ρ + 1, (μ + ν − α)/2 + ρ + 1, (ν − μ − α)/2 + ρ + 1 α μ+ν+α μ−ν−α 1−α + ρ, 1 − + ρ, ρ; ρ + 1 − ,ρ + 1 + , 2 2 2 2 ⎞ μ+ν−α ν − μ − α 2 2 ⎠ z α−2ρ cz μ+ν ρ+1+ ,ρ + 1 + ;c z + , 2 2 2 2 ⎛ ρ − (α + μ + ν)/2, (α + μ + ν) /2 ⎝1 + μ + ν , 1 + μ + ν Γ 3F 4 ρ, μ + 1, ν + 1 2 2 ⎞ α+μ+ν α+μ+ν ;1 − ρ + , μ + 1, ν + 1, μ + ν + 1; c2 z 2 ⎠ 2 2 × 3F 4 ⎝ a1 , . . . , ap Γ (a1 ) . . . Γ (ap ) , c > 0, Re z > 0, Re(α + μ + ν) > 0; Re(α − 2ρ) > 1 Γ = b1 , . . . , bq Γ (b1 ) . . . Γ (bq ) ∞ ν J ν (ax) Y ν (bx) − J ν (bx) Y ν (ax) π b 6.542 [0 < b < a] ET II 352(16) dx = − 2 2 2 a 0 x [J ν (bx)] + [Y ν (bx)] ∞ 1 1 x dx 6.543 J μ (bx) cos (ν − μ)π J ν (ax) − sin (ν − μ)π Y ν (ax) = I μ (br) K ν (ar) 2 2 2 x + r2 0 [Re r > 0, 6.544 ∞ Jν 1. 0 ∞ 2. Jν 0 ∞ 3. Jν 0 ∞ 4. Yν 0 5. ∞ Yν 0 a x Yν x b a x Jν x b dx 1 2 K 2ν =− x2 a π dx 1 = J 2ν x2 a − Y 2ν dx 1 1 = e 2 iνπ K 2ν 2 x a a x Jν x b dx 2 = K 2ν x2 aπ √ 2 a √ b a > 0, b > 0, Re μ > |Re ν| − 2] |Re ν| < 1 2 EI II 357(47) √ 2 a √ b a x Kν x b a x Kν x b √ 2 a √ b a ≥ b > 0, √ 2 a 1 iπ √ e4 b √ 2 a √ b dx 4 1 i(ν+1)π = K 2ν e2 x2 a + a > 0, b > 0, Re ν > − 12 ET II 57(10) √ 2 a − 1 iπ 1 − 1 iνπ K 2ν √ e 4 + e 2 a b Re b > 0, a > 0, |Re ν| < 12 π Y 2ν 2 √ 2 a √ b a > 0, b > 0, ET II 142(32) |Re ν| < 1 2 ET II 62(38) √ √ 1 2 a 1 iπ 2 a 1 √ e4 + e− 2 i(ν+1)π K 2ν √ e− 4 iπ b b Re b > 0, a > 0, |Re ν| < 12 ET II 143(38) 674 Bessel Functions ∞ 6. Kν 0 ∞ 7. Kν 0 ∞ 8. Kν 0 a x Jν x b √ 1 dx i 1 νπi πi 2 a 2 4 √ = K 2ν e e x2 a b a x Yν x b dx 2 = sin x2 a 3 πν kei2ν 2 dx π = K 2ν x2 a √ 2 a √ b a x Kν x b 6.551 √ a √ b |Re ν| < 52 − 14 πi 2 − 12 νπi K 2ν e −e Re a > 0, b > 0, ET II 70(19) √ √ 3 2 a 2 a √ πν ker2ν √ − cos 2 b b Re a > 0, b > 0, |Re ν| < 52 ET II 113(29) [Re a > 0, Re b > 0] ET II 146(55) 6.55 Combinations of Bessel functions and algebraic functions 6.55110 1 1/2 1. x 0 ∞ 2. 1 √ −3/2 Γ 34 + 12 ν J ν (xy) dx = 2y Γ 14 + 12 ν +y −1/2 ν − 12 J ν (y) S −1/2,ν−1 (y) − J ν−1 (y) S 1/2,ν (y) y > 0, Re ν > − 32 x1/2 J ν (xy) dx = y −1/2 J ν−1 (y) S 1/2,ν (y) + 12 − ν J ν (y) S −1/2,ν−1 (y) [y > 0] 6.552 ∞ 1. J ν (xy) 0 dx 1/2 a2 ) (x2 + = I ν/2 1 2 ay K ν/2 1 2 ay ET II 22(2) [Re a > 0, y > 0, Re ν > −1] ET II 23(11), WA 477(3), MO 44 ∞ 2. Y ν (xy) 0 ET II 21(1) dx (x2 + 1/2 a2 ) =− 1 sec 12 νπ K ν/2 12 ay K ν/2 12 ay + π sin 12 νπ I ν/2 12 ay π [y > 0, Re a > 0, |Re ν| < 1] ET II 100(18) ∞ 3. K ν (xy) 0 dx (x2 + π sec 12 νπ 8 2 1/2 a2 ) = J ν/2 1 2 ay 2 + Y ν/2 12 ay [Re a > 0, 2 Re y > 0, |Re ν| < 1] ET II 128(6) 1 4. J ν (xy) 0 5. dx (1 − 1 Y 0 (xy) 0 6. dx (1 − ∞ J ν (xy) 1 1/2 x2 ) 1/2 x2 ) dx 1/2 (x2 − 1) = 2 π J ν/2 12 y 2 [y > 0, = π J 0 12 y Y 0 12 y 2 [y > 0] ET II 102(26)a [y > 0] ET II 24(23)a =− π J ν/2 12 y Y ν/2 12 y 2 Re ν > −1] ET II 24(22)a 6.561 Bessel functions and powers ∞ 7. Y ν (xy) 1 dx 1/2 (x2 − 1) = 675 2 2 π J ν/2 12 y − Y ν/2 12 y 4 [y > 0] ∞ 6.553 x−1/2 I ν (x) K ν (x) K μ (2x) dx = Γ 1 0 4 ET II 102(27) + 12 μ Γ 14 − 12 μ Γ 14 + ν + 12 μ Γ 14 + ν − 12 μ 3 4 Γ 4 + ν + 12 μ Γ 34 + ν − 12 μ |Re μ| < 12 , 2 Re ν > |Re μ| − 12 ET II 372(2) 6.554 ∞ 1. x J 0 (xy) 0 x J 0 (xy) 0 dx (1 − ∞ 3. x J 0 (xy) 1 x J 0 (xy) 0 5. ∞ 11 [y > 0] ET II 7(6)a = a−1 e−ay [y > 0, Re a > 0] 1 ν √ 2a π dx = J ν (ak) K ν (ak) 2ν (2k) Γ ν + 12 a > 0, |arg k| > 3/2 a2 ) ν+1/2 (x4 + 4k 4 ) 0 ET II 7(4) = y −1 cos y − 1) xν+1 J ν (ax) Re a > 0] ET II 7(5)a 1/2 + [y > 0, = y −1 sin y dx (x2 = y −1 e−ay [y > 0] 1/2 x2 ) dx (x2 ∞ 4. 1/2 (a2 + x2 ) 1 2. dx ET II 7(7)a π 4, Re ν > − 12 WA 473(1) ∞ 6.555 0 ∞ 6.556 0 x1/2 J 2ν−1 ax1/2 Y ν (xy) dx = − a Hν−1 2y 2 a2 4y a > 0, + 1/2 , dx a a π √ Y ν/2 J ν a x2 + 1 = − J ν/2 2 2 2 x2 + 1 y > 0, Re ν > − 12 ET II 111(17) [Re ν > −1, a > 0] MO 46 6.56–6.58 Combinations of Bessel functions and powers 6.561 1 1. 0 1 2. 0 3. 0 1 1 xν J ν (ax) dx = 2ν−1 a−ν π 2 Γ ν + 12 [J ν (a) Hν−1 (a) − Hν (a) J ν−1 (a)] Re ν > − 12 1 xν Y ν (ax) dx = 2ν−1 a−ν π 2 Γ ν + 12 [Y ν (a) Hν−1 (a) − Hν (a) Y ν−1 (a)] Re ν > − 12 1 xν I ν (ax) dx = 2ν−1 a−ν π 2 Γ ν + 12 [I ν (a) Lν−1 (a) − Lν (a) I ν−1 (a)] Re ν > − 12 ET II 333(2)a ET II 338(43)a ET II 364(2)a 676 Bessel Functions 1 4. 0 1 5. 6.561 1 xν K ν (ax) dx = 2ν−1 a−ν π 2 Γ ν + 12 [K ν (a) Lν−1 (a) + Lν (a) K ν−1 (a)] Re ν > − 12 xν+1 J ν (ax) dx = a−1 J ν+1 (a) ET II 367(21)a [Re ν > −1] ET II 333(3)a 0 1 6. xν+1 Y ν (ax) dx = a−1 Y ν+1 (a) + 2ν+1 a−ν−2 π −1 Γ(ν + 1) 0 1 7. xν+1 I ν (ax) dx = a−1 I ν+1 (a) [Re ν > −1] ET II 339(44)a [Re ν > −1] ET II 365(3)a [Re ν > −1] ET II 367(22)a 0 1 8. xν+1 K ν (ax) dx = 2ν a−ν−2 Γ(ν + 1) − a−1 K ν+1 (a) 0 1 x1−ν J ν (ax) dx = 9. 0 1 x1−ν Y ν (ax) dx = 10. 0 1 11. a ν−2 2ν−1 Γ(ν) − a−1 J ν−1 (a) aν−2 cot(νπ) − a−1 Y ν−1 (a) 2ν−1 Γ(ν) x1−ν I ν (ax) dx = a−1 I ν−1 (a) − 0 1 12. ET II 333(4)a [Re ν < 1] ET II 339(45)a aν−2 Γ(ν) ET II 365(4)a 2ν−1 x1−ν K ν (ax) dx = 2−ν aν−2 Γ(1 − ν) − a−1 K ν−1 (a) 0 1 xμ J ν (ax) dx = 13.7 0 2μ Γ [Re ν < 1] ν+μ+1 aμ+1 Γ 2 + a−μ {(μ + ν − 1) J ν (a) S μ−1,ν−1 (a) − J ν−1 (a) S μ,ν (a)} ν−μ+1 2 [a > 0, 1 1 1 ∞ μ μ −μ−1 Γ 2 + 2 ν + 2 μ x J ν (ax) dx = 2 a Γ 12 + 12 ν − 12 μ 0 14. ∞ 15. 0 16. 0 ET II 367(23)a Re(μ + ν) > −1] − Re ν − 1 < Re μ < 12 , 1 −μ−1 Γ 12 + 12 ν + 12 μ μ μ x Y ν (ax) dx = 2 cot 2 (ν + 1 − μ)π a Γ 12 + 12 ν − 12 μ |Re ν| − 1 < μ < 12 , ET II 22(8)a a>0 EH II 49(19) a>0 ET II 97(3)a ∞ xμ K ν (ax) dx = 2μ−1 a−μ−1 Γ 1+μ+ν 2 Γ 1+μ−ν 2 [Re (μ + 1 ± ν) > 0, Re a > 0] EH II 51(27) 6.564 Bessel functions and powers ∞ 17. 0 ∞ 18. 0 Γ 12 q + 12 J ν (ax) dx = ν−q q−ν+1 xν−q 2 a Γ ν − 12 q + 12 Γ Y ν (x) dx = xν−μ 1 2 677 −1 < Re q < Re ν − 1 2 WA 428(1), KU 144(5) + 12 μ Γ 12 + 12 μ − ν sin 12 μ − ν π 2ν−μ π |Re ν| < Re(1 + μ − ν) < 32 WA 430(5) 1 x2m+n+1/2 K n+1/2 (αx) dx = 19. 0 6.562 ∞ xμ Y ν (bx) 0 ∞ 2. 0 STR k=0 1. n π (n + k)! γ(2m + n − k + 1, α) 2 k!(n − k)! α2m+n+3/2 2k dx = (2a)μ π −1 sin 12 π(μ − ν) Γ 12 (μ + ν + 1) Γ 12 (1 + μ − ν) S −μ,ν (ab) x+a −2 cos 12 π (μ − ν) Γ 1 + 12 μ + 12 ν Γ 1 + 12 μ − 12 ν S −μ−1,ν (ab) ET II 98(8) b > 0, |arg a| < π, Re (μ ± ν) > −1, Re μ < 32 πk ν xν J ν (ax) dx = [H−ν (ak) − Y −ν (ak)] x+k 2 cos νπ − 12 < Re ν < 32 , a > 0, |arg k| < π WA 479(7) ∞ 3. dx x+a μ − ν a2 b 2 μ+ν μ−2 ,1 − ; Γ 12 (μ + ν) Γ 12 (μ − ν) b−μ 1 F 2 1; 1 − =2 2 2 4 3 − μ + ν a2 b 2 3 − μ − ν , ; −2μ−3 Γ 12 (μ − ν − 1) Γ 12 (μ + ν − 1) ab1−μ 1 F 2 1; 2 2 4 xμ K ν (bx) 0 −πaμ cosec[π(μ − ν)] {K ν (ab) + π cos(μπ) cosec[π(ν + μ)] I ν (ab)} [Re b > 0, ∞ 6.563 x−1 J ν (bx) 0 6.564 1. ∞ ν+1 x 0 |arg a| < π, Re μ > |Re ν| − 1] ET II 127(4) dx πa−μ−1 = (x + a)1+μ sin[( ⎧ + ν − μ)π] Γ(μ + 1) ν+2m ∞ ⎨ (−1)m 12 ab Γ( + ν + 2m) × ⎩ m! Γ(ν + m + 1) Γ ( + ν − μ + 2m) m=0 ⎫ μ+1−+m ⎬ 1 ∞ 1 Γ(μ + m + 1) sin 2 ( + ν − μ − m)π 2 ab − 1 m! Γ (μ + ν − + m + 3) Γ 12 (μ − ν − + m + 3) ⎭ 2 m=0 ET II 23(10), WA 479 b > 0, |arg a| < π, Re( + ν) > 0, Re( − μ) < 52 dx J ν (bx) √ = 2 x + a2 2 ν+ 1 a 2 K ν+ 12 (ab) πb Re a > 0, b > 0, −1 < Re ν < 1 2 ET II 23(15) 678 Bessel Functions ∞ 2. 1−ν x 0 dx J ν (bx) √ = 2 x + a2 6.565 , π 1 −ν + a2 I ν− 12 (ab) − Lν− 12 (ab) 2b Re a > 0, b > 0, Re ν > − 12 ET II 23(16) 6.565 ∞ 1. 0 ∞ 2. −ν− 12 ab ab Γ(ν + 1) Iν x−ν x2 + a2 J ν (bx) dx = 2ν a−2ν bν Kν Γ(2ν + 1) 2 2 Re a > 0, b > 0, −ν− 12 xν+1 x2 + a2 0 ∞ 3. −ν− 32 xν+1 x2 + a2 0 WA 477(4), ET II 23(17) Re a > 0, √ bν π J ν (bx) dx = ν+1 ab 2 ae Γ ν + 32 [Re a > 0, b > 0, Re ν > − 12 ET II 24(18) b > 0, Re ν > −1] ET II 24(19) ∞ 4. J ν (bx)xν+1 (x2 + 0 √ ν−1 πb J ν (bx) dx = ν ab 2 e Γ ν + 12 Re ν > − 12 ∞ 5. μ+1 a2 ) dx = aν−μ bμ K ν−μ (ab) Γ(μ + 1) −1 < Re ν < Re 2μ + 32 , 2μ a > 0, b>0 MO 43 μ xν+1 x2 + a2 Y ν (bx) dx = 2ν−1 π −1 a2μ+2 (1 + μ)−1 Γ(ν)b−ν 0 × 1 F 2 1; 1 − ν, 2 + μ; a2 b 2 4 − 2μ aμ+ν+1 [sin(νπ)] −1 × Γ(μ + 1)b−1−μ [I μ+ν+1 (ab) − 2 cos(μπ) K μ+ν+1 (ab)] [b > 0, ET II 100(19) μ 2μ a1+μ−ν b−1−μ π I −1−μ+ν (ab) cot[π(μ − ν)] cosec(πμ) x1−ν x2 + a2 Y ν (bx) dx = Γ(−μ) 2μ a1+μ−ν b−1−μ π − I 1+μ−ν (ab) cosec[π(μ − ν)] cosec(πν) Γ(−μ) 2−1−ν a2+2μ bν a2 b 2 + cos(πν) Γ(−μ) 1 F 2 1; 2 + μ, 1 + ν; 4 (1 + μ)π 2 MC Re ν < 1, Re(ν − 2μ) > −3, arg a = π, b > 0 ∞ μ x1+ν x2 + a2 K ν (bx) dx = 2ν Γ(ν + 1)aν+μ+1 b−1−μ S μ−ν,μ+ν+1 (ab) 0 7. −1 < Re ν < −2 Re μ] ∞ 6.10 Re a > 0, 0 [Re a > 0, Re b > 0, Re ν > −1] ET II 128(8) 6.567 Bessel functions and powers 8. ∞ 11 μ+1 (x2 + k 2 ) 0 6.566 x−1 J ν (ax) ∞ 1. xμ Y ν (bx) 0 ∞ 2. x2 xν+1 J ν (ax) 0 0 WA 477(1) dx = 2μ−2 π −1 b1−μ + a2 , +π (μ − ν + 1) Γ 12 μ + 12 ν − 12 Γ 12 μ − 12 ν − 12 × cos 2 μ + 1 − ν a2 b 2 μ+1+ν ,2 − ; × 1 F 2 1; 2 − 2 2 4 , + , + π π 1 μ−1 cosec (μ + ν + 1) cot (μ − ν + 1) I ν (ab) − πa 2 2 , +π 2 −aμ−1 cosec (μ − ν + 1) K ν (ab) 2 b > 0, Re a > 0, |Re ν| − 1 < Re μ < 52 ET II 100(17) x2 dx = bν K ν (ab) + b2 a > 0, Re b > 0, −1 < Re ν < 3 2 xν K ν (ax) 2 ν−1 x2 dx π b [H−ν (ab) − Y −ν (ab)] = 2 +b 4 cos νπ a > 0, Re b > 0, Re ν > − 12 WA 468(9) ∞ 4. x−ν K ν (ax) 0 aν k +ν−2μ−2 Γ 12 + 12 ν Γ μ + 1 − 12 − 12 ν dx = 2ν+1 Γ(μ + 1) Γ(ν + 1) +ν +ν a2 k 2 ; − μ, ν + 1; × 1F 2 2 2 4 a2μ+2− Γ 12 ν + 12 − μ − 1 + 1 1 22μ+3− Γ μ + 2 + ν − 2 2 ν + a2 k 2 ν− × 1 F 2 μ + 1; μ + 2 + ,μ + 2 − ; 2 2 4 a > 0, − Re ν < Re < 2 Re μ + 72 , Re k > 0 EH II 96(58) ∞ 3. 679 2 dx π [Hν (ab) − Y ν (ab)] = ν+1 x2 + b2 4b cos νπ a > 0, Re b > 0, Re ν < 1 2 WA 468(10) ∞ 5. 0 x−ν J ν (ax) x2 dx π = ν+1 [I ν (ab) − Lν (ab)] 2 +b 2b a > 0, Re b > 0, Re ν > − 52 WA 468(11) 6.567 1. 0 1 μ xν+1 1 − x2 J ν (bx) dx = 2μ Γ(μ + 1)b−(μ+1) J ν+μ+1 (b) [b > 0, Re ν > −1, Re μ > −1] ET II 26(33)a 680 Bessel Functions 1 2. μ xν+1 1 − x2 Y ν (bx) dx 0 = b−(μ+1) 2μ Γ(μ + 1) Y μ+ν+1 (b) + 2ν+1 π −1 Γ(ν + 1) S μ−ν,μ+ν+1 (b) [b > 0, 3. 4. 6.567 Re μ > −1, Re ν > −1] μ 21−ν S ν+μ,μ−ν+1 (b) [b > 0, Re μ > −1] x1−ν 1 − x2 J ν (bx) dx = bμ+1 Γ(ν) 0 1 μ x1−ν 1 − x2 Y ν (bx) dx = b−(μ+1) 21−ν π −1 cos(νπ) Γ (1 − ν) ET II 103(35)a 1 ET II 25(31)a × S μ+ν,μ−ν+1 (b) − 2 cosec(νπ) Γ(μ + 1) J μ−ν+1 (b) 0 μ [b > 0, 1 5. 0 Re μ > −1, Re ν < 1] ET II 104(37)a μ b2 x1−ν 1 − x2 K ν (bx) dx = 2−ν−2 bν (μ + 1)−1 Γ(−ν) 1 F 2 1; ν + 1, μ + 2; 4 +π2μ−1 b−(μ+1) cosec (νπ) Γ(μ + 1) I μ−ν+1 (b) 6. 7. 8. 9. 10. 11. 12. 13. 1 [Re μ > −1, Re ν < 1] π Hν− 12 (b) [b > 0] 2b 0 1 + , π dx cosec(νπ) cos(νπ) J ν+ 12 (b) − H−ν− 12 (b) x1+ν Y ν (bx) √ = 2b 1 − x2 0 [b > 0, Re ν > −1] 1 + , π dx cot(νπ) Hν− 12 (b) − Y ν− 12 (b) − J ν− 12 (b) x1−ν Y ν (bx) √ = 2b 1 − x2 0 [b > 0, Re ν < 1] 2 1 ν− 12 √ b xν 1 − x2 J ν (bx) dx = 2ν−1 πb−ν Γ ν + 12 J ν 2 0 b > 0, Re ν > − 12 1 ν− 12 √ b b 1 xν 1 − x2 Y ν (bx) dx = 2ν−1 πb−ν Γ ν + Jν Yν 2 2 2 0 b > 0, Re ν > − 12 1 ν− 12 √ b b 1 xν 1 − x2 K ν (bx) dx = 2ν−1 πb−ν Γ ν + Iν Kν 2 2 2 0 Re ν > − 12 2 1 1 √ −ν b 1 ν 2 ν− 2 −ν−1 x 1−x I ν (bx) dx = 2 πb Γ ν + Iν 2 2 0 1 ν−1 1 1 b −ν− 2 − ν sin b xν+1 1 − x2 J ν (bx) dx = 2−ν √ Γ 2 π 0 b > 0, |Re ν| < 12 x1−ν J ν (bx) √ dx = 1 − x2 ET II 129(12)a ET II 24(24)a ET II 102(28)a ET II 102(30)a ET II 24(25)a ET II 102(31)a ET II 129(10)a ET II 365(5)a ET II 25(27)a 6.571 Bessel functions and powers ∞ 14. ν x x −1 2 ν− 12 Y ν (bx) dx = 2 1 ν− 12 2ν−1 1 xν x2 − 1 K ν (bx) dx = √ b−ν Γ ν + 2 π ∞ −ν− 12 √ x−ν x2 − 1 J ν (bx) dx = −2−ν−1 πbν Γ 1 16. 1 ∞ 17.8 1 6.568 ∞ 1. ν− 12 2ν x−ν+1 x2 − 1 J ν (bx) dx = √ b−ν−1 Γ π xν Y ν (bx) 0 dx π = aν−1 J ν (ab) x2 − a2 2 xμ Y ν (bx) 0 |Re ν| < 1 + ν cos b 2 b > 0, |Re ν| < 1 2 b > 0, − 12 < Re ν < a > 0, b 2 Yν b 2 1 ET II 25(26)a 2 ET II 25(28) 5 2 +π , (μ − ν + 1) dx π = aμ−1 J ν (ab) + 2μ π −1 aμ−1 cos x2 − a2 2 2 μ−ν+1 μ+ν+1 ×Γ Γ S −μ,ν (ab) 2 2 a > 0, b > 0, |Re ν| − 1 < Re μ < 52 ET II (101)(25) 1 xλ (1 − x)μ−1 J ν (ax) dx 6.569 0 = 6.571 1 − ν Jν 2 b > 0, ET II 101(22) ∞ 2. b b b b Jν J −ν −Yν Y −ν 2 2 2 2 1 |Re ν| < 2 , b > 0 ET II 103(32)a 2 b Kν 2 Re b > 0, Re ν > − 12 ET II 129(11)a √ −ν 1 πb Γ ν + 2 ∞ 15. ν−2 681 ∞ 1. + 0 2. 0 ∞ + x2 + a2 12 Γ(μ) Γ(1 + λ + ν)2−ν aν Γ(ν + 1) Γ(1 + λ + μ + ν) λ+1+ν λ+2+ν λ+1+μ+ν λ+2+μ+ν a2 , ; ν + 1, , ;− × 2F 3 2 2 2 2 4 [Re μ > 0, Re(λ + ν) > −1] ET II 193(56)a ,μ ab ab dx ± x J ν (bx) √ = aμ I 12 (ν∓μ) K 12 (ν±μ) 2 2 x2 + a 2 Re a > 0, b > 0, Re ν > −1, Re μ < 32 ET II 26(38) ,μ 1 dx x2 + a2 2 − x Y ν (bx) √ 2 x + a2 ab ab ab ab = aμ cot(νπ) I 12 (μ+ν) K 12 (μ−ν) − cosec(νπ) I 12 (μ−ν) K 12 (μ+ν) 2 2 2 2 Re a > 0, b > 0, Re μ > − 32 , |Re ν| < 1 ET II 104(40) 682 Bessel Functions ∞ 3. + 0 6.572 ∞ −μ x 1. ,μ dx + x K ν (bx) √ 2 x + a2 ab π2 μ a cosec(νπ) J 12 (ν−μ) = 4 2 x2 + a2 + 2 12 x +a 2 12 ,μ +a 0 6.572 Y − 12 (ν+μ) ab ab ab − Y 12 (ν−μ) J − 12 (ν+μ) 2 2 2 [Re a > 0, Re b > 0] ET II 130(15) Γ 1+ν−μ dx 2 W 12 μ, 12 ν (ab) M − 12 μ, 12 ν (ab) J ν (bx) √ = ab Γ(ν + 1) x2 + a2 [Re a > 0, b > 0, Re(ν − μ) > −1] ET II 26(40) ∞ 2. 0 + ,μ 1 dx x−μ x2 + a2 2 + a K ν (bx) √ 2 x + a2 1+ν−μ 1−ν−μ Γ 2 2 W 12 μ, 12 ν (iab) W 12 μ, 12 ν (−iab) = 2ab Re b > 0, Re μ + |Re ν| < 1] ET II 130(18), BU 87(6a) Γ [Re a > 0, ∞ 3. x−μ + x2 + a2 12 −a ,μ 0 6.573 ∞ 1. xν−M +1 J ν (bx) 0 k - dx + a2 Γ 1+ν+μ ν−μ 1 2 tan π M 12 μ, 12 ν (ab) = − W − 12 μ, 12 ν (ab) ab Γ(ν + 1) 2 ν−μ π W 12 μ, 12 ν (ab) + sec 2 Re a > 0, b > 0, |Re ν| < 12 + 12 Re μ ET II 105(42) Y ν (bx) √ x2 J μi (ai x) dx = 0 i=1 % ai > 0, k M= k μi & i=1 ai < b < ∞, −1 < Re ν < Re M + 1 2k − 1 2 ET II 54(42) i=1 2. 0 ∞ xν−M −1 J ν (bx) % k - J μi (ai x) dx = 2ν−M −1 b−ν Γ(ν) i=1 ai > 0, k i=1 ai < b < ∞, k - aμi i , Γ (1 + μi ) i=1 & 0 < Re ν < Re M + 12 k + 3 2 M= k μi i=1 WA 460(16)a, ET II 54(43) 6.576 Bessel functions and powers 6.574 ∞ 1.8 0 683 ν+μ−λ+1 2 J ν (αt) J μ (βt)t−λ dt = −ν + μ + λ + 1 2λ β ν−λ+1 Γ Γ(ν + 1) 2 ν+μ−λ+1 ν−μ−λ+1 α2 , ; ν + 1; 2 ×F 2 2 β [Re(ν + μ − λ + 1) > 0, Re λ > −1, 0 < α < β] αν Γ WA 439(2)a, MO 49 If we reverse the positions of ν and μ and at the same time reverse the positions of α and β, the function on the right-hand side of this equation will change. Thus, the right-hand side represents α α that is not analytic at = 1. a function of β β For α = β, we have the following equation: ∞ 2. 0 ν+μ−λ+1 2 ν+μ+λ+1 ν−μ+λ+1 Γ 2 2 [Re(ν + μ + 1) > Re λ > 0, α > 0] αλ−1 Γ(λ) Γ J ν (αt) J μ (αt)t−λ dt = 2λ Γ −ν + μ + λ + 1 2 Γ MO 49, WA 441(2)a 3.∗ If μ − ν + λ + 1 (or ν − μ + λ + 1) is a negative integer, the right-hand side of equation 6.574 1 (or 6.574 3) vanishes. The cases in which the hypergeometric function F in 6.574 3 (or 6.574 1) can be reduced to an elementary function are then especially important. μ+ν−λ+1 ∞ βν Γ 2 J ν (αt) J μ (βt)t−λ dt = ν − μ + λ+1 0 2λ αμ−λ+1 Γ Γ(ν + 1) 2 ν + μ − λ + 1 −ν + μ − λ + 1 β2 , ; μ + 1; 2 ×F 2 2 α [Re(ν + μ − λ + 1) > 0, Re λ > −1, 0 < β < α] MO 50, WA 440(3)a If μ − ν + λ + 1 (or ν − μ + λ + 1) is a negative integer, the right-hand side of equation 6.754 1 (or 6.574 3) vanishes. The cases in which the hypergeometric function F in 6.754 3 (or 6.574 1) can be reduced to an elementary function are then especially important. 6.575 1.11 ∞ J ν+1 (αt) J μ (βt)tμ−ν dt = 0 0 = 2. 0 ∞ 2 ν−μ [α < β] α −β β Γ(ν − μ + 1) 2 2ν−μ αν+1 √ μ [α ≥ β] [Re(ν + 1) > Re μ > −1] MO 51 J ν (x) J μ (x) π Γ(ν + μ) dx = ν+μ xν+μ 2 Γ ν + μ + 12 Γ ν + 12 Γ μ + 12 [Re(ν + μ) > 0] KU 147(17), WA 434(1) 684 6.576 Bessel Functions ∞ 1. xμ−ν+1 J μ (x) K ν (x) dx = 0 1 2 6.576 Γ(μ − ν + 1) [Re μ > −1, Re(μ − ν) > −1] ET II 370(47) ∞ 2.11 aν b ν Γ ν + x−λ J ν (ax) J ν (bx) dx = 0 ∞ 3. 0 ∞ 4. ∞ 5. ν−λ+μ+1 ν−λ−μ+1 Γ 2 2 x−λ K μ (ax) J ν (bx) dx = λ+1 ν−λ+1 2 a Γ(1 + ν) ν−λ+μ+1 ν−λ−μ+1 b2 , ; ν + 1; − 2 ×F 2 2 a [Re (a ± ib) > 0, Re(ν − λ + 1) > |Re μ|] EH II 52(31), ET II 63(4), WA 449(1) 1−λ+μ+ν 1−λ−μ+ν 2−2−λ a−ν+λ−1 bν Γ Γ Γ(1 − λ) 2 2 1−λ+μ−ν 1−λ−μ−ν ×Γ Γ 2 2 1−λ+μ+ν 1−λ−μ+ν b2 , ; 1 − λ; 1 − 2 ×F 2 2 a [Re a + b > 0, Re λ < 1 − |Re μ| − |Re ν|] ET II 145(49), EH II 93(36) x−λ K μ (ax) K ν (bx) dx = −λ x − 12 λ + 12 μ + 12 ν Γ 12 − 12 λ − 12 μ + 12 ν 2λ+1 Γ(ν + 1)a−λ+ν+1 2 1 1 − λ + 12 μ + 12 ν, 12 − 12 λ − 12 μ + 12 ν; ν + 1; ab 2 2 2 [Re (ν + 1 − λ ± μ) > 0, a > b] EH II 93(35) π(ν − μ − λ) ∞ −λ 2 sin x K μ (ax) I ν (bx) dx π 2 0 Re λ > −1, Re (ν − λ + 1 ± μ) > 0] (see 6.576 5) EH II 93(37) bν Γ K μ (ax) I ν (bx) dx = 0 ×F ∞ 6. [a > b, 7. 0 ∞ 1 2 x−λ Y μ (ax) J ν (bx) dx = 0 8 ET II 47(4) bν Γ 0 1+λ 2 1 4ab 1−λ , ν + ; 2ν + 1; ν+ 2 2 (a + b)2 [a > 0, b > 0, 2 Re ν + 1 > Re λ > −1] 2λ (a + b)2ν−λ+1 Γ(ν + 1) Γ ×F 1−λ 2 xμ+ν+1 J μ (ax) K ν (bx) dx = 2μ+ν aμ bν Γ(μ + ν + 1) μ+ν+1 (a2 + b2 ) [Re μ > |Re ν| − 1, Re b > |Im a|] ET 137(16), EH II 93(36) 6.578 Bessel functions and powers 6.577 1.8 ∞ [a > 0, 2. ∞ dx = (−1)n cν−μ+2n I μ (ac) K ν (bc) x2 + c2 Re c > 0, 2 + Re μ − 2n > Re ν > −1 − n, n ≥ 0 an integer] ET II 49(13) dx = (−1)n cμ−ν+2n I ν (bc) K μ (ac) + c2 Re ν − 2n + 2 > Re μ > −n − 1, n ≥ 0 an integer] ET II 49(15) xν−μ+1+2n J μ (ax) J ν (bx) 0 8 b > a, xμ−ν+1+2n J μ (ax) J ν (bx) 0 [b > 0, 6.578 ∞ −1 x 1. a > b, x2 2−1 aλ bμ c−λ−μ− Γ J λ (ax) J μ (bx) J ν (cx) dx = ×F4 Re(λ + μ + ν + ) > 0, ∞ 2. = ∞ 3. 0 ∞ 4. 0 λ+μ−ν+ 2 λ+μ−ν+ λ+μ+ν+ a2 b 2 , ; λ + 1, μ + 1; 2 , 2 2 2 c c ∞ 5. Re <