fonction tangente

tan x6=. . .
tan(x) = sin(x)
cos(x)
Dtan =. . .
A(0,1)
tan α=sin α
cos α
−1−1
2
1
−1
−1
2
1
2
1
α
sin α
cos α
tan α=sin α
cos α
tan . . .
x∈Dtan =. . .
tan(x+. . .) = . . .
. . .
I=i−π
2;π 2h
tan
x∈Dtan =. . .
tan(−x) = . . .

•tan π . . .
•tan . . .
tan Dtan tan0(x) = 1
cos2(x)= 1 + tan2(x)
tan sin cos
tan0(x) = . . .
tan i−π
2+kπ;π 2+kπhk∈Z
h0; π
2h
•tan(0) = . . .
•π
2
−
lim
x→π
2
sin(x) = 1
lim
x→π
2
−
cos(x) = 0+
lim
x→π
2
−
tan(x) = . . .

x0π
2
tan0(x)
tan
tan(x)
xπ
6
π
4
π
3
tan(x)
sin(x)
cos(x)
x
f(x)
−π−3π
4−π
2−π 4
π
4
π
2
3π
4
π5π
4
3π
2
7π
4
2π
1
0
−4
−3
−2
−1
1
2
3
4