Trigonométrie
+
cosinus
xsin us
y
π 6 π
4 π
3 π
2 2π
3π 3 5π 4
6
π
−5π 6 −3π
4 −2π
3 −π
2
−π 3
−π 4
−π 6
0
√3 2
√2 2 1 2
Trigonom´etrie
´
equations
cosx= cosa x=a+k2πou
x = −a+k2π
sinx= sina x= a+k2πou x=π−a+k2π quelques
formules
fonctions
d´eriv´ee (cosu)0=−u0sinu
(sinu)0 =u0cosu
p´eriode f(x+T) =f(x)
paire/impaire f(−x) = f(x) f(−x) = −f(x)
tanx= sinx cosx cos2x+ sin2x= 1
sin(a+b) = sinacosb+ cosasinb cos(a+b) = cosacosb−sinasinb
sico cosi, coco moins sisi
x y
−π −π2 π2 π
−1 1
0
Lyc´ee Blaise Pascal