Trigonométrie Flashcards
1
Q
π/6
30°
A
(√3/2, 1/2)
2
Q
π/4
45°
A
(√2/2, √2/2)
3
Q
π/3
60°
A
(1/2, √3/2)
4
Q
2π/3
120°
A
(-1/2, √3/2)
5
Q
3π/4
135°
A
(-√2/2, √2/2)
6
Q
5π/6
150°
A
(-√3/2, 1/2)
7
Q
π/2
90°
A
(0,1)
8
Q
π
180°
A
(1,0)
9
Q
tanθ
A
sinθ/cosθ
10
Q
cotanθ
A
cosθ/sinθ = 1/tanθ
11
Q
secθ
A
1/cosθ
12
Q
cosecθ
A
1/sinθ
13
Q
sin2θ
A
2sinθcosθ
14
Q
cos2θ
A
Cos2θ-sin2θ
15
Q
sin’2θ
A
1 - cos’2θ
