Fonctions trigo Flashcards
(54 cards)
1
Q
cos(0)
A
1
2
Q
sin(0)
A
0
3
Q
tan(0)
A
0
4
Q
cos(π/6)
A
sqrt(3)/2
5
Q
sin(π/6)
A
1/2
6
Q
tan(π/6)
A
1/sqrt(3)
7
Q
cos(π/4)
A
sqrt(2)/2
8
Q
sin(π/4)
A
sqrt(2)/2
9
Q
tan(π/4)
A
1
10
Q
cos(π/3)
A
1/2
11
Q
sin(π/3)
A
sqrt(3)/2
12
Q
tan(π/3)
A
sqrt(3)
13
Q
cos(π/2)
A
0
14
Q
sin(π/2)
A
1
15
Q
tan(π/2)
A
Pas possible
16
Q
sin(2π+x)
A
sin(x)
17
Q
sin(π+x)
A
-sin(x)
18
Q
sin(π-x)
A
sin(x)
19
Q
sin((π/2)+x)
A
cos(x)
20
Q
sin((π/2)-x)
A
cos(x)
21
Q
sin(-x)
A
-sin(x)
22
Q
cos(2π+x)
A
cos(x)
23
Q
cos(π+x)
A
-cos(x)
24
Q
cos(π-x)
A
-cos(x)
25
cos((π/2)+x)
-sin(x)
26
cos((π/2)-x)
sin(x)
27
cos(-x)
cos(x)
28
tan(2π+x)
tan(x)
29
tan(π+x)
tan(x)
30
tan(π-x)
-tan(x)
31
tan((π/2)+x)
-1/tan(x)
32
tan((π/2)-x)
1/tan(x)
33
tan(-x)
-tan(x)
34
tan(a)
sin(x)/cos(x)
35
tan(2a)
2tan(a)/(1-tan²(a))
36
tan(a+b)
(tan(a)+tan(b))/(1-tan(a)tan(b))
37
tan²(a)+1
1/cos²(a)
38
cos²(a)+sin²(a)
1
39
sin(a+b)
sin(a)cos(b)+cos(a)sin(b)
40
sin(a-b)
sin(a)cos(b)-cos(a)sin(b)
41
cos(a+b)
cos(a)cos(b)-sin(a)sin(b)
42
cos(a-b)
cos(a)cos(b)+sin(a)sin(b)
43
sin(2a)
2sin(a)cos(a)
44
cos(2a)
cos²(a)-sin²(a) = 2cos²(a)-1 = 1-2sin²(a)
45
sin(a)sin(b)
1/2(cos(a-b)-cos(a+b))
46
cos(a)cos(b)
1/2(cos(a+b)+cos(a-b))
47
sin(a)cos(b)
1/2(sin(a+b)+sin(a-b))
48
cos²(a)
(1+cos(2a))/2
49
sin²(a)
(1-cos(2a))/2
50
sin(a)cos(a)
sin(2a)/2
51
sin(a)+sin(b)
2sin((a+b)/2)cos((a-b)/2)
52
cos(a)+cos(b)
2cos((a+b)/2)cos((a-b)/2)
53
sin(a)-sin(b)
2cos((a+b)/2)sin((a-b)/2)
54
cos(a)-cos(b)
-2sin((a+b)/2)sin((a-b)/2)
