Trigonometry Flashcards
1
Q
sin2θ + cos2θ
A
1
2
Q
sin2θ
A
1-cos2θ
3
Q
1-cos2θ
A
sin2θ
4
Q
cos2θ
A
1-sin2θ
5
Q
1-sin2θ
A
cos2θ
6
Q
tanθ
A
sinθ/cosθ
7
Q
sinθ/cosθ
A
tanθ
8
Q
cotθ
A
cosθ/sinθ
9
Q
cosθ/sinθ
A
cotθ
10
Q
secθ
A
1/cosθ
11
Q
1/cosθ
A
secθ
12
Q
cosecθ
A
1/sinθ
13
Q
1/sinθ
A
cosecθ
14
Q
1+tan2θ
A
sec2θ
15
Q
sec2θ
A
1+tan2θ
16
Q
Sec2θ-tan2θ
A
1
17
Q
Tan2θ
A
Sec2θ-1
18
Q
Sec2θ-1
A
Tan2θ
19
Q
1+cot2θ
A
cosec2θ
20
Q
cosec2θ
A
1+cot2θ
21
Q
cosec2θ-cot2θ
A
1
22
Q
cot2θ
A
cosec2θ-1
23
Q
cosec2θ-1
A
cot2θ
24
Q
sin(-x)
A
-sin(x)
25
-sin(x)
sin(-x)
26
cos(-x)
cos(x)
27
cos(x)
cos(-x)
