trigonometric identities Flashcards
1
Q
cot(pi-x)
A
tan(x)
2
Q
cos^2(x)
A
1-sin^2(x)
3
Q
tan(x)
A
sin/cos
4
Q
cos(pi-x)
A
sin(x)
5
Q
cot(x)
A
cos/sin
6
Q
sec(pi-x)
A
csc(x)
7
Q
cot^2(x)
A
csc^2(x)-1
8
Q
csc(pi-x)
A
sec(x)
9
Q
sec(x)
A
1/cos(x)
10
Q
tan^2(x)
A
sec^2(x)-1
11
Q
1
A
cos^2(x)+sin^2(x)
12
Q
sin(-x)
A
-sinx
13
Q
csc(x)
A
1/sin(x)
14
Q
sec^2(x)
A
1+tan^2(x)
15
Q
csc^2(x)
A
1+cot^2(x)
