Trigonometry Functions and Review Flashcards
0
Q
1/sec x
A
cos x
1
Q
1/csc x
A
sin x
2
Q
1/cot x
A
tan x
3
Q
1/sin x
A
csc x
4
Q
1/cos x
A
sec x
5
Q
1/tan x
A
cot x
6
Q
sin² x + cos² x
A
1
7
Q
1 + cot² x
A
csc² x
8
Q
tan² x + 1
A
sec² x
9
Q
sin² x
A
1 - cos² x
10
Q
tan² x
A
sec² x - 1
11
Q
cot² x
A
csc² x - 1
12
Q
cos² x
A
1 - sin² x
13
Q
sec² x - tan² x
A
1
14
Q
csc² x - cot² x
A
1
15
Q
sin u cos v ± sin v cos u
A
sin (u ± v)
16
Q
cos u cos v ± -(sin u sin v)
A
cos (u ± v)
17
Q
tan u ± tan v / 1 ± -(tan u tan v)
A
tan (u ± v)
18
Q
2 sin x cos x
A
sin (x + x)
19
Q
1 - 2sin² x
A
cos 2x
20
Q
2cos² x - 1
A
cos 2x
21
Q
tan 2x
A
2 tan x / 1 - tan² x
22
Q
cos² x - sin² x
A
cos 2x
