Trig Identities Flashcards
1
Q
Sin²x
A
1-cos²x
2
Q
SinX/CosX
A
TanX
3
Q
1+tan²x
A
Sec²x
4
Q
1+cot²x
A
cosec²x
5
Q
Sin2x
A
2SinxCosx
6
Q
Cos2x
A
Cos²x-Sin²x
2cos²x-1
1-2sin²x
7
Q
Tan2x
A
2tanx/1-tan²x