Trig Flashcards
1
Q
tanx
A
sinx/cosx
2
Q
cos²x + sin²x
A
1
3
Q
cotx
A
cosx/sinx
4
Q
sec²x
A
tan²x + 1
5
Q
cosec²x
A
cot²x + 1
6
Q
sin2x
A
2sinxcosx
7
Q
cos2x
A
cos²x - sin²x
2cos²x - 1
1 - 2sin²x
8
Q
tan2x
A
(2tanx)/(1 - tan²x)
9
Q
sin2x
A
2sinxcosx
10
Q
cos2x
A
cos²x-sin²x
2cos²x-1
1-2sin²x
11
Q
tan2x
A
(2tanx)/(1-tan²x)