compound angles Flashcards
1
Q
sin2x
A
2sinxcosx
2
Q
cos 2x - normal
A
cos^2x - sin^2x
3
Q
cos 2x with sin
A
1-2sin^2x
4
Q
cos2x with cos
A
2cosx -1
5
Q
tan2x
A
2tanx/1-tan^2
sin2x
2sinxcosx
cos 2x - normal
cos^2x - sin^2x
cos 2x with sin
1-2sin^2x
cos2x with cos
2cosx -1
tan2x
2tanx/1-tan^2