double angle formula Flashcards
1
Q
sin2A=
A
2sinA cosA
2
Q
cos2A=
A
cos^2A - sin^2A
1 - 2sin^2A
2cos^2A - 1
3
Q
tan2A=
A
2tanA / 1-tan^2A
mathhhhh > double angle formula > Flashcards
sin2A=
2sinA cosA
cos2A=
cos^2A - sin^2A
1 - 2sin^2A
2cos^2A - 1
tan2A=
2tanA / 1-tan^2A