2theta Flashcards
1
Q
sin2theta
A
2sinthetacostheta = 2tantheta / 1- tan^2 theta
2
Q
cos2theta
A
cos^2theta - sin^2 theta = 1-tan^2theta / 1+tan^2 theta
3
Q
tan2theta
A
2tan theta / 1- tan^2theta
sin2theta
2sinthetacostheta = 2tantheta / 1- tan^2 theta
cos2theta
cos^2theta - sin^2 theta = 1-tan^2theta / 1+tan^2 theta
tan2theta
2tan theta / 1- tan^2theta