2theta Flashcards

1
Q

sin2theta

A

2sinthetacostheta = 2tantheta / 1- tan^2 theta

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2
Q

cos2theta

A

cos^2theta - sin^2 theta = 1-tan^2theta / 1+tan^2 theta

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3
Q

tan2theta

A

2tan theta / 1- tan^2theta

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