Math, asked by jumanrain512, 9 months ago

prove that: sin4a/2sin2a=cos^2a - sin^2a

Answers

Answered by JaveriaShehnaz

2

Answer:

cos^2a - sin^2a

Step-by-step explanation:

sin4a/2sin2a

2sin2acos2a/2sin2a

cos2a

cos^2a - sin^2a

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