Math, asked by triptiagrawal03, 11 months ago

(Prove that): 2sin2(90° - A) = 1 + COS2A

Answers

Answered by prasadghosh235

4

Answer:

2sin²(90°-A)

=2{sin(90°-A)}²

=2cos²A

=1+cos2A

(Proved)

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