Math, asked by aleteacher1112, 1 year ago

prove cos 2a / 1+ 2sin a = 1-tan a / 1 + tan a

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Answered by brunoconti

0

Answer:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

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