Math, asked by paporirai3984, 1 year ago

((sin7A-sin3A)/(cos7A+cos3A))=tan5A

Answers

Answered by Gautam22121998

2

{2cos5A.sin2A}{2cos5Acos2A}= tan5A

4cos²5Asin2Acos2A=sin5A/cos5A

4cos³5Asin2Acos2A=sin5A

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