Math, asked by rauhanika658, 1 year ago

prove that (sinA+cosA)² = 1+sin2A

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Answered by rehan234
3
hope this will help u out
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Answered by sumitupdhyay
2
sin2a+ cos2a+2sinacosa,,,,,sin2a+ cos2a= 1,,so,1+ 2sinacosa= 1+ sin2a
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