Math, asked by Shailendra1111, 1 year ago

if sinA+sincubeA=cossquareA prove that cos to the power 6 A -4costothepower4A+8cossquareA=4

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Answered by ArnabDas

2

I hope this answer will be help you......

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KaranSingh11: correct answer but we can do it in easy way by squaring thr givrn first question by both side

ArnabDas: It is wrong method.

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