Question

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Answer 1

simplify the ratio of sin and Cos use identity

Answer 2

$\sin( \alpha^{6} ) + \cos( \alpha )^{6} + 3 \sin^{2} \alpha \cos^{2} \alpha \\ \(sin( \alpha^{2} ) + \cos( \alpha )^{2} )^{3} \\ {1}^{3} = 1 \\ lhs \: = rhs \\ hence \: proved$

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