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Simplify Isinan 1 + cotn
0.44pm z Instructions iz consists of two essay questions each worth 5 points, totaling 10 points. It is untimed and ted in on
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Answer #1

1-sin^2x is cos^2x.

1+ cot^2x is cosec^2x.

Therefore, the final fraction stands as

cos^2x/cosec^2x = cos^2x . sin^2x = (cosx. sin X)^2

= {(1/2)(sin2x)}^2 =(1/4)*(sin^2 2x).

True.

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