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How do I solve this problem?By using the pythagorean identities.

How do I solve this problem?By using the pythagorean identities.-example-1
User Roy Lee
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1 Answer

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Given the equation:


\sin ^2x(\csc ^2x-1)

Using the Pythagorean identities

so,


\csc ^2x-1=\cot ^2x

so, the equation will be:


\begin{gathered} \sin ^2x\cdot\cot ^2x \\ \\ =\sin ^2x\cdot(\cos ^2x)/(\sin ^2x) \\ \\ =\cos ^2x \end{gathered}

User TheLovelySausage
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