Question

Cut square theta minus one upon sin square Thea. Write the value of thes

Answer 1

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Answer 2

$\: \: \: \: { \cot }^{2} \alpha - \frac{1}{ { \sin}^{2} \alpha } \\ = \frac{ { \cos }^{2} \alpha }{ {sin}^{2} \alpha } - \frac{1}{ { \sin }^{2} \alpha } \\ = \frac{ { \cos }^{2} \alpha - 1 }{ { \sin }^{2} \alpha } \\ = \frac{ { \sin}^{2} \alpha }{ { \sin }^{2} \alpha } \\ = 1$



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