Question

Prove that :
$\ \frac{1}{ \csc( \alpha ) \: - \cot( \alpha ) } - \frac{1}{ \sin( \alpha ) } = \frac{1 }{ \sin( \alpha ) } - \frac{1}{ \csc( \alpha ) + \cot( \alpha ) }$
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Answer 1

Answer:

Step-by-step explanation:who see it in 2020 hit thanks