Question

( cosec A + cot A ) ( 1 - cos A ) = sin A
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Answer 1

Answer:

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Answer 2

Answer:

${\huge{\boxed{\red{\mathscr{SolutioN}}}}}$

$= (cosec \: A \: + \: cot \: A \: )(1 - cos \: A)$

$= ( \frac{1 + \: cos \: A}{sin \: A})(1 - cos \: A \: )$

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

$= \frac{sin {}^{2} A}{sin \: A}$

$= sin \: A$