Question

$\huge\sf\pink{Prove}$
$1) \: \: \frac{1}{sin \: a + cos \: a +1} +\frac{1}{sin \: a \: + cos \: a -1} = \sec \: a + cosec \: a$
$\frac{tan \: a}{1 - cot \: a} + \: \frac{cot \: a}{1 - tan \: a} = 1 + sec \: a \: \: \times \: cosec \: a$
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Answer 1

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