Question

1 + sec A / sec A = sin square A / 1- cos A. Prove it.
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Answer 1

The solution is in attached pic.

Answer 2

Answer:

Proved

Step-by-step explanation:

$=\frac{1 + \frac{1}{cos A}}{\frac{1}{cos A}}\\=cos A + 1\\= \frac{(1 + cos A)*(1 - cos A)}{1 - cos A} \\= \frac{1 - cos^{2} A }{1 - cos A} \\= \frac{sin^{2} A }{1 - cos A}$