What is the simplified value of \(\sqrt {\frac{{cosec\;A

Question

What is the simplified value of \(\sqrt {\frac{{cosec\;A - 1}}{{cosec\;A + 1}}} \) ?

Options:

A . cosec A

B . sec A – tan A

C . cosec 2A

D . tan A - cosec A

Answer: Option B

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