What is the simplified value of (\frac{1}{cosec\:\theta + \cot ⁡\theta }) ^{2}?

Correct Answer is : (1 - cos θ)/ (1 + cos θ)

SSC CPO 1 July 2017 Shift 1 Paper

Question : 142 of 200

Marks: +1, -0

What is the simplified value of

(\;{1}/{cosec\:θ\;\;+\;\cot\;⁡θ\;}) ^{2}?

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