defence exam INET Mock Test Mathematics Trigonometry Trigonometric Identities

Evaluate the expression: \(\sqrt {\frac{{1 + \;cos\theta }}{{1 - \;cos\theta }}} = \;?\)

1
\(cosec\theta - cot\theta\)
2
\(cosec\theta + cot\theta \)
3
\(\tan \theta - cot\theta\)
4
None of these
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