defence exam INET Mock Test Mathematics Trigonometry Multiple and Sub-multiple Angles

What is cot A + cosec A equal to?

1
\(\tan \left( \frac{A}{2} \right)\)
2
\(\cot \left( \frac{A}{2} \right)\)
3
\(2\tan \left( \frac{A}{2} \right)\)
4
\(2\cot \left( \frac{A}{2} \right)\)
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