MCQ
$\sqrt{\frac{1+\cos A}{1-\cos A}}=$
  • A
    $\operatorname{cosec} A-\cot A$
  • $\operatorname{cosec} A+\cot A$
  • C
    $\operatorname{cosec} A \cdot \cot A$
  • D
    $\sin A \cdot \tan A$

Answer

Correct option: B.
$\operatorname{cosec} A+\cot A$
B

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