If \( \operatorname{cosec} \theta=\frac{p+q}{p-q} \), then \( \cot (\pi / 4+\theta / 2)= \) (A) ...
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1If \( \operatorname{cosec} \theta=\frac{p+q}{p-q} \), then \( \cot (\pi / 4+\theta / 2)= \)
(A) \( \sqrt{\frac{p}{q}} \)
(B) \( \sqrt{\frac{q}{p}} \)
(C) \( \sqrt{p q} \)
(D) \( p q \)
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