\( \cot^{-1} 3 + \operatorname{cosec}^{-1}\sqrt{5} \) এর মান কত?

A \( -\frac{\pi}{4} \)

B \( \frac{\pi}{4} \)

C \( \frac{1}{2} \)

D \( -\frac{1}{2} \)

Solution

Correct Answer: Option B

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