The value of \( \cot ^{-1} 3+\operatorname{cosec}^{-1+} \sqrt{5} \) is (a) \( \frac{\pi}{3} \) (...

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The value of \( \cot ^{-1} 3+\operatorname{cosec}^{-1+} \sqrt{5} \) is
(a) \( \frac{\pi}{3} \)
(b) \( \frac{\pi}{2} \)
(c) \( \frac{\pi}{4} \)
(d) none of these
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