\[{{\cot }^{-1}}3+\text{cose}{{\text{c}}^{-1}}\sqrt{5}\]=

1.	\[{{\cot }^{-1}}3+\text{cose}{{\text{c}}^{-1}}\sqrt{5}\]=
A.	\[\frac{\pi }{3}\]
B.	\[\frac{\pi }{4}\]
C.	\[\frac{\pi }{6}\]
D.	\[\frac{\pi }{2}\]
Answer» C. \[\frac{\pi }{6}\]

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\[{{\cot }^{-1}}3+\text{cose}{{\text{c}}^{-1}}\sqrt{5}\]=

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