Fine the principal value of \(\cot^{-1}(-\sqrt{3}) ?\) – McqOptions

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1.	Fine the principal value of \(\cot^{-1}(-\sqrt{3}) ?\)
A.	\(\dfrac{\pi}{2}\)
B.	\(\dfrac{\pi}{6}\)
C.	\(\dfrac{7\pi}{6}\)
D.	\(\dfrac{5\pi}{6}\)
Answer» E.

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