The principal value of \[{{\sin }^{-1}}\left[ \sin \left( \frac{2\pi }{3} \right) \right]\]is [IIT 1986]

The principal value of \[{{\sin }^{-1}}\left[ \sin \left( \frac{2\pi }

1.	The principal value of \[{{\sin }^{-1}}\left[ \sin \left( \frac{2\pi }{3} \right) \right]\]is [IIT 1986]
A.	\[-\frac{2\pi }{3}\]
B.	\[\frac{2\pi }{3}\]
C.	\[\frac{4\pi }{3}\]
D.	None of these
Answer» E.

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The principal value of \[{{\sin }^{-1}}\left[ \sin \left( \frac{2\pi }{3} \right) \right]\]is [IIT 1986]

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