A) \[\frac{5\pi }{3}\]
B) \[-\frac{5\pi }{3}\]
C) \[-\frac{\pi }{3}\]
D) \[\frac{4\pi }{3}\]
Correct Answer: C
Solution :
\[{{\sin }^{-1}}\,\left( \sin \frac{5\pi }{3} \right)={{\sin }^{-1}}\,\left( -\frac{\sqrt{3}}{2} \right)=-\frac{\pi }{3}\].
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