The value of the expression \[{{\sin }^{-1}}\left( \sin \frac{22\pi }{7} \right)\]\[{{\cos }^{-1}}\left( \cos \frac{5\pi }{3} \right)\]+\[{{\tan }^{-1}}\left( \tan \frac{5\pi }{3} \right)\]+\[{{\sin }^{-1}}(cos2)\]is

The value of the expression \[{{\sin }^{-1}}\left( \sin \frac{22\pi }{

1.	The value of the expression \[{{\sin }^{-1}}\left( \sin \frac{22\pi }{7} \right)\]\[{{\cos }^{-1}}\left( \cos \frac{5\pi }{3} \right)\]+\[{{\tan }^{-1}}\left( \tan \frac{5\pi }{3} \right)\]+\[{{\sin }^{-1}}(cos2)\]is
A.	\[\frac{17\pi }{42}-2\]
B.	\[-\,2\]
C.	\[\frac{-\pi }{21}-2\]
D.	none of these
Answer» B. \[-\,2\]

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The value of the expression \[{{\sin }^{-1}}\left( \sin \frac{22\pi }{7} \right)\]\[{{\cos }^{-1}}\left( \cos \frac{5\pi }{3} \right)\]+\[{{\tan }^{-1}}\left( \tan \frac{5\pi }{3} \right)\]+\[{{\sin }^{-1}}(cos2)\]is

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