\[\cos \text{ }\left[ {{\cos }^{-1}}\text{ }\left( \frac{-1}{7} \right)+{{\sin }^{-1}}\text{ }\left( \frac{-1}{7} \right) \right]=\] [EAMCET 2003]

\[\cos \text{ }\left[ {{\cos }^{-1}}\text{ }\left( \frac{-1}{7} \right

1.	\[\cos \text{ }\left[ {{\cos }^{-1}}\text{ }\left( \frac{-1}{7} \right)+{{\sin }^{-1}}\text{ }\left( \frac{-1}{7} \right) \right]=\] [EAMCET 2003]
A.	\[-1/3\]
B.	0
C.	\[1/3\]
D.	\[4/9\]
Answer» C. \[1/3\]

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\[\cos \text{ }\left[ {{\cos }^{-1}}\text{ }\left( \frac{-1}{7} \right)+{{\sin }^{-1}}\text{ }\left( \frac{-1}{7} \right) \right]=\] [EAMCET 2003]

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