1.

If \[\sin \left( {{\sin }^{-1}}\frac{1}{5}+{{\cos }^{-1}}x \right)=1\],then x is equal to [MNR 1994; Kerala (Engg.) 2005]

A. 1
B. 0
C. \[\frac{4}{5}\]
D. \[\frac{1}{5}\]
Answer» E.


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