If \[\sin \left( {{\sin }^{-1}}\frac{1}{5}+{{\cos }^{-1}}x \right)=1\], then what is x equal to?

If \[\sin \left( {{\sin }^{-1}}\frac{1}{5}+{{\cos }^{-1}}x \right)=1\]

1.	If \[\sin \left( {{\sin }^{-1}}\frac{1}{5}+{{\cos }^{-1}}x \right)=1\], then what is x equal to?
A.	0
B.	1
C.	\[\frac{4}{5}\]
D.	\[\frac{1}{5}\]
Answer» E.

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If \[\sin \left( {{\sin }^{-1}}\frac{1}{5}+{{\cos }^{-1}}x \right)=1\], then what is x equal to?

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