The value of \[\sin {{\cot }^{-1}}\tan {{\cos }^{-1}}x\]is equal to [Bihar CEE 1974]

The value of \[\sin {{\cot }^{-1}}\tan {{\cos }^{-1}}x\]is equal to

1.	The value of \[\sin {{\cot }^{-1}}\tan {{\cos }^{-1}}x\]is equal to [Bihar CEE 1974]
A.	x
B.	\[\frac{\pi }{2}\]
C.	1
D.	None of these
Answer» B. \[\frac{\pi }{2}\]

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The value of \[\sin {{\cot }^{-1}}\tan {{\cos }^{-1}}x\]is equal to [Bihar CEE 1974]

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