\[\int_{0}^{1}{{{\cos }^{-1}}x\,dx=}\] – McqOptions

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1.	\[\int_{0}^{1}{{{\cos }^{-1}}x\,dx=}\] [DSSE 1988]
A.	0
B.	1
C.	2
D.	None of these
Answer» C. 2

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