If `x in[0, 1]`, then `(1)/(2)cos^(-1)((1-x)/(1+x))=`A. `tan^(-1)x`B. – InterviewSolution

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1.	If `x in[0, 1]`, then `(1)/(2)cos^(-1)((1-x)/(1+x))=`A. `tan^(-1)x`B. `tan^(-1)(sqrt(x))`C. `(1)/(2)tan^(-1)x`D. `(1)/(2)tan^(-1)(sqrt(x))`
Answer» Correct Answer - B

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