`tan^(-1)(1)+cos^(-1)((1)/(2))+sin^(-1)((1)/(2))=`A. `(pi)/(4)`B. `(3p – InterviewSolution

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1.	`tan^(-1)(1)+cos^(-1)((1)/(2))+sin^(-1)((1)/(2))=`A. `(pi)/(4)`B. `(3pi)/(4)`C. `(pi)/(12)`D. `(2pi)/(3)`
Answer» Correct Answer - B

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