acos(x) %2B asin(x)=pi/2 – InterviewSolution

1.	acos(x) %2B asin(x)=pi/2
Answer» Let sin^-1 x = Ax = sin A = cos(pi/2 - A)cos^-1x = pi/2 - Acos^-1x = pi/2 - sin^-1xsin^-1x + cos^-1x = pi/2

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