If (x+1)/(x^(3)+x)=A/x +(Bx+C)/(x^(2)+1...

If `(x+1)/(x^(3)+x)=A/x +(Bx+C)/(x^(2)+1)`, then find the principal value of `sin^(-1)(A/B)`.

Verified by Experts

The correct Answer is:

`- pi/2`

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