If sin^(-1)x=pi/5for some x in (-1,1), ...

If `sin^(-1)x=pi/5`for some `x in (-1,1),` then find the value of `cos^(-1)xdot`

A

(a) `(3pi)/(10)`

B

(b) `(5pi)/(10)`

C

(c) `(7pi)/(10)`

D

(d) `(9pi)/(10)`

Verified by Experts

The correct Answer is:

A

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