If sin^(-1)x+cos^(-1)y=(2pi)/(5),"then "...

If `sin^(-1)x+cos^(-1)y=(2pi)/(5),"then "cos^(-1)x+sin^(-1)y =`

A

(a) `(2pi)/(5)`

B

(b) `(3pi)/(5)`

C

(c) `(4pi)/(5)`

D

(d) `(3pi)/(10)`

Verified by Experts

The correct Answer is:

B

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