If sin^-1 x + sin^-1 y = (2pi)/3, then c...

If `sin^-1 x + sin^-1 y = (2pi)/3,` then `cos^-1 x + cos^-1 y =`

A

(a) `(2pi)/(3)`

B

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

C

(c) `(pi)/(6)`

D

(d) `pi`

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The correct Answer is:

B

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