KcetInverse Trigonometric FunctionsKCET 2018MCQ+1 / -02018If $\sin ^{-1} x+\cos ^{-1} y=\frac{2 \pi}{5}$, then $\cos ^{-1} x+\sin ^{-1} y$ isA$\frac{2 \pi}{5}$B$\frac{3 \pi}{5}$C$\frac{4 \pi}{5}$D$\frac{3 \pi}{10}$Check AnswerClear SelectionReveal AnswerShow Explanation