MCQ
$\sin ^{-1} x+\sin ^{-1} y=$
- A$\sin ^{-1}\left\{x \sqrt{1-y^2}-y \sqrt{1-x^2}\right\}$
- ✓$\sin ^{-1}\left\{x \sqrt{1-y^2}+y \sqrt{1-x^2}\right\}$
- C$\sin ^{-1}\left\{x \sqrt{1+y^2}+y \sqrt{1+x^2}\right\}$
- D$\sin ^{-1}\left\{x \sqrt{1+y^2}-y \sqrt{1+x^2}\right\}$