Question

rewrite the expression as an algebraic function of x and y

sin(cos^(-1)(x)tan^(-1)(y))

Answer 1

\[\sin(\cos^{-1} (x)\tan^{-1} (y))\]

Answer 2

maybe
\[\sin(\cos^{-1} (x)+\tan^{-1} (y))\]?? otherwise i don't think you are going to get an expression in x