Question Number 5628 by sanusihammed last updated on 23/May/16
$${If}\:\:\:{siny}\:=\:{xsin}\left({a}\:+\:{y}\right) \\ $$$$ \\ $$$${Show}\:{that}\:\:\frac{{dy}}{{dx}}\:\:=\:\:\frac{{sin}^{\mathrm{2}} \left({a}\:+\:{y}\right)}{{sina}} \\ $$$$ \\ $$$$ \\ $$$${Please}\:{help}.\:{Thanks}\:{in}\:{advance}. \\ $$