Show that $an$ implicit solution $of$

$2xsi{n}^2(y)dx-(x^2+18)cos(y)dy=0$

$is$ given $byln(x^2+18)+csc(y)=C.$

Differentiating $ln(x^2+18)+csc(y)=Cwe$ get $\frac{2x}{x^2+18}+(,)\frac{dy}{dx}=0or2xsi{n}^2(y)dx+(,)dy=0k$ represent $an$ arbitrary integer.$y=$