\[
\boxed{
 \left( b+a \left( \sin \left( y \left( x \right)  \right)  \right) ^{2} \right) {\frac {{\rm d}^{2}}{{\rm d}{x}^{2}}}y \left( x \right) +a \left( {\frac {\rm d}{{\rm d}x}}y \left( x \right)  \right) ^{2}\cos \left( y \left( x \right)  \right) \sin \left( y \left( x \right)  \right) +Ay \left( x \right)  \left( c+a \left( \sin \left( y \left( x \right)  \right)  \right) ^{2} \right) =0}
\]