\[ \sin (x) \cos (x) y'(x)-y(x)-\sin ^3(x)=0 \] ✓ Mathematica : cpu = 0.0313304 (sec), leaf count = 15
\[\{\{y(x)\to -\sin (x)+c_1 \tan (x)\}\}\] ✓ Maple : cpu = 0.028 (sec), leaf count = 13
\[y \relax (x ) = \left (-\cos \relax (x )+c_{1}\right ) \tan \relax (x )\]