\[ y(x) \sin ^2(x) y'(x)+y(x)^2 \sin (x) \cos (x)-1=0 \] ✓ Mathematica : cpu = 0.315005 (sec), leaf count = 36
\[\left \{\left \{y(x)\to -\sqrt {2 x+c_1} \csc (x)\right \},\left \{y(x)\to \sqrt {2 x+c_1} \csc (x)\right \}\right \}\] ✓ Maple : cpu = 0.041 (sec), leaf count = 32
\[\left \{y \left (x \right ) = \frac {\sqrt {c_{1}+2 x}}{\sin \left (x \right )}, y \left (x \right ) = -\frac {\sqrt {c_{1}+2 x}}{\sin \left (x \right )}\right \}\]