Solve the equation: `2sin3ydx+3xcos3ydy=0`

The number of solutions in the interval [0, pi] of the equation sin^(3)x cos 3x+sin 3xcos^(3)x=0 is equal to

The number of solutions in the interval [0, pi] of the equation sin^(3)x cos 3x+sin 3xcos^(3)x=0 is equal to

Solve the differential equation xdx+ydy=0,

Solve the differential equation cos ydy+cos x sin ydx=0

Solve the equations : cot^2theta+3/(sin theta)+3=0

Solve the differential equation: ydx+(x-y^3)dy=0,y>0

Solve the following equation: \ 3cos^2theta-2\ sqrt(3)sinthetacostheta-3sin^2theta=0

Solve the following equation: \ 3cos^2theta-2\ sqrt(3)sinthetacostheta-3sin^2theta=0

Solve the following equation: \ 3cos^2theta-2\ sqrt(3)sinthetacostheta-3sin^2theta=0