Inactive Tutor answered 12/02/13
Tutor
New to Wyzant
Differentiate both sides with respect to x implicitly,
2x+y^2+2xyy'+3y^2y' = -2csc^2y y'
Solve for y',
y' = -(2x+y^2)/(2xy+3y^2+2csc^2y) <==Answer