Posted by Bill on .
Find dy/dx using implicit differentiation of xy + sin^2y=10350.
Is it y/(x+2siny)

Calculus 
Steve,
Hmm. I get sin2y
y + xy' = 2siny*cosy y' = 0
y' = y/(x + 2siny cosy)
= y/(x + sin2y)
don't forget that chain rule. . .