Find (dy/dx) for the following implicitly defined function:

cos(x-2y) = 3y

for the answer, i got..
dy/dx = (-sin(x-2y)) / (3-2sin(x-2y))
but i'm not sure if it's right..

you are correct! good job

I had it as
sin(x-2y)/(2sin(x-2y) - 3) , which is the same thing.