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I have to use implicit differentiation to find $\frac{dy}{dx}$ given:

$$x^2 \cos(y) + \sin(2y) = xy$$

I don't even know where to begin, I missed the class where we went over implicit differentiation, and because of that, I am completely stuck.

Thank you everyone.

Edit: I don't know how to make the equation look all nice and whatnot, so sorry about that

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    Have you looked at http://en.wikipedia.org/wiki/Implicit_differentiation#Implicit_differentiation ? It gives a description and some examples.2011-05-16
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    To make the equations pretty, you enclose $\LaTeX$ in dollar signs. If you right click on any example and select "Show Source" you can see how it was done.2011-05-16
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    If you are you familiar with partial derivatives you can differentiate with respect to $x$ the function $F(x,y)=x^2\cos(y)+\sin(2y)-xy\equiv 0$.2011-05-16

4 Answers 4