Ive been banging my head on this one for 30 minutes.. xsin(y) = cos(x+y) , then find y'
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Originally Posted by alny Ive been banging my head on this one for 30 minutes.. xsin(y) = cos(x+y) , then find y' First, the left side using the product rule: Now the other side: So we now have: At this point is it an algebra problem to solve for . Can you finish this?
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