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## Homework Statement

find dy/dx

## Homework Equations

x+tanxy=0

## The Attempt at a Solution

d/dy(x+tanxy)

x+sec^2(xy)((1)(dy/dx))+(1)(tanxy)=0

dy/dx(sec^2(xy)+x+tanxy=0

-x-tanxy -x-tanxy

dy/dx(sec^2(xy)/(sec^2(xy)=(-x-tanxy)/(sec^2(xy))

dy/dx=(-x-tanxy)/(sec^2xy)