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## Homework Statement

If x tan y − y tan x = 1, use implicit differentiation to determine dy/dx, expressing your answer in the form

dy/dx = f(x, y),

## The Attempt at a Solution

Differentiate first with respect to x, and then y as a function of x

1.sec

^{2}(y) + x.sec

^{2}(dy/dx) - y.sec

^{2}(1) + dy/dx.sec

^{2}(x) = 0

If correct, it is still meaningless to me. What exactly am I trying to acheive here?