# OCR A Level: Core 4 - Differential Equations [June 2012 Q4]

Calculus Level pending

Solve the differential equation $\large e^{2y} \dfrac{dy}{dx} + \tan x = 0$ given that $$x=0$$ when $$y=0$$. Give your answer in the form $$y= f(x)$$.

If $$f(2 \pi) = a$$, input $$a$$ as your answer.

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