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solve (cosx tany +cos(x+y))dx + (sin x sec 2 y+cos(x+y))dy=0

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differential equation topic

solve (cosx tany +cos(x+y))dx + (sin x sec 2 y+cos(x+y))dy=0

differential-equation
derivatives

asked Mar 11, 2014 in CALCULUS by linda Scholar

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1 Answer

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It is a first order non linear differential equation and it is in the form .

Here

Now

Since , the equation is an exact differential equation.

The general solution of an exact equation is

The solution is

answered Apr 14, 2014 by Johncena Apprentice

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