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The general solution of the differential equation \(\sec^2 x\tan ydx+\sec^2 y \tan xdy=0\) is |
\(\tan x=c\) \(\tan x\tan y=c\) \(\sec x\sec y=c\) \(\frac{\tan x}{\tan y}=c\) |
\(\tan x\tan y=c\) |
The given differential equation is separable. |
