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  • Find a particular solution satisfying the given condition: dy/dx = y tan x; y = 1 when x = 0

14.Find a particular solution satisfying the given condition:

        \frac{dy}{dx} = y\tan x; \ y =1\ \textup{when}\ x = 0

Answers (1)

best_answer

Given,

\frac{dy}{dx} = y\tan x

\\ \implies \int \frac{dy}{y} = \int \tan x\ dx \\ \implies \log y = \log \sec x + \log k \\ \implies y = k\sec x

Now, y=1 when x =0

1 = ksec0

\implies k = 1

Putting the vlue of k:

y = sec x

 

Posted by

HARSH KANKARIA

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