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Solve the following initial value proble...

Solve the following initial value problem: `cosy(dy)/(dx)=e^x ,\ y(0)=pi/2`

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`` given: `cos y frac{d y}{d x}=e^{x}`
`` Find: Find the particular solution of this differential equation.
On equating we get,
`` `=>cos y d y=e^{x} d x`
`` ...
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