AubameyangBolt
AubameyangBolt AubameyangBolt
  • 22-06-2022
  • Mathematics
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Using separation of variables technique, solve the following differential equation with initial condition y'= e sinx and y(pi) = 0. The solution is: ​

Using separation of variables technique solve the following differential equation with initial condition y e sinx and ypi 0 The solution is class=

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konrad509
konrad509 konrad509
  • 22-06-2022

[tex]\begin{aligned}&y'=e^y\sin x\\&\dfrac{dy}{dx}=e^y\sin x\\&\dfrac{dy}{e^y}=\sin x\, dx\\&\int \dfrac{dy}{e^y}=\int \sin x\, dx\\&-e^{-y}=-\cos x+C\\&e^{-y}=\cos x+C\\\end[/tex]

[tex]e^{-0}=\cos \pi +C\\1=1+C\\C=0\\\\\boxed{\boxed{e^{-y}=\cos x}}[/tex]

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