THE THAT Exl. Evaluate le cos (e“)d...
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THE THAT Exl. Evaluate le cos (e“)dx

JEE/Engineering Exams
Maths
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( begin{aligned} I &=int e^{x} cos left(e^{x}right) d x & text { Let } sin left(e^{x}right)=t I & Rightarrow e^{x} cos left(e^{x}right) d x=d t I &=int d t=t+c &=sin left(e^{x}right)+c end{aligned} )
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