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How do you integrate $\int e^{x} \cdot cos x d x$ $int e^x * cosx dx$ ?

1 Answer

Jul 11, 2015

I found: $\frac{e^{x} (cos (x) + sin (x))}{2} + c$ $(e^x(cos(x)+sin(x)))/2+c$

Explanation:

I tried Integration by Parts (twice) and a little trick...!
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