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Numerade Educator



Problem 18 Medium Difficulty

Evaluate the integral.

$ \displaystyle \int e^{-\theta} \cos 2 \theta d \theta $


$\int e^{-\theta} \cos 2 \theta d \theta=\frac{1}{5} e^{-\theta}(2 \sin 2 \theta-\cos 2 \theta)+C$


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Video Transcript

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