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Complex Integral With Cosine

Calculus Level 2

Compute

$\int_{C} \frac{\cos(z)}{z^3} \, dz,$

where $C$ is the unit circle centered at 0 with positive (counterclockwise) orientation.

-2\pi i

-\pi i

\pi i

2\pi i

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by Sameer Kailasa

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