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Evaluate int(1-cosx)/(1+cosx)dx....

Evaluate `int(1-cosx)/(1+cosx)dx`.

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To evaluate the integral \( \int \frac{1 - \cos x}{1 + \cos x} \, dx \), we will follow these steps: ### Step 1: Rewrite the integrand using trigonometric identities We know the following trigonometric identities: \[ 1 - \cos x = 2 \sin^2 \left(\frac{x}{2}\right) \] \[ ...
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