int cosx/(1+cosx) \ dx...

`int cosx/(1+cosx) \ dx`

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To solve the integral \( \int \frac{\cos x}{1 + \cos x} \, dx \), we can follow these steps: ### Step 1: Rewrite the Integral Let \( I = \int \frac{\cos x}{1 + \cos x} \, dx \). ### Step 2: Manipulate the Numerator We can add and subtract 1 in the numerator: \[ ...

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