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(sin x)/(1+cos x)...

`(sin x)/(1+cos x)`

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To solve the integral \(\int \frac{\sin x}{1 + \cos x} \, dx\), we will follow these steps: ### Step 1: Set up the integral Let \( I = \int \frac{\sin x}{1 + \cos x} \, dx \). ### Step 2: Substitution We will use the substitution \( t = 1 + \cos x \). To find \( dt \), we differentiate \( t \): \[ ...
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