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Evaluate int(0)^(pi//2)(x)/((sinx+cosx))...

Evaluate `int_(0)^(pi//2)(x)/((sinx+cosx))dx`.

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To evaluate the integral \( I = \int_{0}^{\frac{\pi}{2}} \frac{x}{\sin x + \cos x} \, dx \), we can use a property of definite integrals. ### Step-by-step Solution: 1. **Set up the integral:** \[ I = \int_{0}^{\frac{\pi}{2}} \frac{x}{\sin x + \cos x} \, dx \] ...
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