$\int_{\frac{-\pi}{2}}^{\frac{\pi}{2}} \frac{\cos x}{1+e^x} d x=$

$\int_{\frac{-\pi}{2}}^{\frac{\pi}{2}} \frac{\cos x}{1+e^x} d x=$
  1. 1
  2. 2
  3. -1
  4. 0

Asked in: MHT CET 2021 (21 Sep Shift 2)

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