JEE Advance - Mathematics (1999 - No. 2)

Integrate $$\int\limits_0^\pi {{{{e^{\cos x}}} \over {{e^{\cos x}} + {e^{ - \cos x}}}}\,dx.} $$

$$\pi$$

$$\frac{\pi}{4}$$

$$\frac{\pi}{2}$$

$$2\pi$$

$$0$$

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