\[\int\limits_{0}^{\pi }{\,\frac{\sin \left( n+\frac{1}{2} \right)\tex – McqOptions

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1.	\[\int\limits_{0}^{\pi }{\,\frac{\sin \left( n+\frac{1}{2} \right)\text{ }x}{\sin x}}\,dx\], \[(n\in N)\] equals [Kurukshetra CEE 1998]
A.	\[n\pi \]
B.	\[(2n+1)\frac{\pi }{2}\]
C.	\[\pi \]
D.	0
Answer» D. 0

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