\[\underset{x\to 1}{\mathop{\lim }}\,(1-x)\tan \left( \frac{\pi x}{2} – McqOptions

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1.	\[\underset{x\to 1}{\mathop{\lim }}\,(1-x)\tan \left( \frac{\pi x}{2} \right)=\] [IIT 1978, 84; RPET 1997, 2001; UPSEAT 2003; Pb. CET 2003]
A.	\[\frac{\pi }{2}\]
B.	\[\pi \]
C.	\[\frac{2}{\pi }\]
D.	0
Answer» D. 0

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