\[\underset{x\to 0}{\mathop{\lim }}\,\frac{\sqrt{\frac{1}{2}(1-\cos 2x)}}{x}=\] [IIT 1991; AIEEE 2002; RPET 2001, 02]

\[\underset{x\to 0}{\mathop{\lim }}\,\frac{\sqrt{\frac{1}{2}(1-\cos 2x

1.	\[\underset{x\to 0}{\mathop{\lim }}\,\frac{\sqrt{\frac{1}{2}(1-\cos 2x)}}{x}=\] [IIT 1991; AIEEE 2002; RPET 2001, 02]
A.	1
B.	?1
C.	0
D.	None of these
Answer» E.

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\[\underset{x\to 0}{\mathop{\lim }}\,\frac{\sqrt{\frac{1}{2}(1-\cos 2x)}}{x}=\] [IIT 1991; AIEEE 2002; RPET 2001, 02]

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