\[\underset{x\to 0}{\mathop{\lim }}\,\frac{1-\cos 6x}{x}=\] [DSSE 1982

1.	\[\underset{x\to 0}{\mathop{\lim }}\,\frac{1-\cos 6x}{x}=\] [DSSE 1982]
A.	0
B.	6
C.	\[\frac{1}{3}\]
D.	None of these
Answer» B. 6

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\[\underset{x\to 0}{\mathop{\lim }}\,\frac{1-\cos 6x}{x}=\] [DSSE 1982]

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