\[\int_{0}^{\pi /3}{\cos 3x\,dx=}\] � – McqOptions

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1.	\[\int_{0}^{\pi /3}{\cos 3x\,dx=}\] [SCRA 1980]
A.	\[\pi \]
B.	0
C.	\[\frac{\pi }{2}\]
D.	\[\frac{\pi }{4}\]
Answer» C. \[\frac{\pi }{2}\]

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