A) \[\frac{\pi }{3}\]
B) \[\frac{\pi }{4}\]
C) \[\pi \]
D) \[2\pi \]
Correct Answer: C
Solution :
Period of \[\cot 3x\] is \[\frac{\pi }{3}\] and period of \[\cos (4x+3)\] is \[\frac{\pi }{2}\] \[\Rightarrow \] L.C.M. is\[\pi \].
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