MCQ
Period of $\cot 3x - \cos (4x + 3)$ is
  • A
    $\frac{\pi }{3}$
  • B
    $\frac{\pi }{4}$
  • $\pi $
  • D
    $2\pi $

Answer

Correct option: C.
$\pi $
c
(c) 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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