Period of 3x - (4x + 3) is - Vidyadip

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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