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The period of the function $f (x) = \cos^{2} 3 x + \tan 4 x$ is

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π/3

π/4

π/6

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detailed solution

Correct option is D

f(x)=(1/2)(1+cos⁡6x)+tan⁡4x The period of cos⁡6x is 2π/6=π/3 and the period of tan 4x is π/4. Hencethe period of f is l.c.m. of π/3 and π/4 = π.

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The period of the function f(x)=cos2⁡3x+tan⁡4x is

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The period of the function $f (x) = \cos^{2} 3 x + \tan 4 x$ is