JEE MATHEMATICS MCQ: TRIGONOMETRIC EQUATIONS

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Application +4 | -1

Thesumof all solutions of the equation

\cos x \cdot \cos \left(\frac{\pi}{3}+x\right) \cdot \cos \left(\frac{\pi}{3}-x\right)=\frac{1}{4}, x \in[0,6 \pi]

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Correct option: B

30 \pi

Option B (

30 \pi

) is correct because it is the sum of all solutions of the given equation in the specified interval.

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