JEE MATHEMATICS MCQ: TRIGONOMETRIC EQUATIONS

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Application +4 | -1

The sum of the solutions in

(0,2 \pi)

of the equation

\cos x \cos \left(\frac{\pi}{3}-x\right) \cos \left(\frac{\pi}{3}+x\right)=\frac{1}{4}

View answer and explanation

Correct option: C

2 \pi

Option C (

2 \pi

) is correct because using the trigonometric identity, the sum of solutions in (0, 2π) is

2\pi

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