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Trigonometric Equations — Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceMathsTrigonometric Equations5 Marks
Question
Solve the following equations:
$\cos\text{x}\cos2\text{x}\cos3\text{x}=\frac{1}{4}$
✓

Answer

We have,
$\cos\text{x}\cos2\text{x}\cos3\text{x}=\frac{1}{4}$

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