Question
Solve the following equations: $\cos\text{x}\cos2\text{x}\cos3\text{x}=\frac{1}{4}$
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| x | 35 | 54 | 52 | 53 | 56 | 58 | 52 | 50 | 51 | 49 |
| y | 108 | 107 | 105 | 105 | 106 | 107 | 104 | 103 | 104 | 101 |