6 \cos ( \frac { \pi } { 6 }
Evaluate
3\sqrt{3}\approx 5.196152423
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6\times \frac{\sqrt{3}}{2}
Get the value of \cos(\frac{\pi }{6}) from trigonometric values table.
3\sqrt{3}
Cancel out 2, the greatest common factor in 6 and 2.
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