Evaluate
2\sqrt{3}\approx 3.464101615
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8\times \frac{\sqrt{3}}{2}\cos(\frac{\pi }{3})
Get the value of \sin(\frac{\pi }{3}) from trigonometric values table.
8\times \frac{\sqrt{3}}{2}\times \frac{1}{2}
Get the value of \cos(\frac{\pi }{3}) from trigonometric values table.
4\times \frac{\sqrt{3}}{2}
Multiply 8 and \frac{1}{2} to get 4.
2\sqrt{3}
Cancel out 2, the greatest common factor in 4 and 2.
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