Evaluate
\frac{\sqrt{3}}{2}\approx 0.866025404
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\frac{0.9961946980917455 \cdot \sin(60)}{0.9961946980917455}
Evaluate trigonometric functions in the problem
\sin(60)
Cancel out 0.9961946980917455 and 0.9961946980917455.
\frac{\sqrt{3}}{2}
Get the value of \sin(60) from trigonometric values table.
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