Evaluate
\frac{\sqrt{3}}{2x}
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x^{-1}\cos(30)
Use the property \cos(-x)=\cos(x).
x^{-1}\times \frac{\sqrt{3}}{2}
Get the value of \cos(30) from trigonometric values table.
\frac{x^{-1}\sqrt{3}}{2}
Express x^{-1}\times \frac{\sqrt{3}}{2} as a single fraction.
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