Evaluate
\frac{3\pi }{2}\approx 4.71238898
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270\times \frac{\pi }{180}
Anything divided by one gives itself.
\frac{270\pi }{180}
Express 270\times \frac{\pi }{180} as a single fraction.
\frac{3}{2}\pi
Divide 270\pi by 180 to get \frac{3}{2}\pi .
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