Evaluate
\frac{\pi }{6}\approx 0.523598776
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\frac{\pi }{2}-\frac{\pi }{3}
Cancel out 4, the greatest common factor in 2 and 4.
\frac{1}{6}\pi
Combine \frac{\pi }{2} and -\frac{\pi }{3} to get \frac{1}{6}\pi .
Examples
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