Evaluate
\frac{5\pi }{12}\approx 1.308996939
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\frac{\pi \times 5}{3\times 4}
Divide \frac{\pi }{3} by \frac{4}{5} by multiplying \frac{\pi }{3} by the reciprocal of \frac{4}{5}.
\frac{\pi \times 5}{12}
Multiply 3 and 4 to get 12.
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