Evaluate
\frac{2\sqrt{2}}{\pi }\approx 0.900316316
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\frac{\frac{\sqrt{2}}{2}}{\frac{\pi }{4}}
Get the value of \sin(\frac{\pi }{4}) from trigonometric values table.
\frac{\sqrt{2}\times 4}{2\pi }
Divide \frac{\sqrt{2}}{2} by \frac{\pi }{4} by multiplying \frac{\sqrt{2}}{2} by the reciprocal of \frac{\pi }{4}.
\frac{2\sqrt{2}}{\pi }
Cancel out 2 in both numerator and denominator.
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