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Thread: Sinus

  1. April 27th 2010, 01:44 PM #1
    bhitroofen01
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    Sinus

    Hi,

    How to show that \frac{\sqrt{2}}{2} < sin(50°) < \frac{\sqrt{2}}{2}+\frac{\pi}{36} \ \ ??????
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  2. April 27th 2010, 02:53 PM #2
    pickslides
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    Do you know what \sin 50 evaluates to? I believe its in the first quadrant and therefore positive.
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