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Many calculations are simpler when angles are measured in radians. One example is the series expansion (infinite sum) for the sine and cosine function. Another example is the formula that relates linear speed and angular speed in the case of a rotation.

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What is pi over 12 on a radian unit circle?

Pi over 12 on a radian unit circle is a little more than a quarter of the circle. Radian units are an alternative to degrees.


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1. Turn off your calculator 2. Flip it over 3. Get a pen or sharp pencil 4. Push "reset" 5. Flip over 6. Done


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