Radians, Number Line and the Unit Circle

This applet demonstrates the correspondence between the points on the number line and the points on the unit circle.

  • Enter a real number in the “step” input box. Try the applet with whole numbers, fractions, multiples or fractions of \(\pi\). (Example: pi/4)
  • Select “Wrap Positive Numbers” or “Wrap Negative Numbers”.

Notice, you have to deselect one checkbox in order to be able to select the other one.

Irina Boyadzhiev, Created with GeoGebra January 9, 2015

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