Sines and Cosines

Sines and Cosines - Drag X, the big green point, to generate the point (x,1) (in polar coordinates) on the unit circle, as well as the point sin(x).

Trace your result, or to turn on horizonal line(s) to verify.

Click the 'refresh' icon in the top-right of the graph to clear the window.

Enjoy!

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Tim Cieplowski, January 3, 2010, Created with GeoGebra