Point On A Circle

A circle rolls along the x-axis, with the centerpoint, G, along said axis and the point E along the function y=sin(x).

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As the circle rolls forward the height of point E will folow the function y=sin(x).

The velocity, or the rate of change with respect to position, of point E will be represented by the function y=cos(x), with respect to the points movement along the sine curve.

App generated by Geometry Expressions