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unit circle pattern 1

Arthur Lee
The coordinates of A and B are expressed in terms of sin and cos of . By varying the angle with the slider, points on the unit circle (or related to it) will be generated. You may click the coordinates in the algebra window to reveal or edit the expressions. Experiment with the tracing of segment to make different patterns.

quick silent demo

You can find a special example of pattern made in this way: What other interesting patterns can you create?

Check how I make this applet.