How to draw a sine in a circle?

Hi, how to draw a sine in a circle ?Скриншот 30-05-2020 125101

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here’s another approach:

small modification if you want to control the “steepnes” of the wave pattern

NOTE:
There’s a flaw if the center of the circle doesn’t conicide with 0,0,0 :thinking:

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circle sine.gh (8.1 KB)

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starcurve_2016_Jan25c

Here is a pure geometric solution. This has the advantage to directly modify the shape. Could be done with the _Flow command in Rhino as well.

Geometric.gh (11.3 KB)

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Thank you very much .

              Thank you very much .
   Thank you very much .

Nice, Thank you very much .

Thank you very much !!! )

Thank you very much !!! )))))))))