Answered
Hello,
I wonder how to draw torus in Geogebra.
Now I have define a variable s, and define a curve as
CurveCartesian((2+0.5cos(t))cos(s),(2+0.5cos(t))sin(s),0.5sin(t),t,0,2π)
However, I want the variable s also defined in a range as variable t, rather than a independent variable.
That means, I need curve functions dependent on two variables.
How to do this?
Thank you.
The same question 
This is the result You can change R and r with the sliders.
Torus
You can add some color too
https://ggbm.at/xacwukxu
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