t = 0.34 (slider from 0 to 1, step 0.02)
F: ((10 * cos(((2 * π) * t))), (10 * sin(((2 * π) * t))), 0)
b = CurveCartesian((10 * cos(((2 * π) * t))), (10 * sin(((2 * π) * t))), 0, t, 0, 1)