\ovalbox{\mathbb{L} \; \mathbb{I} \; \mathbb{L} \; \mathbb{L}}

f(x) = sin((3 * x))
v = 0 (slider from 0 to π)
b = CurveCartesian((f(t) * cos(t)), (f(t) * sin(t)), t, 0, v)
A: b(v)
a = CurveCartesian((f(t) * sin(t)), (f(t) * cos(t)), t, 0, v)
B: a(v)
c = CurveCartesian((f(t) * cos(t)), (f(t) * sin((-t))), t, 0, v)
C: c(v)
d = CurveCartesian((f(t) * sin((-t))), (f(t) * cos(t)), t, 0, v)
D: d(v)