maths.sin{a:float, b:float}
A relation generator. Can convert Sine a into Arcsine b and vice-versa.
Note: uses turns: 0.0..1.0
Examples
sine to arcsine
import("maths")
print(maths.sin(a:=1.0/6)..b)0.8660
arcsine to sine
import("maths")
print(maths.sin(b:=0.866)..a)0.1667