asin(x: number) → f64

Category: [math](builtinsmath)_

Arcsine, in radians, of a value in [-1, 1].

ParameterTypeDescriptionRemarks
xnumberThe input value (any number, widened to f64).
returnsf64The result, as an f64.
wcl
asin(0.0)   // arcsine of 0 → 0.0