asin(_:) Returns the arcsine of each element in a vector. Declarationfunc asin(_ x: simd_float4) -> simd_float4 See AlsoTrigonometric Functionsacos(_:)atan(_:)atan2(_:_:)cos(_:)cospi(_:)sin(_:)sinpi(_:)sincos(_:)sincospi(_:)tan(_:)tanpi(_:)