Documentation

math.acos() function

Flux 0.22.0+

The math.acos() function returns the arccosine of x in radians.

Output data type: Float

import "math"

math.acos(x: 0.22)

// Returns 1.3489818562981022

Parameters

x

x should be greater than -1 and less than 1. Otherwise, the operation will return NaN.

Special cases

math.acos(x: <-1) // Returns NaN
math.acos(x: >1)  // Returns NaN

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