kotlin-stdlib / kotlin.math / acos

acos

Common
JVM
JS
Native
1.2
fun acos(x: Double): Double
fun acos(x: Float): Float

Computes the arc cosine of the value x; the returned value is an angle in the range from 0.0 to PI radians.

Special cases: - acos(x) is NaN, when abs(x) > 1 or x is NaN