Number.Acos
The angle, in radians, whose cosine is the given number.
Group: Number. Power Query M has it too: a query that uses it is written as in Power BI.
Syntax
Number.Acos(number as nullable number) as nullable number| Parameter | Type | Description |
|---|---|---|
number | nullable number | A cosine, from -1 to 1. |
Returns
nullable number. An angle from 0 to π; NaN outside -1 to 1; null for null.
Examples
The angle with cosine -1
Number.Acos(-1)3.141592653589793π, half a turn.
In degrees
Number.Round(Number.Acos(0.5) * 180 / Number.PI, 6)60