acos

Computes the arccosine (inverse cosine) of a value, returning radians.

Spec

acos(x)

Parameters

• x: Numeric, converted to real.

Return value

real arccosine of x in radians.

Example

datatable(val:real)[1, 0]
| extend a = acos(val)

val	a
1	0
0	1.5707963267948966