ACos (arccosine)

ACos Function

Calculates the arccosine, that is, the angle whose cosine is the number that is input as the argument. The arccosine is also known as the inverse cosine of a number. The function returns the arccosine angle in radians in the range 0 (zero) to pi.

Syntax

ACos (scalar Number)

Arguments

Argument	Description
scalar Number	Number for which the arccosine is to be calculated

Examples:

Acos(0)

Returns Inverse of cos(0) in radians.