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DriveWorks Pro 22
ACos

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Acos

This function is used to calculate the arccosine (or inverse cosine) of a number.

The Acos function returns the value whose cosine is Number.

Syntax

Acos( [Number] )

Where:

Number is the value to return the arccosine of (between -1 and1).

Examples

Rule

Meaning
Acos(-1)Uses the number -1 and calculates the resulting arccosine (inverse cosine). The result is 3.14159265358979.