Last updated on
Apr 27, 2021 05:39:35 AM GMT
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Also Applies to ColdFusion
Description
Arccosine function. The arccosine is the angle whose cosine is number.
Returns
The arccosine, in radians, of a number.
Category
Function syntax
ACos(number)
See also
Parameters
Parameter |
Description |
|---|---|
number |
Cosine of an angle. The value must be between -1.0 and 1.0, inclusive. |
Usage
The range of the result is 0 to p. To convert degrees to radians, multiply degrees by p/180. To convert radians to degrees, multiply radians by 180/p.
Example
<cfscript> number=0.5; writeOutput(acos(0.5)); // Returns 1.04719755 </cfscript>
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