CFLib.org – Common Function Library Project

Acot(x)

Last updated November 29, 2001

author

Rob Brooks-Bilson

Version: 1 | Requires: CF5 | Library: MathLib

Description:
Returns the inverse cotangent of a value. All angles are expressed in radians.

Return Values:
Returns an angle in radians.

Example:

<CFSET x=1>

<CFOUTPUT>
Given x=#x#:<BR>
Acot=#Acot(x)#
</CFOUTPUT>

Parameters:

Name Description Required
x Any real number. Yes

Full UDF Source:

/**
 * Returns the inverse cotangent of a value.
 * 
 * @param x 	 Any real number. 
 * @return Returns an angle in radians. 
 * @author Rob Brooks-Bilson (rbils@amkor.com) 
 * @version 1, November 29, 2001 
 */
function Acot(x){
    return -Atn(x)+1.570796;
}
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