CFLib.org – Common Function Library Project

Cot(x)

Last updated October 09, 2001

author

Rob Brooks-Bilson

Version: 1 | Requires: CF5 | Library: MathLib

Description:
Returns the Cotangent of an angle. If angle is 0, returns "undefined". All angles are expressed in radians.

Return Values:
Returns a numeric value or string.

Example:

<CFSET x=(Pi()/2)>
  <CFOUTPUT>
  Given x=1<BR>
  The cotangent of #x# radians is: #Cot(x)#.
  </CFOUTPUT>

Parameters:

Name Description Required
x Any angle in radians. Yes

Full UDF Source:

/**
 * Returns the Cotangent of an angle.
 * 
 * @param x      Any angle in radians. 
 * @return Returns a numeric value or string. 
 * @author Rob Brooks-Bilson (rbils@amkor.com) 
 * @version 1, October 9, 2001 
 */
function Cot(x){
  if (x EQ 0)
    return "undefined";
  else 
    return 1/Tan(x);
}

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