CFLib.org – Common Function Library Project

Sec(x)

Last updated October 9, 2001

author

Rob Brooks-Bilson

Version: 1 | Requires: CF5 | Library: MathLib

Description:
Returns the Secant of an angle. The secant of a 90 degree angle is infinity. All angles are expressed in radians.

Return Values:
Returns a numeric value or string.

Example:

<CFSET x=0.785398163397>
<CFSET y=90*(Pi()/180)>
<CFOUTPUT>
  Given x=#x#<BR>
  Given y=#y#<BR>
  The Secant of #x# radians is: #Sec(x)#<BR>
  The Secant of #y# radians is: #Sec(y)#<BR>
  </CFOUTPUT>

Parameters:

Name Description Required
x Any angle measured in radians. Yes

Full UDF Source:

/**
 * Returns the secant of an angle.
 * 
 * @param x 	 Any angle measured in radians. 
 * @return Returns a numeric value or string. 
 * @author Rob Brooks-Bilson (rbils@amkor.com) 
 * @version 1, October 9, 2001 
 */
function Sec(x)
{
  if (x EQ 90*(Pi()/180)){
    return "infinity";
    }
  else {
    return 1/cos(x);
  }
}
blog comments powered by Disqus

Search CFLib.org


Latest Additions

Kevin Cotton added
date2ExcelDate
May 5, 2016

Raymond Camden added
CapFirst
April 25, 2016

Chris Wigginton added
loremIpsum
January 18, 2016

Gary Stanton added
calculateArrival...
November 19, 2015

Sebastiaan Naafs - van Dijk added
getDaysInQuarter
November 13, 2015

Created by Raymond Camden / Design by Justin Johnson