Atn

Arctangent function. The arctangent is the angle whose tangent is number.

Atn( number )

Returns: Number

Argument Description
number
number, required

Tangent of an angle. Must be between -1 and 1.

Examples

The following code example will output an example number returned from the atn() function.

<cfset inputValue = 0.5>
<cfoutput>#atn(inputValue)#</cfoutput>

See also