ASin

Determines the arcsine of a number. The arcsine is the angle whose sine is number.

ASin( number )

Returns: Number

Argument Description
number
number, required

Sine of an angle. The value must be between -1 and 1, inclusive.

Examples

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

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

See also