# Sin

Returns the sine of the given angle.

See also ASin, Atn, Cos, Pi, and Tan.

### Syntax

    Sin(number)

##### number

Angle in radians for which you want the sine. If the angle is in degrees, multiply it by PI()/180 to convert it to radians.

### Examples

    <!--- This snippet shows how to use Sin --->
    <HTML>
    <HEAD>
    <TITLE>
    Sin Example
    </TITLE>
    </HEAD>

    <BODY BGCOLOR=silver>
    <H3>Sin Example</H3>

    <!--- output its Sin value --->
    <CFIF IsDefined("FORM.SinNum")>
        <CFIF IsNumeric(FORM.SinNum)>
            Sin(<CFOUTPUT>#FORM.SinNum#</CFOUTPUT>) =
              <CFOUTPUT>#Sin(FORM.sinNum)# Degrees =
                #Evaluate(Sin(FORM.sinNum) * PI()/180)# Radians
             </CFOUTPUT>
        <CFELSE>
    <!--- if it is empty, output an error message --->
            <H4>Please enter an angle for which you want the Sin value</H4>
        </CFIF>
    </CFIF>

    <FORM ACTION="sin.cfm" METHOD="POST">
    <P>Type in a number to get its sine in Radians and Degrees
    <BR><INPUT TYPE="Text" NAME="sinNum" size="25">
    <P><INPUT TYPE="Submit" NAME=""> <INPUT TYPE="RESET">
    </FORM>

    </BODY>
    </HTML>