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# Javascript Math - sin Method

## Description:

This method returns the sine of a number. The sin method returns a numeric value between -1 and 1, which represents the sine of the argument.

## Syntax:

    Math.sin( x ) ;

Here is the detail of parameters:

- x: A number

## Return Value:

Returns the sine of a number.

## Example:

    <html>
    <head>
    <title>JavaScript Math sin() Method</title>
    </head>
    <body>
    <script type="text/javascript">

    var value = Math.sin( 0.5 );
    document.write("First Test Value : " + value );

    var value = Math.sin( 90 );
    document.write("<br />Second Test Value : " + value );

    var value = Math.sin( 1 );
    document.write("<br />Third Test Value : " + value );

    var value = Math.sin( Math.PI/2 );
    document.write("<br />Fourth Test Value : " + value );
    </script>
    </body>
    </html>

This will produce following result:

    First Test Value : 0.479425538604203
    Second Test Value : 0.8939966636005578
    Third Test Value : 0.8414709848078965
    Fourth Test Value : 1

To understand it in better way you can Try it yourself.

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