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

Its syntax is as follows −

Math.sin( x ) ;

Parameter Details

x − A number

Return Value

Returns the sine of a number.

Example

Try the following example program.

Live Demo

<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>

Output

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

javascript_math_object.htm