JavaScript sin() Method


The sin() method of math object is used to get the sine of a number. The sin method returns a numeric value between -1 and 1, which represents the sine of the argument.


Implemented in JavaScript 1.0




x : Refers a number.

js math object sin


In the following web document, sin() method returns the sine of various numbers.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<title>JavaScript Math object - sin() method example</title>
<h1 style="color: red">JavaScript Math object : sin() method</h1>
<hr />
<script type="text/javascript">
//This is done to make the following JavaScript code compatible to XHTML. <![CDATA[
document.write(Math.sin(3) + "<br />");
document.write(Math.sin(-3) + "<br />");
document.write(Math.sin(0) + "<br />");
document.write(Math.sin(Math.PI) + "<br />");
document.write(Math.sin(Math.PI/2) + "<br />");

View the example in the browser

Supported Browser

Internet Explorer 7 Firefox 3.6 Google Chrome 7 Safari 5.0.1 Opera 10
Yes Yes Yes Yes Yes

See also:

JavaScript Core objects, methods, properties.

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