Community

Learn

Tools Library

AI Tools

Leisure

English

Home > Web Front-end > JS Tutorial > Introduction to the Math.tan() method used to process tangent in JavaScript_Basic knowledge

Introduction to the Math.tan() method used to process tangent in JavaScript_Basic knowledge

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Release： 2016-05-16 15:54:49

Original

1725 people have browsed it

This method returns the tangent of a number. The tan method returns the tangent of the angle represented.
Grammar

Math.tan( x ) ;

Copy after login

Here are the details of the parameters:

x: a number representing radians in degrees

Return value:

Returns the tangent of a number

Example:

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

var value = Math.tan( -30 );
document.write("First Test Value : " + value ); 
 
var value = Math.tan( 90 );
document.write("<br />Second Test Value : " + value ); 

var value = Math.tan( 45 );
document.write("<br />Third Test Value : " + value ); 

var value = Math.tan( Math.PI/180 );
document.write("<br />Fourth Test Value : " + value ); 
</script>
</body>
</html>

Copy after login

This will produce the following results:

First Test Value : 1
Second Test Value : 21
Third Test Value : 20
Fourth Test Value : -20

Copy after login

Related labels：

javascript math

source：php.cn

Previous article：Using the exec() method in regular expressions in JavaScript_Basics Next article：Using the square root sqrt() method in JavaScript_Basics

Statement of this Website

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn