An introduction to the ES1en. tan of method for tangents in JavaScript
- 2020-06-15 07:38:12
- OfStack
This method returns the tangent of a number. The tan method returns the tangent of the Angle represented.
grammar
Math.tan( x ) ;
Here is the details of the parameters:
x: 1 number representing radians in an AngleThe return value:
Returns the tangent of a numberExample:
<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>
This will produce the following results:
First Test Value : 1
Second Test Value : 21
Third Test Value : 20
Fourth Test Value : -20