Introduction to the use of ES1en. cos of cosine method in JavaScript
- 2020-06-15 07:40:09
- OfStack
This method returns the cosine of 1 number. This cosine method returns the value between -1 and 1, which represents the cosine of the Angle.
grammar
Math.cos( x ) ;
Here is the details of the parameters:
x: One number.The return value:
Returns the cosine of a number.
Example:
<html>
<head>
<title>JavaScript Math cos() Method</title>
</head>
<body>
<script type="text/javascript">
var value = Math.cos(90);
document.write("First Test Value : " + value );
var value = Math.cos(30);
document.write("<br />Second Test Value : " + value );
var value = Math.cos(-1);
document.write("<br />Third Test Value : " + value );
var value = Math.cos(2*Math.PI);
document.write("<br />Fourth Test Value : " + value );
</script>
</body>
</html>
This will produce the following results:
First Test Value : -0.4480736161291701
Second Test Value : 0.15425144988758405
Third Test Value : 0.5403023058681398
Fourth Test Value : 1