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Detailed explanation of the use of Math.sin() method in JavaScript_Basic knowledge

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WBOYOriginal
2016-05-16 15:54:521822browse

This method returns the sine of a number. The sin method returns a number between -1 and 1, which represents the sine value of the argument.
Grammar

Math.sin( x ) ;

Here are the details of the parameters:

  • x: a number

Return value:

  • Returns the sine of a number

Example: 

<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>

This will produce the following results: 

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

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