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JavaScript sin() Method

Math Object Reference JavaScript Math Object

Definition and Usage

The sin() method returns the sine of a number.

Syntax

Math.sin(x)

Parameter Description
x Required. A number

Tips and Notes

Note: The sin() method returns a numeric value between -1 and 1, which represents the sine of the parameter x.

Example

Example

Return the sine of different numbers:

<script type="text/javascript">

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));

</script>

The output of the code above will be:

0.1411200080598672
-0.1411200080598672
0
1.2246063538223772e-16
1

Try it yourself »

Math Object Reference JavaScript Math Object

From http://www.w3schools.com (Copyright Refsnes Data)