JS & DOM Reference
OverviewJavaScript Objects
JS Array JS Boolean JS Date JS Math JS Number JS String JS RegExp JS GlobalBrowser Objects
Window Navigator Screen History LocationCore DOM Objects
DOM Node DOM NodeList DOM NamedNodeMap DOM Document DOM Element DOM AttrHTML DOM Objects
DOM Document DOM Events DOM ElementsDOM Anchor DOM Area DOM Base DOM Body DOM Button DOM Form DOM Frame/IFrame DOM Frameset DOM Image DOM Input Button DOM Input Checkbox DOM Input File DOM Input Hidden DOM Input Password DOM Input Radio DOM Input Reset DOM Input Submit DOM Input Text DOM Link DOM Meta DOM Object DOM Option DOM Select DOM Style DOM Table DOM td / th DOM tr DOM Textarea
JavaScript sin() Method
Example
Return the sine of a number:
Math.sin(3);
The result will be:
0.1411200080598672
Try it yourself »
Definition and Usage
The sin() method returns the sine of a number.
Note: This method returns a value between -1 and 1, which represents the sine of the parameter x.
Browser Support
The sin() method is supported in all major browsers.
Syntax
Math.sin(x)
Parameter Values
| Parameter | Description |
|---|---|
| x | Required. A number |
Return Value
| Type | Description |
|---|---|
| Number | A Number, from -1 to 1, representing the sine of an angle, or NaN if the value is empty |
Technical Details
| JavaScript Version: | 1.0 |
|---|
More Examples
Example
Return the sine of different numbers:
var a=Math.sin(3);
var b=Math.sin(-3);
var c=Math.sin(0);
var d=Math.sin(Math.PI);
var e=Math.sin(Math.PI/2);
var b=Math.sin(-3);
var c=Math.sin(0);
var d=Math.sin(Math.PI);
var e=Math.sin(Math.PI/2);
The result of a,b,c,d, and e will be:
0.1411200080598672
-0.1411200080598672
0
1.2246063538223772e-16
1
-0.1411200080598672
0
1.2246063538223772e-16
1
Try it yourself »
JavaScript Math Object
Your suggestion:
Close [X]
Thank You For Helping Us!
Your message has been sent to W3Schools.
Close [X]
