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# JavaScript sin() Method

JavaScript Math Object

### Example

Return the sine of a number:

Math.sin(3);

The result will be:

0.1411200080598672
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More "Try it Yourself" examples below.

## 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

Method
sin() Yes Yes Yes Yes Yes

Math.sin(x)

## Parameter Values

Parameter Description
x Required. A number

## Technical Details

Return Value: A Number, from -1 to 1, representing the sine of an angle, or NaN if the value is empty 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);

The result of a,b,c,d, and e will be:

0.1411200080598672
-0.1411200080598672
0
1.2246063538223772e-16
1
Try it Yourself »

JavaScript Math Object