[Chapter 21] Reference: Math.sin()
Author: David Flanagan
Date: Fri Aug 29 11:17:58 1997

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| Chapter 21 JavaScript Reference |

# Math.sin() Function

## Name

Math.sin() Function---compute a sine

## Availability

Navigator 2.0, Internet Explorer 3.0

## Synopsis

    Math.sin(x)

### Arguments

`x`

  An angle, in radians.

### Returns

The sine of `x`.

## Description

`Math.tan()` computes and returns the sine of its numeric argument, which must be an angle specified in radians.

## Usage

To convert degrees to radians, multiply by 0.017453293 (2pi/360).

## See Also

"Math", "Math.asin()", "Math.cos()", "Math.tan()"

Math.round() |  | Math.sqrt()