# asin()

#### Table of Contents

## Overview

The **asin()** function takes a **number** (representing a trigonometric sine) as an argument, and returns the angle (measured in radians) of that number.

## Return Type

- Decimal

## Syntax

<variable> = <number>.asin();

(OR)

<variable> = asin(<number> );

Parameter | Description | Data type |
---|---|---|

<variable> | Variable which will contain the returned value. | DECIMAL |

<number> | The number whose inverse sine value will be returned. | NUMBER or DECIMAL |

## Examples

number= 1;

asinValue = number.asin(); // returns 1.5707963267948966

asinValue = number.asin(); // returns 1.5707963267948966