Lucee Function Reference

## Function *ACOS*

Returns the angle whose cosine is the value passed as the argument.

## Example

acos(number number):number

## Arguments

The arguments for this function are set. You can not use other arguments except the following ones.

Name | Type | Required | Description |
---|---|---|---|

number | number | Yes | The value to be converted into an angle. Must be between -1 and 1. |