Given a number representing the ratio of a right triangle's adjacent side over its hypotenuse returns the corresponding angle.

```
acos(n)
```

Name | Description |
---|---|

x | A number from -1 to 1 representing the ratio of the adjacent side over the hypotenuse. |

Given a number representing the ratio of a right triangle's adjacent side over its hypotenuse returns the corresponding angle.

```
acos(n)
```

Name | Description |
---|---|

x | A number from -1 to 1 representing the ratio of the adjacent side over the hypotenuse. |