# Arc Cosine

## Overview

![The Arc Cosine Node.](https://926825830-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKQhJdUBr7YQzfIwmpAZ9%2Fuploads%2Fgit-blob-7774bb2f32faacf974bbe2a6caa43dc9b758f704%2Fnode-arc-cosine2.png?alt=media)

The **Arc Cosine Node** takes a single **Float** value and returns its *arccosine*, in degrees (°) or radians (rad)

[**Scope**](https://docs.incari.com/incari-studio/2022.1/overview#scopes): **Project**, **Scene**, **Function**, **Prefab**.

## Attributes

![The Arc Cosine Node Attributes.](https://926825830-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKQhJdUBr7YQzfIwmpAZ9%2Fuploads%2Fgit-blob-3417f13cd7c6f3798963f7b137a30ca15c8867a5%2Fnode-arc-cosine2-attr.png?alt=media)

### Miscellanous

| Attribute   | Type     | Description                                                                     |
| ----------- | -------- | ------------------------------------------------------------------------------- |
| `Is Degree` | **Bool** | Determines whether the `Output` value is given in degrees (°) or radians (rad). |

### Inputs

| Attribute       | Type      | Description                                                                      |
| --------------- | --------- | -------------------------------------------------------------------------------- |
| `Default Value` | **Float** | The default value of `Input`, if no value is provided in the `Input` **Socket**. |

## Inputs

| Input             | Type      | Description                                                           |
| ----------------- | --------- | --------------------------------------------------------------------- |
| *Pulse Input* (►) | **Pulse** | A standard **Input Pulse**, to trigger the execution of the **Node**. |
| `Input`           | **Float** | The value to calculate the *arccosine* of.                            |

## Outputs

| Output             | Type      | Description                                                                                                                            |
| ------------------ | --------- | -------------------------------------------------------------------------------------------------------------------------------------- |
| *Pulse Output* (►) | **Pulse** | A standard **Output Pulse**, to move onto the next **Node** along the **Logic Branch**, once this **Node** has finished its execution. |
| `Output`           | **Float** | The *arccosine* of `Input`.                                                                                                            |

## See Also

* [**Trigonometry**](https://docs.incari.com/incari-studio/2022.1/toolbox/math/trigonometry)
* [**Cosine**](https://docs.incari.com/incari-studio/2022.1/toolbox/math/trigonometry/cosine)
* [**Radian-Degree Converter**](https://docs.incari.com/incari-studio/2022.1/toolbox/math/trigonometry/radian-degree-converter)

## External Links

* [*Trigonometry*](https://www.khanacademy.org/math/trigonometry) on Kahn Academy.
* [*Sine, Cosine and Tangent*](https://www.mathsisfun.com/sine-cosine-tangent.html) on Maths is Fun.