---
layout: default
---

<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->

<h1 id="function-cot">Function cot <a href="#function-cot" title="Permalink">#</a></h1>

Calculate the cotangent of a value. Defined as `cot(x) = 1 / tan(x)`.

To avoid confusion with the matrix cotangent, this function does not
apply to matrices.


<h2 id="syntax">Syntax <a href="#syntax" title="Permalink">#</a></h2>

```js
math.cot(x)
```

<h3 id="parameters">Parameters <a href="#parameters" title="Permalink">#</a></h3>

Parameter | Type | Description
--------- | ---- | -----------
`x` | number &#124; Complex &#124; Unit &#124; Array &#124; Matrix | Function input

<h3 id="returns">Returns <a href="#returns" title="Permalink">#</a></h3>

Type | Description
---- | -----------
number &#124; Complex &#124; Array &#124; Matrix | Cotangent of x


<h3 id="throws">Throws <a href="#throws" title="Permalink">#</a></h3>

Type | Description
---- | -----------


<h2 id="examples">Examples <a href="#examples" title="Permalink">#</a></h2>

```js
math.cot(2)      // returns number -0.45765755436028577
1 / math.tan(2)  // returns number -0.45765755436028577
```


<h2 id="see-also">See also <a href="#see-also" title="Permalink">#</a></h2>

[tan](tan.html),
[sec](sec.html),
[csc](csc.html)