simple-squiggle/node_modules/mathjs/docs/reference/functions/csch.md

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<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
# Function csch
Calculate the hyperbolic cosecant of a value,
defined as `csch(x) = 1 / sinh(x)`.
For matrices, the function is evaluated element wise.
## Syntax
```js
math.csch(x)
```
### Parameters
Parameter | Type | Description
--------- | ---- | -----------
`x` | number &#124; Complex &#124; Unit &#124; Array &#124; Matrix | Function input
### Returns
Type | Description
---- | -----------
number &#124; Complex &#124; Array &#124; Matrix | Hyperbolic cosecant of x
### Throws
Type | Description
---- | -----------
## Examples
```js
// csch(x) = 1/ sinh(x)
math.csch(0.5) // returns 1.9190347513349437
1 / math.sinh(0.5) // returns 1.9190347513349437
```
## See also
[sinh](sinh.md),
[sech](sech.md),
[coth](coth.md)