> For the complete documentation index, see [llms.txt](https://math-5.gitbook.io/math/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://math-5.gitbook.io/math/reference/mathematical-operations/sinh.md).

# sinh

## Compute hyperbolic sine of a given argument

```cpp
sinh(x);
```

will return the hyperbolic sine of an argument. There is no custom return type, the function always returns an double. 

```cpp
sinh(0); // 0
sinh(1); //1.1752
sinh(-1); //-1.1752
sinh(2); //3.6269
sinh(-2); //-3.6269
```