---
tag: 0H1JFKE7H4
kind: concept
name: Hyperbolic sine
msc: [33B10]
sources:
  - url: https://en.wikipedia.org/wiki/Hyperbolic_functions
    locator: Exponential definitions
---

## Summary

The hyperbolic sine is half the difference of $e^x$ and $e^{-x}$. It is an odd, strictly increasing function on $\mathbb{R}$. The node [[hyperbolic sine|0GWD21EWRW]] gives the precise definition.