---
tag: 0WFZX06698
kind: concept
name: Inverse hyperbolic functions
msc: [33B10]
sources:
  - url: https://en.wikipedia.org/wiki/Inverse_hyperbolic_functions
    locator: lead section
same_as:
  wikidata: Q640600
  wikipedia: Inverse hyperbolic functions
---

## Summary

The inverse hyperbolic functions are the inverses of the hyperbolic sine, cosine and tangent, with a restricted domain for the cosine. They have explicit formulas in terms of the logarithm and the square root. The node [[inverse hyperbolic functions|04D7CHT5V1]] gives the precise definition.