---
title: "acosh(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/acosh(_:)-48wtu"
---

# acosh(_:)

Returns the inverse hyperbolic cosine of each element in a vector.

## Declaration

```swift
func acosh(_ x: simd_float3) -> simd_float3
```

## See Also

### Hyperbolic Functions

- [asinh(_:)](simd/asinh(_:)-5c50h.md)
- [atanh(_:)](simd/atanh(_:)-1y6z5.md)
- [cosh(_:)](simd/cosh(_:)-4k02l.md)
- [sinh(_:)](simd/sinh(_:)-15g8v.md)
- [tanh(_:)](simd/tanh(_:)-4rx8s.md)