---
title: "acosh(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/acosh(_:)-16wup"
---

# acosh(_:)

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

## Declaration

```swift
func acosh(_ x: simd_float2) -> simd_float2
```

## See Also

### Hyperbolic Functions

- [asinh(_:)](simd/asinh(_:)-14lj8.md)
- [atanh(_:)](simd/atanh(_:)-3o0hv.md)
- [cosh(_:)](simd/cosh(_:)-4n03p.md)
- [sinh(_:)](simd/sinh(_:)-2ft5c.md)
- [tanh(_:)](simd/tanh(_:)-8avnx.md)