---
title: math.Asin
description: Returns the arcsine, in radians, of the given number.
categories: []
keywords: []
params:
  functions_and_methods:
    aliases: []
    returnType: float64
    signatures: [math.Asin VALUE]
---

{{< new-in 0.130.0 />}}

```go-html-template
{{ math.Asin 1 }} → 1.5707963267948966
```