---
tags:
    - "Acos"
    - "Arc"
    - "Cosine"
---

# Arc-Cosine

[Math](../index.md) / [Trigonometry](index.md) / **Arc-Cosine**

<div class="grid cards" markdown>

* :green_circle: Can Read

* :red_circle: Cannot Write

</div>

## Description

Returns the arc-cosine value of the number

!!! note
    The angle in radians whose cosine is the specified number

## Code

```cs
using System;
using UnityEngine;
using VisualScript.Icons;

namespace VisualScript.Runtime
{
    [Get]
    
    [Title("Arc-Cosine")]
    [Category("Math/Trigonometry/Arc-Cosine")]
    
    [Description("Returns the arc-cosine value of the number")]
    [Image(typeof(IconCos), ColorTheme.Type.Yellow, typeof(BadgeDot))]
    
    [Note("The angle in radians whose cosine is the specified number")]
    
    [Keywords("Acos", "Arc", "Cosine")]
    
    [Serializable]
    public class TypeNumberMathAcos : TypeNumber
    {
        [SerializeField] private GetNumber m_Number = new GetNumber();

        public override double GetPreview(GameObject source) => Math.Acos(this.m_Number.GetPreview(source));

        public override double Get(Args args)
        {
            double number = this.m_Number.Get(args);
            return Math.Acos(number);
        }

        public override string ToString()
        {
            return $"Acos({this.m_Number})";
        }

        protected override SubscriptionMode Subscription => SubscriptionMode.OnChange;
    }
}
```