# Asin

### **Description**‌

The Asin function returns the arc sine of a number.

### **Syntax**

‌The syntax for the Asin function is:

`math.Asin(x)`

#### ‌**Parameters**

x - numeric value. X must be between -1 to 1.

### **Returns**

‌The Asin function returns a number.

### **Applies To**‌

Flow 6‌.14

### **Example**‌

Let's look at some Asin function examples and explore how to use the Asin function.‌

```
Return Math.Asin(1) = 1.5707963267949
```