# Cos

### **Description**‌

The Cos function returns the cosine of a number.

### **Syntax**

‌The syntax for the Cos function is:

`math.Cos(x)`

#### ‌**Parameters**

x - numeric value.

### **Returns**

‌The Cos function returns a number.

### **Applies To**‌

Flow 6‌.14

### **Example**‌

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

```
Return Math.Cos(30) = 0.154251449887584
```