> ## Documentation Index
> Fetch the complete documentation index at: https://docs.anlytic.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Cos

Computes the cosine of the given angle

**Category:** `math`

**Syntax:**

```
Cos([value])
```

**Returns:** `Float`

**Context Filtering:** ✓ Yes

## Parameters

| Name    | Type               | Required | Description                                            |
| ------- | ------------------ | -------- | ------------------------------------------------------ |
| `value` | `number or column` | ✓ Yes    | The angle (in radians) whose cosine will be calculated |

**Allowed Column Types for `value`:** INT, FLOAT, DECIMAL

## Validation

* Minimum parameters: 1
* Maximum parameters: 1

## Examples

```
Cos([Angle])
```

Calculates the cosine for each angle value in the Angle column

```
Cos(0)
```

Returns the cosine of 0 radians
**Result:** `1`