# **COT()**

## **Function Description**

The COT() function returns the cotangent value of the input parameter (denoted in radians).

## **Function Syntax**

```text
> COT(number)
```

## **Parameter definition**

| Parameters | Description |
| ---- | ---- |
| number | Required parameters, any numerical data type can be taken |

## **Example**

```text
mysql> SELECT COT(12);
+--------------------------+
| cot(12) |
+--------------------------+
| -1.5726734063976895 |
+--------------------------+
1 row in set (0.00 sec)
```

```text
drop table if exists t1;
create table t1(a int,b float);
insert into t1 values(1,3.14159);
insert into t1 values(-1,12);

mysql> select cot(a), cot(b) from t1;
+------------------------------------------------------------------------------------------------------------------------------
| cot(a) | cot(b) |
+------------------------------------------------------------------------------------------------------------------------------
| 0.6420926159343306 | -394449.0619219334 |
| -0.6420926159343308 | -1.5726734063976895 |
+------------------------------------------------------------------------------------------------------------------------------
2 rows in set (0.01 sec)
```