Mysql Cot Function

MySQL: COT Function

This tutorial explains how to use the MySQL COT function with syntax and examples.


The MySQL COT function returns the cotangent of a number.


The syntax for the COT function in MySQL is:

COT( number )

Parameters or Arguments


The number used to calculate the cotangent.


  • The COT function will return NULL or an error (depending on your version of MySQL), if number is 0.

Applies To

The COT function can be used in the following versions of MySQL:

  • MySQL 5.7, MySQL 5.6, MySQL 5.5, MySQL 5.1, MySQL 5.0, MySQL 4.1, MySQL 4.0, MySQL 3.23


Let's look at some MySQL COT function examples and explore how to use the COT function in MySQL.

For example:

mysql> SELECT COT(4);
Output: 0.8636911544506167

mysql> SELECT COT(-1);
Output: -0.6420926159343306

mysql> SELECT COT(3.4);
Output: 3.7833373375604737