# IMCOT

## Content

This function calculates the cotangent of specified complex number.

## Syntax

`IMCOT(complex_num)`

## Arguments

[Required] The *complex\_num* argument is a complex number to return the cotangent for.

## Remarks

An error is returned if the *complex\_num* argument is not in the form "x+yi" or "x+yj".

## Examples

`IMCOT("2-3i")` 
`IMCOT("1-3i")`