COT function

This article describes the formula syntax and usage of the COT function (function: A prewritten formula that takes a value or values, performs an operation, and returns a value or values. Use functions to simplify and shorten formulas on a worksheet, especially those that perform lengthy or complex calculations.) in Microsoft Excel.

Description

Return the cotangent of an angle specified in radians.

Syntax

COT(number)

The COT function syntax has the following arguments.

  • Number    Required. The angle in radians for which you want the cotangent.

Remarks

  • The absolute value of Number must be less than 2^27.
  • If Number is outside its constraints, COT returns the #NUM! error value.
  • If Number is a non-numeric value, COT returns the #VALUE! error value.
  • COT(0) returns the #DIV/0! error value.

Example

The workbook below shows examples of this function. Inspect them, change existing formulas, or enter your own formulas to learn how the function works.

To work more in-depth with the example data in Excel, download the embedded workbook to your computer, and then open it in Excel.

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Applies to:
Excel 2013, Excel Online