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How to Use Excel IMCOS Function?

IMCOS FunctionPin
IMCOS Function

Excel is a spreadsheet program that is developed for WindowsMacAndroid, and iOS. It helps to perform calculations on your PC. The purpose of this software is to do complicated calculations which are difficult to do manually. If you want to get the cosine of the complex number, we suggest you use the IMCOS function.

In this blog post, we will explain to you how to use Excel IMCOS Function. Get an official version of MS Excel from the following link:

Excel IMCOS FunctionPin
Excel IMCOS Function

Description of IMCOS Function

  • It is one of the built-in functions in Microsoft Excel.
  • The IMCOS function returns the cosine of a complex number.
  • The given complex number can be in x + yi or x + yj text format.


  • Here, you will see the syntax of the IMCOS function.
  • To apply this function on your spreadsheet, you have to select a cell and enter the formula in the following format.
  • Once you enter the formula, just click on the Enter button to get the result.


Syntax Explanation:

  • inumber The complex number having both real & imaginary.


Here, we come up with some examples to know how to use the IMCOS function in the Excel spreadsheet.

  • Initially, you have to open your Excel workbook on your PC and launch a worksheet that has data.
  • For example, we have given the complex numbers in Column B, and we will get the cosine of these complex numbers using the IMCOS function.
Input ValuesPin
Input Values
  • Then, you have to enter the formula in the cell as shown below to get the result.
Enter the formulaPin
Enter the formula
  • After entering the formula, you need to click the Enter button to get the output, as shown below. You can drag down the cell to fill the remaining cells.


We hope that this short tutorial gives you guidelines to use Excel IMCOS Function. Please leave a comment in case of any queries, and don’t forget to mention your valuable suggestions as well. To learn more about Excel functions, then visit our webpage

Video Tutorial

Use the following video to know how to apply the Excel IMCOS function in the spreadsheet.

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