Skip to content
Free Excel Tutorials
  • Home
  • Excel For Beginners
  • Excel Intermediate
  • Advanced Excel For Experts

Data Analysis

  • How to combine 2 or more chart types in a single chart in Excel
  • How to sum a total in multiple Excel tables
  • Excel Line Chart
  • Managing Conditional Formatting Rules in Excel
  • Conditional Formatting Icon Sets Examples in Excel

References

  • Find closest match in Excel
  • How to get last row in mixed data with blanks in Excel
  • Complete List of Excel Lookup and Reference Functions, References and Examples
  • How to use Excel FORMULATEXT function
  • Excel Advanced Lookup using Index and Match Functions

Data Validations

  • Excel Data validation date in next 30 days
  • How To Create Drop-down List in Excel
  • Excel Data validation unique values only
  • Excel Data validation require unique number
  • Data validation must not exist in list

IMCOS function: Description, Usage, Syntax, Examples and Explanation

by

What is IMCOS function in Excel?

IMCOS function is one of Engineering functions in Microsoft Excel that returns the cosine of a complex number in x + yi or x + yj text format.

Syntax of IMCOS function

IMCOS(inumber)

The IMCOS function syntax has the following arguments:

  • Inumber: A complex number for which you want the cosine.

IMCOS formula explanation

  • Use COMPLEX to convert real and imaginary coefficients into a complex number.
  • If inumber is a logical value, IMCOS returns the #VALUE! error value.
  • The cosine of a complex number is:Equation

Example

Steps to follow:

1. Open a new Excel worksheet.

2. Copy data in the following table below and paste it in cell A1

Note: For formulas to show results, select them, press F2 key on your keyboard and then press Enter.

You can adjust the column widths to see all the data, if need be.

Formula Description Result
=IMCOS(“1+i”) Cosine of 1+i 0.833730025131149-0.988897705762865i

Post navigation

Previous Post:

How to generate random date between two dates in Excel

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Learn Basic Excel

Ribbon
Workbook
Worksheets
Format Cells
Find & Select
Sort & Filter
Templates
Print
Share
Protect
Keyboard Shortcuts

Categories

  • Charts
  • Data Analysis
  • Data Validation
  • Excel Functions
    • Cube Functions
    • Database Functions
    • Date and Time Functions
    • Engineering Functions
    • Financial Functions
    • Information Functions
    • Logical Functions
    • Lookup and Reference Functions
    • Math and Trig Functions
    • Statistical Functions
    • Text Functions
    • Web Functions
  • Excel VBA
  • Excel Video Tutorials
  • Formatting
  • Grouping
  • Others

Logical Functions

  • Return blank if in Excel
  • SWITCH function example in Excel
  • Complete List of Excel Logical Functions, References and Examples
  • How to use Excel AND Function
  • Not Equal To ‘<>‘ operator in Excel

Date Time

  • Next biweekly payday from date in Excel
  • DATEDIF function: Description, Usage, Syntax, Examples and Explanation
  • Count times in a specific range in Excel
  • TIMEVALUE function: Description, Usage, Syntax, Examples and Explanation
  • Get first day of previous month in Excel

Grouping

  • Running count group by n size in Excel
  • If cell contains one of many things in Excel
  • Group numbers at uneven intervals in Excel
  • Map inputs to arbitrary values in Excel
  • Map text to numbers in Excel

General

  • How to calculate decrease by percentage in Excel
  • How to Create Calendar in Excel
  • Check if multiple cells have same value in Excel
  • With vs Without Array Formula in Excel
  • How to generate random number weighted probability in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning