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

Data Analysis

  • Randomize/ Shuffle List in Excel
  • How To Remove Duplicates In Excel Column Or Row?
  • Conditional Formatting New Rule with Formulas in Excel
  • How to create running total in an Excel Table
  • Conflicting Multiple Conditional Formatting Rules in Excel

References

  • Left Lookup in Excel
  • How to use Excel TRANSPOSE Function
  • INDEX function: Description, Usage, Syntax, Examples and Explanation
  • How to get address of first cell in range in Excel
  • How to use Excel COLUMN Function

Data Validations

  • Excel Data validation unique values only
  • How To Create Drop-down List in Excel
  • Excel Data validation must begin with
  • Excel Data validation exists in list
  • Excel Data validation allow uppercase only

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

by

What is SEC function in Excel?

SEC function is one of the Math and Trig functions in Microsoft Excel that returns the secant of an angle.

Syntax of SEC function

SEC(number)

The SEC function syntax has the following arguments.

Number: Number is the angle in radians for which you want the secant.

SEC formula explanation

  • The absolute value of number must be less than 2^27.
  • If the angle is in degrees, either multiply the angle by PI()/180 or use the RADIANS function to covert the angle to radians.
  • If number is outside of its constraints, SEC returns the #NUM! error value.
  • If number is a non-numeric value, SEC returns the #VALUE! error values.

Example of SEC function

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
=SEC(45) Returns the secant of a 45 degree angle. 1.90359
=SEC(30) Returns the secant of a 30 degree angle. 6.48292

Post navigation

Previous Post:

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

Next Post:

Excel Pie Chart

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Your email address will not be published.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

  • IFERROR function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel AND Function
  • OR function: Description, Usage, Syntax, Examples and Explanation
  • How to return blank in place of #DIV/0! error in Excel
  • IFS function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Get fiscal quarter from date in Excel
  • NETWORKDAYS function: Description, Usage, Syntax, Examples and Explanation
  • TIMEVALUE function: Description, Usage, Syntax, Examples and Explanation
  • DATEDIF function: Description, Usage, Syntax, Examples and Explanation
  • Dynamic date list in Excel

Grouping

  • Categorize text with keywords in Excel
  • Group arbitrary text values in Excel
  • Group times into 3 hour buckets in Excel
  • Running count group by n size in Excel
  • Map text to numbers in Excel

General

  • Delete Blank Rows at Once in Excel
  • How to create dynamic named range with INDEX in Excel
  • How to fill cell ranges with random text values in Excel
  • How to set or clear a print area in Excel Worksheet
  • How to calculate percent of students absent in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning