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

Data Analysis

  • Subtotal function in Excel
  • Everything about Charts in Excel
  • Conflicting Multiple Conditional Formatting Rules in Excel
  • Reverse List in Excel
  • Conditional Formatting Data bars Examples in Excel

References

  • How to get last row in numeric data in Excel
  • How to use Excel MMULT Function
  • Approximate match with multiple criteria in Excel
  • Two-way lookup with VLOOKUP in Excel
  • Two-column Lookup in Excel

Data Validations

  • How To Create Drop-down List in Excel
  • Excel Data validation exists in list
  • Excel Data validation whole percentage only
  • Excel Data validation number multiple 100
  • Excel Data validation allow weekday 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Your email address will not be published.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

  • Nested IF function example in Excel
  • How to use Excel OR Function
  • IF with boolean logic in Excel
  • NOT function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel XOR Function

Date Time

  • Calculate series of dates by workdays in Excel
  • Get days between dates ignoring years in Excel
  • Display Days until expiration date in Excel
  • WEEKDAY function: Description, Usage, Syntax, Examples and Explanation
  • DAY function: Description, Usage, Syntax, Examples and Explanation

Grouping

  • Calculate conditional mode with criteria in Excel
  • Group numbers at uneven intervals in Excel
  • How to randomly assign data to groups in Excel
  • How to randomly assign people to groups in Excel
  • Map inputs to arbitrary values in Excel

General

  • Freeze and Unfreeze Panes in Excel
  • Mark Workbook as Final in Excel
  • How to fill cell ranges with random number from fixed set of options in Excel
  • How to Delete Cells, Row and Rows in Excel
  • Create dynamic workbook reference to another workbook in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning