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

Data Analysis

  • Excel Pie Chart
  • Randomize/ Shuffle List in Excel
  • How to calculate current stock or inventory in Excel
  • Number and Text Filters Examples in Excel
  • How to count table rows in Excel

References

  • How to reference named range different sheet in Excel
  • Convert text string to valid reference in Excel using Indirect function
  • Multi-criteria lookup and transpose in Excel
  • Two-column Lookup in Excel
  • How to use Excel ROWS Function

Data Validations

  • Excel Data validation number multiple 100
  • Excel Data validation don’t exceed total
  • Data validation must not exist in list
  • Excel Data validation unique values only
  • Excel Data validation require unique number

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Your email address will not be published.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

  • NOT function: Description, Usage, Syntax, Examples and Explanation
  • Return blank if in Excel
  • Extract multiple matches into separate rows in Excel
  • SWITCH function example in Excel
  • IF with boolean logic in Excel

Date Time

  • Dynamic date list in Excel
  • How to get same date next month or previous month in Excel
  • How to get Weekdays, Working days between Two Dates in Excel
  • Count holidays between two dates in Excel
  • ISOWEEKNUM function: Description, Usage, Syntax, Examples and Explanation

Grouping

  • Map text to numbers in Excel
  • If cell contains one of many things in Excel
  • Categorize text with keywords in Excel
  • Map inputs to arbitrary values in Excel
  • How to randomly assign people to groups in Excel

General

  • Spell Check in Excel
  • Transpose: Switch ‘Rows to Columns’ or ‘Columns to Rows’ in Excel
  • How to generate random times at specific intervals in Excel
  • List worksheet index numbers in Excel
  • How to get random value from list or table in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning