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

Data Analysis

  • How to Create Gantt Chart in Excel
  • Excel Frequency Function Example
  • Conditional Formatting New Rule with Formulas in Excel
  • Get column index in Excel Table
  • How to Sort by Color in Excel

References

  • INDEX function: Description, Usage, Syntax, Examples and Explanation
  • Create hyperlink with VLOOKUP in Excel
  • Approximate match with multiple criteria in Excel
  • Complete List of Excel Lookup and Reference Functions, References and Examples
  • How to get last row in text data in Excel

Data Validations

  • Excel Data validation allow weekday only
  • Excel Data validation number multiple 100
  • Data validation must not exist in list
  • Excel Data validation allow uppercase only
  • How To Create Drop-down List in Excel

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Your email address will not be published.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

  • How to use Excel OR Function
  • IFERROR function: Description, Usage, Syntax, Examples and Explanation
  • OR function Examples in Excel
  • IF, AND, OR and NOT Functions Examples in Excel
  • IF with boolean logic in Excel

Date Time

  • WEEKDAY function: Description, Usage, Syntax, Examples and Explanation
  • NETWORKDAYS function: Description, Usage, Syntax, Examples and Explanation
  • Display Days until expiration date in Excel
  • Extract date from a date and time in Excel
  • How to calculate most recent day of week in Excel

Grouping

  • Group times into unequal buckets in Excel
  • How to randomly assign data to groups in Excel
  • Group times into 3 hour buckets in Excel
  • Group numbers at uneven intervals in Excel
  • Categorize text with keywords in Excel

General

  • Excel Ribbon Quick Overview For Beginners
  • Automatically fill series of cells in Excel using AutoFill
  • Excel Default Templates
  • How to count total number of cells in a rectangular range in Excel
  • Share Excel data with Word documents
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning