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

Data Analysis

  • Excel Frequency Function Example
  • Managing Conditional Formatting Rules in Excel
  • Conflicting Multiple Conditional Formatting Rules in Excel
  • How to count table rows in Excel
  • How To Create Frequency Distribution in Excel

References

  • Extract all partial matches in Excel
  • Count rows with at least n matching values
  • Lookup entire row in Excel
  • How to use Excel COLUMN Function
  • How to use Excel OFFSET function

Data Validations

  • Excel Data validation allow uppercase only
  • Excel Data validation allow weekday only
  • Prevent invalid data entering in specific cells
  • Excel Data validation unique values only
  • Excel Data validation number multiple 100

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Your email address will not be published.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
  • NOT function: Description, Usage, Syntax, Examples and Explanation
  • IF with boolean logic in Excel
  • IF, AND, OR and NOT Functions Examples in Excel
  • SWITCH function example in Excel

Date Time

  • Count holidays between two dates in Excel
  • How to calculate workdays per month in Excel
  • Count dates in current month in Excel
  • Calculate years between dates in Excel
  • List holidays between two dates in Excel

Grouping

  • How to randomly assign people to groups in Excel
  • Group times into 3 hour buckets in Excel
  • Group numbers at uneven intervals in Excel
  • If cell contains one of many things in Excel
  • Categorize text with keywords in Excel

General

  • List sheet names with formula in Excel
  • Transpose: Switch ‘Rows to Columns’ or ‘Columns to Rows’ in Excel
  • Spell Check in Excel
  • Subtotal by color in Excel
  • How to generate random number weighted probability in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning