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

Data Analysis

  • Understanding Pivot Tables in Excel
  • Conflicting Multiple Conditional Formatting Rules in Excel
  • How to count table rows in Excel
  • Chart Axes in Excel
  • How to calculate correlation coefficient Correlation in Excel

References

  • Offset in Excel
  • Count rows with at least n matching values
  • How to use Excel ROW Function
  • How to get first column number in range in Excel
  • MATCH function: Description, Usage, Syntax, Examples and Explanation

Data Validations

  • Excel Data validation number multiple 100
  • Data validation must not exist in list
  • How To Create Drop-down List in Excel
  • Excel Data validation whole percentage only
  • Excel Data validation only dates between

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Your email address will not be published.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

  • IF with wildcards in Excel
  • How to use IFS function in Excel
  • Return blank if in Excel
  • OR function: Description, Usage, Syntax, Examples and Explanation
  • FALSE function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Convert Excel time to Unix time in Excel
  • HOUR function: Description, Usage, Syntax, Examples and Explanation
  • Count times in a specific range in Excel
  • Add business days to date in Excel
  • Assign points based on late time in Excel

Grouping

  • Map inputs to arbitrary values in Excel
  • If cell contains one of many things in Excel
  • Group times into unequal buckets in Excel
  • Group numbers at uneven intervals in Excel
  • Categorize text with keywords in Excel

General

  • How to generate random date between two dates in Excel
  • Select, Insert, Rename, Move, Delete Worksheets in Excel
  • Flash Fill in Excel
  • 3D SUMIF for multiple worksheets in Excel
  • Lock Cells in a Worksheet Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning