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

Data Analysis

  • Example of COUNTIFS with variable table column in Excel
  • Excel Bar Chart
  • Conditional Formatting New Rule with Formulas in Excel
  • How To Create Frequency Distribution in Excel
  • How to add Trendline to a chart in Excel

References

  • How to get first column number in range in Excel
  • Left Lookup in Excel
  • Find closest match in Excel
  • How to use Excel COLUMN Function
  • How to use Excel MMULT Function

Data Validations

  • How To Create Drop-down List in Excel
  • Prevent invalid data entering in specific cells
  • Excel Data validation require unique number
  • Excel Data validation date in specific year
  • Excel Data validation must not contain

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Your email address will not be published.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

  • Complete List of Excel Logical Functions, References and Examples
  • SWITCH function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel NOT Function
  • IF, AND, OR and NOT Functions Examples in Excel
  • How to use Excel OR Function

Date Time

  • DATE function: Description, Usage, Syntax, Examples and Explanation
  • How to calculate percent of year complete in Excel
  • MONTH function: Description, Usage, Syntax, Examples and Explanation
  • Pad week numbers with zeros in Excel
  • Sum through n months in Excel

Grouping

  • How to randomly assign data to groups in Excel
  • Group times into 3 hour buckets in Excel
  • Group numbers with VLOOKUP in Excel
  • Calculate conditional mode with criteria in Excel
  • How to randomly assign people to groups in Excel

General

  • Select, Insert, Rename, Move, Delete Worksheets in Excel
  • How to calculate percent change in Excel
  • Freeze and Unfreeze Panes in Excel
  • How to generate random number weighted probability in Excel
  • 44 Practical Excel IF function Examples
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning