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

Data Analysis

  • How to count table columns in Excel
  • Everything about Charts in Excel
  • How to Sort by Color in Excel
  • How to conditionally sum numeric data in an Excel table using SUMIFS
  • Data Series in Excel

References

  • Get nth match with INDEX / MATCH in Excel
  • Last row number in range
  • Vlookup Examples in Excel
  • How to get last row in mixed data with blanks in Excel
  • Left Lookup in Excel

Data Validations

  • Excel Data validation number multiple 100
  • Excel Data validation with conditional list
  • Excel Data validation require unique number
  • Excel Data validation no punctuation
  • Excel Data validation whole percentage only

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Your email address will not be published.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, AND, OR and NOT Functions Examples in Excel
  • IF function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel AND Function
  • Nested IF function example in Excel
  • How to use Excel TRUE Function

Date Time

  • Add decimal hours to time in Excel
  • Display Days in month in Excel
  • DATEDIF function: Description, Usage, Syntax, Examples and Explanation
  • NOW function: Description, Usage, Syntax, Examples and Explanation
  • WORKDAY.INTL function: Description, Usage, Syntax, Examples and Explanation

Grouping

  • How to randomly assign data to groups in Excel
  • Map text to numbers in Excel
  • Calculate conditional mode with criteria in Excel
  • Group numbers with VLOOKUP in Excel
  • Categorize text with keywords in Excel

General

  • Print Excel Sheet In Landscape Or Portrait
  • Select, Insert, Rename, Move, Delete Worksheets in Excel
  • Creating and Opening an existing file in Excel
  • Find, Select, Replace and Go To Special in Excel
  • Sum by group in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning