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

Data Analysis

  • Understanding Anova in Excel
  • Create Scatter Chart in Excel
  • What-If Analysis: Scenarios and Goal Seek in Excel
  • Excel Line Chart
  • How to Use Solver Tool in Excel

References

  • How to use Excel OFFSET function
  • Merge tables with VLOOKUP in Excel
  • How to get relative row numbers in a range in Excel
  • Extract all partial matches in Excel
  • Last row number in range

Data Validations

  • Excel Data validation number multiple 100
  • Excel Data validation must contain specific text
  • Excel Data validation allow weekday only
  • Excel Data validation unique values only
  • Excel Data validation exists in list

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Your email address will not be published.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

  • Return blank if in Excel
  • Check multiple cells are equal in Excel
  • AND function: Description, Usage, Syntax, Examples and Explanation
  • IFNA function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel NOT Function

Date Time

  • Excel Date & Time Functions Example
  • Get days, months, and years between dates in Excel
  • Convert decimal seconds to Excel time
  • Convert date string to date time in Excel
  • TIME function: Description, Usage, Syntax, Examples and Explanation

Grouping

  • Categorize text with keywords in Excel
  • How to randomly assign data to groups in Excel
  • Map inputs to arbitrary values in Excel
  • Group numbers with VLOOKUP in Excel
  • Group times into 3 hour buckets in Excel

General

  • How to calculate total from percentage in Excel
  • Check if multiple cells have same value in Excel
  • How to calculate profit margin percentage in Excel
  • How to count total number of cells in a rectangular range in Excel
  • How to make excel worksheets print on one page?
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning