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

Data Analysis

  • Conflicting Multiple Conditional Formatting Rules in Excel
  • How to add Trendline to a chart in Excel
  • Understanding Anova in Excel
  • Get column index in Excel Table
  • How To Remove Duplicates In Excel Column Or Row?

References

  • Multi-criteria lookup and transpose in Excel
  • Count rows with at least n matching values
  • How to retrieve first match between two ranges in Excel
  • How to use Excel TRANSPOSE Function
  • Last row number in range

Data Validations

  • Excel Data validation date in next 30 days
  • Data validation must not exist in list
  • Excel Data validation must contain specific text
  • Excel Data validation must begin with
  • 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Your email address will not be published.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

  • Return blank if in Excel
  • How to use Excel XOR Function
  • OR function Examples in Excel
  • IFS function: Description, Usage, Syntax, Examples and Explanation
  • Invoice status with nested if in Excel

Date Time

  • Get day from date in Excel
  • NETWORKDAYS function: Description, Usage, Syntax, Examples and Explanation
  • How to calculate working days left in month in Excel
  • Display Date is same month in Excel
  • Calculate years between dates in Excel

Grouping

  • Group arbitrary text values in Excel
  • How to randomly assign data to groups in Excel
  • Group numbers at uneven intervals in Excel
  • Running count group by n size in Excel
  • Group numbers with VLOOKUP in Excel

General

  • How to calculate percent change in Excel
  • Hide and Unhide Columns or Rows in Excel
  • How to get original number from percent change in Excel
  • How to calculate profit margin percentage in Excel
  • Count cells that contain errors in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning