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

Data Analysis

  • How to combine 2 or more chart types in a single chart in Excel
  • Understanding Pivot Tables in Excel
  • How To Load Analysis ToolPak in Excel
  • Conditional Formatting Icon Sets Examples in Excel
  • How To Create Pareto Chart in Excel

References

  • How to reference named range different sheet in Excel
  • Count unique text values with criteria
  • Basic INDEX MATCH approximate in Excel
  • How to use Excel COLUMN Function
  • How to calculate two-way lookup VLOOKUP in Excel Table

Data Validations

  • Excel Data validation must not contain
  • Excel Data validation require unique number
  • Excel Data validation don’t exceed total
  • Excel Data validation whole percentage only
  • Excel Data validation number multiple 100

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Your email address will not be published.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

  • How to use Excel XOR Function
  • Complete List of Excel Logical Functions, References and Examples
  • XOR function: Description, Usage, Syntax, Examples and Explanation
  • IF with wildcards in Excel
  • IF with boolean logic in Excel

Date Time

  • How to calculate most recent day of week in Excel
  • How to calculate Next working/business day in Excel
  • How to calculate working days left in month in Excel
  • Convert date string to date time in Excel
  • Get last working day in month in Excel

Grouping

  • Group numbers at uneven intervals in Excel
  • Group numbers with VLOOKUP in Excel
  • Group times into unequal buckets in Excel
  • How to randomly assign people to groups in Excel
  • Group arbitrary text values in Excel

General

  • How to generate random date between two dates in Excel
  • 44 Practical Excel IF function Examples
  • List worksheet index numbers in Excel
  • How to get original number from percent change in Excel
  • How to generate random times at specific intervals in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning