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

Data Analysis

  • How To Compare Two Lists in Excel
  • How to calculate correlation coefficient Correlation in Excel
  • How to calculate average last N values in a table in Excel
  • Subtotal function in Excel
  • How To Remove Duplicates In Excel Column Or Row?

References

  • Get nth match with INDEX / MATCH in Excel
  • How to calculate two-way lookup VLOOKUP in Excel Table
  • How to use Excel ROWS Function
  • How to get last row in text data in Excel
  • Perform case-sensitive Lookup in Excel

Data Validations

  • Excel Data validation number multiple 100
  • Data validation must not exist in list
  • Excel Data validation with conditional list
  • Excel Data validation allow uppercase only
  • Excel Data validation must begin with

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Your email address will not be published.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 FALSE Function
  • IF function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel OR Function
  • How to use Excel AND Function
  • SWITCH function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • DAYS function: Description, Usage, Syntax, Examples and Explanation
  • YEARFRAC function: Description, Usage, Syntax, Examples and Explanation
  • Convert date string to date time in Excel
  • How to Calculate Age in Excel
  • Calculate expiration date in Excel

Grouping

  • Group times into 3 hour buckets in Excel
  • Group times into unequal buckets in Excel
  • Calculate conditional mode with criteria in Excel
  • Group numbers with VLOOKUP in Excel
  • Map inputs to arbitrary values in Excel

General

  • How to add sequential row numbers to a set of data in Excel
  • Basic text sort formula in Excel
  • Index and match on multiple columns in Excel
  • Excel Operators
  • Split Cell Content Using Text to Columns in Excel
© 2025 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning