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

Data Analysis

  • Conditional Formatting Rules in Excel
  • How to add Trendline to a chart in Excel
  • Everything about Charts in Excel
  • How to create running total in an Excel Table
  • How To Sort One Column or Multiple Columns in Excel

References

  • How to use Excel MATCH Function
  • How to get relative column numbers in a range in Excel
  • Find Closest Match in Excel Using INDEX, MATCH, ABS and MIN functions
  • How to use Excel OFFSET function
  • Create hyperlink with VLOOKUP in Excel

Data Validations

  • Excel Data validation exists in list
  • Excel Data validation number multiple 100
  • Prevent invalid data entering in specific cells
  • Excel Data validation must contain specific text
  • Excel Data validation require unique number

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Your email address will not be published.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

  • SWITCH function: Description, Usage, Syntax, Examples and Explanation
  • How to use Excel FALSE Function
  • Check multiple cells are equal in Excel
  • IFS function: Description, Usage, Syntax, Examples and Explanation
  • AND function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Get first Monday before any date in Excel
  • Get days between dates ignoring years in Excel
  • Get month from date in Excel
  • Convert decimal seconds to Excel time
  • Basic Overtime Calculation Formula in Excel

Grouping

  • How to randomly assign people to groups in Excel
  • Map inputs to arbitrary values in Excel
  • Running count group by n size in Excel
  • If cell contains one of many things in Excel
  • Categorize text with keywords in Excel

General

  • Excel Operators
  • How to count total number of cells in a rectangular range in Excel
  • Index and match on multiple columns in Excel
  • AutoRecover file that was never saved in Excel
  • How to increase by percentage in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning