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

Data Analysis

  • How to Create Column Chart in Excel
  • Conditional Formatting New Rule with Formulas in Excel
  • How to sum a total in multiple Excel tables
  • How to conditionally sum numeric data in an Excel table using SUMIFS
  • Understanding Anova in Excel

References

  • Left Lookup in Excel
  • How to get address of first cell in range in Excel
  • Perform case-sensitive Lookup in Excel
  • How to use Excel FORMULATEXT function
  • Approximate match with multiple criteria in Excel

Data Validations

  • Excel Data validation must begin with
  • Data validation must not exist in list
  • Excel Data validation must contain specific text
  • Excel Data validation require unique number
  • 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Your email address will not be published.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

  • Extract multiple matches into separate rows in Excel
  • How to use Excel XOR Function
  • Nested IF function example in Excel
  • How to return blank in place of #DIV/0! error in Excel
  • FALSE function: Description, Usage, Syntax, Examples and Explanation

Date Time

  • Display Date is workday in Excel
  • Get days before a date in Excel
  • Get age from birthday in Excel
  • Add years to date in Excel
  • How to calculate Day of the Year in Excel

Grouping

  • Map inputs to arbitrary values in Excel
  • Group times into 3 hour buckets in Excel
  • How to randomly assign people to groups in Excel
  • Calculate conditional mode with criteria in Excel
  • Running count group by n size in Excel

General

  • Subtotal by invoice number in Excel
  • Hide and Unhide Columns or Rows in Excel
  • How to get original price from percentage discount in Excel
  • How to get random value from list or table in Excel
  • Creating and Opening an existing file in Excel
© 2026 xlsoffice . All Right Reserved. | Teal Smiles | Abbreviations And Their Meaning