What is IMSEC function in Excel?
The IMSEC function is one of the Engineering functions of Excel.
It Returns the secant of a complex number.
We can find this function in Engineering of insert function Tab.
How to use IMSEC function in excel
- Click on an empty cell (like F5).

2. Click on the fx icon (or press shift+F3).

3. In the insert function tab you will see all functions.

4. Select ENGINEERING category.
5. Select IMSEC function
6. Then select ok.

7. In the function arguments Tab you will see IMSEC function.
8. Inumber section is a complex number for which you want the secant.
9. You will see the results in the formula result section.

Examples of IMSEC function in Excel

IMSEC related functions
- Use SEC function to return the secant of an angle.
- Use SECH function to return the hyperbolic secant of an angle.
- Use IMSECH function to return the hyperbolic secant of a complex number.