What is SECH Function in Excel?
The SECH function is one of the math functions of Excel.
It Returns the hyperbolic secant of an angle.
We can find this function in Math & trig category of insert function Tab.
How to use SECH 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 math and trig category
5. Select SECH function
6. Then select ok

7. In the function arguments Tab you will see SECH function
8. Number is the angle in radians for which you want the hyperbolic secant
9. You will see results in the formula result section

Examples of SECH function in Excel
Example 1:
How to use SECH function in excel
You can see examples of SECH function below:

sech(1) ----->>>>answer is 0.648
sech(0.5) ----->>>>answer is 0.886
sech(0.1) ----->>>>answer is 0.995
sech(-0.5) ----->>>>answer is 0.886
sech(-0.1) ----->>>>answer is 0.995
What is the purpose of SECH function?
It Returns the hyperbolic secant of an angle.
What is the Return value of SECH function?
It returns a number.
How many arguments does SECH function have?
This function has just 1 Argument.
The argument of SECH function is number.
Number is the angle in radians for which you want the hyperbolic secant.
The argument of SECH function is required and not optional.
SECH(number) = number
Which version of excel supports SECH function?
This function is available for all excel versions (2003-2019)