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IMSECH function: Description, Usage, Syntax, Examples and Explanation

What is IMSECH function in Excel?

IMSECH function is one of Engineering functions in Microsoft Excel that returns the hyperbolic secant of a complex number in x+yi or x+yj text format.

Syntax of IMSECH function


The IMSECH function syntax has the following arguments.

  • Inumber: A complex number for which you want the hyperbolic secant.

IMSECH formula explanation

  • Use COMPLEX to convert real and imaginary coefficients into a complex number.
  • If inumber is a value that is not in the x+yi or x+yj text format, IMSECH returns the #NUM! error value.
  • If inumber is a logical value, IMSECH returns the #VALUE! error value.

Example of IMSECH 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
=IMSECH(“4+3i”) Returns the hyperbolic secant of a complex number, 4+3i. -0.0362534969158689-0.00516434460775318i

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