IMCSC function

This article describes the formula syntax and usage of the IMCSC function in Microsoft Excel.


Returns the cosecant of a complex number in x+yi or x+yj text format.



  • Inumber    Required. A complex number for which you want the cosecant.


  • 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, IMCSC returns the #NUM! error value.

  • If inumber is a logical value, IMCSC returns the #VALUE! error value.


Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.





Returns the cosecant of a complex number, 4+3i.


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