Saturday, January 19, 2019

IMCOS function

IMCOS function

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

Description

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

Syntax

IMCOS(inumber)

The IMCOS function syntax has the following arguments:

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

Remarks

  • Use COMPLEX to convert real and imaginary coefficients into a complex number.

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

  • The cosine of a complex number is:

    Equation

Example

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.

Formula

Description

Result

=IMCOS("1+i")

Cosine of 1+i

0.833730025131149-0.988897705762865i

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