﻿ IMARGUMENT function

# IMARGUMENT function

Returns the argument (theta), an angle expressed in radians, such that:

Syntax

IMARGUMENT(inumber)

Inumber     is a complex number for which you want the argument .

Remarks

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

• IMARGUMENT is calculated as follows:

where:

and

z = x + yi

Example

The example may be easier to understand if you copy it to a blank worksheet.

How to copy an example

1. Create a blank workbook or worksheet.

2. Select the example in the Help topic.

Note   Do not select the row or column headers.

Selecting an example from Help

3. Press CTRL+C.

4. In the worksheet, select cell A1, and press CTRL+V.

5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

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 A B Formula Description (Result) =IMARGUMENT("3+4i") Theta argument of 3+4i, in radians (0.927295)

Applies To: Excel 2007

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