Returns the cosine of a complex number in x + yi or x + yj text format.
expression . ImCos( Arg1 )
expression A variable that represents a WorksheetFunction object.
| Name | Required/Optional | Data Type | Description |
|---|---|---|---|
| Arg1 | Required | Variant | Inumber - a complex number for which you want the cosine. |
String
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Use COMPLEX to convert real and imaginary coefficients into a complex number.
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If inumber is a logical value, IMCOS returns the #VALUE! error value.
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The cosine of a complex number is:
