IMSIN(inumber)

Returns the sine of a complex number.

inumberThe complex number for which you want the sine.

Remarks

* If "inumber" is not in the form x + yi or x + yj, then #NUM! is returned.
* You can use the IMCOS function to return the cosine of a complex number.
* You can use the IMTAN function to return the tangent of a complex number.
* You can use the COMPLEX function to convert real and imaginary coefficients into a complex number.
* In Excel 2007 the format returned by this function has been changed so that the imaginary part is displayed in consistent scientific notation.
* In Excel 2007 the accuracy of this function was improved.
* In Excel 2003 this function was only available when you had the Analysis ToolPak add-in loaded.
* For the Microsoft documentation refer to support.office.com

 A
1=IMSIN("3+4i") = 3.85373803791938-27.0168132580039i
2=IMSIN("2i") = 3.62686040784702i
3=IMSIN("2") = 0.909
4=TEXT(IMSIN("2"),"0.000") = 0.909
5=IMSIN("some text") = #NUM!


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