IMSECH

IMSECH(inumber)

Returns the hyperbolic secant of a complex number.

inumber

The complex number.

REMARKS

* If "inumber" is not in the form x + yi or x + yj, then #NUM! is returned.
* You can use the COMPLEX function to convert real and imaginary coefficients into a complex number.
* This function was added in Excel 2013.
* For the Microsoft documentation refer to support.microsoft.com

	A
1	=IMSECH("3+4i") = -0.065294027857947+0.0752249603027732i
2	=IMSECH("2i") = -2.403
3	=IMSECH("2") = 0.266
4	=TEXT(IMSECH("2"), "0.000") = 0.266
5	=IMSECH("some text") = #NUM!