IMSECH

IMSECH —

IMSECH(inumber)

IMSECH returns the complex hyperbolic secant of the complex number z (inumber), where

sech(z) = 1/cosh(z).

If inumber is not a valid complex number, IMSECH returns #VALUE! error.

IMSECH("1+j") equals 0.498337-0.5910838j.

IMCSCH, IMCOTH.