IMARCCOTH

IMARCCOTH —

IMARCCOTH(inumber)

IMARCCOTH returns the complex hyperbolic arccotangent of the complex number z (inumber), where

arccoth(z) = arctanh(1/z).

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

IMARCCOTH("1+j") equals 0.40235948-0.5535744j.

IMARCSECH, IMARCCSCH.