IMARCSEC

IMARCSEC —

IMARCSEC(inumber)

IMARCSEC returns the complex arcsecant of the complex number z (inumber), where

arcsec(z) = arccos(1/z).

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

IMARCSEC("1+j") equals 1.1185179+0.5306375j.

IMARCCSC, IMARCCOT.