IMARCSIN

IMARCSIN —

IMARCSIN(inumber)

IMARCSIN returns the complex arcsine of the complex number inumber. The branch cuts are on the real axis, less than -1 and greater than 1.

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

IMARCSIN("1+j") equals 0.6662394+1.061275j.

IMARCCOS, IMARCTAN.