Take the arcsecant of both sides of the equation
arcsec(sec(0)) = arcsec(1)
0 = arcsec(1)
arcsec(sec(0)) = arcsec(1)
0 = arcsec(1)
-
arcsec is the inverse of sec. its not easy to see or compute but after a lengthy calculation, they are inversely related.
-
the question is not clear.