integral() can give answer with arcsec in (but arcsec isn't defined)

[murkle]

Algebrite.run("integral(1/x^3*1/sqrt(x^2-4))")
"1/16 arcsec(1/2 x) + (x^2 - 4)^(1/2) / (8 x^2)"

arcsec isn't defined in Algebrite. Also arcsec is a pretty rare/unusual function so an answer in terms of atan() might be more useful eg
sqrt(-a+x^2)/2/a/(-a+x^2+a)+1/a/2/sqrt(a)*atan(sqrt(-a+x^2)/sqrt(a))

and there are a couple of other integrals that use arcsec.