%I #4 Feb 24 2012 12:51:28
%S 1,0,0,-90,2520,-368550,31808700,-7577019450,1338322986000,
%T -493346972868750,147490229469082500,-78563939419056341250,
%U 35612399584500073335000,-25974260672177759785593750
%N cos(arcsin(x)-arctan(x))=1-90/6!*x^6+2520/8!*x^8-368550/10!*x^10...
%K sign
%O 0,4
%A Patrick Demichel (patrick.demichel(AT)hp.com)