%I #4 Feb 24 2012 12:51:14
%S 1,-4,40,-934,42648,-3295194,387494364,-64310993478,14291172086544,
%T -4092687247885554,1467156197049970084,-643428519154728257086,
%U 338835140564954843727832,-210975968109576390124392746
%N cos(arctan(x)+sin(x))=1-4/2!*x^2+40/4!*x^4-934/6!*x^6+42648/8!*x^8...
%K sign
%O 0,2
%A Patrick Demichel (patrick.demichel(AT)hp.com)