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sech(sin(x)-tan(x))=1-90/6!*x^6-2520/8!*x^8-126630/10!*x^10...
0

%I #4 Feb 24 2012 12:51:27

%S 1,0,0,-90,-2520,-126630,-2243340,382612230,134674853040,

%T 26271944587890,4394379581092620,324925984573170750,

%U -181350289825568364600,-145875833202121504544790

%N sech(sin(x)-tan(x))=1-90/6!*x^6-2520/8!*x^8-126630/10!*x^10...

%K sign

%O 0,4

%A Patrick Demichel (patrick.demichel(AT)hp.com)