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arcsinh(arctan(x)+tan(x))=2*x-8/3!*x^3+328/5!*x^5-32608/7!*x^7...
0

%I #4 Feb 24 2012 12:51:15

%S 2,-8,328,-32608,6483328,-2134642688,1052574333952,-725748770065408,

%T 666646160260988928,-786828198376481390592,1160307802288187922251776,

%U -2090565114493628148202864640

%N arcsinh(arctan(x)+tan(x))=2*x-8/3!*x^3+328/5!*x^5-32608/7!*x^7...

%K sign

%O 0,1

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