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tanh(cos(x)*arcsin(x))=x-4/3!*x^3+60/5!*x^5-2056/7!*x^7+127376/9!*x^9...
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%I #6 Jun 20 2020 16:34:50

%S 1,-4,60,-2056,127376,-11253504,1524986944,-257629834112,

%T 60842617280768,-16737691854400512,6112605714322803712,

%U -2481449664133693548544,1299422306103439813611520

%N tanh(cos(x)*arcsin(x))=x-4/3!*x^3+60/5!*x^5-2056/7!*x^7+127376/9!*x^9...

%t With[{nn=30},Take[CoefficientList[Series[Tanh[Cos[x]ArcSin[x]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, Jun 20 2020 *)

%K sign

%O 0,2

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