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%I #7 Nov 21 2024 07:47:31
%S 8,1,2,7,5,5,5,6,1,3,6,8,6,6,0,6,5,8,7,7,4,3,4,9,3,8,0,6,5,8,6,1,8,5,
%T 2,5,3,4,2,0,0,3,5,0,0,3,9,7,0,3,8,3,2,9,5,8,5,7,0,0,9,5,9,9,3,2,1,8,
%U 3,0,2,1,7,0,0,0,4,0,8,3,2,0,7,8,7,7,1,1,8,5,9,8,7,0,1,4,7,2,9,1,7,5,7,9,6
%N Decimal expansion of arccos(11/16).
%C Angle in radians of the larger acute angle of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths.
%C A140240 + A140242 + A140244 = arccos(7/8) + arccos(11/16) + arccos(-1/4) = Pi.
%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F arccos(11/16) = arcsin(3*sqrt(15)/16) = arctan(3*sqrt(15)/11).
%e 0.81275556136866065877434938065861852534200350039703832958570095993218302170...
%t RealDigits[ArcCos[11/16],10,120][[1]] (* _Harvey P. Dale_, Aug 15 2024 *)
%o (PARI) acos(11/16)
%Y Cf. A140239, A140240, A140241, A140243, A140244, A140245, A140246, A140247, A140248, A140249.
%K cons,nonn
%O 0,1
%A _Rick L. Shepherd_, May 14 2008