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%I #12 Jun 08 2023 08:51:53
%S 8,5,7,5,5,3,2,1,5,8,4,6,3,9,3,4,1,5,7,4,4,1,0,6,2,7,2,7,6,1,9,8,9,7,
%T 9,1,1,0,5,8,5,8,4,2,4,5,9,7,4,2,4,4,8,8,6,5,2,0,5,5,4,5,0,1,7,5,0,6,
%U 3,2,1,7,3,6,9,7,3,4,9,6,0,6,2,6,8,4,3,0,5,4,7,0,4,2,7,7,7,2,0
%N Decimal expansion of cos(cos(1)).
%H Jens Blanck, <a href="https://doi.org/10.1007/3-540-45335-0_24">Exact real arithmetic systems: results of competition</a>, pp. 389-393 of J. Blanck et al., eds., Computability and Complexity in Analysis (CCA 2000), Lect. Notes Computer Science, Springer-Verlag, 2001; <a href="https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=995022a4b87d399debf7b5bda0b52a3615a8499f">alternative link</a>.
%e 0.85755321584639341574410627276198979110585842459742...
%t RealDigits[Cos[Cos[1]], 10, 120][[1]] (* _Amiram Eldar_, Jun 08 2023 *)
%o (PARI) cos(cos(1)) \\ _Charles R Greathouse IV_, Mar 25 2014
%Y Cf. A049470.
%K cons,nonn
%O 0,1
%A _N. J. A. Sloane_, Jul 15 2003
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