%I #16 Sep 17 2023 18:48:30
%S 2,1,4,4,5,0,6,9,2,0,5,0,9,5,5,8,6,1,6,3,5,6,2,6,0,7,9,1,0,4,5,9,2,2,
%T 1,8,0,6,8,5,9,3,1,5,7,4,2,7,6,0,6,8,9,8,4,2,9,9,1,3,6,5,2,6,7,0,4,2,
%U 5,5,0,3,9,4,9,8,9,7,5,5,8,0,0,7,4,7,4,0,2,7,1,4,8,3,5,3,0,5,3
%N Decimal expansion of tangent of 65 degrees.
%H Ivan Panchenko, <a href="/A019963/b019963.txt">Table of n, a(n) for n = 1..1000</a>
%e 2.144506920509558616356260791045922180685931574276...
%t RealDigits[Tan[65*Pi/180], 10, 100][[1]] (* _G. C. Greubel_, Nov 21 2018 *)
%t RealDigits[Tan[65 Degree],10,120][[1]] (* _Harvey P. Dale_, Sep 17 2023 *)
%o (PARI) default(realprecision, 100); tan(65*Pi/180) \\ _G. C. Greubel_, Nov 21 2018
%o (Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Tan(65*Pi(R)/180); // _G. C. Greubel_, Nov 21 2018
%o (Sage) numerical_approx(tan(65*pi/180), digits=100) # _G. C. Greubel_, Nov 21 2018
%Y Cf. A019874 (sine of 65 degrees).
%K nonn,cons
%O 1,1
%A _N. J. A. Sloane_
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