A019951 - OEIS

%I #12 Sep 08 2022 08:44:44

%S 1,3,2,7,0,4,4,8,2,1,6,2,0,4,1,0,0,3,7,1,5,9,4,7,2,5,7,4,0,8,6,9,3,2,

%T 4,1,9,9,0,6,0,4,1,2,9,5,5,8,7,6,2,3,0,1,6,2,0,7,7,3,5,6,8,2,5,1,5,9,

%U 1,6,3,4,0,3,0,2,6,0,2,8,9,8,6,9,2,4,9,6,3,3,6,7,6,5,4,3,1,2,3

%N Decimal expansion of tangent of 53 degrees.

%C Also the decimal expansion of cotangent of 37 degrees. - _Ivan Panchenko_, Sep 01 2014

%H Ivan Panchenko, <a href="/A019951/b019951.txt">Table of n, a(n) for n = 1..1000</a>

%e 1.3270448216204100371594725740869324199060412955876230162...

%t RealDigits[Tan[53*Pi/180], 10, 100][[1]] (* _G. C. Greubel_, Nov 22 2018 *)

%o (PARI) default(realprecision, 100); tan(53*Pi/180) \\ _G. C. Greubel_, Nov 22 2018

%o (Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Tan(53*Pi(R)/180); // _G. C. Greubel_, Nov 22 2018

%o (Sage) numerical_approx(tan(53*pi/180), digits=100) # _G. C. Greubel_, Nov 22 2018

%Y Cf. A019862 (sine of 53 degrees).

%K nonn,cons

%O 1,2

%A _N. J. A. Sloane_