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%I #10 Nov 24 2016 09:12:58
%S 8,0,9,7,8,4,0,3,3,1,9,5,0,0,7,1,4,8,0,3,6,9,9,1,3,7,4,2,3,5,7,7,1,2,
%T 2,5,2,1,6,5,5,6,4,9,2,5,8,0,5,9,2,5,1,7,6,3,0,3,6,9,3,0,4,9,3,9,0,5,
%U 6,4,5,5,5,1,6,3,6,0,7,8,9,5,9,1,8,3,8,6,7,5,6,6,9,9,6,6,7,6,7
%N Decimal expansion of tangent of 39 degrees.
%C Also the decimal expansion of cotangent of 51 degrees. - _Ivan Panchenko_, Aug 01 2014
%H Ivan Panchenko, <a href="/A019937/b019937.txt">Table of n, a(n) for n = 0..1000</a>
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Exact_trigonometric_constants">Exact trigonometric constants</a>
%t RealDigits[Tan[39 Degree],10,120][[1]] (* _Harvey P. Dale_, Nov 24 2016 *)
%K nonn,cons
%O 0,1
%A _N. J. A. Sloane_.