A019925 - OEIS

%I #11 Sep 01 2014 06:02:29

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

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

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

%N Decimal expansion of tangent of 27 degrees.

%C Also the decimal expansion of cotangent of 63 degrees. - _Mohammad K. Azarian_, Jun 30 2013

%H Ivan Panchenko, <a href="/A019925/b019925.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>

%K nonn,cons

%O 0,1

%A _N. J. A. Sloane_.