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A051554
Decimal expansion of cos(Pi degrees). (Of course, cos(Pi radians) = -1.)
5
9, 9, 8, 4, 9, 7, 1, 4, 9, 8, 6, 3, 8, 6, 3, 8, 3, 3, 6, 3, 5, 7, 6, 4, 4, 8, 5, 4, 0, 8, 8, 0, 5, 0, 6, 8, 1, 0, 1, 3, 6, 2, 3, 2, 0, 2, 6, 7, 3, 8, 6, 5, 0, 3, 5, 1, 6, 5, 7, 7, 0, 8, 3, 4, 0, 8, 7, 8, 9, 7, 4, 8, 0, 4, 6, 7, 8, 0, 3, 7, 4, 0, 4, 3, 2, 5, 9, 1, 8, 8, 9, 5, 5, 3, 9, 7, 7, 6, 3
OFFSET
0,1
EXAMPLE
cos( Pi^2 / 180 ) = .99849714986...
MATHEMATICA
RealDigits[Cos[Pi Degree], 10, 120][[1]] (* Harvey P. Dale, May 28 2014 *)
PROG
(PARI) cos(Pi^2/180) \\ Charles R Greathouse IV, Nov 05 2017
CROSSREFS
KEYWORD
nonn,cons,easy
STATUS
approved