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A111691
Decimal expansion of the fourth root of cosine of 1 degree.
0
9, 9, 9, 9, 6, 1, 9, 2, 1, 6, 1, 4, 2, 0, 7, 8, 2, 4, 7, 2, 5, 2, 3, 7, 8, 6, 3, 6, 0, 4, 9, 4, 7, 1, 2, 5, 5, 1, 7, 1, 0, 2, 7, 3, 4, 3, 7, 7, 2, 7, 5, 8, 3, 5, 7, 7, 6, 6, 7, 5, 4, 1, 2, 7, 9, 3, 4, 3, 1, 1, 6, 5, 2, 6, 6, 0, 7, 4, 4, 7, 5, 8, 7, 0, 7, 9, 3, 4, 0, 4, 7, 1, 9, 4, 5, 0, 8, 8, 5, 4
OFFSET
0,1
COMMENTS
An algebraic number of degree 192 and denominator 2. - Charles R Greathouse IV, Aug 26 2017
MATHEMATICA
First[RealDigits[Cos[Pi/180]^(1/4), 10, 100]] (* Paolo Xausa, Jun 18 2024 *)
PROG
(PARI) sqrtn(cos(Pi/180), 4) \\ Charles R Greathouse IV, Aug 26 2017
CROSSREFS
Cf. A019810.
Sequence in context: A258816 A291430 A146494 * A093409 A111692 A231984
KEYWORD
nonn,cons
AUTHOR
Mohammad K. Azarian, Nov 17 2005
STATUS
approved