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A019883
Decimal expansion of sine of 74 degrees.
4
9, 6, 1, 2, 6, 1, 6, 9, 5, 9, 3, 8, 3, 1, 8, 8, 6, 1, 9, 1, 6, 4, 9, 7, 0, 4, 8, 5, 5, 7, 0, 6, 4, 8, 7, 3, 5, 2, 5, 6, 9, 2, 4, 8, 9, 3, 4, 0, 7, 0, 8, 6, 6, 5, 8, 5, 6, 6, 8, 5, 3, 0, 0, 1, 5, 4, 3, 7, 1, 5, 1, 5, 7, 4, 7, 6, 7, 6, 5, 3, 0, 3, 5, 2, 3, 9, 6, 8, 1, 3, 6, 0, 5, 3, 5, 7, 1, 8, 1
OFFSET
0,1
COMMENTS
Equals sin(37*Pi/90). - Wesley Ivan Hurt, Sep 01 2014
An algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Nov 06 2017
FORMULA
Equals cos(4*Pi/45) = 2F1(19/30,11/30;1/2;3/4) / 2. - R. J. Mathar, Oct 27 2008
Equals 2*A019846*A019862. - R. J. Mathar, Jan 17 2021
EXAMPLE
0.9612616959383188619164970485570648735256924893407086658...
MAPLE
Digits:=100: evalf(sin(37*Pi/90)); # Wesley Ivan Hurt, Sep 01 2014
MATHEMATICA
First@RealDigits[Sin[74 Degree], 10, 120] (* Michael De Vlieger,
Aug 31 2014 *)
PROG
(PARI) cos(4*Pi/45) \\ Charles R Greathouse IV, Nov 06 2017
CROSSREFS
Sequence in context: A298243 A020783 A075567 * A085574 A194825 A092732
KEYWORD
nonn,cons
STATUS
approved