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A347201
Decimal expansion of sin(sqrt(2)).
0
9, 8, 7, 7, 6, 5, 9, 4, 5, 9, 9, 2, 7, 3, 5, 5, 2, 7, 0, 6, 9, 1, 3, 4, 0, 7, 2, 0, 7, 8, 9, 4, 2, 6, 5, 5, 9, 0, 6, 7, 9, 3, 1, 2, 9, 5, 1, 6, 0, 3, 7, 1, 9, 6, 0, 3, 8, 7, 6, 3, 6, 8, 5, 5, 0, 2, 9, 1, 3, 7, 2, 3, 0, 9, 3, 0, 1, 1, 6, 2, 9, 3, 9, 9, 7, 6, 2
OFFSET
0,1
FORMULA
Equals sqrt(2) * Sum_{n>=0) (-1)^n/A007019(n) = sqrt(2) * Sum_{n>=0) (-2)^n/(2*n+1)!. - Amiram Eldar, Jun 01 2023
EXAMPLE
0.98776594599273552706913407207894265590...
MATHEMATICA
RealDigits[Sin[Sqrt[2]], 10, 120][[1]] (* Amiram Eldar, Jun 01 2023 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Sean A. Irvine, Aug 22 2021
STATUS
approved