OFFSET
0,2
FORMULA
Equals (1/2) * sqrt(2-sqrt(2+sqrt(3))).
EXAMPLE
0.130526192220051591548...
MATHEMATICA
RealDigits[Sin[Pi/24], 10, 100][[1]] (* Amiram Eldar, Apr 27 2021 *)
PROG
(PARI) imag(I^(1/12))
(PARI) sin(Pi/24)
(PARI) sqrt(2-sqrt(2+sqrt(3)))/2
CROSSREFS
KEYWORD
AUTHOR
Seiichi Manyama, Apr 04 2021
STATUS
approved