login
A111716
Decimal expansion of abs(log(cosine of 1 degree)).
0
0, 0, 0, 1, 5, 2, 3, 1, 6, 4, 4, 3, 1, 6, 9, 2, 4, 8, 6, 3, 4, 5, 6, 1, 2, 6, 4, 5, 7, 8, 1, 6, 4, 9, 1, 0, 5, 5, 1, 4, 5, 9, 0, 7, 8, 7, 2, 9, 1, 6, 9, 2, 9, 5, 4, 3, 7, 1, 8, 0, 4, 8, 4, 2, 3, 6, 8, 5, 5, 7, 9, 7, 2, 8, 0, 4, 2, 0, 5, 0, 2, 0, 5, 6, 8, 6, 4, 8, 7, 4, 7, 8, 7, 2, 4, 8, 6, 5, 0, 2, 6, 4, 9, 6
OFFSET
0,5
EXAMPLE
0.00015231644316924863456126457816491...
MAPLE
evalf(log(1/cos(Pi/180)), 120); # Alois P. Heinz, Jul 13 2021
MATHEMATICA
Join[{0, 0, 0}, RealDigits[Log[Cos[1 Degree]], 10, 100][[1]]] (* Amiram Eldar, Jul 13 2021 *)
PROG
(PARI) -log(cos(Pi/180)) \\ Charles R Greathouse IV, May 15 2019
CROSSREFS
Cf. A019810.
Sequence in context: A175232 A074640 A089261 * A369456 A178566 A155551
KEYWORD
nonn,cons
AUTHOR
Mohammad K. Azarian, Nov 17 2005
EXTENSIONS
a(101)-a(102) corrected by Georg Fischer, Jul 13 2021
STATUS
approved