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A201578
Decimal expansion of least x satisfying x^2 + 10 = csc(x) and 0 < x < Pi.
4
1, 0, 0, 0, 6, 6, 8, 8, 4, 0, 7, 2, 9, 1, 9, 3, 0, 9, 2, 7, 9, 8, 0, 5, 3, 8, 4, 4, 5, 9, 3, 8, 1, 1, 1, 5, 0, 6, 0, 7, 1, 7, 8, 5, 4, 6, 9, 8, 0, 2, 2, 5, 0, 0, 6, 0, 9, 9, 9, 8, 6, 7, 6, 2, 9, 6, 3, 7, 6, 9, 7, 5, 0, 6, 9, 5, 8, 2, 6, 1, 7, 7, 6, 0, 5, 8, 1, 0, 9, 3, 5, 5, 1, 2, 5, 2, 5, 1, 2
OFFSET
0,5
COMMENTS
See A201564 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
least: 0.100066884072919309279805384459381115060...
greatest: 3.090421270152151453651497443899920534...
MATHEMATICA
a = 1; c = 10;
f[x_] := a*x^2 + c; g[x_] := Csc[x]
Plot[{f[x], g[x]}, {x, 0, Pi}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .1, .2}, WorkingPrecision -> 110]
RealDigits[r] (* A201578 *)
r = x /. FindRoot[f[x] == g[x], {x, 3.0, 3.1}, WorkingPrecision -> 110]
RealDigits[r] (* A201581 *)
PROG
(PARI) a=1; c=10; solve(x=0.1, 0.2, a*x^2 + c - 1/sin(x)) \\ G. C. Greubel, Aug 21 2018
CROSSREFS
Cf. A201564.
Sequence in context: A334365 A088684 A088683 * A322292 A195707 A175217
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Dec 03 2011
STATUS
approved