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A201572
Decimal expansion of least x satisfying x^2 + 6 = csc(x) and 0 < x < Pi.
3
1, 6, 6, 6, 6, 9, 1, 6, 3, 1, 7, 5, 4, 0, 0, 9, 4, 9, 5, 6, 5, 2, 0, 0, 3, 2, 0, 6, 2, 7, 7, 6, 1, 2, 9, 9, 1, 5, 8, 1, 6, 7, 6, 7, 4, 4, 7, 5, 4, 0, 3, 4, 4, 9, 3, 4, 8, 0, 4, 8, 4, 6, 7, 5, 6, 4, 4, 2, 3, 4, 9, 3, 7, 1, 3, 9, 6, 9, 9, 0, 8, 9, 8, 0, 2, 6, 1, 8, 0, 1, 5, 2, 8, 3, 7, 0, 8, 7, 0, 8, 0
OFFSET
0,2
COMMENTS
See A201564 for a guide to related sequences. The Mathematica program includes a graph.
LINKS
EXAMPLE
least: 0.166669163175400949565200320627761299158167...
greatest: 3.076894929246192023166693647327725773248...
MATHEMATICA
a = 1; c = 6;
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] (* A201572 *)
r = x /. FindRoot[f[x] == g[x], {x, 3.0, 3.1}, WorkingPrecision -> 110]
RealDigits[r] (* A201573 *)
PROG
(PARI) a=1; c=6; solve(x=0.1, .2, a*x^2 + c - 1/sin(x)) \\ G. C. Greubel, Aug 21 2018
CROSSREFS
Cf. A201564.
Sequence in context: A243758 A318355 A318237 * A261468 A001734 A342373
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Dec 03 2011
EXTENSIONS
Terms a(83) onward corrected by G. C. Greubel, Aug 21 2018
STATUS
approved