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A199469 Decimal expansion of x>0 satisfying x^2-3*x*sin(x)=2*cos(x). 2
2, 1, 0, 2, 8, 3, 6, 8, 6, 0, 9, 1, 4, 1, 0, 4, 7, 0, 1, 4, 7, 2, 7, 6, 8, 5, 1, 1, 8, 2, 4, 7, 0, 2, 2, 2, 9, 9, 9, 0, 3, 9, 3, 3, 8, 5, 4, 9, 9, 5, 6, 0, 5, 1, 0, 6, 5, 9, 1, 6, 7, 8, 9, 9, 6, 1, 1, 3, 4, 2, 1, 8, 0, 7, 9, 3, 0, 9, 6, 1, 6, 1, 0, 6, 8, 9, 3, 9, 1, 4, 1, 1, 3, 8, 0, 6, 9, 2, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
See A199429 for a guide to related sequences. The Mathematica program includes a graph.
LINKS
EXAMPLE
x=2.10283686091410470147276851182470222999...
MATHEMATICA
a = 1; b = -3; c = 2;
f[x_] := a*x^2 + b*x*Sin[x]; g[x_] := c*Cos[x]
Plot[{f[x], g[x]}, {x, -Pi, Pi}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 2.1, 2.2}, WorkingPrecision -> 110]
RealDigits[r] (* A199469 *)
CROSSREFS
Cf. A199429.
Sequence in context: A318931 A266878 A339780 * A266832 A307772 A225203
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Nov 07 2011
STATUS
approved

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Last modified September 28 06:53 EDT 2023. Contains 365724 sequences. (Running on oeis4.)