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A198504
Decimal expansion of x>0 having 4*x^2=3*sin(x).
2
6, 9, 1, 6, 2, 1, 3, 6, 4, 6, 2, 5, 5, 8, 4, 5, 3, 2, 0, 0, 7, 1, 1, 6, 4, 0, 3, 1, 3, 7, 2, 6, 4, 0, 7, 3, 7, 9, 1, 5, 6, 4, 1, 1, 5, 9, 4, 9, 1, 0, 0, 0, 9, 7, 2, 7, 7, 7, 7, 6, 3, 5, 3, 5, 0, 5, 0, 2, 7, 9, 8, 7, 5, 4, 7, 0, 2, 8, 1, 8, 5, 5, 3, 9, 2, 9, 9, 5, 4, 8, 3, 1, 2, 7, 6, 6, 9, 2, 0
OFFSET
0,1
COMMENTS
See A198414 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
x=0.691621364625584532007116403137264073...
MATHEMATICA
a = 4; b = 0; c = 3;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, 1}]
r = x /. FindRoot[f[x] == g[x], {x, .69, .7}, WorkingPrecision -> 110]
RealDigits[r] (* A198504 *)
CROSSREFS
Cf. A198414.
Sequence in context: A257871 A154116 A275614 * A357066 A179593 A117871
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Oct 25 2011
STATUS
approved