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A199789
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Decimal expansion of x > 0 satisfying 3*x^2 - 3*x*cos(x) = sin(x).
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2
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9, 0, 6, 2, 4, 7, 6, 9, 1, 6, 3, 5, 6, 4, 4, 0, 7, 9, 9, 1, 8, 6, 2, 3, 6, 3, 1, 0, 2, 9, 6, 4, 6, 7, 4, 1, 4, 2, 5, 1, 9, 2, 7, 7, 4, 8, 0, 8, 0, 0, 3, 6, 7, 8, 6, 9, 4, 0, 0, 0, 9, 6, 1, 3, 7, 2, 9, 8, 7, 2, 0, 1, 3, 0, 7, 6, 3, 3, 7, 9, 1, 9, 7, 9, 6, 3, 5, 8, 5, 8, 3, 4, 5, 6, 4, 9, 7, 4, 4, 6, 6
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OFFSET
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0,1
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COMMENTS
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See A199597 for a guide to related sequences. The Mathematica program includes a graph.
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LINKS
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EXAMPLE
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x=0.90624769163564407991862363102964674142519277480...
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MATHEMATICA
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a = 3; b = -3; c = 1;
f[x_] := a*x^2 + b*x*Cos[x]; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -1, 2}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .90, .91}, WorkingPrecision -> 110]
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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