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A200482
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Decimal expansion of least x>0 satisfying x^2-2x+2=tan(x).
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2
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8, 0, 4, 2, 0, 3, 5, 6, 2, 1, 3, 8, 6, 9, 2, 6, 4, 6, 0, 3, 3, 8, 2, 6, 9, 4, 5, 5, 4, 3, 8, 6, 9, 6, 7, 6, 8, 9, 0, 4, 1, 8, 0, 7, 8, 3, 4, 8, 4, 8, 8, 9, 6, 4, 8, 4, 3, 0, 8, 8, 2, 3, 3, 4, 4, 4, 5, 5, 7, 4, 0, 1, 9, 2, 3, 2, 1, 6, 2, 3, 2, 2, 6, 2, 3, 1, 1, 8, 5, 8, 9, 8, 6, 4, 3, 5, 2, 2, 5
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OFFSET
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0,1
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COMMENTS
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See A200338 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=0.8042035621386926460338269455438696768904180...
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MATHEMATICA
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a = 1; b = -2; c = 2;
f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .8, .9}, WorkingPrecision -> 110]
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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