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 A198877 Decimal expansion of x>0 satisfying 2*x^2-3*cos(x)=-2. 2
 5, 3, 7, 2, 7, 2, 4, 7, 4, 7, 7, 2, 1, 2, 4, 6, 4, 5, 3, 7, 2, 0, 5, 1, 5, 0, 8, 5, 1, 2, 5, 3, 0, 2, 4, 2, 2, 8, 6, 3, 8, 0, 6, 0, 7, 0, 4, 1, 1, 1, 8, 7, 6, 1, 9, 3, 8, 4, 3, 2, 3, 8, 9, 5, 0, 6, 3, 1, 3, 5, 7, 8, 7, 0, 9, 3, 5, 8, 7, 1, 8, 9, 2, 4, 4, 3, 7, 8, 5, 2, 0, 1, 1, 0, 8, 0, 2, 3, 2 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS See A198755 for a guide to related sequences.  The Mathematica program includes a graph. LINKS EXAMPLE x=0.537272474772124645372051508512530242286... MATHEMATICA a = 2; b = -3; c = -2; f[x_] := a*x^2 + b*Cos[x]; g[x_] := c Plot[{f[x], g[x]}, {x, -2, 2}, {AxesOrigin -> {0, 0}}] r = x /. FindRoot[f[x] == g[x], {x, .53, .54}, WorkingPrecision -> 110] RealDigits[r] (* A198877 *) CROSSREFS Cf. A198755. Sequence in context: A099217 A023103 A153454 * A201752 A117126 A048997 Adjacent sequences:  A198874 A198875 A198876 * A198878 A198879 A198880 KEYWORD nonn,cons AUTHOR Clark Kimberling, Oct 31 2011 STATUS approved

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Last modified January 19 06:37 EST 2020. Contains 331033 sequences. (Running on oeis4.)