A199873 - OEIS

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A199873

Decimal expansion of x>0 satisfying 4*x^2-4*x*cos(x)=sin(x).

8, 6, 6, 9, 7, 4, 0, 6, 9, 0, 6, 4, 8, 2, 4, 9, 6, 9, 6, 7, 4, 6, 0, 5, 5, 9, 7, 4, 3, 0, 7, 1, 9, 0, 7, 3, 0, 4, 7, 1, 6, 6, 5, 8, 0, 6, 2, 5, 3, 7, 4, 4, 2, 2, 3, 1, 0, 4, 8, 2, 5, 2, 2, 0, 3, 9, 0, 5, 3, 5, 0, 4, 5, 0, 9, 1, 6, 2, 5, 1, 6, 0, 4, 8, 2, 8, 8, 0, 5, 1, 5, 2, 0, 7, 5, 7, 8, 4, 9

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

0,1

COMMENTS

See A199597 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

Table of n, a(n) for n=0..98.

EXAMPLE

x=0.86697406906482496967460559743071907304716...

MATHEMATICA

a = 4; b = -4; c = 1;

f[x_] := a*x^2 + b*x*Cos[x]; g[x_] := c*Sin[x]