A199868 - OEIS

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A199868

Decimal expansion of x>0 satisfying 4*x^2-3*x*cos(x)=4*sin(x).

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

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

OFFSET

1,3

COMMENTS

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

LINKS

Table of n, a(n) for n=1..99.

EXAMPLE

x=1.1251983796785454997711971706228898098598533...

MATHEMATICA

a = 4; b = -3; c = 4;

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