A199966 - OEIS

A199966

Decimal expansion of greatest x satisfying x^2 + 4*cos(x) = 4*sin(x).

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

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OFFSET

1,1

COMMENTS

See A199949 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

EXAMPLE

least x: 0.943379571591794622084167020515639838...

greatest x: 2.3781281686737679859682016614728862...

MATHEMATICA

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