A197262 Decimal expansion of least x>0 having sin(3x)=(sin 4x)^2.

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

Offset

0,1

Comments

The Mathematica program includes a graph. See A197133 for a guide to least x>0 satisfying sin(b*x)=(sin(c*x))^2 for selected b and c.

Links

Table of n, a(n) for n=0..99.

Example

x=0.2323104315934582047842917635023945079...

Mathematica

b = 3; c = 4; f[x_] := Sin[x]
t = x /. FindRoot[f[b*x] == f[c*x]^2, {x, .2, .3}, WorkingPrecision -> 100]
RealDigits[t] (* A197262 *)
Plot[{f[b*x], f[c*x]^2}, {x, 0, Pi/2}]

Crossrefs

Cf. A197133.

Sequence in context: A308133 A306426 A014836 * A085032 A004549 A305389

Adjacent sequences: A197259 A197260 A197261 * A197263 A197264 A197265

Keyword

nonn,cons

Author

Clark Kimberling, Oct 12 2011

Status

approved