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A332521 Decimal expansion of the number u such that the line normal to the graph of y = sin x at (u, sin u) passes through (2,0). 1
2, 4, 8, 3, 8, 0, 4, 0, 1, 0, 2, 9, 4, 7, 4, 0, 9, 0, 1, 4, 7, 3, 2, 5, 7, 3, 6, 9, 1, 4, 8, 6, 8, 8, 9, 9, 2, 5, 1, 8, 5, 8, 3, 0, 5, 4, 8, 9, 7, 5, 2, 3, 3, 2, 3, 6, 6, 6, 7, 5, 2, 8, 0, 6, 5, 4, 3, 5, 8, 0, 1, 5, 0, 8, 6, 6, 8, 9, 4, 8, 0, 9, 0, 1, 7, 1 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..85.

EXAMPLE

u = 0.5530300788531359553083686485...

MATHEMATICA

u = u /. FindRoot[0 == - 2 Sec[u] + u Sec[u] + Sin[u], {u, 0}, WorkingPrecision -> 150]

RealDigits[u][[1]]

CROSSREFS

Cf. A332500, A332507.

Sequence in context: A050170 A087089 A197382 * A246363 A319268 A277272

Adjacent sequences:  A332518 A332519 A332520 * A332522 A332523 A332524

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, May 05 2020

STATUS

approved

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Last modified June 16 16:09 EDT 2021. Contains 345063 sequences. (Running on oeis4.)