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A332522 Decimal expansion of the number u such that the line normal to the graph of y = sin x at (u, sin u) passes through (Pi/4,0). 0
4, 1, 5, 8, 5, 5, 5, 9, 6, 7, 8, 9, 8, 6, 7, 9, 8, 8, 7, 8, 8, 0, 0, 4, 8, 0, 1, 9, 8, 2, 9, 3, 9, 0, 1, 9, 0, 4, 2, 5, 8, 6, 4, 7, 0, 3, 9, 3, 3, 9, 7, 7, 2, 2, 7, 6, 0, 8, 9, 5, 8, 3, 0, 1, 9, 0, 3, 1, 1, 7, 7, 4, 1, 2, 9, 7, 7, 8, 4, 5, 2, 3, 5, 7, 3, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

EXAMPLE

u = 0.4158555967898679887880048019...

MATHEMATICA

u = u /. FindRoot[0 == (-Pi/4) Sec[u] + u Sec[u] + Sin[u], {u, 0}, WorkingPrecision ->  150]

RealDigits[u][[1]]

CROSSREFS

Cf. A332500, A332507.

Sequence in context: A242131 A177266 A272534 * A173386 A011443 A016687

Adjacent sequences:  A332519 A332520 A332521 * A332523 A332524 A332525

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, May 05 2020

STATUS

approved

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Last modified April 20 02:45 EDT 2021. Contains 343121 sequences. (Running on oeis4.)