A195790 Decimal expansion of arccot(10).

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

Offset: 0

Author

Clark Kimberling, Sep 24 2011

Keywords

• nonn
• cons

Examples

			arccot(10) = 0.099668652491162027378446119878020590243278322504...
		

Links

• Sanjar M. Abrarov, Rehan Siddiqui, Rajinder K. Jagpal, and Brendan M. Quine, A New Form of the Machin-like Formula for Pi by Iteration with Increasing Integers, Journal of Integer Sequences, Vol. 25 (2022), Article 22.4.5. See (22) p. 9.
• Index entries for transcendental numbers

Crossrefs

Cf. A195789.

Programs

Mathematica

(See A195789.)
Join[{0},RealDigits[ArcCot[10],10,120][[1]]] (* Harvey P. Dale, Jul 14 2025 *)

PARI

atan(.1) \\ Charles R Greathouse IV, Nov 21 2024

Formula

Equals Integral_{x >= 0} exp(-10*x)*sin(x)/x dx. - Peter Bala, Nov 05 2019

Equals (Pi+4*arctan( 1758719 / 147153121 ))/32. - Frank Ellermann, Mar 14 2020

Equals arcsin(1/sqrt(101)) = arccos(10/sqrt(101)). - Amiram Eldar, Jul 11 2023