login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A195790 Decimal expansion of arccot(10). 2

%I #24 Jul 11 2023 07:44:29

%S 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,

%T 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,

%U 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

%N Decimal expansion of arccot(10).

%H Sanjar M. Abrarov, Rehan Siddiqui, Rajinder K. Jagpal, and Brendan M. Quine, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL25/Abrarov/abrarov5.html">A New Form of the Machin-like Formula for Pi by Iteration with Increasing Integers</a>, Journal of Integer Sequences, Vol. 25 (2022), Article 22.4.5. See (22) p. 9.

%F Equals Integral_{x >= 0} exp(-10*x)*sin(x)/x dx. - _Peter Bala_, Nov 05 2019

%F Equals (Pi+4*arctan( 1758719 / 147153121 ))/32. - _Frank Ellermann_, Mar 14 2020

%F Equals arcsin(1/sqrt(101)) = arccos(10/sqrt(101)). - _Amiram Eldar_, Jul 11 2023

%e arccot(10) = 0.099668652491162027378446119878020590243278322504...

%t (See A195789.)

%Y Cf. A195789.

%K nonn,cons

%O 0,2

%A _Clark Kimberling_, Sep 24 2011

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)