A111691 - OEIS

%I #12 Jun 18 2024 03:25:13

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

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

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

%N Decimal expansion of the fourth root of cosine of 1 degree.

%C An algebraic number of degree 192 and denominator 2. - _Charles R Greathouse IV_, Aug 26 2017

%H <a href="/index/Al#algebraic">Index entries for algebraic numbers, degree 192</a>

%t First[RealDigits[Cos[Pi/180]^(1/4), 10, 100]] (* _Paolo Xausa_, Jun 18 2024 *)

%o (PARI) sqrtn(cos(Pi/180),4) \\ _Charles R Greathouse IV_, Aug 26 2017

%Y Cf. A019810.

%K nonn,cons

%O 0,1

%A _Mohammad K. Azarian_, Nov 17 2005