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%I #11 Jul 27 2021 10:26:15
%S 3,4,2,5,5,1,8,8,2,0,8,1,4,7,5,9,7,6,0,9,4,1,6,7,8,9,3,3,5,4,1,1,3,6,
%T 6,4,8,0,5,3,7,4,7,4,3,2,0,5,7,3,8,4,7,6,5,8,6,8,5,1,4,7,6,7,7,4,2,6,
%U 6,1,3,6,3,3,1,1,9,2,8,2,7,1,8,1,9,9,6,5,4,6,6,3,7,2,9,6,6,1,0,4,0,4,9,1,6
%N Decimal expansion of (cos 1)^(-2)=(sec(1))^2.
%C By the Lindemann-Weierstrass theorem, this constant is transcendental. - _Charles R Greathouse IV_, May 13 2019
%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%e 3.42551882081475976094167893354113664805374743205738476586851476
%t RealDigits[1/Cos[1]^2,10,120][[1]] (* _Harvey P. Dale_, Jul 27 2021 *)
%o (PARI) cos(1)^-2 \\ _Charles R Greathouse IV_, May 13 2019
%Y Cf. A049470, A073448.
%K cons,nonn,less
%O 1,1
%A _Mohammad K. Azarian_, Apr 16 2006
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