A073440 - OEIS

%I #5 Jan 31 2014 15:51:48

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

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

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

%N Decimal expansion of csc (Pi degrees) (of course csc (Pi radians) is undefined).

%e 18.2469547845941354008035177376...

%t RealDigits[Csc[Pi Degree],10,120][[1]] (* _Harvey P. Dale_, Jan 31 2014 *)

%o (PARI) 1/sin(Pi^2/180)

%Y Cf. A051553 (sin(Pi degrees)=1/A073440), A051554 (cos(Pi degrees)), A051555 (tan(Pi degrees)), A073441 (sec(Pi degrees)), A073442 (cot(Pi degrees)).

%K cons,nonn

%O 2,2

%A _Rick L. Shepherd_, Jul 31 2002