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A332484 Numbers k such that sin(k) > 0 or cos(k) > 0. 4

%I #4 Apr 28 2020 00:16:36

%S 1,2,3,5,6,7,8,9,11,12,13,14,15,18,19,20,21,24,25,26,27,28,30,31,32,

%T 33,34,37,38,39,40,43,44,45,46,47,49,50,51,52,53,55,56,57,58,59,62,63,

%U 64,65,68,69,70,71,72,74,75,76,77,78,81,82,83,84,87,88,89

%N Numbers k such that sin(k) > 0 or cos(k) > 0.

%t Select[Range[100], Sin[#] > 0 || Cos[#] > 0 &] (* A332484 *)

%t Select[Range[100], Sin[#] > 0 || Cos[#] < 0 &] (* A332485 *)

%t Select[Range[100], Sin[#] < 0 || Cos[#] > 0 &] (* A332486 *)

%t Select[Range[100], Sin[#] < 0 || Cos[#] < 0 &] (* A332487 *)

%Y Cf. A332480-A332483, A332485, A332486, A332487.

%K nonn,easy

%O 1,2

%A _Clark Kimberling_, Apr 14 2020

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)