login
A332485
Numbers k such that sin(k) > 0 or cos(k) < 0.
4
1, 2, 3, 4, 7, 8, 9, 10, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 26, 27, 28, 29, 32, 33, 34, 35, 36, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 51, 52, 53, 54, 57, 58, 59, 60, 61, 63, 64, 65, 66, 67, 70, 71, 72, 73, 76, 77, 78, 79, 80, 82, 83, 84, 85, 86, 88
OFFSET
1,2
MATHEMATICA
Select[Range[100], Sin[#] > 0 || Cos[#] > 0 &] (* A332484 *)
Select[Range[100], Sin[#] > 0 || Cos[#] < 0 &] (* A332485 *)
Select[Range[100], Sin[#] < 0 || Cos[#] > 0 &] (* A332486 *)
Select[Range[100], Sin[#] < 0 || Cos[#] < 0 &] (* A332487 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 14 2020
STATUS
approved