A332487 - OEIS

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A332487

Numbers k such that sin(k) < 0 or cos(k) < 0.

2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 40, 41, 42, 43, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 59, 60, 61, 62, 65, 66, 67, 68, 69, 71, 72, 73, 74, 75, 77, 78, 79, 80, 81, 84, 85, 86, 87

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..66.

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

Cf. A332480-A332483, A332484-A332486.