Jawab:
Penjelasan dengan langkah-langkah:
sin(x - π/6) - sin(x + 5π/6) ≥ 0
sin(x - π/6) - sin(x + 6π/6 - π/6) ≥ 0
sin(x - π/6) - sin(π + (x - π/6)) ≥ 0
sin(x - π/6) + sin(x - π/6) ≥ 0
2.sin(x - π/6) ≥ 0
sin(x - π/6) ≥ 0
sin positif di kuadran 1 dan kuadran 2 (0 sampai π)
sin(0) ≥ sin(x - π/6) ≥ sin(π)
0 ≥ x - π/6 ≥ π
π/6 ≥ x ≥ 7π/6
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Jawab:
Penjelasan dengan langkah-langkah:
sin(x - π/6) - sin(x + 5π/6) ≥ 0
sin(x - π/6) - sin(x + 6π/6 - π/6) ≥ 0
sin(x - π/6) - sin(π + (x - π/6)) ≥ 0
sin(x - π/6) + sin(x - π/6) ≥ 0
2.sin(x - π/6) ≥ 0
sin(x - π/6) ≥ 0
sin positif di kuadran 1 dan kuadran 2 (0 sampai π)
sin(0) ≥ sin(x - π/6) ≥ sin(π)
0 ≥ x - π/6 ≥ π
π/6 ≥ x ≥ 7π/6