Hitung nilai berikut.cos 2π/3 – cos 5π/3 + 2π/3 By Admin ReiPosted on December 7, 2022 Hitung nilai berikut.cos 2π/3 – cos 5π/3 + 2π/3 Cos 120 – cos 300 + 120 = -1/2 – (1/2) = – 1