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nilai cos 30 = 1/2 √3
nilai sin 60 = 1/2 √3
nilai tan 30 = 1/3 √3
lalu di jumlahkan semua
cos 30° + sin 60° + tan 30°
= 1/2 √3 + 1/2 √3 + 1/3 √3
= √3 + 1/3√3