Tentukan nilai sin 60° + cos 150°

Sin 60° = ½√3
cos 150 = cos(180-30) = -cos30 = -½√3

½√3 – ½√3 = 0

semoga membantu

Sin 60 =1/2√3
Cos 150= -1/2√3
Sin 60 + cos 150 = 1/2√3 – 1/2√3 = 0