Question

Nilai dari sin 30 pangkat 6+cos 330 derajat+sin 150 derajat , adalah??

Answer 1

(Sin30)^6 + cos(330) + sin(150) =
Sin 30 = 1/2
Cos 330 = Cos(360-330) = Cos 30 = 1/2 akar3
Sin 150 = Sin(180-150) = Sin 30 = 1/2

(1/2)^6 + 1/2 akar3 + 1/2
1/64 + 1/2 akar3 + 32/64
33/64 + 1/2 akar3