Jawabanmu

2014-06-04T07:53:29+07:00
Pembilang:
sin 3π/4 = √2 / 2
tan π = 0
cos π = -1
Penyebut:
sin π/2 = 1
cos 2π = 1
3 cos π/3 = 3/2
Hasil:
√2 / 2 + 0 - 1 / (1/2) = √2 - 2
jawaban: D