sin 30° + sin 60° / -cos 30° - cos 60°
Matematika
katreen1
Pertanyaan
sin 30° + sin 60° / -cos 30° - cos 60°
2 Jawaban
-
1. Jawaban T1RTO
sin(30°+√3/2)
-cos (30° - ½) -
2. Jawaban raisyaamroekh
1/2 + 1/3 akar3
---------------------
-1/2 akar 3 - 1/2
1/2 (1 + akar3)
--------------------
-1/2 (1+akar3)
= -1