4 sin 210°-2 cos 120°+3sin330°
Matematika
abizarr678
Pertanyaan
4 sin 210°-2 cos 120°+3sin330°
1 Jawaban
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1. Jawaban oktanaruhma
4*(-sin 30)-2(-cos30) +3(-sin30)
4(-1/2)-2(-1/2 akar 3)-(3/2)
-2+akar 3-3/2
-5/2+akar 3
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