ubah kedalam koordonat cartesius q(-9,120°)
Matematika
davin98
Pertanyaan
ubah kedalam koordonat cartesius q(-9,120°)
1 Jawaban
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1. Jawaban idznizhahrina
x=-9 cos 120 =-9 (-1/2)=9/2
y=-9 sin 120 = -9(1/2 √3)=-9/2 √3
(9/2 , -9/2 √3)