September 2018 1 83 Report
Himpunan penyelesaian persamaan trigonometri cos 2x°- sin x°=0 untuk 0 ≤ x ≤ 180 adalah..
A. {30, 150}
B. {60, 120}
C. {30, 60, 150}
D. {60, 90, 120}
E. {60, 120, 150}

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