October 2018 1 26 Report
Butuh cepat._. Himpunan persamaan dari persamaan √3 (cos 2x) - sin 2x = 0, untuk interval 0°≤x≤270° adalah...
a. {0°, 30°, 120°}
b {30°, 120°, 210°}
c. {0°, 60°, 240°}
d. {30°, 120°, 240°}
e. {30°, 150°, 210°}

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