22. himpunan penyelesaian dari persamaan
trigonometri cos 3 x = cos 15° untuk
-180° s xs 1...
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German, 17.09.2019 06:00 normarjohnson
22. himpunan penyelesaian dari persamaan
trigonometri cos 3 x = cos 15° untuk
-180° s xs 180° adalah
a. {-15°, 15°
b. {-30°, 30°
c. {-15°, 15°, 30°}
d. {-15°, 15°, 45°
e. {-15°, 30°, 45°
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Answers: 1
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