Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).3
A. 3(cos 90° + i sin 90°)
B. 3(cos 0° + i sin 0°)
C. 3(cos 180° + i sin 180°)
D. 3(cos 270° + i sin 270°)
Answer: B
Mathematics
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= y2(4 - ex)
A. y = 
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.
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