Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 10(cos 30° + i sin 30°), z2 = 5(cos 10° + i sin 10°)
A. 2(cos 3° + i sin 3°)
B. 5(cos 20° + i sin 20°)
C. 5(cos 3° + i sin 3°)
D. 2(cos 20° + i sin 20°)
Answer: D
Mathematics
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?
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