Multiple Choice
Use a calculator to express the complex number in polar form. Round angle to one decimal place and in degrees.
A) 15 a(cos 36.9° + i sin 36.9°)
B) 15 a(cos 216.9°+ i sin 216.9°)
C) 15 a(cos 143.1° + i sin 143.1°)
D) 15 a(cos 323.1° + i sin 323.1°)
Correct Answer:

Verified
Correct Answer:
Verified
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