Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.12 + 16i
A. 20(cos 306.9° + i sin 306.9°)
B. 20(cos 53.1° + i sin 53.1°)
C. 20(cos 233.1° + i sin 233.1°)
D. 20(cos 126.9° + i sin 126.9°)
Answer: B
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A. 
B. - 
C. - 
D. 
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A. 
B. 
C. 
D. 
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