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What is the polar form of -9 square root 3 EndRoot + 9 i?

A. 18(cos(120°) + isin(120°))
B. 18(cos(150°) + isin(150°))
C. 324(cos(120°) + isin(120°))
D. 324(cos(150°) + isin(150°))

Respuesta :

I think the answer is c or d

Answer:

The correct answer is B) 18(cos(150)+isin(150))

Step-by-step explanation:

Hope this helps!

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