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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°))

2 Answers

5 votes
I think the answer is c or d
answered
User Daviesdoesit
by
8.5k points
4 votes

Answer:

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

Explanation:

Hope this helps!

answered
User Pansora Abhay
by
7.6k points

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