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Last problem 100% of my next grade please help anyone
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5 votes
Last problem 100% of my next grade please help anyone

Last problem 100% of my next grade please help anyone-example-1
User Gerke
by
5.3k points

1 Answer

6 votes

Answer:

z =-8.660254038 -5i

Explanation:

z = |z| cos theta + |z| i sin theta

We know |z| and theta

z = 10 cos 210 +10 i sin 210

z = 10 (-sqrt3)/2 + 10i (-1/2)

z = -5 sqrt(3) -5i

or approximately

z =-8.660254038 -5i


User Dow
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