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For the complex number z = Negative StartFraction StartRoot 21 EndRoot Over 2 EndFraction minus StartFraction StartRoot 7 EndRoot Over 2 EndFraction i, what is arg(z)? 150° 210°…

For the complex number z = Negative StartFraction StartRoot 21 EndRoot Over 2 EndFraction minus StartFraction StartRoot 7 EndRoot Over 2 EndFraction i, what is arg(z)? 150° 210°…
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For the complex number z = Negative StartFraction StartRoot 21 EndRoot Over 2 EndFraction minus StartFraction StartRoot 7 EndRoot Over 2 EndFraction i, what is arg(z)? 150° 210° 240° 330°

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User Dumbfingers
by
8.8k points

2 Answers

5 votes

Answer:

210

Explanation:

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answered
User Rickkwa
by
7.6k points
2 votes

Answer:

210

Explanation:

answered
User Jan Tattermusch
by
8.2k points
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