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Amanda [17]
2 years ago
11

Maddie converts z = 8(cos(300°) + isin(300°)) into rectangular form z = a + bi and determines that a = 4 and b = 4 StartRoot 3 E

ndRoot.
Which statement identifies whether her values for a and b are correct?

Both values a and b are correct.
Both values a and b are incorrect.
The value of a is correct, but the value of b is incorrect.
The value of a is incorrect, but the value of b is correct.
Mathematics
2 answers:
Anastaziya [24]2 years ago
8 0

Answer:

Option C) The value of a is correct, but the value of b is incorrect.

Step-by-step explanation:

z = 8(cos(300°) + isin(300°))

z = 8cos(300°) + 8isin(300°)

z = 4 + i(-4\sqrt{3})\\z=4-i(4\sqrt{3} )\\

So we can see that a = 4 which is correct but b = -4\sqrt{3} and b in the question says it is b 4\sqrt{3} so its incorrect so Option C is your answer.

ludmilkaskok [199]2 years ago
6 0

Answer:

C

Step-by-step explanation:

I am Always right

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