# nth Root of Complex Number...2

Discussion in 'Geometry and Trigonometry' started by nycmathguy, Feb 27, 2022.

1. ### nycmathguy

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Section 6.6

nycmathguy, Feb 27, 2022
2. ### MathLover1

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MathLover1, Feb 28, 2022
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3. ### nycmathguy

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How did you get r = 4, and theta = 0?

nycmathguy, Feb 28, 2022
4. ### MathLover1

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The polar form of -4 is 4 (cos(pi ) + i *sin(pi))

->should be r=4, and θ = π (above was mistake, I just put value of sin(π) which gives you θ =0)

so, answer will change and should be:

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MathLover1, Feb 28, 2022
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5. ### nycmathguy

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nycmathguy, Feb 28, 2022
6. ### MathLover1

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yes, it is correct

MathLover1, Feb 28, 2022
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