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# PreCalc Help

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When $$-3 + 3i$$ is converted to the exponential form $$re^{i \theta}$$, what is $$\theta$$?

Jun 29, 2020

#1
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In general, when you have the complex number a + bi the angle is given by $$\theta =tan^{-1}(\frac{b}{a})$$

Jun 29, 2020
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Thank you

TheMatth99  Jun 29, 2020