# 12.2.2. De Moivre's Theorem

Use De Moivre's theorem to express and in terms of and .

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Solve the equation , .

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Find the square roots of .

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Determine the square roots of , given that .

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If is a complex number, find the solution set of the equation .

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Use De Moivre's theorem to find the two square roots of .

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If , find .

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Use De Moivre's theorem to find the two square roots of .

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If , find .

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Given that , determine the square roots of without converting it to the trigonometric form.

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Given that , determine the square roots of without converting it to the trigonometric form.

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Determine the two square roots of without converting it to the trigonometric form.

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Determine the square roots of without converting it to the trigonometric form, given that .

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