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Use DeMoivre’s Theorem to find the indicated power of the complex number. Write the result in standard form.

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Use DeMoivre’s Theorem to find the indicated power of the complex number. Write the result in standard form.

asked Jan 27, 2015 in TRIGONOMETRY by anonymous

1 Answer

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Step 1:

The complex number is .

Re-write the expression.

De Moivre Theorem: .

Trigonometric formula: .

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Solution:

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answered Jan 28, 2015 by Lucy Mentor

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