Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in...

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Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form. [3(cos 80 + i sin 80)] [3(cos 80 + i sin 80) = (Simplify your answer, including any radicals. Type your answer in the form a + bi. Use integers or fractions for any numbers in the expression. Rationalize the denominator.) Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form. [3(cos 80 + i sin 80)] [3(cos 80 + i sin 80) = (Simplify your answer, including any radicals. Type your answer in the form a + bi. Use integers or fractions for any numbers in the expression. Rationalize the denominator.)