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1. [4(cos 12° + i sin 12°)]³. 3. [√3 (cos 25° + i sin 25°)].

1. [4(cos 12° + i sin 12°)]³. 3. [√3 (cos 25° + i sin 25°)].

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Use De Moivre's Theorem to raise the indicated powers
1. [4(cos 12° + i sin 12°)]³. 3. [√3 (cos 25° + i sin 25°)].
Transcribed Image Text:1. [4(cos 12° + i sin 12°)]³. 3. [√3 (cos 25° + i sin 25°)].
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