Complex Number to a Power Using DeMoiver's Theorem
Mario's Math Tutoring
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Complex Number to a Power Using DeMoiver's Theorem
52 463 просмотра · 10 лет назад
Mario's Math Tutoring
526 тыс. подписчиков
52 463 просмотра · 10 лет назад
Learn how to use DeMoiver's Theorem when working with powers of complex numbers in trigonometric form in this free math video by Mario's Math Tutoring.
Timestamps:
00:00 Intro
0:06 DeMoiver's Theorem for Raising a Complex Number to a Power
0:37 Example 1 (2 + 2i)^6
1:10 Convert Complex Number to Trigonometric Form
1:30 Solving for r
1:43 Solving for the Angle theta
2:18 Using DeMoiver's Theorem
2:44 Converting from Trigonometric Form to Standard Form of a Complex Number
3:41 Summary of How & Why to Use DeMoiver's Theorem
Related Videos:
Finding the nth Root of a Complex Number
• Finding nth Roots of a Complex Number
How to Write Complex Numbers in Trigonometric Form
• Trigonometric Form of a Complex Number
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