In Exercises 53-64, use DeMoivre's Theorem to find the indicated power of the complex number. Write answers in rectangular form. 53. [4(cos 15° + i sin 15°)]³ 54. [2(cos 10° + i sin 10°)]³ 55. [2(cos 80° + i sin 80°)]³ 56. [2(cos 40° + i sin 40°)]³ + i sin 12 57. 12 + i sin 10 10 58. + i sin 6. 59. cos + i sin 18 60. cos 18 61. (1 + i) 62. (1 – i) 63. (V3 - i)* 64. (V2 - i)*
In Exercises 53-64, use DeMoivre's Theorem to find the indicated power of the complex number. Write answers in rectangular form. 53. [4(cos 15° + i sin 15°)]³ 54. [2(cos 10° + i sin 10°)]³ 55. [2(cos 80° + i sin 80°)]³ 56. [2(cos 40° + i sin 40°)]³ + i sin 12 57. 12 + i sin 10 10 58. + i sin 6. 59. cos + i sin 18 60. cos 18 61. (1 + i) 62. (1 – i) 63. (V3 - i)* 64. (V2 - i)*
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Complex Numbers
Section: Chapter Questions
Problem 19T
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