71. cos 50° + i sin 50° cos 20° + i sin 20°
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Complex Numbers
Section4.4: Trigonometric Form Of A Complex Number
Problem 45E: Multiplying Complex Numbers In Exercises 41-46, find the product. Leave the result in trigonometric...
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