Answered: In Problems 19–21, find zw and . Leave… | bartleby

Trigonometry (MindTap Course List)

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 5ECP

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In Problems 19–21, find zw and . Leave your answers in polar form.
97
21. z = 5(cos 10° + i sin 10°)
19. z = cos 80° + i sin 80°
w = cos 50° + i sin 50°
20. z = 3 cos
+ i sin
5
w = cos 355° + i sin 355°
w = 2| cos
+ i sin

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