Find zw and. Leave your answer in polar form. W 19. z = cos 205° +isin 205° w = cos 85° +isin 85° 20. z = 3 cos 3(co 9π T 5 w=2 cos- 2 (c -+isin +isin 9π 5 T 5

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 71RE
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Plz answer 19 and 20 with steps!!
Find zw and Leave your answer in polar form.
19.
z = cos 205° +isin 205°
w = cos 85° +isin 85°
20.
z = 3 (cos
9T
5
-+isin
π
w=2 cos+isin
5
9π
5
T
Transcribed Image Text:Find zw and Leave your answer in polar form. 19. z = cos 205° +isin 205° w = cos 85° +isin 85° 20. z = 3 (cos 9T 5 -+isin π w=2 cos+isin 5 9π 5 T
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