Find 21 - 22, if 21 2 (cos 120° + i sin 120°) 22 = 5 (cos 30° + i sin 30°) O-5√3+5i O 5√3-5i O 10 (cos 3600° + i sin 3600°) O 0 i 25

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
icon
Related questions
Question
Find 2₁ - 22, if
.
21 = 2 (cos 120° + i sin 120°)
22 = 5 (cos 30° + i sin 30°)
O-5√3+5i
O 5√3-5i
10 (cos 3600° + i sin 3600°)
Zi
2
Transcribed Image Text:Find 2₁ - 22, if . 21 = 2 (cos 120° + i sin 120°) 22 = 5 (cos 30° + i sin 30°) O-5√3+5i O 5√3-5i 10 (cos 3600° + i sin 3600°) Zi 2
Expert Solution
Step 1

z1=2(cos120°+isin120°)z2=5(cos30°+isin30°)we know  i.i=-1

 

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Trigonometry (11th Edition)
Trigonometry (11th Edition)
Trigonometry
ISBN:
9780134217437
Author:
Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:
PEARSON
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781305652224
Author:
Charles P. McKeague, Mark D. Turner
Publisher:
Cengage Learning
Algebra and Trigonometry
Algebra and Trigonometry
Trigonometry
ISBN:
9781938168376
Author:
Jay Abramson
Publisher:
OpenStax
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning