Find, if 21 = 20 cos (co + i sin 5п 6 5п 6 Z1 = 10 cos 10 (cos ³7 + i sin 4 (37) 4

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°.
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Question
Find, if
21
KESIH
20 cos
(co
Z1 = 10 cos
10 (co
10
O 2 (cos ¹0
3
5п
6
-
³7 + i sin
+ i sin
2
02 (co
2 (cos 12 -
COS
sin 100
3
02 cos 2 + i sin 2
1/2)
12
i sin
O 2 (cos+ i sin
I
12
10
3
5TT
6
3)
4
Transcribed Image Text:Find, if 21 KESIH 20 cos (co Z1 = 10 cos 10 (co 10 O 2 (cos ¹0 3 5п 6 - ³7 + i sin + i sin 2 02 (co 2 (cos 12 - COS sin 100 3 02 cos 2 + i sin 2 1/2) 12 i sin O 2 (cos+ i sin I 12 10 3 5TT 6 3) 4
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