3 Show that sin' 0 cos“ 0 1 1 cos (40) + 32 cos 128 cos ( 80). 128

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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Question
3
Show that sin' 0 cos“ 0
1
1
cos (40) +
32
cos
128
cos ( 80).
128
Transcribed Image Text:3 Show that sin' 0 cos“ 0 1 1 cos (40) + 32 cos 128 cos ( 80). 128
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