2n 1 (cos=0 0 +i sin e) + 10 2cosno eine

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 4E
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Q.3- Prove that: 5 1 ((,()S < 6+ zsm—H) + = 2cosnf
Q.3- Prove that:
2n
1
(cos=0 +i sin-
e) +
10
2cosne
eino
Transcribed Image Text:Q.3- Prove that: 2n 1 (cos=0 +i sin- e) + 10 2cosne eino
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