form. (cos20 + jsin20) (cis20)°(cis50)² (cis30)* (5e2")° -jsin를 а. cos b. C. (cos40 – jsin40)°

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 11E
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Answer the following problem using De Moivre's theorem and express the result into polar form

form.
(cos20 + jsin20)
(cis20) (cis50)
(cis30)* (5e/2)
cos증-jsin
증
b.
а.
C.
(cos40 - jsin40)
Transcribed Image Text:form. (cos20 + jsin20) (cis20) (cis50) (cis30)* (5e/2) cos증-jsin 증 b. а. C. (cos40 - jsin40)
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