QI/Correct the following items, enhance your answer with a mathematical proof for each item. 1- cosh(ix)= cos(ix). 2- ZZ*=ZIZ]. 3- (1-Z) = 1-Z+Z -z'+... (using Taylor's series)

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter1: Equations And Inequalities
Section1.CT: Chapter Test
Problem 5CT: Solve for x: z=x.
Question
QI/Correct the following items, enhance your answer with a mathematical proof for each item.
1- cosh(ix)= cos(ix).
2- ZZ*=ZIZ].
3- (1-Z) =1-Z+Z-z'+...
(using Taylor's series)
Transcribed Image Text:QI/Correct the following items, enhance your answer with a mathematical proof for each item. 1- cosh(ix)= cos(ix). 2- ZZ*=ZIZ]. 3- (1-Z) =1-Z+Z-z'+... (using Taylor's series)
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