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1. cosh z= cosh x cos y + i sinh sin y sinh z = sinh x cos y + i cosh x sin y.

1. cosh z= cosh x cos y + i sinh sin y sinh z = sinh x cos y + i cosh x sin y.

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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1-4 FORMULAS FOR HYPERBOLIC FUNCTIONS Show that 1. cosh z = coshx cos y + i sinh sin y sinh z = sinh x Cos y +i cosh x sin y. 2. cosh (z1 + z2) cosh z1 cosh z2+ sinh z1 sinh z2 sinh (z1 + z2) REDMI NOTE 8 PRO sinh z1 cosh 22+ cosh z1 sinh z2- AI QUAD CAMERA
Transcribed Image Text:1-4 FORMULAS FOR HYPERBOLIC FUNCTIONS Show that 1. cosh z = coshx cos y + i sinh sin y sinh z = sinh x Cos y +i cosh x sin y. 2. cosh (z1 + z2) cosh z1 cosh z2+ sinh z1 sinh z2 sinh (z1 + z2) REDMI NOTE 8 PRO sinh z1 cosh 22+ cosh z1 sinh z2- AI QUAD CAMERA
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