Let z be a complex number. Then the solution(s) of sinhz+coshz=1/e is (are) * O None of these O does not exist O z=nni-1 where n is an integer. O z=2nnti-1 where n is an integer. O z=-1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section: Chapter Questions
Problem 36RE
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thout applying Cauchy-
Goursat Theorem)
Let z be a complex number. Then the
solution(s) of sinhz+coshz=1/e is (are) *
O None of these
does not exist
O z=nni-1 where n is an integer.
O z=2nni-1 where n is an integer.
O z=-1
Let z=x+iy be a complex number such that
coshz#0. Then Im(tanhz) is equal to
O None of these
Transcribed Image Text:thout applying Cauchy- Goursat Theorem) Let z be a complex number. Then the solution(s) of sinhz+coshz=1/e is (are) * O None of these does not exist O z=nni-1 where n is an integer. O z=2nni-1 where n is an integer. O z=-1 Let z=x+iy be a complex number such that coshz#0. Then Im(tanhz) is equal to O None of these
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