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If f(z) is analytic function expressed in polar form, show that: (sin + icos) of ᎧᎾ f'(z)=(cos- i sin () af Ər = r

If f(z) is analytic function expressed in polar form, show that: (sin + icos) of ᎧᎾ f'(z)=(cos- i sin () af Ər = r

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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(8) If f(z) is analytic function expressed in polar form, show that: of (sin+icos) of Ər r ᎧᎾ f'(z)=(cos-isin). =
Transcribed Image Text:(8) If f(z) is analytic function expressed in polar form, show that: of (sin+icos) of Ər r ᎧᎾ f'(z)=(cos-isin). =
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