Calculate the following integrals using complex variable techniques. ᏧᎾ 2π (i) S 1+8 cos20 (ii) I COS x dz x²-2x+5 Leave your answers in terms of real functions of real variables.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 21T
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Calculate the following integrals using complex variable techniques.
ᏧᎾ
2π
(i)
S
1+8 cos20
(ii)
I COS x dz
x²-2x+5
Leave your answers in terms of real functions of real variables.
Transcribed Image Text:Calculate the following integrals using complex variable techniques. ᏧᎾ 2π (i) S 1+8 cos20 (ii) I COS x dz x²-2x+5 Leave your answers in terms of real functions of real variables.
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