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4.12 Show that if Z is a complex number then: Re(z)=(Z+z*)/2, (a) Im(2) = (ž – 2*)/2i cos 0 = (¹ +e-¹0)/2; (b) (c) (d) sin 0 = (ei-e-¹)/2i

4.12 Show that if Z is a complex number then: Re(z)=(Z+z*)/2, (a) Im(2) = (ž – 2*)/2i cos 0 = (¹ +e-¹0)/2; (b) (c) (d) sin 0 = (ei-e-¹)/2i

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 72E
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4.12 Show that if is a complex number then: Re(z) = (2+2)/2; (a) (b) (c) (d) Im (2) = (2-2¹)/2i cos 0 = (¹ +e-¹0)/2. sin 0 = (eiº - e-i)/2i
Transcribed Image Text:4.12 Show that if is a complex number then: Re(z) = (2+2)/2; (a) (b) (c) (d) Im (2) = (2-2¹)/2i cos 0 = (¹ +e-¹0)/2. sin 0 = (eiº - e-i)/2i
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