Given that z = cos + isin and u-iv-(1+z)(1-22). Show that 30 v = utan 2 r = 4² cos² (2). where r is the modulus of the complex numberu +-iv.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.4: Zeros Of A Polynomial
Problem 24E
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Given that z = cos + i sin and u-iv-(1+z)(122²). Show that
v = utan
r = 4² cos²
where r is the modulus of the complex numberu + -iv.
30
2
(9).
Transcribed Image Text:Given that z = cos + i sin and u-iv-(1+z)(122²). Show that v = utan r = 4² cos² where r is the modulus of the complex numberu + -iv. 30 2 (9).
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