roblem 1: onvert from rectangular to polar form: a) 2 + 2v3i b) 3- 4i =) V3 - i

Algebra & Trigonometry with Analytic Geometry
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ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
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complex numbers

Problem 1:
Convert from rectangular to polar form:
(a) 2 + 2v3i
(b) 3 - 4i
(c) V3 - i
(d) -V6 - VZi
(e) -8i
Convert from rectangular to polar form:
(a) vZ cis 325°
(b) 8 cis
(c) cis 240°
(d) 10 cis 48°
(e) 12 cis 1080°
Problem 2: Use De Moivre's formulas to perform the indicated operations, and express the result
in rectangular form.
(a) (3 cis 45°)(2cis 30°)(4 cis – 60°)
jda
(6 cis )(3 ets
(b)
4 cis
(c) (2 cis 60°)* (3 cis 30°)5
(d) Solve the equation z* = 2 + 2i. (There are four 4th roots.)
Problem 3:
Express the equation in terms of rectangular coordinates, and sketch the locus on the complex plane.
(a) Re(27 + 3} = 1
(b) |zl² + Im{z} = 16
Express the ff. equations in terms of complex conjugates.
(a) (x – 3)² + y? = 9
(b) 2х - Зу 3 5
Transcribed Image Text:Problem 1: Convert from rectangular to polar form: (a) 2 + 2v3i (b) 3 - 4i (c) V3 - i (d) -V6 - VZi (e) -8i Convert from rectangular to polar form: (a) vZ cis 325° (b) 8 cis (c) cis 240° (d) 10 cis 48° (e) 12 cis 1080° Problem 2: Use De Moivre's formulas to perform the indicated operations, and express the result in rectangular form. (a) (3 cis 45°)(2cis 30°)(4 cis – 60°) jda (6 cis )(3 ets (b) 4 cis (c) (2 cis 60°)* (3 cis 30°)5 (d) Solve the equation z* = 2 + 2i. (There are four 4th roots.) Problem 3: Express the equation in terms of rectangular coordinates, and sketch the locus on the complex plane. (a) Re(27 + 3} = 1 (b) |zl² + Im{z} = 16 Express the ff. equations in terms of complex conjugates. (a) (x – 3)² + y? = 9 (b) 2х - Зу 3 5
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