Copyright © 2011 Pearson, Inc. 6.6 De Moivre’s Theorem and nth Roots.

Slides:



Advertisements
Similar presentations
Copyright © 2011 Pearson, Inc. P.6 Complex Numbers.
Advertisements

10.4 Trigonometric (Polar) Form of Complex Numbers
6.5 Trigonometric Form of a Complex number De Moivres theorem.
Advanced Precalculus Notes 8.3 The Complex Plane: De Moivre’s Theorem
De Moivres Theorem and nth Roots. The Complex Plane Trigonometric Form of Complex Numbers Multiplication and Division of Complex Numbers Powers of.
8 Applications of Trigonometry Copyright © 2009 Pearson Addison-Wesley.
Copyright © 2011 Pearson, Inc. 6.6 Day 1 De Moivres Theorem and nth Roots Goal: Represent complex numbers in the complex plane and write them in trigonometric.
© 2010 Pearson Education, Inc. All rights reserved.
Copyright © 2008 Pearson Education, Inc. Chapter 4 Calculating the Derivative Copyright © 2008 Pearson Education, Inc.
Copyright © 2008 Pearson Education, Inc. Chapter 13 The Trigonometric Functions Copyright © 2008 Pearson Education, Inc.
6.5 Complex Numbers in Polar Form. Copyright © 2014, 2010, 2007 Pearson Education, Inc. 2 Objectives: Plot complex number in the complex plane. Find the.
10.6 Roots of Complex Numbers. Notice these numerical statements. These are true! But I would like to write them a bit differently. 32 = 2 5 –125 = (–5)
Complex Numbers. Complex number is a number in the form z = a+bi, where a and b are real numbers and i is imaginary. Here a is the real part and b is.
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide 6- 1 Homework, Page 548 (a) Complete the table for the equation and.
Copyright © 2014, 2010, 2007 Pearson Education, Inc.
Copyright © 2009 Pearson Addison-Wesley Complex Numbers, Polar Equations, and Parametric Equations.
Applications of Trigonometry
Slide Copyright © 2012 Pearson Education, Inc.
Copyright © 2011 Pearson, Inc. P.2 Cartesian Coordinate System.
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide 6- 1 Homework, Page 539 The polar coordinates of a point are given.
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide 6- 1.
9.7 Products and Quotients of Complex Numbers in Polar Form
Copyright © 2009 Pearson Education, Inc. CHAPTER 8: Applications of Trigonometry 8.1The Law of Sines 8.2The Law of Cosines 8.3Complex Numbers: Trigonometric.
Section 1Chapter 8. 1 Copyright © 2012, 2008, 2004 Pearson Education, Inc. Objectives Radical Expressions and Graphs Find roots of numbers. Find.
Copyright © 2011 Pearson, Inc. 6.6 De Moivre’s Theorem and nth Roots.
Sec. 6.6b. One reason for writing complex numbers in trigonometric form is the convenience for multiplying and dividing: T The product i i i involves.
Copyright © 2011 Pearson, Inc. 2.4 Real Zeros of Polynomial Functions.
DeMoivre’s Theorem The Complex Plane. Complex Number A complex number z = x + yi can be interpreted geometrically as the point (x, y) in the complex plane.
Copyright © 2011 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Chapter 1 Functions.
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Prentice Hall 8.1 Sequences.
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Prentice Hall Rules for Differentiation Section 3.3.
Slide Copyright © 2008 Pearson Education, Inc. Publishing as Pearson Addison-Wesley.
Copyright © 2011 Pearson, Inc. 1.3 Twelve Basic Functions.
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Prentice Hall 2.3 Product and Quotient Rules for Differentiation.
Copyright © 2009 Pearson Addison-Wesley Complex Numbers, Polar Equations, and Parametric Equations.
Section 6.5 Complex Numbers in Polar Form. Overview Recall that a complex number is written in the form a + bi, where a and b are real numbers and While.
Section 8.1 Complex Numbers.
Copyright © 2011 Pearson, Inc. 5.1 Fundamental Identities.
8.3, Pages #25-34, ) a) -4, 16b) -12, 0 c) 8, -8 26) a) -4, -8b) 12, 0 c) -4, 4 27) a) 8,0b) 0, 16 c) -4, -8 28) a) 4,0b) -12, 8 c) 4,4 29)
Copyright © 2013, 2009, 2005 Pearson Education, Inc. 1 8 Complex Numbers, Polar Equations, and Parametric Equations.
The Complex Plane; De Moivre’s Theorem. Polar Form.
Lesson 78 – Polar Form of Complex Numbers HL2 Math - Santowski 11/16/15.
Copyright © 2009 Pearson Addison-Wesley De Moivre’s Theorem; Powers and Roots of Complex Numbers 8.4 Powers of Complex Numbers (De Moivre’s.
Chapter 3 Polynomial and Rational Functions Copyright © 2014, 2010, 2007 Pearson Education, Inc Zeros of Polynomial Functions.
11.4 Roots of Complex Numbers
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Prentice Hall Areas in the Plane Section 7.2.
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide 6- 1 Homework, Page 559 Plot all four points in the same complex plane.
Copyright © Cengage Learning. All rights reserved. 6 Additional Topics in Trigonometry.
Chapter 1 Equations and Inequalities Copyright © 2014, 2010, 2007 Pearson Education, Inc Complex Numbers.
Lesson 6.5 Trigonometric Form of Complex Numbers.
Copyright © 2007 Pearson Education, Inc. Slide Trigonometric (Polar) Form of Complex Numbers The Complex Plane and Vector Representations Call.
Applications of Trigonometric Functions
Copyright © 2011 Pearson Education, Inc. Trigonometric Form of Complex Numbers Section 6.2 Complex Numbers, Polar Coordinates, and Parametric Equations.
1) Trig form of a Complex # 2) Multiplying, Dividing, and powers (DeMoivre’s Theorem) of Complex #s 3) Roots of Complex #s Section 6-5 Day 1, 2 &3.
6.6 DeMoivre’s Theorem. I. Trigonometric Form of Complex Numbers A.) The standard form of the complex number is very similar to the component form of.
Multiplying and Dividing Rational Numbers
Copyright © 2017, 2013, 2009 Pearson Education, Inc.
Copyright © 2014, 2010, 2007 Pearson Education, Inc.
Section 2.5 Graphing Techniques; Transformations
Flashback For Oblique Triangles If you are given: AAS or ASA- SSS-
De Moivre’s Theorem and nth Roots
Section 9.3 The Complex Plane
De Moivre’s Theorem and nth Roots
Section 2.5 Graphing Techniques; Transformations
The Inverse Trigonometric Functions (Continued)
Copyright © 2014, 2010, 2007 Pearson Education, Inc.
7.6 Powers and Roots of Complex Numbers
Copyright © 2017, 2013, 2009 Pearson Education, Inc.
Complex Numbers and i is the imaginary unit
De Moivre’s Theorem and nth Roots
Presentation transcript:

Copyright © 2011 Pearson, Inc. 6.6 De Moivre’s Theorem and nth Roots

Copyright © 2011 Pearson, Inc. Slide What you’ll learn about The Complex Plane Trigonometric Form of Complex Numbers Multiplication and Division of Complex Numbers Powers of Complex Numbers Roots of Complex Numbers … and why The material extends your equation-solving technique to include equations of the form z n = c, n is an integer and c is a complex number.

Copyright © 2011 Pearson, Inc. Slide Complex Plane

Copyright © 2011 Pearson, Inc. Slide Absolute Value (Modulus) of a Complex Number

Copyright © 2011 Pearson, Inc. Slide Graph of z = a + bi

Copyright © 2011 Pearson, Inc. Slide Trigonometric Form of a Complex Number

Copyright © 2011 Pearson, Inc. Slide Example Finding Trigonometric Form

Copyright © 2011 Pearson, Inc. Slide Example Finding Trigonometric Form

Copyright © 2011 Pearson, Inc. Slide Product and Quotient of Complex Numbers

Copyright © 2011 Pearson, Inc. Slide Example Multiplying Complex Numbers

Copyright © 2011 Pearson, Inc. Slide Example Multiplying Complex Numbers

Copyright © 2011 Pearson, Inc. Slide A Geometric Interpretation of z 2

Copyright © 2011 Pearson, Inc. Slide De Moivre’s Theorem

Copyright © 2011 Pearson, Inc. Slide Example Using De Moivre’s Theorem

Copyright © 2011 Pearson, Inc. Slide Example Using De Moivre’s Theorem

Copyright © 2011 Pearson, Inc. Slide Example Using De Moivre’s Theorem

Copyright © 2011 Pearson, Inc. Slide nth Root of a Complex Number

Copyright © 2011 Pearson, Inc. Slide Finding nth Roots of a Complex Number

Copyright © 2011 Pearson, Inc. Slide Example Finding Cube Roots

Copyright © 2011 Pearson, Inc. Slide Example Finding Cube Roots