Multiplication, Division - PowerPoint PPT Presentation

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Multiplication, Division

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Multiplication, Division & DeMoivre s Theorem ES: Making decisions after reflection and review Warm-Up: Convert -8 8i into trigonometric form. – PowerPoint PPT presentation

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Title: Multiplication, Division


1
Multiplication, Division DeMoivres Theorem
  • ES Making decisions after reflection and review
  • Warm-Up Convert -8 8i into trigonometric form.

2
Multiplying in Trig (cis) Form
3
Dividing in Trig (cis) Form
4
Examples Evaluate with the help of trig form if
needed. Show your answer in both trig standard
form.
  • (3 3i)(-2 2i)

5
Examples Evaluate.
  • 2) (3cis90)(5cis45)

6
Examples Evaluate with the help of trig form if
needed. Show your answer in both trig standard
form.
  • 3)

7
Examples Evaluate
  • 4)

8
DeMoivres Theorem
9
Examples Evaluate
  • 5) 4(1 - iv3)3

10
  • Evaluate. Leave your answer in trig form with
    the argument in the interval

11
Closure Evaluate, putting your final answer in
standard form. Check your answer on your
calculator
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