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This Exploiting the Connection to Trigonometry 1 lesson plan also includes:
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- Exploiting the Connection to Trigonometry 1 (Doc)
- Pre-Calculus Module 1: Teacher Materials
- Pre-Calculus Module1: Student Materials
- Pre-Calculus Module 1: Copy Ready Materials
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Class members use the powers of multiplication in the 19th installment of the 32-part unit has individuals to utilize what they know about the multiplication of complex numbers to calculate the integral powers of a complex number. Groups work through a series of problems and determine DeMoivre’s formula that uses the polar form to quickly calculate powers.
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CCSS:
Designed
Concepts
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Instructional Ideas
- Conduct a mini-review of binomial expansions beyond cubics
Classroom Considerations
- The class should be familiar with changing complex numbers from rectangular form to polar form and vice versa
- Provide a unit circle with critical trigonometric function values labeled on it for struggling pupils
Pros
- The answer key for the problem set shows all the steps of the calculations students should show
- The teacher notes include anticipated pupil responses to the discussion questions
Cons
- None