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This Trigonometry and Complex Numbers lesson plan also includes:
- Trigonometry and Complex Numbers (Doc)
- Trigonometry and Complex Numbers (PDF)
- Trigonometry and Complex Numbers (Doc)
- Pre-Calculus Module 1: Teacher Materials
- Pre-Calculus Module1: Student Materials
- Pre-Calculus Module 1: Copy Ready Materials
- Assessment
- Answer Key
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Complex numbers were first represented on the complex plane, now they are being represented using sine and cosine. Introduce the class to the polar form of a complex number with the 13th part of a 32-part series that defines the argument of a complex number in terms of a rotation, and connects the definition to the sine and cosine functions learned in previous courses. Then pupils convert between polar and rectangular forms of complex numbers.
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CCSS:
Designed
Concepts
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Instructional Ideas
- Conduct a brief review of trigonometric functions prior to starting the lesson
- Use the trigonometry review problems to identify class members that will need additional support during the lesson
Classroom Considerations
- Individuals should be familiar with special right triangles and finding any side given one other side
Pros
- The teacher notes provide additional suggestions to help the class be successful with the concepts
- Each section has its own suggested timing
Cons
- None