How many times can eager mathematicians catch the waves? Pupils find the solutions of three different trigonometric equations. They then determine the effect of the slope of a line that intersects a trigonometric function and the number of solutions.

Concepts

slope, solutions, sine, functions, trigonometric, trigonometric functions, graphing trigonometric functions, intersection

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Additional Tags

math

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Instructional Ideas

• Extend the problem to cosine

Classroom Considerations

• Individuals should be aware of trigonometric functions
• Class members need access to a graphing utility

Pros

• Provides an answer key for easy grading
  
• Denotes the level of mathematical actions involved

Cons

• None

Common Core

HSA-REI.D.11 HSF-BF.B.3 HSF-TF.B.7 MP1 MP5 MP6