Build on the understanding of finding angles using trigonometric ratios. Pupils develop the definitions of inverse trigonometric functions by restricting their domains in the 13th instructional activity of a 16-part series. They use inverse functional notation to denote the inverses. Class members move on to use inverse functions to solve trigonometric problems.

Concepts

Trigonometry, graphing trigonometric functions, inverse trigonometric functions, trigonometric, trigonometry applications

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Additional Tags

math

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Instructional Ideas

• Review the need at times to restrict the domain to create an invertible function

Classroom Considerations

• Class members should understand the concept of inverse functions
• Students should have had experiences with arcsine, arccosine, and arctangent

Pros

• Provides suggestions for alternative practice methods
• Highlights where the mathematical process are used in the lesson

Cons

• None

Common Core

HSF-TF.B.6 MP3 MP6 MP7