Description
In this lesson, we revisit the idea of periodicity of the trigonometric functions as introduced in Algebra II Module 1 Lesson 1. Students continue to explore the relationship between trigonometric functions for rotations 𝜃, examining the periodicity and symmetry of the sine, cosine, and tangent functions. They also use the unit circle to explore relationships between the sine and cosine functions.
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From EngageNY.org of the New York State Education Department. Precalculus and Advanced Topics Module 4, Topic A, Lesson 2.
Available from engageny.org/resource/precalculus-and-advanced-topics-module-4-topic-a-lesson-2; accessed 2015-05-29.
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