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module 4
14 Instructional days (14 hours)



This module revisits trigonometry that was introduced in Geometry and Algebra II, uniting and further expanding the ideas of right triangle trigonometry and the unit circle. New tools are introduced for solving geometric and modeling problems through the power of trigonometry. Students explore sine, cosine, and tangent functions and their periodicity, derive formulas for triangles that are not right, and study the graphs of trigonometric functions and their inverses.


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From of the New York State Education Department. Precalculus and Advanced Topics Module 4. Available from; accessed 2015-05-29.
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