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Lesson Plan Graphing Sine and Cosine Lynn Weiss Goal: Students depart apply technology to go steady how to represent trigonometric functions. They will work cooperatively to imitate sine and cosine functions after real world applications. Prerequisites: Students should sire a basic tightness of the unit circularize. They should know how to graph y = sin(x) and y = cos(x). They should conceive basic trigonometric definitions such as amplitude, period, and shift. Materials: Students should have a TI Graphing Calculator (TI-82, TI-83, or TI-84). surgical operation: In past years I have apply a Spaghetti Lab where scholarly persons work in groups to disc over the graphs of y = sin(x) and y = cos(x). They use butcher paper and spaghetti on with their knowledge of right triangle trig and the unit circle to graph the functions. This lesson will begin on the school daytime avocation the completion of this lab. solar day 1: 1. reasse ssment graphing y = sin(x) and y = cos(x). Be sure that students know the amplitude, period, sphere and range of the functions. address how to graph the functions in both radian and degree mode. 2. leave the worksheet Graphing Calculator Exploration, Graphing Sine and Cosine. restrain students work respectively to complete the worksheet.

They should discover how granted the comparability y = a sin b(x-c)+ d, changes in a, b, c, and d instal the graph. 3. Go over the answers to the worksheet as a class. Have students inform to explain their solutions. Day 2 1. Give a fine-tune partner test to value stude nts knowledge of graphing sine and cosine. ! The quiz will ask them to graph a function and to consider the equation of a given graph. 2. Distribute index card game to all students in the class. from severally one classroom gameboard will have a menage with an answer on it. The students will use their knowledge of the unit circle to mother other members of their group. For instance a student with sin 30? and a student with cos 60? will each sit at the table...If you want to furbish up a full essay, order it on our website: BestEssayCheap.com

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