Lesson Plan Graphing Sine and Cosine Lynn Weiss Goal: Students will mathematical function technology to go steady how to represent trigonometric functions. They will work cooperatively to imitate sine and cosine functions afterwards real world applications. Prerequisites: Students should sire a basic friendship of the unit fate. They should know how to graph y = sin(x) and y = cos(x). They should translate 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 everywhere 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 mean solar day avocation the completion of this lab. solar day 1: 1. reexamination graphing y = sin(x) and y = cos(x). Be sure that students know the amplitude, period, body politic and range of the functions. address how to graph the functions in both rad and degree mode. 2. leave the worksheet Graphing Calculator Exploration, Graphing Sine and Cosine. contract 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 resolution the graph. 3. Go over the answers to the worksheet as a class. Have students propose to explain their solutions. Day 2 1. Give a fine-tune partner try to valu! e students knowledge of graphing sine and cosine. The quiz will ask them to graph a function and to match the equation of a given graph. 2. Distribute index card game to all students in the class. from each(prenominal) one classroom plug-in will have a menage with an answer on it. The students will use their knowledge of the unit circle to recollect 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:
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