# Unit 4 Unit Activity Trigonometric Functions 1 .doc -...

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ALGEBRA 2Unit Activity: Trigonometric Functionsfor Unit 4 of Semester B (v7.0)Unit 4 Unit Activity: Trigonometric FunctionsIntroductionYou have learned about the features of trigonometric functions as well as how they may beused in modeling. In this activity, you will apply these trigonometric skills to two differentscenarios.Please enter your responses in the relevant spaces below, then save and upload yourcompleted file to the dropbox within your course for scoring. (Remember to use Windows-friendly file types, such as .doc or .pdf.)Task 1: Modeling PrecipitationSuppose that the precipitation in Chicago can be modeled by a trigonometric function.Represent time in months elapsed since the beginning of the year (in other words, in January; February). The average monthly precipitation for the year isinches, and Februaryis the driest month of the year withinches of precipitation.A.Identify the independent and dependent variables, both with letter names (and) andwhat they represent in this scenario.Independent variable:Dependent variable:B.Find the amplitude and period of the function. Show your work.Amplitude:Period:C.Write the trigonometric function that represents the expected precipitation for any givenmonth. Explain why you chose your function type, and show work for any values notalready given in part B above.Page 1 of 4

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Term
Fall
Professor
Fff
Tags
Tide, Unit Activity, Modeling Tides