Print this chapterPrint this chapter

5. Trigonometric Functions and Graphs

5.2 Transformations of Sinusoidal Functions

Class Notes

The McGraw-Hill Ryerson PreCalculus 12 Text is used as the Main Resource.

Assignments in the Powerpoint Lesson Plans refer to pages and questions in the PreCalculus 12 text.

 5.2 Transformations of Sinusoidal Functions

 5.2 Formative Assessment Graphing Phase Shift and Displacement

Digital Resources to Enhance Learning and Differentiate Instruction

 5.2 Transformations abcd

Transformations%20of%20Sine%20and%20Cosine%20Curves.wmv

  Sine Cosine Tracer

Pedagogical Shifts: TRANSFORM, Moving from Traditional to Student-Centered

Shifting from Student as Knowledge Recipient to Student as Inquirer and Creator

Shifting from Memoriation to Higher-level Thinking

Shifting from competative to collaborative learning.

 

 Matching Sinusoidal Equations with Graphs and Properties

In this activity, students worked in pairs to match the graph with the function equation and function table. They also had to list the features of the graph including amplitude, period, and principal axis.

Wave Rider Game

In this game, student must race the timer to write the equation of a sinusoidal function that matches the given graph. Extra point are given if you can collect the token. See who in your class can beat the high score.

http://www.bbc.co.uk/bitesize/higher/games/wave_rider/

Desmos Sinusoidal Transformations Investigation  (Download:  SineTransformationsInv.docx)

This investigation assumes that students understand the basic properties of y = sinx and y = cosx and the transformations related to y = a f[b(x - c)] + d.  Students will explore how the parameters a, b, c, and d affect sinusoidal functions.

The investigation involves three steps:

1.  Use Visualization to predict what characteristics will change when each of the parameters are adjusted.

Chart

2.  Verify the predictions from step 1 by using Desmos and sliders for each parameter.

Desmos Sample

3.  Explore in more detail the relationship between the parameters and the characteristics of the graph.

Step 3

Investigation - Transformations Connections (Download:  TransformationsConnections.docx)

This activity asks students to review a transformation on a function they are already familiar with and then apply the same type of transformation to a sinusoidal function.  

TransfConnect1     Transf Connect2

This is an example of making Connections between mathematical concepts.  Visit the Connections Process Page to explore more ways to incorporate Connections in your teaching.