Teacher Resources for Instructional Planning


Algebra 2 with Trigonometry Std 9: Graph trigonometric functions of the form y=a sin(bx), y=a cos(bx), and y=a tan(bx).

Lesson Plans Chicago Public Schools This is a structured lesson plan on the graphs of trigonometric functions. It includes activities and assessments (Day 146). Tweaking a Trigonometric Function -- An Exploratory Lesson This lesson will demonstrate the various translations of y=AsinB(x+C)+D based upon changes in A, B, C, and D. The graphing calculator’s overlay graphs make it easy for students to detect, understand, and predict translations in periodic curves. Stomach Turner Roller Coaster This unit teaches students to recognize, graph, and write equations for sinusoidal curves with and without the use of technology. Making Waves This lesson models the average daily maximum temperature at different locations using trigonometric functions. The models are impressively accurate. Chicago Public Schools Beginning at day 119, The next several lessons deal with the objectives from an introduction to real world examples. Sine and Cosine Graphs This is an online textbook written by an algebra 2 teacher that has lessons and mini-quizzes for everything.

Resources: Wave Applet Interactive java applet to let students see and hear the correlation between sound and trig waves Draw Your Sound Interactive java applet lets students draw a sine wave and the computer returns the sound of their wave. Sine Wave Addition This applet demonstrates harmony in sine waves. Graph Recognition Interactive applet that allows students to match graphs with equations. SOS Math This site is an online tutorial that explains many of the concepts in Algebra 2. It includes exercises. Species Competition This is a java applet that shows graphs of the population percentages as species compete for resources. Students can interpret the graph as they compete. In some instances, the graphs are trigonometric in nature. Circular Function Graphs This site is a collection of math applets that allows students to change the parameters of the trig functions and watch the graphs change. Included are interactive quizzes. Periodic Functions This site is has a good explanation with pictures describing the change in the parameters of trigonometric graphs. Japanese Math Applets Java applets demonstrating many concepts in Trigonometry. Japanese Math Applets This applet illustrates the effect of changing parameters in y=A sin B(X-C). Weather Data Good resource for examining the trigonometric nature of weather phenomena. Search average temperature and precipitation for any city in the US. You could import the data into a calculator or into Microsoft Excel to graph the data.
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