BBC
Bbc: Radians and Equations
BBC provides a tutorial that explains how radians are related to degrees and demonstrates how to solve trig equations in radian units. Examples and a practice test are available.
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 7 [Pdf]
The practice problem uses a straightedge and a figure to approximate the solution of each equation. The figure is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 8 [Pdf]
The practice problem uses a straightedge and a figure to approximate the solution of each equation. The figure is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Fitting Models to Scatter Plots 5 [Pdf]
Students evaluate a scatter plot to determine the relationship between two variables. The scatter plot is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Fitting Models to Scatter Plots 6 [Pdf]
Students evaluate a scatter plot to determine the relationship between two variables. The scatter plot is available in PDF format.
Johan Claeys
Math Abundance: Trigonometry: The Sine Function
Definition of a sine function. Range and period also are given. Graph of sine function given as well.
Texas Instruments
Texas Instruments: Give Me a Sine (And a Cosine) Using Ti Navigator
In this lesson, students contribute data points to build graphs of the sine and cosine functions. The transition from trig ratios to trig functions is a particularly difficult one, but it is also one where the social space of the...