Explore different types of functions using an interactive lesson. Learners enter functions and view the accompanying graphs. They can choose to show key features or adjust the scale of the graph.

A lesson plan where students will interpret the trigonometric functions in terms of the unit circle, graph a sinusoidal function, and use a sinusoidal function to make interpretations in a modeling context.

Provides a detailed explanation of trigonometric functions with examples of reference angles and ratios.

An introduction to solving acute and obtuse triangles by using the law of cosines, including a derivation of the formula. Includes several pistures and examples.

Using similar triangles, a relationship is established between the six trigonometric functions of an angle and simple line segments. These relationships are then confirmed using line segment measurement capabilities of the graphing...

Resource contains interactive programs that can be manipulated and animation to help students grasp basic concepts in trigonometry.

Explore how changes to the equations of sine and cosine functions affect the graphs of the functions through transformations (stretches and shifts).