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Khan Academy
Khan Academy: Trigonometry: Graphs of Trig Functions
Video exploring the graphs of the basic trigonometric functions. Effects of changes in the equation of the sine function to the period and the amplitude of the graph are shown. Includes link to additional practice problems. [10:17]
Khan Academy
Khan Academy: Graphs of Trig Functions:graph, Domain, and Range of Sine Function
A video graphing a sin curve to think about its domain and range.
Khan Academy
Khan Academy: Amplitude and Period Cosine Transformations
Visualizing changes in amplitude and period for a cosine function
Khan Academy
Khan Academy: Graphs of Trig Functions: Example: Intersection of Sine and Cosine
A video showing where the graphs of sin and cos intersect. [11:07]
Khan Academy
Khan Academy: Amplitude & Period of Sinusoidal Functions From Equation
This video shows how to determine the amplitude and period of a trigonometric function. [8:20]
Khan Academy
Khan Academy: Graphs of Trig Functions: Example: Graph of Cosine
Basic interpretation of the graph of the cosine function
Khan Academy
Khan Academy: Graphs of Trig Functions: Amplitude and Period Transformations
Understanding how the amplitude and period changes as coefficients change.
Khan Academy
Khan Academy: Determining the Equation of a Trigonometric Function
Video about finding the equation of a trigonometric function from its graph.