Instructional Video
Khan Academy

Khan Academy: Trigonometry: More Trig Graphs

9th - 10th Standards
Video about translating between the graph and equation of trigonometric functions. Examples consist of writing the equation a sine function from its graph and graphing a cosine function from its equation. [5:13]
Instructional Video
Khan Academy

Khan Academy: Trigonometry: Graphs of Trig Functions

9th - 10th Standards
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]
Instructional Video
Khan Academy

Khan Academy: Trigonometry: Determing the Equation of a Trigonometric Function

9th - 10th Standards
Video about finding the equation of a trigonometric function from its graph. Two examples are sine functions and one example is a cosine function [9:52]
Instructional Video
Khan Academy

Khan Academy: Trigonometry: Graphing Trig Functions

9th - 10th Standards
Video showing how to graph the sine and cosine functions from their equations with modifications to the amplitude and period. Also gives an example of determining the trigonometric function using the features of the graph. Includes link...