Learning to Graph Cosine with a Reflection and Period Change

The video tutorial explains how to graph a cosine function by understanding key concepts such as amplitude, period, Xscale, vertical translation, and phase shift. It begins with an introduction to these concepts, followed by calculations for amplitude and period using the general form of the cosine function. The tutorial then demonstrates how to graph the parent cosine function and make necessary adjustments for phase shift and Xscale. Finally, it covers the final adjustments to the graph, including amplitude changes and reflections.

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