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.

What is the general form of the cosine function as mentioned in the text?

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How do you determine the amplitude of a cosine graph?

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What is the formula to find the period of a cosine function?

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Explain how to find the X scale for the cosine graph.

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What does vertical translation refer to in the context of graphing cosine functions?

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Describe the process of graphing the cosine function as outlined in the text.

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What are the key characteristics of the cosine graph that need to be remembered?

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