3 Steps to Sketch: Graph y=cosx

Master the 3 Steps to Sketch method while graphing y=cosx.
Step #1: Find the Essentials
Step #2: Plot Key Points
Step #3: Sketch and Repeat!

Use this easy method to graph any basic (unshifted) cosine graph.

For more examples of cosine and other trig graphs, check out this playlist:
Graphing Cosine: 3 Steps to Sketch

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