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Cosine Graphs: y = k + A cos(Bx + C)

This applet is designed to let you investigate the graphs of cosine functions. The function being graphed in blue is: y = k + A cos (Bx + C). This graph can easily be compared to the graph of y = cos(x) that is graphed in red. Use the sliders to change the values of A, B, C, and k.