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Mathematics 18 Online
OpenStudy (anonymous):

how do I graph \[y=-3cos(3x)\]? I know that 3 is the amplitude I know that the graph will be upside down. I know that the period is \[\frac{2\pi}{3}\]

OpenStudy (amistre64):

you might want to start with the basic cosine graph and modify it in steps

OpenStudy (amistre64):

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