Just need a little help. Thanks
Use the given information to create a cosine function:

1. Amplitude: 2

Period: 2Π/5

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2. Amplitude: 5

Period: 4Π

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3 and 4: Write the equation of the following cosine curves: ( Refer to the images)
5. In your own words, what is the main difference between graphing a sine function compared to graphing a cosine function?