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First, you should type this equation into your graphing calculator and push the zoom 7-trig button in order to see the graph properly.

The amplitude is the distance from the x-axis to the peak of the curve (the very top or bottom). When you check the table on your graphing calculator, you will see that the y-values only go up until 3 and down until -3 meaning that the graph cannot exceed these y-values.

The x-axis is zero on the y-axis so...



Distance is always positive so the amplitude is 3 units.

**Make sure to type everything in carefully. Your work can simply include a sketch of the graph and the table of values of the equation. Have fun!

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11y ago
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Q: What is the amplitude of the graph of the equation y equals 3sin6x?
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