Periodic Functions and Trigonometry.
A sound wave has a period of 0.02 seconds and an amplitude of 3 units. Sketch a graph of the sound wave.
Can you please show work so I understand how it is done, I am sure something like this will be on my test. I am having a lot of trouble with this unit.
Thanks!

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http://www.wolframalpha.com/input/?i=3*sin%282*pi*%281%2F0.02%29*t%29

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