Today in class we started a new unit called periodic functions. We will be doing this unit today, tommorow and wednesday. Then we will be starting personal finance on thursday and friday.
For this unit graphmatica or your calculater can be used. If you are using graphmatica remember that you can change your grid range by clicking view, then grid range, and then adjusting it to you liking. Also you can change your graphpaper style by going to view, graphpaper, then to trig or rectangular. Trig will give you the pi amounts.
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