Visualizing Functions as Graphs. In the applet below is intended to help you understand the connection between the graph of a function and the function itself. Recall that a function can be thought of ...

Graphs of Cosine and Sine. Cosine and sine of an angle θ are defined to be the x and y-coordinates of the point P on the unit circle with the property that the line from O to P makes and angle θ with ...

Microsoft Office's Excel application allows users to store, model and manipulate data sets. Excel spreadsheets organize this data into worksheets, each with a number of rows and columns. Each row ...