The tangent can be determined with a collection of mathematical formulas but is most commonly determined by dividing the sine function by the cosine function.

Graphs of Sine and Cosine 1.2 An applet illustrating how the graphs of sine and cosine are related to the unit circle. Transformations of Functions 1.3 An applet illustrating how transformations ...

The chart function in Excel enables users to strike a balance between automation and customization. Although the program can generate a chart quickly and easily, the user is also able to assert ...

Function Carnival helps students get a handle on confusing graphs lessons and helps them experiment to resolve misunderstandings. Through video, graphing, and replaying graphs as animations students ...

With static graphs and equations, it's possible to get a handle on the rules of what various functions do and mean.