Plot tan, cot, sec and csc on the interval [-2Pi, 2Pi]. (Note that these functions all have vertical ... sec(2x). On the same graph plot tan(x) and tan(3x) and tan(x) + tan(3x). Explain the results of ...

The film uses various examples, including graphs and equations, to clarify the definitions of domain, range, and the unique relationship that defines a function. Keywords function, mathematics ...