Sections:

Graphing Trigonometric Functions, Page 10

Secant Function

The following is the graph of f(x) = sec(x):

graph of f(x) = sec(x)

The following are the properties of the graph of f(x) = sec(x):
The period is 2Pi.
The domain is All Real Numbers  except n times pi over two, where n is any odd integer.
The range is all real numbers greater than or equal to one and all real numbers less than or equal to negative one.
There are no x-intercepts.
There is no y-intercept.
The asymptotes are x equals n times pi over two, where n is any odd integer.