Decide whether each statement is true or false. If false, explain why.
The tangent and secant functions are undefined for the same values.

Determine an equation for each graph.

Graph each function over a two-period interval.

y = 1 + tan x

Determine an equation for each graph.

Graph each function over a two-period interval.

y = 1 - cot x

Graph each function over a two-period interval.

y = -1 + 2 tan x

Decide whether each statement is true or false. If false, explain why.

The graph of y = sec x in Figure 37 suggests that sec(-x) = sec x for all x in the domain of sec x.

Graph each function over a two-period interval.

y= -1 + (1/2) cot (2x - 3π)

Graph each function over a two-period interval.

y = 1 - 2 cot [2(x + π/2)]