is called a tangent function.
The function is an odd function, since
The tangent function is periodic with period , since
The lines and
are the vertical asymptotes of , since
Recall that ``
`` approaches from the left,''
`` approaches from the right.''
is the vertical asymptote for ,
since it is periodic with period .
for every interger
Domain and range.
Department of Mathematics
Last modified: 2005-09-29