# For what values of x, if any, does #f(x) = 1/((x^2-4)cos(pi/2+(7pi)/x) # have vertical asymptotes?

##### 1 Answer

Feb 3, 2017

#### Explanation:

The vertical asymptotes are given by

zero of

These are

Note that k = 0 sends

The ad hoc graph is not to scale.

graph{-1/((x^2-4)sin(21.991/x) [-3.51, 3.47, -17, 17]}