Question

Which function does not have an asymptote ?

Answer 1

`y=\cos(x)`

Explanation:

The function
`y=secx=(1)/(cosx)`.

There is a vertical asymptote at
`cosx=0`

The function
`y=cotx=(cosx)/(sinx)`.

There is a vertical asymptote at
`sinx=0`

The function
`y=cscx=(1)/(sinx)`.

There is a vertical asymptote at
`sinx=0`

The function
`y=cosx`.

has no asymptote