Question

lim (x ->pi) cos 3x

Answer 1

do you need a proof using the \(\epsilon, \delta\) criteria? If not, just plugin \(x=\pi\) and see what happens.

Answer 2

i dont understand the first thing you said so idk

Answer 3

so I guess you just need to plugin \(x= \pi\) and obtain \(\cos (3 \pi )=?\)

Answer 4

ill try that

Answer 5

thanks for trying