Question

What is Lim x → ∞ cos (x) ?

Answer 1

Answer:

non existent

Step-by-step explanation:

Hello, please consider the following.

$\forall \ n \in \mathbb{N}\\\\cos((2n+1)\pi)=0\\\\cos(2n\pi)=1\\\\\text{So, there is no limit possible for } x \rightarrow +\infty$

Thank you.