\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
The graph of the function \(f(x) = \dfrac{\cos(x)-1}{x}\) is shown below.
Evaluate graphically:
\(\displaystyle\lim_{x \to 0} \dfrac{\cos(x)-1}{x}=\)