Calculus Examples

$lim_{x \to - \infty} \frac{\cos (π x)}{x}$

Step 1

Since $\frac{1}{x} \leq \frac{\cos (π x)}{x} \leq \frac{- 1}{x}$ and $lim_{x \to - \infty} \frac{1}{x} = lim_{x \to - \infty} \frac{- 1}{x} = 0$ , apply the squeeze theorem.

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