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## Evaluate the limit of $\frac{1-\cos\left(x\right)}{x^2}$ as $x$ approaches 0

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### Calculus - Evaluating a limit by rationalizing the radical, lim(x tends to 0) (sqrt(x + 1) - 1)/x

$\lim_{x\to\:0}\left(\frac{1-\cos\left(x\right)}{x^2}\right)$