Use Taylor series to evaluate the following limits. lim_{xrightarrow0}frac{sec x-cos x-x^2}{x^4} (Hint: text{The Maclaurin series for sec x is }1+frac{x^2}{2}+frac{5x^4}{24}+frac{61x^6}{720}+...)

Use Taylor series to evaluate the following limits.

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Given that:
$\text{Let f(x)}=\underset{x\to 0}{lim}\frac{\mathrm{sec}x-\mathrm{cos}x-{x}^{2}}{{x}^{4}}$
Taylors
Jeffrey Jordon