Evaluate the following limit: `(lim)_(x->0)(x^2+1-cos x)/(xsinx)`

Explanation

To evaluate the limit

\[ \lim_{x \to 0} \frac{x^2 + 1 - \cos x}{x \sin x}, \]

we can start by using Taylor series expansions for \(\cos x\) and \(\sin x\).

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