`f(x)= |{:(cos x,,x,,1),(2sin x ,,x^(2),,2x),(tanx ,, x,,1):}|` then find the value of
`lim_(xto 0) (f(x))/(x)`

Explanation

To solve the problem, we need to evaluate the limit:

\[ \lim_{x \to 0} \frac{f(x)}{x} \]

where

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