$23\mathrm{.}1-3\mathrm{.}5$

$20$ of $22$

hims q$.$

This q$.$

Use $\underset{x0}{lim}\frac{sinx}{x}=1$ and$/$or $\underset{x0}{lim}\frac{cosx-1}{x}=0$ to evaluate the following limit$.$

$\underset{x0}{lim}\frac{sin2x}{3x}$

Select the correct choice and, if necessary, fill in the answer box to complete your choice.

A$.\underset{x0}{lim}\frac{sin2x}{3x}=($Type an integer or a simplified fraction.$)$

B$.$ The limit is undefined.