Possible Duplicate:
Proving $\lim_{\theta \to 0}{\frac{\sin \theta}{\theta}}=1$ using $\frac{1}{2}r^2(\theta-\sin \theta)$
How can one prove that $$\lim_{\theta \to 0} \frac{\sin\theta}{\theta}=1$$
$\sin(0) = 0$
Possible Duplicate:
Proving $\lim_{\theta \to 0}{\frac{\sin \theta}{\theta}}=1$ using $\frac{1}{2}r^2(\theta-\sin \theta)$
How can one prove that $$\lim_{\theta \to 0} \frac{\sin\theta}{\theta}=1$$
$\sin(0) = 0$