Propiedades de los Límites Trigonométricos

$$\lim_{x \to 0} \frac {\sin x}{x} = 1$$

$$\lim_{x \to 0} \frac {x}{\sin x} = 1$$

$$\lim_{x \to 0} \sin x = 0$$

$$\lim_{x \to 0} \frac {\sin kx}{kx} = 1$$

$$\lim_{x \to 0} \cos x = 1$$

$$\lim_{x \to 0} \frac {1 - \cos x}{x} = 0$$

$$\lim_{x \to 0} \frac {1 - \cos x}{x^2} = \frac {1}{2}$$

$$\lim_{x \to 0} \frac {\tan x}{x} = 1$$

$$\lim_{x \to 0} \frac {x}{\tan x} = 1$$

$$\lim_{x \to 0} \frac {\tan kx}{kx} = 1$$