$$\lim_{x \to 0^-}\left(\frac{- \log{\left(\cos{\left(x \right)} \right)} + \tan^{x}{\left(x \right)}}{\tan^{2}{\left(x \right)}}\right) = \infty$$
Más detalles con x→0 a la izquierda$$\lim_{x \to 0^+}\left(\frac{- \log{\left(\cos{\left(x \right)} \right)} + \tan^{x}{\left(x \right)}}{\tan^{2}{\left(x \right)}}\right) = \infty$$
$$\lim_{x \to \infty}\left(\frac{- \log{\left(\cos{\left(x \right)} \right)} + \tan^{x}{\left(x \right)}}{\tan^{2}{\left(x \right)}}\right)$$
Más detalles con x→oo$$\lim_{x \to 1^-}\left(\frac{- \log{\left(\cos{\left(x \right)} \right)} + \tan^{x}{\left(x \right)}}{\tan^{2}{\left(x \right)}}\right) = - \frac{- \tan{\left(1 \right)} + \log{\left(\cos{\left(1 \right)} \right)}}{\tan^{2}{\left(1 \right)}}$$
Más detalles con x→1 a la izquierda$$\lim_{x \to 1^+}\left(\frac{- \log{\left(\cos{\left(x \right)} \right)} + \tan^{x}{\left(x \right)}}{\tan^{2}{\left(x \right)}}\right) = - \frac{- \tan{\left(1 \right)} + \log{\left(\cos{\left(1 \right)} \right)}}{\tan^{2}{\left(1 \right)}}$$
Más detalles con x→1 a la derecha$$\lim_{x \to -\infty}\left(\frac{- \log{\left(\cos{\left(x \right)} \right)} + \tan^{x}{\left(x \right)}}{\tan^{2}{\left(x \right)}}\right)$$
Más detalles con x→-oo