$$\lim_{x \to \infty}\left(\frac{\sin{\left(\pi x \right)} \left(- 2 \operatorname{atan}{\left(3 x \right)}\right) + \tan{\left(x \right)}}{\sin{\left(3 x \right)} \tan{\left(2 x \right)} - \operatorname{asin}{\left(x \right)} \operatorname{atan}{\left(4 x \right)}}\right)$$
$$\lim_{x \to 0^-}\left(\frac{\sin{\left(\pi x \right)} \left(- 2 \operatorname{atan}{\left(3 x \right)}\right) + \tan{\left(x \right)}}{\sin{\left(3 x \right)} \tan{\left(2 x \right)} - \operatorname{asin}{\left(x \right)} \operatorname{atan}{\left(4 x \right)}}\right) = -\infty$$
Más detalles con x→0 a la izquierda$$\lim_{x \to 0^+}\left(\frac{\sin{\left(\pi x \right)} \left(- 2 \operatorname{atan}{\left(3 x \right)}\right) + \tan{\left(x \right)}}{\sin{\left(3 x \right)} \tan{\left(2 x \right)} - \operatorname{asin}{\left(x \right)} \operatorname{atan}{\left(4 x \right)}}\right) = \infty$$
Más detalles con x→0 a la derecha$$\lim_{x \to 1^-}\left(\frac{\sin{\left(\pi x \right)} \left(- 2 \operatorname{atan}{\left(3 x \right)}\right) + \tan{\left(x \right)}}{\sin{\left(3 x \right)} \tan{\left(2 x \right)} - \operatorname{asin}{\left(x \right)} \operatorname{atan}{\left(4 x \right)}}\right) = \frac{\tan{\left(1 \right)}}{- \frac{\pi \operatorname{atan}{\left(4 \right)}}{2} + \sin{\left(3 \right)} \tan{\left(2 \right)}}$$
Más detalles con x→1 a la izquierda$$\lim_{x \to 1^+}\left(\frac{\sin{\left(\pi x \right)} \left(- 2 \operatorname{atan}{\left(3 x \right)}\right) + \tan{\left(x \right)}}{\sin{\left(3 x \right)} \tan{\left(2 x \right)} - \operatorname{asin}{\left(x \right)} \operatorname{atan}{\left(4 x \right)}}\right) = \frac{\tan{\left(1 \right)}}{- \frac{\pi \operatorname{atan}{\left(4 \right)}}{2} + \sin{\left(3 \right)} \tan{\left(2 \right)}}$$
Más detalles con x→1 a la derecha$$\lim_{x \to -\infty}\left(\frac{\sin{\left(\pi x \right)} \left(- 2 \operatorname{atan}{\left(3 x \right)}\right) + \tan{\left(x \right)}}{\sin{\left(3 x \right)} \tan{\left(2 x \right)} - \operatorname{asin}{\left(x \right)} \operatorname{atan}{\left(4 x \right)}}\right)$$
Más detalles con x→-oo