El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$\sin{\left(\frac{x}{2} - 1 \right)} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 2$$
$$x_{2} = 2 + 2 \pi$$
Solución numérica$$x_{1} = 58.5486677646163$$
$$x_{2} = -73.398223686155$$
$$x_{3} = 8.28318530717959$$
$$x_{4} = 71.1150383789755$$
$$x_{5} = -35.6991118430775$$
$$x_{6} = 27.1327412287183$$
$$x_{7} = -92.2477796076938$$
$$x_{8} = -4.28318530717959$$
$$x_{9} = -54.5486677646163$$
$$x_{10} = 45.9822971502571$$
$$x_{11} = -29.4159265358979$$
$$x_{12} = -104.814150222053$$
$$x_{13} = 14.5663706143592$$
$$x_{14} = -41.9822971502571$$
$$x_{15} = 39.6991118430775$$
$$x_{16} = -98.5309649148734$$
$$x_{17} = 64.8318530717959$$
$$x_{18} = 2$$
$$x_{19} = 83.6814089933346$$
$$x_{20} = 96.2477796076938$$
$$x_{21} = 52.2654824574367$$
$$x_{22} = -67.1150383789755$$
$$x_{23} = 89.9645943005142$$
$$x_{24} = -79.6814089933346$$
$$x_{25} = -10.5663706143592$$
$$x_{26} = -60.8318530717959$$
$$x_{27} = -48.2654824574367$$
$$x_{28} = 33.4159265358979$$
$$x_{29} = 20.8495559215388$$
$$x_{30} = -224.194671058465$$
$$x_{31} = 102.530964914873$$
$$x_{32} = -23.1327412287183$$
$$x_{33} = -85.9645943005142$$
$$x_{34} = -16.8495559215388$$
$$x_{35} = 77.398223686155$$