El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$\sin{\left(3 - x \right)} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 3$$
$$x_{2} = 3 + \pi$$
Solución numérica$$x_{1} = 100.389372261284$$
$$x_{2} = 24.9911485751286$$
$$x_{3} = 37.5575191894877$$
$$x_{4} = 78.398223686155$$
$$x_{5} = 46.9822971502571$$
$$x_{6} = 56.4070751110265$$
$$x_{7} = 81.5398163397448$$
$$x_{8} = -88.106186954104$$
$$x_{9} = 43.8407044966673$$
$$x_{10} = -50.4070751110265$$
$$x_{11} = -18.9911485751286$$
$$x_{12} = -47.2654824574367$$
$$x_{13} = -62.9734457253857$$
$$x_{14} = -78.6814089933346$$
$$x_{15} = 72.1150383789755$$
$$x_{16} = 9.28318530717959$$
$$x_{17} = 65.8318530717959$$
$$x_{18} = -28.4159265358979$$
$$x_{19} = -6.42477796076938$$
$$x_{20} = -40.9822971502571$$
$$x_{21} = -549.920307031804$$
$$x_{22} = -56.6902604182061$$
$$x_{23} = 31.2743338823081$$
$$x_{24} = -59.8318530717959$$
$$x_{25} = -0.141592653589793$$
$$x_{26} = -22.1327412287183$$
$$x_{27} = -91.2477796076938$$
$$x_{28} = -122.663706143592$$
$$x_{29} = 6.14159265358979$$
$$x_{30} = 18.707963267949$$
$$x_{31} = -100.672557568463$$
$$x_{32} = 62.6902604182061$$
$$x_{33} = 3$$
$$x_{34} = -3.28318530717959$$
$$x_{35} = -37.8407044966673$$
$$x_{36} = 75.2566310325652$$
$$x_{37} = -66.1150383789755$$
$$x_{38} = 84.6814089933346$$
$$x_{39} = -69.2566310325652$$
$$x_{40} = 59.5486677646163$$
$$x_{41} = 1231.36272755361$$
$$x_{42} = -15.8495559215388$$
$$x_{43} = -44.1238898038469$$
$$x_{44} = 94.106186954104$$
$$x_{45} = 68.9734457253857$$
$$x_{46} = -12.707963267949$$
$$x_{47} = 21.8495559215388$$
$$x_{48} = -113.238928182822$$
$$x_{49} = -31.5575191894877$$
$$x_{50} = -84.9645943005142$$
$$x_{51} = -34.6991118430775$$
$$x_{52} = 40.6991118430775$$
$$x_{53} = -53.5486677646163$$
$$x_{54} = -75.5398163397448$$
$$x_{55} = -94.3893722612836$$
$$x_{56} = -9.56637061435917$$
$$x_{57} = 90.9645943005142$$
$$x_{58} = -81.8230016469244$$
$$x_{59} = -72.398223686155$$
$$x_{60} = 87.8230016469244$$
$$x_{61} = 34.4159265358979$$
$$x_{62} = 28.1327412287183$$
$$x_{63} = 97.2477796076938$$
$$x_{64} = 50.1238898038469$$
$$x_{65} = 53.2654824574367$$
$$x_{66} = -25.2743338823081$$
$$x_{67} = 15.5663706143592$$
$$x_{68} = -97.5309649148734$$
$$x_{69} = 12.4247779607694$$