El gráfico de la función cruce el eje Y con f = 0
o sea hay que resolver la ecuación:
$$\sin{\left(y \right)} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje Y:
Solución analítica$$y_{1} = 0$$
$$y_{2} = \pi$$
Solución numérica$$y_{1} = -18.8495559215388$$
$$y_{2} = -53.4070751110265$$
$$y_{3} = -37.6991118430775$$
$$y_{4} = -59.6902604182061$$
$$y_{5} = -15.707963267949$$
$$y_{6} = -113.097335529233$$
$$y_{7} = -56.5486677646163$$
$$y_{8} = 12.5663706143592$$
$$y_{9} = 3.14159265358979$$
$$y_{10} = -31.4159265358979$$
$$y_{11} = 84.8230016469244$$
$$y_{12} = -81.6814089933346$$
$$y_{13} = 94.2477796076938$$
$$y_{14} = 21.9911485751286$$
$$y_{15} = 0$$
$$y_{16} = -87.9645943005142$$
$$y_{17} = 81.6814089933346$$
$$y_{18} = 40.8407044966673$$
$$y_{19} = -75.398223686155$$
$$y_{20} = -78.5398163397448$$
$$y_{21} = 62.8318530717959$$
$$y_{22} = 100.530964914873$$
$$y_{23} = -21.9911485751286$$
$$y_{24} = 47.1238898038469$$
$$y_{25} = 91.106186954104$$
$$y_{26} = -232.477856365645$$
$$y_{27} = 75.398223686155$$
$$y_{28} = 28.2743338823081$$
$$y_{29} = 34.5575191894877$$
$$y_{30} = 6.28318530717959$$
$$y_{31} = 78.5398163397448$$
$$y_{32} = 72.2566310325652$$
$$y_{33} = -6.28318530717959$$
$$y_{34} = 15.707963267949$$
$$y_{35} = 31.4159265358979$$
$$y_{36} = -47.1238898038469$$
$$y_{37} = 25.1327412287183$$
$$y_{38} = 18.8495559215388$$
$$y_{39} = -94.2477796076938$$
$$y_{40} = -3.14159265358979$$
$$y_{41} = -40.8407044966673$$
$$y_{42} = 56.5486677646163$$
$$y_{43} = -25.1327412287183$$
$$y_{44} = 53.4070751110265$$
$$y_{45} = -28.2743338823081$$
$$y_{46} = -2642.07942166902$$
$$y_{47} = -9.42477796076938$$
$$y_{48} = 87.9645943005142$$
$$y_{49} = -50.2654824574367$$
$$y_{50} = -100.530964914873$$
$$y_{51} = -43.9822971502571$$
$$y_{52} = 50.2654824574367$$
$$y_{53} = -97.3893722612836$$
$$y_{54} = 69.1150383789755$$
$$y_{55} = 59.6902604182061$$
$$y_{56} = 97.3893722612836$$
$$y_{57} = -62.8318530717959$$
$$y_{58} = -72.2566310325652$$
$$y_{59} = -91.106186954104$$
$$y_{60} = -12.5663706143592$$
$$y_{61} = -69.1150383789755$$
$$y_{62} = 37.6991118430775$$
$$y_{63} = 9.42477796076938$$
$$y_{64} = 65.9734457253857$$
$$y_{65} = -65.9734457253857$$
$$y_{66} = -267.035375555132$$
$$y_{67} = -84.8230016469244$$
$$y_{68} = -34.5575191894877$$
$$y_{69} = 43.9822971502571$$