El gráfico de la función cruce el eje Z con f = 0
o sea hay que resolver la ecuación:
$$\sin^{2}{\left(z - 1 \right)} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje Z:
Solución analítica$$z_{1} = 1$$
$$z_{2} = 1 + \pi$$
Solución numérica$$z_{1} = -74.3982234765515$$
$$z_{2} = 44.9822969010573$$
$$z_{3} = 7.28318528533671$$
$$z_{4} = -24.1327411292434$$
$$z_{5} = 73.2566309544896$$
$$z_{6} = -8.42477774336428$$
$$z_{7} = -33.5575192986956$$
$$z_{8} = -86.9645945436711$$
$$z_{9} = 10.424777860002$$
$$z_{10} = -80.681408910892$$
$$z_{11} = 88.9645940506399$$
$$z_{12} = -58.6902603656641$$
$$z_{13} = -39.8407043935162$$
$$z_{14} = -5.28318552032638$$
$$z_{15} = 7.28318556299708$$
$$z_{16} = -11.5663707193743$$
$$z_{17} = 70.1150387632651$$
$$z_{18} = 79.5398165666147$$
$$z_{19} = 1.00000008989466$$
$$z_{20} = -58.6902601613349$$
$$z_{21} = -27.2743339463623$$
$$z_{22} = -99.5309650363411$$
$$z_{23} = -20.9911484706448$$
$$z_{24} = -2.1415925493301$$
$$z_{25} = 4.1415928024571$$
$$z_{26} = 57.5486679892229$$
$$z_{27} = -46.1238897092746$$
$$z_{28} = 73.2566312860504$$
$$z_{29} = -14.7079630116455$$
$$z_{30} = -118.380521214309$$
$$z_{31} = -42.9822970324124$$
$$z_{32} = -61.8318529852173$$
$$z_{33} = 29.2743338399742$$
$$z_{34} = 85.8230017693038$$
$$z_{35} = -52.407074898757$$
$$z_{36} = -86.964594159178$$
$$z_{37} = -49.2654821047327$$
$$z_{38} = -42.9822973961636$$
$$z_{39} = -90.1061868697346$$
$$z_{40} = -14.7079632672982$$
$$z_{41} = 98.389372178087$$
$$z_{42} = 97745.3722312206$$
$$z_{43} = 76.3982235984748$$
$$z_{44} = -77.5398164571782$$
$$z_{45} = -64.9734455952915$$
$$z_{46} = -17.8495557981217$$
$$z_{47} = -49.2654826753886$$
$$z_{48} = 16.7079630573043$$
$$z_{49} = -71.2566312528174$$
$$z_{50} = 95.247779860089$$
$$z_{51} = -30.4159263210277$$
$$z_{52} = -96.3893720544106$$
$$z_{53} = -36.699111817712$$
$$z_{54} = 19.8495560304743$$
$$z_{55} = 82.6814087905806$$
$$z_{56} = 0.999999752102722$$
$$z_{57} = 29.2743341374979$$
$$z_{58} = 22.9911486490753$$
$$z_{59} = 66.9734457627567$$
$$z_{60} = -83.8230015743177$$
$$z_{61} = -64.9734459700171$$
$$z_{62} = 13.5663708342325$$
$$z_{63} = -27.2743340978911$$
$$z_{64} = 41.8407046101773$$
$$z_{65} = 26.1327414061396$$
$$z_{66} = -55.5486678779633$$
$$z_{67} = 54.4070750189247$$
$$z_{68} = 63.8318531897853$$
$$z_{69} = -93.2477798301763$$
$$z_{70} = -36.6991115864245$$
$$z_{71} = 88.964594718588$$
$$z_{72} = -93.2477796535486$$
$$z_{73} = -1114.26539293251$$
$$z_{74} = 38.6991116349999$$
$$z_{75} = 66.9734454757735$$
$$z_{76} = 32.4159264394344$$
$$z_{77} = 51.2654827118511$$
$$z_{78} = 44.9822972067506$$
$$z_{79} = -80.6814087363722$$
$$z_{80} = 60.690260212759$$
$$z_{81} = 35.5575194117619$$
$$z_{82} = 88.9645943169109$$
$$z_{83} = 95.2477795140332$$
$$z_{84} = -20.9911488221206$$
$$z_{85} = 51.2654823964173$$
$$z_{86} = 19.8495558664476$$
$$z_{87} = 51.265482350792$$
$$z_{88} = 92.1061875923409$$
$$z_{89} = 22.9911483264979$$
$$z_{90} = -77.5398172101597$$
$$z_{91} = -68.1150382894341$$