El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$e^{- 2 x} \sin^{2}{\left(x \right)} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 0$$
$$x_{2} = \pi$$
Solución numérica$$x_{1} = 15.7079591150118$$
$$x_{2} = 21.9911485846823$$
$$x_{3} = 6.28318336912599$$
$$x_{4} = 59.6902188721358$$
$$x_{5} = 40.8407036430526$$
$$x_{6} = 37.6991077264704$$
$$x_{7} = 18.8495550464631$$
$$x_{8} = 43.982292262834$$
$$x_{9} = 78.539816047487$$
$$x_{10} = 81.6814049504956$$
$$x_{11} = 97.3893695118185$$
$$x_{12} = 12.5663702846886$$
$$x_{13} = 81.6814089969446$$
$$x_{14} = 25.1327395038802$$
$$x_{15} = 103.672510574054$$
$$x_{16} = 6.28318528201839$$
$$x_{17} = 50.265480031757$$
$$x_{18} = 47.1238881103459$$
$$x_{19} = 59.6902563383069$$
$$x_{20} = 34.5575188725238$$
$$x_{21} = 84.8230008353279$$
$$x_{22} = 43.9822971676107$$
$$x_{23} = 53.4070722841639$$
$$x_{24} = 15.7079632968674$$
$$x_{25} = 91.106185322378$$
$$x_{26} = 62.8318522393405$$
$$x_{27} = 69.1150367165124$$
$$x_{28} = 28.2743316936971$$
$$x_{29} = 37.6991118651475$$
$$x_{30} = 87.9645894220304$$
$$x_{31} = 31.4159236701167$$
$$x_{32} = 65.9734457492379$$
$$x_{33} = 100.53096463462$$
$$x_{34} = 0$$
$$x_{35} = 87.964594329865$$
$$x_{36} = 28.2743338639748$$
$$x_{37} = 3.14159089711733$$
$$x_{38} = 9.42477505593456$$
$$x_{39} = 37.6990954463624$$
$$x_{40} = 21.9911436865304$$
$$x_{41} = 56.5486674601224$$
$$x_{42} = 50.2654824458391$$
$$x_{43} = 94.2477796093414$$
$$x_{44} = 94.2477767511829$$
$$x_{45} = 15.7079594843761$$
$$x_{46} = 59.6902604319688$$
$$x_{47} = 65.9734408413743$$
$$x_{48} = 72.2566310276233$$
$$x_{49} = 72.2566283841577$$
$$x_{50} = 81.6812543653379$$
$$x_{51} = 75.3982208980673$$