El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$\tan^{16}{\left(1 - 3 x \right)} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = \frac{1}{3}$$
Solución numérica$$x_{1} = -76.0792679967512$$
$$x_{2} = -32.0912637318065$$
$$x_{3} = -47.8135511314253$$
$$x_{4} = -43.6770505107542$$
$$x_{5} = -89.7322233072137$$
$$x_{6} = 24.3690285839998$$
$$x_{7} = 46.3632506073453$$
$$x_{8} = 44.2977210775323$$
$$x_{9} = -3.82587889257303$$
$$x_{10} = 79.9432190414569$$
$$x_{11} = -23.75$$
$$x_{12} = -27.957792574402$$
$$x_{13} = 2.37471667686378$$
$$x_{14} = -21.6833031004336$$
$$x_{15} = -65.6708417205173$$
$$x_{16} = 11.8969916928362$$
$$x_{17} = -1.75808194807402$$
$$x_{18} = 82.0105881673962$$
$$x_{19} = 84.0755546710858$$
$$x_{20} = -74.0127057793548$$
$$x_{21} = 64.2225572813667$$
$$x_{22} = -49.9515273359277$$
$$x_{23} = -30.0253901452216$$
$$x_{24} = 68.3573902346463$$
$$x_{25} = 66.2913370549982$$
$$x_{26} = 57.9494450924286$$
$$x_{27} = -87.6646815567166$$
$$x_{28} = 99.874464149706$$
$$x_{29} = -96$$
$$x_{30} = 77.8799574740929$$
$$x_{31} = -93.9390884088158$$
$$x_{32} = 62.1670319730128$$
$$x_{33} = -45.75$$
$$x_{34} = 90.3514544129584$$
$$x_{35} = 18.1695642112076$$
$$x_{36} = -25.8198114507686$$
$$x_{37} = 35.9557012236611$$
$$x_{38} = -54.0852943734327$$
$$x_{39} = 88.2849302250841$$
$$x_{40} = 60.0169385083651$$
$$x_{41} = 55.8855484338069$$
$$x_{42} = -19.6196932081093$$
$$x_{43} = 13.961983345369$$
$$x_{44} = 16.0296068812724$$
$$x_{45} = -52.0190533475429$$
$$x_{46} = -5.96408247460896$$
$$x_{47} = -98.0731899506045$$
$$x_{48} = 86.2161286004915$$
$$x_{49} = 33.8912289912101$$
$$x_{50} = 22.3040784255716$$
$$x_{51} = 38.0232793015688$$
$$x_{52} = 42.2290007794541$$
$$x_{53} = -71.945290865301$$
$$x_{54} = 20.2354555365485$$
$$x_{55} = -69.8072422031394$$
$$x_{56} = -67.7490335084689$$
$$x_{57} = -10.097170392958$$
$$x_{58} = 0.310405090648383$$
$$x_{59} = -91.8008997213908$$
$$x_{60} = -8.03171249714137$$