El profesor se sorprenderá mucho al ver tu solución correcta😉
/ 2*pi\ /7*pi \ /4*pi \ tan|3*x + ----| + tan|---- - x| - 2*sin|---- + 2*x| = 0 \ 3 / \ 9 / \ 9 /
x1 = 84.1248699461267
x2 = -91.8043186549017
x3 = -63.5299847725936
x4 = -82.0420962713393
x5 = 90.4080552533063
x6 = -69.8131700797732
x7 = 87.6039070225095
x8 = -13.2645023151569
x9 = -38.3972435438752
x10 = 33.521943065897
x11 = -41.8762806202581
x12 = 74.3626475625643
x13 = 24.4346095279206
x14 = 52.3714989874357
x15 = -66.6715774261834
x16 = -97.7500595392883
x17 = -101.566541038464
x18 = 33.85938748869
x19 = 18.151424220741
x20 = -53.7677623890312
x21 = -38.0597991210822
x22 = -1781.98116628621
x23 = -16.7435393915397
x24 = -60.7258365417968
x25 = -22.6892802759263
x26 = -7.31876143077032
x27 = 65.2753140245879
x28 = -89.000170424105
x29 = 58.9921287174083
x30 = -3.83972435438753
x31 = -31.7766138139027
x32 = 12.2056833363544
x33 = 52.7089434102288
x34 = -7524.81253704835
x35 = -35.2556508902855
x36 = 34.196831911483
x37 = 62.1337213709981
x38 = 20.9555724515378
x39 = 171.752019823848
x40 = 93.5496479068961
x41 = -10.1229096615671
x42 = 71.2210549089745
x43 = 99.8328332140756
x44 = -258296.162924546
x45 = -60.0509476962108
x46 = -47.8220215046446
x47 = 97.0286849832789
x48 = -25.8308729295161
x49 = -182.910505609006
x50 = 77.8416846389471
x51 = -16.4060949687467
x52 = -85.5211333477222
x53 = 49.567350756639
x54 = -57.584243888207
x55 = 42.9467210266664
x56 = -41.538836197465
x57 = 90.7454996760993
x58 = -66.3341330033904
x59 = 93.2122034841031
x60 = -9.78546523877411
x61 = -11593.1750234471
x62 = -44.6804288510548
x63 = 68.0794622553847
x64 = 8.72664625997165
x65 = -75.7589109641598
x66 = -16.0686505459537
x67 = 40.1425727958696
x68 = 5.92249802917486
x69 = -126.361837844389
x70 = 429.700061841004
x71 = 30.7177948351002
x72 = 46.4257581030492
x73 = -177937.364438373
x74 = 74.7000919853573
x75 = 2.78090537558506
x76 = -50.9636141582344
x77 = 96.3537961376929
x78 = 46.7632025258422
x79 = 56.1879804866116
x79 = 56.1879804866116