El profesor se sorprenderá mucho al ver tu solución correcta😉
/ / pi\ \ (cos(2*x) + 1)*|tan|x + --| - 1| = 0 \ \ 4 / /
x1 = 12.5663706143592
x2 = 78.5398163397448
x3 = -65.9734457253857
x4 = 36.1283156482827
x5 = 20.4203521195489
x6 = -15.707963267949
x7 = -34.5575191894877
x8 = 95.8185760290273
x9 = -86.3937978583391
x10 = 50.2654824574367
x11 = 81.6814089933346
x12 = -64.402649284015
x13 = -29.8451301188706
x14 = -56.5486677646163
x15 = -100.530964914873
x16 = 86.3937978669239
x17 = 18.8495559215388
x18 = -51.8362787060394
x19 = -73.8274272918299
x20 = 56.5486677646163
x21 = 75.398223686155
x22 = -89.5353907959614
x23 = 15.707963267949
x24 = -59.6902604182061
x25 = 7.85398171844659
x26 = 21.9911485751286
x27 = 6.28318530717959
x28 = 80.1106128274152
x29 = -87.9645943005142
x30 = 9.42477796076938
x31 = 64.4026492846017
x32 = 73.8274274515785
x33 = -28.2743338823081
x34 = -9.42477796076938
x35 = 59.6902604182061
x36 = 28.2743338823081
x37 = -80.1106127207533
x38 = 51.8362788740024
x39 = 31.4159265358979
x40 = 94.2477796076938
x41 = -72.2566310325652
x42 = 14.1371670609089
x43 = 70.6858341949551
x44 = 53.4070751110265
x45 = 37.6991118430775
x46 = 1.57079643775788
x47 = 26.7035369942885
x48 = -50.2654824574367
x49 = -94.2477796076938
x50 = 67.5442421573427
x51 = 23.5619450112257
x52 = -36.1283154376965
x53 = -58.1194640160122
x54 = -37.6991118430775
x55 = -14.1371668595472
x56 = -54.9778714335041
x57 = 48.6946855954462
x58 = -1.57079646320194
x59 = -80.1106125945075
x60 = -42.4115007098807
x61 = -12.5663706143592
x62 = -23.5619450461167
x63 = -81.6814089933346
x64 = 43.9822971502571
x65 = -78.5398163397448
x66 = -95.818575876579
x67 = 97.3893722612836
x68 = 0.0
x69 = -21.9911485751286
x70 = -45.5530936292068
x71 = 100.530964914873
x72 = 34.5575191894877
x73 = 65.9734457253857
x74 = 40.8407044966673
x75 = -67.5442422124841
x76 = -6.28318530717959
x77 = 89.5353907299328
x78 = -7.85398152992085
x79 = -43.9822971502571
x80 = 29.8451302962939
x81 = 45.5530935844297
x82 = 92.6769827929792
x83 = 42.4115007021467
x84 = 72.2566310325652
x85 = -20.4203521359508
x86 = 87.9645943005142
x86 = 87.9645943005142