El profesor se sorprenderá mucho al ver tu solución correcta😉
(1 + x*sin(x))*(x - sin(x)) - x*cos(x)*cos(x) = 0
x1 = 12.5663706143592
x2 = 53.4070751110265
x3 = -97.3893722612836
x4 = 37.6991118430775
x5 = 97.3893722612836
x6 = 78.5398163397448
x7 = -59.6902604182061
x8 = -65.9734457253857
x9 = 0.0
x10 = -31.4159265358979
x11 = -50.2654824574367
x12 = -21.9911485751286
x13 = 6.28318530717959
x14 = -34.5575191894877
x15 = -94.2477796076938
x16 = -69.1150383789755
x17 = -15.707963267949
x18 = 21.9911485751286
x19 = 69.1150383789755
x20 = 62.8318530717959
x21 = 50.2654824574367
x22 = 81.6814089933346
x23 = 100.530964914873
x24 = -40.8407044966673
x25 = 9.42477796076938
x26 = -87.9645943005142
x27 = 34.5575191894877
x28 = 65.9734457253857
x29 = -62.8318530717959
x30 = -18.8495559215388
x31 = -28.2743338823081
x32 = -56.5486677646163
x33 = -53.4070751110265
x34 = -37.6991118430775
x35 = -25.1327412287183
x36 = -100.530964914873
x37 = -9.42477796076938
x38 = 40.8407044966673
x39 = -91.106186954104
x40 = -75.398223686155
x41 = 18.8495559215388
x42 = 87.9645943005142
x43 = 59.6902604182061
x44 = -6.28318530717959
x45 = 25.1327412287183
x46 = 47.1238898038469
x47 = 91.106186954104
x48 = 28.2743338823081
x49 = 56.5486677646163
x50 = -43.9822971502571
x51 = -47.1238898038469
x52 = -3.14159265358979
x53 = 31.4159265358979
x54 = 94.2477796076938
x55 = -106.814150222053
x56 = -12.5663706143592
x57 = 75.398223686155
x58 = -78.5398163397448
x59 = 1.0
x60 = -72.2566310325652
x61 = -84.8230016469244
x62 = 84.8230016469244
x63 = 72.2566310325652
x64 = -81.6814089933346
x65 = 43.9822971502571
x66 = -1.0
x67 = 15.707963267949
x68 = 3.14159265358979
x68 = 3.14159265358979