El profesor se sorprenderá mucho al ver tu solución correcta😉
2 4*cos (x)*sin(x) - cos(x) = 0
-pi x1 = ---- 2
pi x2 = -- 2
/ ___________\ | ___ / ___ | x3 = 2*atan\-2 + \/ 3 + 2*\/ 2 - \/ 3 /
/ ___________\ | ___ / ___ | x4 = -2*atan\2 - \/ 3 + 2*\/ 2 - \/ 3 /
/ ___________\ | ___ / ___ | x5 = -2*atan\2 + \/ 3 + 2*\/ 2 + \/ 3 /
/ ___________\ | ___ / ___ | x6 = -2*atan\2 + \/ 3 - 2*\/ 2 + \/ 3 /
x6 = -2*atan(-2*sqrt(sqrt(3) + 2) + sqrt(3) + 2)
suma
/ ___________\ / ___________\ / ___________\ / ___________\ pi pi | ___ / ___ | | ___ / ___ | | ___ / ___ | | ___ / ___ | - -- + -- + 2*atan\-2 + \/ 3 + 2*\/ 2 - \/ 3 / - 2*atan\2 - \/ 3 + 2*\/ 2 - \/ 3 / - 2*atan\2 + \/ 3 + 2*\/ 2 + \/ 3 / - 2*atan\2 + \/ 3 - 2*\/ 2 + \/ 3 / 2 2
=
/ ___________\ / ___________\ / ___________\ / ___________\ | ___ / ___ | | ___ / ___ | | ___ / ___ | | ___ / ___ | - 2*atan\2 + \/ 3 - 2*\/ 2 + \/ 3 / - 2*atan\2 + \/ 3 + 2*\/ 2 + \/ 3 / - 2*atan\2 - \/ 3 + 2*\/ 2 - \/ 3 / + 2*atan\-2 + \/ 3 + 2*\/ 2 - \/ 3 /
producto
/ ___________\ / ___________\ / ___________\ / ___________\ -pi pi | ___ / ___ | | ___ / ___ | | ___ / ___ | | ___ / ___ | ----*--*2*atan\-2 + \/ 3 + 2*\/ 2 - \/ 3 /*-2*atan\2 - \/ 3 + 2*\/ 2 - \/ 3 /*-2*atan\2 + \/ 3 + 2*\/ 2 + \/ 3 /*-2*atan\2 + \/ 3 - 2*\/ 2 + \/ 3 / 2 2
=
/ ___________\ / ___________\ / ___________\ / ___________\ 2 | ___ / ___ | | ___ / ___ | | ___ / ___ | | ___ / ___ | 4*pi *atan\-2 + \/ 3 + 2*\/ 2 - \/ 3 /*atan\2 + \/ 3 - 2*\/ 2 + \/ 3 /*atan\2 + \/ 3 + 2*\/ 2 + \/ 3 /*atan\2 - \/ 3 + 2*\/ 2 - \/ 3 /
4*pi^2*atan(-2 + sqrt(3) + 2*sqrt(2 - sqrt(3)))*atan(2 + sqrt(3) - 2*sqrt(2 + sqrt(3)))*atan(2 + sqrt(3) + 2*sqrt(2 + sqrt(3)))*atan(2 - sqrt(3) + 2*sqrt(2 - sqrt(3)))
x1 = 97.6511716490827
x2 = -7.85398163397448
x3 = 1.5707963267949
x4 = -64.4026493985908
x5 = -1.83259571459405
x6 = -58.1194640914112
x7 = -20.4203522483337
x8 = 0.261799387799149
x9 = -45.553093477052
x10 = -29.845130209103
x11 = 15.9697626557481
x12 = -74.0892267471593
x13 = -61.261056745001
x14 = -102.363560629467
x15 = -52.0980781720307
x16 = 72.5184304203644
x17 = 95.8185759344887
x18 = -67.8060414399797
x19 = 81.9432083811338
x20 = 58.1194640914112
x21 = 32.7249234748937
x22 = -73.8274273593601
x23 = 7.85398163397448
x24 = 6.54498469497874
x25 = 44.2440965380563
x26 = 4.45058959258554
x27 = -83.5140047079287
x28 = 50.5272818452358
x29 = -81.4196096055355
x30 = 88.2263936883134
x31 = 89.5353906273091
x32 = 23.5619449019235
x33 = -17.540558982543
x34 = 26.4417381677141
x35 = -48.9564855184409
x36 = -80.3724120543389
x37 = -59.4284610304069
x38 = 42.1497014356631
x39 = 28.5361332701073
x40 = -42.4115008234622
x41 = 94.5095789954929
x42 = 101.839961853869
x43 = -26.9653369433124
x44 = 79.8488132787406
x45 = -65.7116463375865
x46 = 39.2699081698724
x47 = 17.0169602069447
x48 = -14.1371669411541
x49 = 59.9520598060052
x50 = 20.1585528605345
x51 = 29.845130209103
x52 = -28.012534494509
x53 = -23.8237442897226
x54 = -86.3937979737193
x55 = 80.1106126665397
x56 = 35.8665161284835
x57 = -4.97418836818384
x58 = 56.8104671524154
x59 = -95.8185759344887
x60 = -36.1283155162826
x61 = 51.8362787842316
x62 = -21.7293491873294
x63 = -89.7971900151083
x64 = -87.7027949127151
x65 = -71.9948316447661
x66 = 57.857664703612
x67 = -15.4461638801498
x68 = -61.5228561328001
x69 = -39.5317075576716
x70 = 37.9609112308767
x71 = 45.553093477052
x72 = -43.720497762458
x73 = -45.8148928648512
x74 = 48.4328867428426
x75 = -51.8362787842316
x76 = -96.0803753222878
x77 = -6.02138591938044
x78 = 36.1283155162826
x79 = -92.9387826686981
x80 = 66.2352451131848
x81 = -37.4373124552784
x82 = 86.1319985859202
x83 = -50.0036830696375
x84 = 73.8274273593601
x85 = 14.1371669411541
x86 = -70.9476340935695
x87 = 64.1408500107916
x88 = 22.2529479629277
x89 = 70.4240353179712
x90 = -80.1106126665397
x91 = 92.4151838930998
x92 = -93.9859802198946
x93 = 67.5442420521806
x93 = 67.5442420521806