El profesor se sorprenderá mucho al ver tu solución correcta😉
/pi \ cos(x) - sin|-- - x| + cos(pi + x) = 0 \2 /
cambiando el signo de 0
Dividamos ambos miembros de la ecuación en -1
pi x1 = -- 2
3*pi x2 = ---- 2
x2 = 3*pi/2
suma
pi 3*pi -- + ---- 2 2
=
2*pi
producto
pi 3*pi --*---- 2 2
=
2 3*pi ----- 4
3*pi^2/4
x1 = 4.71238898038469
x2 = 17.2787595947439
x3 = -2266.65909956504
x4 = -89.5353906273091
x5 = 64.4026493985908
x6 = 70.6858347057703
x7 = 36.1283155162826
x8 = -98.9601685880785
x9 = 48.6946861306418
x10 = -58.1194640914112
x11 = 7.85398163397448
x12 = 39.2699081698724
x13 = -95.8185759344887
x14 = -1.5707963267949
x15 = -92.6769832808989
x16 = -23.5619449019235
x17 = 23.5619449019235
x18 = -387.986692718339
x19 = 61.261056745001
x20 = 29.845130209103
x21 = -32.9867228626928
x22 = -51.8362787842316
x23 = -80.1106126665397
x24 = -83.2522053201295
x25 = 67.5442420521806
x26 = 98.9601685880785
x27 = 92.6769832808989
x28 = -39.2699081698724
x29 = 86.3937979737193
x30 = 45.553093477052
x31 = -67.5442420521806
x32 = 51.8362787842316
x33 = 76.9690200129499
x34 = -26.7035375555132
x35 = -4.71238898038469
x36 = 95.8185759344887
x37 = -86.3937979737193
x38 = -10.9955742875643
x39 = 83.2522053201295
x40 = -7.85398163397448
x41 = -36.1283155162826
x42 = -17.2787595947439
x43 = -14.1371669411541
x44 = 20.4203522483337
x45 = 54.9778714378214
x46 = -168.075206967054
x47 = -70.6858347057703
x48 = -48.6946861306418
x49 = -54.9778714378214
x50 = -45.553093477052
x51 = 14.1371669411541
x52 = -73.8274273593601
x53 = 26.7035375555132
x54 = 89.5353906273091
x55 = 10.9955742875643
x56 = 80.1106126665397
x57 = 73.8274273593601
x58 = 58.1194640914112
x59 = -61.261056745001
x60 = 1.5707963267949
x61 = -20.4203522483337
x62 = -42.4115008234622
x63 = 32.9867228626928
x64 = 42.4115008234622
x65 = -76.9690200129499
x66 = -64.4026493985908
x67 = -29.845130209103
x67 = -29.845130209103