С верным решением ты станешь самым любимым в группе❤️😊
2 3*cos(x) - cos (x) = 0
pi x_1 = -- 2
3*pi x_2 = ---- 2
x_3 = 2*pi - I*im(acos(3))
x_4 = I*im(acos(3))
сумма
pi 3*pi -- + ---- + 2*pi - I*im(acos(3)) + I*im(acos(3)) 2 2
=
4*pi
произведение
pi 3*pi -- * ---- * 2*pi - I*im(acos(3)) * I*im(acos(3)) 2 2
=
2 3*pi *(2*pi*I + im(acos(3)))*im(acos(3)) ---------------------------------------- 4
x1 = 23.5619449019235
x2 = -10.9955742875643
x3 = -45.553093477052
x4 = -1415.2874904422
x5 = -58.1194640914112
x6 = -4.71238898038469
x7 = 95.8185759344887
x8 = 48.6946861306418
x9 = -23.5619449019235
x10 = -76.9690200129499
x11 = -54.9778714378214
x12 = -86.3937979737193
x13 = -5467.94201357304
x14 = -73.8274273593601
x15 = 7.85398163397448
x16 = 92.6769832808989
x17 = 98.9601685880785
x18 = 83.2522053201295
x19 = 221.48228207808
x20 = -17.2787595947439
x21 = 64.4026493985908
x22 = 45.553093477052
x23 = 29.845130209103
x24 = 61.261056745001
x25 = 36.1283155162826
x26 = 73.8274273593601
x27 = 4.71238898038469
x28 = -51.8362787842316
x29 = -20.4203522483337
x30 = 58.1194640914112
x31 = -26.7035375555132
x32 = -32.9867228626928
x33 = 76.9690200129499
x34 = 80.1106126665397
x35 = -1.5707963267949
x36 = -92.6769832808989
x37 = -39.2699081698724
x38 = 51.8362787842316
x39 = -89.5353906273091
x40 = -95.8185759344887
x41 = -67.5442420521806
x42 = 42.4115008234622
x43 = 86.3937979737193
x44 = 1.5707963267949
x45 = -36.1283155162826
x46 = 20.4203522483337
x47 = 89.5353906273091
x48 = -29.845130209103
x49 = -80.1106126665397
x50 = 39.2699081698724
x51 = 10.9955742875643
x52 = -42.4115008234622
x53 = -98.9601685880785
x54 = -83.2522053201295
x55 = -61.261056745001
x56 = -661.305253580651
x57 = 26.7035375555132
x58 = -70.6858347057703
x59 = -7.85398163397448
x60 = 70.6858347057703
x61 = -48.6946861306418
x62 = 139.800873084746
x63 = 54.9778714378214
x64 = -64.4026493985908
x65 = -14.1371669411541
x66 = -17836.3922907561
x67 = 32.9867228626928
x68 = 67.5442420521806
x69 = 14.1371669411541
x70 = 17.2787595947439
x70 = 17.2787595947439