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