Найду корень уравнения: cos(x+pi)=0
с изменением знака при 0
Разделим обе части ур-ния на -1
Данное ур-ние не имеет решений
сумма
pi 3*pi -- + ---- 2 2
=
2*pi
произведение
pi 3*pi --*---- 2 2
=
2 3*pi ----- 4
x1 = 14.1371669411541
x2 = 20.4203522483337
x3 = 89.5353906273091
x4 = 98.9601685880785
x5 = 80.1106126665397
x6 = -2266.65909956504
x7 = -98.9601685880785
x8 = 39.2699081698724
x9 = 26.7035375555132
x10 = 64.4026493985908
x11 = 95.8185759344887
x12 = -20.4203522483337
x13 = 32.9867228626928
x14 = -29.845130209103
x15 = -14.1371669411541
x16 = 10.9955742875643
x17 = -32.9867228626928
x18 = -51.8362787842316
x19 = -76.9690200129499
x20 = 51.8362787842316
x21 = -26.7035375555132
x22 = 73.8274273593601
x23 = 48.6946861306418
x24 = 45.553093477052
x25 = 4.71238898038469
x26 = -10.9955742875643
x27 = 42.4115008234622
x28 = -39.2699081698724
x29 = -61.261056745001
x30 = -1.5707963267949
x31 = -48.6946861306418
x32 = -95.8185759344887
x33 = -83.2522053201295
x34 = 36.1283155162826
x35 = -54.9778714378214
x36 = 83.2522053201295
x37 = -86.3937979737193
x38 = -92.6769832808989
x39 = -73.8274273593601
x40 = -7.85398163397448
x41 = 67.5442420521806
x42 = -67.5442420521806
x43 = -17.2787595947439
x44 = 54.9778714378214
x45 = 1.5707963267949
x46 = 61.261056745001
x47 = -64.4026493985908
x48 = -4.71238898038469
x49 = -58.1194640914112
x50 = -80.1106126665397
x51 = -89.5353906273091
x52 = 58.1194640914112
x53 = -42.4115008234622
x54 = -45.553093477052
x55 = 7.85398163397448
x56 = 29.845130209103
x57 = 86.3937979737193
x58 = -70.6858347057703
x59 = 70.6858347057703
x60 = -168.075206967054
x61 = 23.5619449019235
x62 = 76.9690200129499
x63 = -23.5619449019235
x64 = -36.1283155162826
x65 = 92.6769832808989
x66 = 17.2787595947439
x67 = -387.986692718339