Найду корень уравнения: 2sin4x-1=0
Перенесём -1 в правую часть ур-ния
с изменением знака при -1
Разделим обе части ур-ния на 2
pi x1 = -- 24
5*pi x2 = ---- 24
сумма
pi 5*pi 0 + -- + ---- 24 24
=
pi -- 4
произведение
pi 5*pi 1*--*---- 24 24
=
2 5*pi ----- 576
x1 = -4.05789051088682
x2 = 60.3447588877039
x3 = -33.9030207199899
x4 = -41.7570023539643
x5 = -65.8425460314861
x6 = 68.1987405216784
x7 = -35.997415822383
x8 = 69.7695368484733
x9 = 28.4052335762077
x10 = -85.7392995042214
x11 = -7.72308194007491
x12 = -70.0313362362725
x13 = 88.0954939944138
x14 = 90.189889096807
x15 = 86.5246976676189
x16 = -21.860248881229
x17 = 61.9155552144988
x18 = -14.0062672472545
x19 = 98.0438707307815
x20 = -77.885317870247
x21 = -92.022484811401
x22 = -26.0490390860154
x23 = 73.9583270532597
x24 = -73.6965276654606
x25 = -29.7142305152035
x26 = 24.2164433714213
x27 = 58.2503637853107
x28 = 44.1131968441567
x29 = -1191.57991356783
x30 = -62.177354602298
x31 = 72.3875307264648
x32 = -55.8941692951184
x33 = -11.9118721448613
x34 = -63.7481509290929
x35 = -15.5770635740494
x36 = 95.9494756283883
x37 = -51.705379090332
x38 = -87.8336946066146
x39 = 91.7606854236019
x40 = -95.1640774649908
x41 = -98.8292688941789
x42 = 0.130899693899575
x43 = 7.98488132787406
x44 = -84.1685031774265
x45 = -0.916297857297023
x46 = -57.9885643975116
x47 = -48.0401876611439
x48 = 14.2680666350536
x49 = 46.2075919465499
x50 = -37.0446133735796
x51 = -42.2806011295626
x52 = -95.6876762405891
x53 = 36.2592152101822
x54 = 22.1220482690281
x55 = -18.1950574520409
x56 = -37.5682121491779
x57 = -73.1729288898623
x58 = 10.0792764302673
x59 = -21.3366501056307
x60 = 92.8078829747985
x61 = 51.9671784781312
x62 = -294.655210967943
x63 = -99.8764664453755
x64 = 29.9760299030026
x65 = -76.8381203190504
x66 = 66.1043454192852
x67 = 17.9332580642417
x68 = -43.8513974563575
x69 = 50.3963821513363
x70 = 3.79609112308767
x71 = 25.7872396982162
x72 = 74.481925828858
x73 = -40.1862060271694
x74 = -79.9797129726402
x75 = 6.41408500107916
x76 = 83.9067037896274
x77 = 32.0704250053958
x78 = 80.2415123604393
x79 = 47.7783882733448
x80 = 39.9244066393703
x81 = 21.0748507178315
x82 = 76.0527221556529
x83 = 94.3786793015934
x84 = 54.0615735805244
x85 = -59.0357619487082
x86 = 16.3624617374468
x87 = 43.0659992929601
x88 = 38.3536103125754
x89 = -19.7658537788358
x90 = -81.550509299435
x91 = 2.22529479629277
x92 = -59.5593607243065
x93 = 82.3359074628325