Найду корень уравнения: cos²x=1
a*w^2 + b*w + c = 0
D = b^2 - 4 * a * c =
(0)^2 - 4 * (1) * (-1) = 4
w1 = (-b + sqrt(D)) / (2*a)
w2 = (-b - sqrt(D)) / (2*a)
сумма
0 + 0 + pi + 2*pi
=
3*pi
произведение
1*0*pi*2*pi
=
0
x1 = -18.8495556944209
x2 = 84.8230014093114
x3 = -3.14159311568248
x4 = -21.9911485864515
x5 = -12.5663703661411
x6 = -81.6814090380061
x7 = 43.982297169427
x8 = 53.4070756765307
x9 = 84.8230010166547
x10 = 56.5486676091327
x11 = -56.5486675191652
x12 = 21.9911485851964
x13 = -62.8318528379059
x14 = -59.6902604576401
x15 = 59.6902605976901
x16 = -100.530964672522
x17 = -47.1238900492539
x18 = 25.1327414478072
x19 = 53.4070753627408
x20 = -87.9645943587732
x21 = 97.3893727097471
x22 = -94.2477794529919
x23 = 50.2654824463473
x24 = -72.2566308741333
x25 = 91.1061871583643
x26 = 9.42477821024198
x27 = -6.28318513794069
x28 = -31.4159267959754
x29 = -69.1150386253436
x30 = -28.2743337166085
x31 = 47.123890018392
x32 = -97.3893724403711
x33 = -18.8495561207399
x34 = -84.82300141007
x35 = -106.814150357553
x36 = -15.7079632965264
x37 = 3.14159244884412
x38 = -75.3982238620294
x39 = 31.4159267865366
x40 = -34.5575189426108
x41 = -31.4159267051849
x42 = -78.5398160958028
x43 = -91.106187201329
x44 = -25.132741632083
x45 = 15.7079634406648
x46 = 6.28318528425126
x47 = 25.1327410188866
x48 = 34.5575190304759
x49 = 0.0
x50 = -84.8230018263493
x51 = 62.8318528326557
x52 = 28.2743338652012
x53 = 18.8495554002244
x54 = 69.1150385885879
x55 = 91.1061867314459
x56 = 100.530964766599
x57 = -91.1061872003049
x58 = -12.5663700417108
x59 = -34.5575189701076
x60 = 3.14159287686128
x61 = -25.132741473063
x62 = 78.5398161878405
x63 = 69.1150381602162
x64 = 9.42477859080277
x65 = -40.8407042660168
x66 = 72.256631027719
x67 = -43.9822971745789
x68 = 40.840703919946
x69 = 94.2477796093525
x70 = 75.3982241944528
x71 = 47.123889589354
x72 = -69.1150386737158
x73 = -3.14159289677385
x74 = 18.8495556796107
x75 = -1734.15914475848
x76 = -65.9734457650176
x77 = 65.9734457528975
x78 = -47.123890151099
x79 = 31.4159271479423
x80 = 62.8318524523063
x81 = -40.8407046898283
x82 = -37.6991118771514
x83 = 97.3893725148693
x84 = 37.6991120192083
x85 = 75.3982239388525
x86 = -9.42477812668337
x87 = -50.2654822953391
x88 = 12.5663704518704
x89 = 87.9645943357576
x90 = -53.4070752836338
x91 = -62.8318532583801
x92 = 40.8407042560881
x93 = 81.6814091761104