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cos(x) cos(x) 81 - 12*9 + 27 = 0
a*v^2 + b*v + c = 0
D = b^2 - 4 * a * c =
(-12)^2 - 4 * (1) * (27) = 36
v1 = (-b + sqrt(D)) / (2*a)
v2 = (-b - sqrt(D)) / (2*a)
suma
pi 5*pi / / pi*I \\ / / pi*I \\ / / pi*I \\ / / pi*I \\ -- + ---- + 2*pi + - re|acos|1 + ------|| + 2*pi - I*im|acos|1 + ------|| + I*im|acos|1 + ------|| + re|acos|1 + ------|| 3 3 \ \ log(3)// \ \ log(3)// \ \ log(3)// \ \ log(3)//
=
6*pi
producto
pi 5*pi / / / pi*I \\ / / pi*I \\\ / / / pi*I \\ / / pi*I \\\ 0*--*----*2*pi*|- re|acos|1 + ------|| + 2*pi - I*im|acos|1 + ------|||*|I*im|acos|1 + ------|| + re|acos|1 + ------||| 3 3 \ \ \ log(3)// \ \ log(3)/// \ \ \ log(3)// \ \ log(3)///
=
0
0
x1 = 0
pi x2 = -- 3
5*pi x3 = ---- 3
x4 = 2*pi
/ / pi*I \\ / / pi*I \\ x5 = - re|acos|1 + ------|| + 2*pi - I*im|acos|1 + ------|| \ \ log(3)// \ \ log(3)//
/ / pi*I \\ / / pi*I \\ x6 = I*im|acos|1 + ------|| + re|acos|1 + ------|| \ \ log(3)// \ \ log(3)//
x6 = re(acos(1 + i*pi/log(3))) + i*im(acos(1 + i*pi/log(3)))
x1 = -75.3982236259572
x2 = -61.7846555205993
x3 = 50.265482446416
x4 = 17.8023583703422
x5 = -119.380520722553
x6 = 6.28318528461271
x7 = 80.634211442138
x8 = -43.982297250311
x9 = 63.8790506229925
x10 = 95.2949771588904
x11 = -45.0294947014537
x12 = 12.5663705794251
x13 = -43.9822971749119
x14 = 70.162235930172
x15 = -26.1799387799149
x16 = -99.4837673636768
x17 = -17.8023583703422
x18 = 13.6135681655558
x19 = 24.0855436775217
x20 = -37.699111876203
x21 = -37.6991118938099
x22 = 68.0678408277789
x23 = -13.6135681655558
x24 = 32.4631240870945
x25 = -57.5958653158129
x26 = 74.3510261349584
x27 = -55.5014702134197
x28 = -68.0678408277789
x29 = 36.6519142918809
x30 = -94.2477795210534
x31 = 94.2477796093536
x32 = 43.9822971691114
x33 = 81.681409024659
x34 = 76.4454212373516
x35 = 37.6991118982383
x36 = 87.9645943345231
x37 = -6.28318523676409
x38 = 38.7463093942741
x39 = -51.3126800086333
x40 = 55.5014702134197
x41 = -69.1150383889461
x42 = -81.6814090361158
x43 = 30.3687289847013
x44 = -19.8967534727354
x45 = 56.5486677073469
x46 = 61.7846555205993
x47 = 57.5958653158129
x48 = -11.5191730631626
x49 = 114.144533080429
x50 = -7.33038285837618
x51 = -50.265482377124
x52 = -30.3687289847013
x53 = -70.162235930172
x54 = -24.0855436775217
x55 = -95.2949771588904
x56 = 0.0
x57 = 100.530964843642
x58 = -89.0117918517108
x59 = -63.8790506229925
x60 = -25.1327412411215
x61 = -31.4159265348377
x62 = -87.9645943600733
x63 = -69.1150384053406
x64 = 26.1799387799149
x65 = 641.932098883514
x66 = -87.9645942976328
x67 = 19.8967534727354
x68 = -74.3510261349584
x69 = 218.864288200089
x69 = 218.864288200089