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___________ ___ \/ -cos(2*x) + \/ 2 *cos(x) = 0
a*w^2 + b*w + c = 0
D = b^2 - 4 * a * c =
(2*sqrt(2))^2 - 4 * (-4) * (-1) = -8
w1 = (-b + sqrt(D)) / (2*a)
w2 = (-b - sqrt(D)) / (2*a)
suma
2*pi 2*pi - ---- + ---- 3 3
=
0
producto
-2*pi 2*pi -----*---- 3 3
=
2 -4*pi ------ 9
-4*pi^2/9
-2*pi x1 = ----- 3
2*pi x2 = ---- 3
x2 = 2*pi/3
x1 = -29.3215314335047
x2 = -27.2271363311115
x3 = 39.7935069454707
x4 = -39.7935069454707
x5 = -20.943951023932
x6 = 4.18879020478639
x7 = -52.3598775598299
x8 = -73.3038285837618
x9 = 96.342174710087
x10 = 54.4542726622231
x11 = -140.324471860344
x12 = -54.4542726622231
x13 = -35.6047167406843
x14 = -77.4926187885482
x15 = 73.3038285837618
x16 = 16.7551608191456
x17 = -98.4365698124802
x18 = 77.4926187885482
x19 = -4.18879020478639
x20 = -14.6607657167524
x21 = 33.5103216382911
x22 = 41.8879020478639
x23 = 71.2094334813686
x24 = -33.5103216382911
x25 = 83.7758040957278
x26 = -48.1710873550435
x27 = 64.9262481741891
x28 = 10.471975511966
x29 = 67.0206432765823
x30 = 52.3598775598299
x31 = -41.8879020478639
x32 = -67.0206432765823
x33 = 46.0766922526503
x34 = 85.870199198121
x35 = 60.7374579694027
x36 = -46.0766922526503
x37 = -23.0383461263252
x38 = -83.7758040957278
x39 = -16.7551608191456
x40 = 20.943951023932
x41 = -90.0589894029074
x42 = -58.6430628670095
x43 = -85.870199198121
x44 = -10.471975511966
x45 = 79.5870138909414
x46 = 92.1533845053006
x47 = -8.37758040957278
x48 = 14.6607657167524
x49 = 48.1710873550435
x50 = -60.7374579694027
x51 = 8.37758040957278
x52 = -2.0943951023932
x53 = 90.0589894029074
x54 = 29.3215314335047
x55 = 35.6047167406843
x56 = -79.5870138909414
x57 = 98.4365698124802
x58 = 23.0383461263252
x59 = 58.6430628670095
x60 = -92.1533845053006
x61 = -96.342174710087
x62 = 2.0943951023932
x63 = -71.2094334813686
x64 = 27.2271363311115
x64 = 27.2271363311115