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2 2*sin (x) - 5*cos(x) + 1 = 0
a*w^2 + b*w + c = 0
D = b^2 - 4 * a * c =
(-5)^2 - 4 * (-2) * (3) = 49
w1 = (-b + sqrt(D)) / (2*a)
w2 = (-b - sqrt(D)) / (2*a)
suma
pi pi / / ___\\ / / ___\\ / / ___\\ / / ___\\ - -- + -- + 2*im\atanh\\/ 2 // - 2*I*re\atanh\\/ 2 // + - 2*im\atanh\\/ 2 // + 2*I*re\atanh\\/ 2 // 3 3
=
0
producto
-pi pi / / / ___\\ / / ___\\\ / / / ___\\ / / ___\\\ ----*--*\2*im\atanh\\/ 2 // - 2*I*re\atanh\\/ 2 ///*\- 2*im\atanh\\/ 2 // + 2*I*re\atanh\\/ 2 /// 3 3
=
2 2 / / / ___\\ / / ___\\\ 4*pi *\- I*re\atanh\\/ 2 // + im\atanh\\/ 2 /// ------------------------------------------------ 9
4*pi^2*(-i*re(atanh(sqrt(2))) + im(atanh(sqrt(2))))^2/9
-pi x1 = ---- 3
pi x2 = -- 3
/ / ___\\ / / ___\\ x3 = 2*im\atanh\\/ 2 // - 2*I*re\atanh\\/ 2 //
/ / ___\\ / / ___\\ x4 = - 2*im\atanh\\/ 2 // + 2*I*re\atanh\\/ 2 //
x4 = -2*im(atanh(sqrt(2))) + 2*i*re(atanh(sqrt(2)))
x1 = -55.5014702134197
x2 = 11.5191730631626
x3 = 99.4837673636768
x4 = -11.5191730631626
x5 = -42.9350995990605
x6 = -30.3687289847013
x7 = -1.0471975511966
x8 = -89.0117918517108
x9 = -38.7463093942741
x10 = 30.3687289847013
x11 = -49.2182849062401
x12 = -32.4631240870945
x13 = 36.6519142918809
x14 = 38.7463093942741
x15 = 93.2005820564972
x16 = -74.3510261349584
x17 = 74.3510261349584
x18 = 55.5014702134197
x19 = 1.0471975511966
x20 = 51.3126800086333
x21 = 17.8023583703422
x22 = -51.3126800086333
x23 = 95.2949771588904
x24 = -57.5958653158129
x25 = -99.4837673636768
x26 = -82.7286065445312
x27 = 26.1799387799149
x28 = 76.4454212373516
x29 = 57.5958653158129
x30 = 82.7286065445312
x31 = 86.9173967493176
x32 = 24.0855436775217
x33 = -61.7846555205993
x34 = -4503.99666769657
x35 = -17.8023583703422
x36 = -26.1799387799149
x37 = 5.23598775598299
x38 = 49.2182849062401
x39 = 45.0294947014537
x40 = 32.4631240870945
x41 = 70.162235930172
x42 = -70.162235930172
x43 = -105.766952670856
x44 = -80.634211442138
x45 = 109898.147010327
x46 = -5.23598775598299
x47 = 89.0117918517108
x48 = -68.0678408277789
x49 = 80.634211442138
x50 = -24.0855436775217
x51 = -95.2949771588904
x52 = -13.6135681655558
x53 = 61.7846555205993
x54 = -93.2005820564972
x55 = 63.8790506229925
x56 = -76.4454212373516
x57 = -63.8790506229925
x58 = 42.9350995990605
x59 = -36.6519142918809
x60 = 68.0678408277789
x61 = -7.33038285837618
x62 = -19.8967534727354
x63 = -45.0294947014537
x64 = 19.8967534727354
x65 = 7.33038285837618
x66 = -86.9173967493176
x67 = 13.6135681655558
x67 = 13.6135681655558