El profesor se sorprenderá mucho al ver tu solución correcta😉
4 2 4*cos (x) - 4*cos (x) + 3*cos(x)*sin(x) + 1 = 0
/ ___________\ | ___ / ___ | x1 = -2*atan\-2 + \/ 3 + 2*\/ 2 - \/ 3 /
/ / _____________\\ / / _____________\\ | | ___ ___ / ___ || | | ___ ___ / ___ || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || x2 = 2*re|atan|- - + ------- + ----------------------|| + 2*I*im|atan|- - + ------- + ----------------------|| \ \ 2 2 2 // \ \ 2 2 2 //
/ / _____________\\ / / _____________\\ | | ___ ___ / ___ || | | ___ ___ / ___ || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || x3 = - 2*re|atan|- + ------- - ----------------------|| - 2*I*im|atan|- + ------- - ----------------------|| \ \2 2 2 // \ \2 2 2 //
/ / _____________\\ / / _____________\\ | | ___ ___ / ___ || | | ___ ___ / ___ || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || x4 = - 2*re|atan|- + ------- + ----------------------|| - 2*I*im|atan|- + ------- + ----------------------|| \ \2 2 2 // \ \2 2 2 //
/ / _____________ \\ / / _____________ \\ | | ___ / ___ ___|| | | ___ / ___ ___|| | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || x5 = - 2*re|atan|- + ---------------------- - -------|| - 2*I*im|atan|- + ---------------------- - -------|| \ \2 2 2 // \ \2 2 2 //
/ ___________\ | ___ / ___ | x6 = 2*atan\2 - \/ 3 + 2*\/ 2 - \/ 3 /
/ ___________\ | ___ / ___ | x7 = 2*atan\2 + \/ 3 + 2*\/ 2 + \/ 3 /
/ ___________\ | ___ / ___ | x8 = 2*atan\2 + \/ 3 - 2*\/ 2 + \/ 3 /
x8 = 2*atan(-2*sqrt(sqrt(3) + 2) + sqrt(3) + 2)
suma
/ / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________ \\ / / _____________ \\ / ___________\ | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ / ___ ___|| | | ___ / ___ ___|| / ___________\ / ___________\ / ___________\ | ___ / ___ | | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | ___ / ___ | | ___ / ___ | | ___ / ___ | - 2*atan\-2 + \/ 3 + 2*\/ 2 - \/ 3 / + 2*re|atan|- - + ------- + ----------------------|| + 2*I*im|atan|- - + ------- + ----------------------|| + - 2*re|atan|- + ------- - ----------------------|| - 2*I*im|atan|- + ------- - ----------------------|| + - 2*re|atan|- + ------- + ----------------------|| - 2*I*im|atan|- + ------- + ----------------------|| + - 2*re|atan|- + ---------------------- - -------|| - 2*I*im|atan|- + ---------------------- - -------|| + 2*atan\2 - \/ 3 + 2*\/ 2 - \/ 3 / + 2*atan\2 + \/ 3 + 2*\/ 2 + \/ 3 / + 2*atan\2 + \/ 3 - 2*\/ 2 + \/ 3 / \ \ 2 2 2 // \ \ 2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 //
=
/ / _____________\\ / / _____________\\ / / _____________ \\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________ \\ / / _____________\\ / ___________\ | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ / ___ ___|| / ___________\ / ___________\ / ___________\ | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ / ___ ___|| | | ___ ___ / ___ || | ___ / ___ | | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | ___ / ___ | | ___ / ___ | | ___ / ___ | | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || - 2*atan\-2 + \/ 3 + 2*\/ 2 - \/ 3 / - 2*re|atan|- + ------- + ----------------------|| - 2*re|atan|- + ------- - ----------------------|| - 2*re|atan|- + ---------------------- - -------|| + 2*atan\2 + \/ 3 - 2*\/ 2 + \/ 3 / + 2*atan\2 + \/ 3 + 2*\/ 2 + \/ 3 / + 2*atan\2 - \/ 3 + 2*\/ 2 - \/ 3 / + 2*re|atan|- - + ------- + ----------------------|| - 2*I*im|atan|- + ------- + ----------------------|| - 2*I*im|atan|- + ------- - ----------------------|| - 2*I*im|atan|- + ---------------------- - -------|| + 2*I*im|atan|- - + ------- + ----------------------|| \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \ 2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \ 2 2 2 //
producto
/ / / _____________\\ / / _____________\\\ / / / _____________\\ / / _____________\\\ / / / _____________\\ / / _____________\\\ / / / _____________ \\ / / _____________ \\\ / ___________\ | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ / ___ ___|| | | ___ / ___ ___||| / ___________\ / ___________\ / ___________\ | ___ / ___ | | | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 ||| | | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||| | | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||| | | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 ||| | ___ / ___ | | ___ / ___ | | ___ / ___ | -2*atan\-2 + \/ 3 + 2*\/ 2 - \/ 3 /*|2*re|atan|- - + ------- + ----------------------|| + 2*I*im|atan|- - + ------- + ----------------------|||*|- 2*re|atan|- + ------- - ----------------------|| - 2*I*im|atan|- + ------- - ----------------------|||*|- 2*re|atan|- + ------- + ----------------------|| - 2*I*im|atan|- + ------- + ----------------------|||*|- 2*re|atan|- + ---------------------- - -------|| - 2*I*im|atan|- + ---------------------- - -------|||*2*atan\2 - \/ 3 + 2*\/ 2 - \/ 3 /*2*atan\2 + \/ 3 + 2*\/ 2 + \/ 3 /*2*atan\2 + \/ 3 - 2*\/ 2 + \/ 3 / \ \ \ 2 2 2 // \ \ 2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 ///
=
/ / / _____________\\ / / _____________\\\ / / / _____________\\ / / _____________\\\ / / / _____________ \\ / / _____________ \\\ / / / _____________\\ / / _____________\\\ | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ / ___ ___|| | | ___ / ___ ___||| | | | ___ ___ / ___ || | | ___ ___ / ___ ||| / ___________\ / ___________\ / ___________\ / ___________\ | | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||| | | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||| | | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 ||| | | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 ||| | ___ / ___ | | ___ / ___ | | ___ / ___ | | ___ / ___ | 256*|I*im|atan|- + ------- + ----------------------|| + re|atan|- + ------- + ----------------------|||*|I*im|atan|- + ------- - ----------------------|| + re|atan|- + ------- - ----------------------|||*|I*im|atan|- + ---------------------- - -------|| + re|atan|- + ---------------------- - -------|||*|I*im|atan|- - + ------- + ----------------------|| + re|atan|- - + ------- + ----------------------|||*atan\-2 + \/ 3 + 2*\/ 2 - \/ 3 /*atan\2 + \/ 3 - 2*\/ 2 + \/ 3 /*atan\2 + \/ 3 + 2*\/ 2 + \/ 3 /*atan\2 - \/ 3 + 2*\/ 2 - \/ 3 / \ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \ 2 2 2 // \ \ 2 2 2 ///
256*(i*im(atan(1/2 + i*sqrt(3)/2 + sqrt(2)*sqrt(1 + i*sqrt(3))/2)) + re(atan(1/2 + i*sqrt(3)/2 + sqrt(2)*sqrt(1 + i*sqrt(3))/2)))*(i*im(atan(1/2 + i*sqrt(3)/2 - sqrt(2)*sqrt(1 + i*sqrt(3))/2)) + re(atan(1/2 + i*sqrt(3)/2 - sqrt(2)*sqrt(1 + i*sqrt(3))/2)))*(i*im(atan(1/2 + sqrt(2)*sqrt(1 - i*sqrt(3))/2 - i*sqrt(3)/2)) + re(atan(1/2 + sqrt(2)*sqrt(1 - i*sqrt(3))/2 - i*sqrt(3)/2)))*(i*im(atan(-1/2 + i*sqrt(3)/2 + sqrt(2)*sqrt(1 - i*sqrt(3))/2)) + re(atan(-1/2 + i*sqrt(3)/2 + sqrt(2)*sqrt(1 - i*sqrt(3))/2)))*atan(-2 + sqrt(3) + 2*sqrt(2 - sqrt(3)))*atan(2 + sqrt(3) - 2*sqrt(2 + sqrt(3)))*atan(2 + sqrt(3) + 2*sqrt(2 + sqrt(3)))*atan(2 - sqrt(3) + 2*sqrt(2 - sqrt(3)))
x1 = -97.6511716490827
x2 = -42.1497014356631
x3 = -20.1585528605345
x4 = 100.269165527074
x5 = 71.9948316447661
x6 = 58.3812634792103
x7 = 78.2780169519457
x8 = -100.792764302673
x9 = -9.68657734856853
x10 = -95.5567765466895
x11 = -88.2263936883134
x12 = 50.0036830696375
x13 = 1.83259571459405
x14 = -70.4240353179712
x15 = -0.261799387799149
x16 = 30.1069295969022
x17 = -13.8753675533549
x18 = -31.6777259236971
x19 = 89.7971900151083
x20 = -7283.52076796014
x21 = 87.7027949127151
x22 = 23.8237442897226
x23 = -59.9520598060052
x24 = -345.836991282676
x25 = -44.2440965380563
x26 = -7.59218224617533
x27 = 8.11578102177363
x28 = 74.0892267471593
x29 = -79.8488132787406
x30 = -94.5095789954929
x31 = -92.4151838930998
x32 = -86.1319985859202
x33 = 62.5700536839967
x34 = 28.012534494509
x35 = 43.720497762458
x36 = 6.02138591938044
x37 = -29.5833308213039
x38 = -66.2352451131848
x39 = 65.7116463375865
x40 = 17.540558982543
x41 = 12.30457122656
x42 = -73.565627971561
x43 = -35.8665161284835
x44 = -64.1408500107916
x45 = 52.0980781720307
x46 = 34.2957198016886
x47 = -75.6600230739542
x48 = 36.3901149040818
x49 = -15.9697626557481
x50 = -37.9609112308767
x51 = 84.5612022591253
x52 = 14.3989663289532
x53 = 80.3724120543389
x54 = -53.6688744988256
x55 = 45.8148928648512
x56 = -22.2529479629277
x57 = -57.857664703612
x58 = 56.2868683768171
x59 = 124.354709204596
x60 = -51.5744793964324
x61 = 96.0803753222878
x62 = 93.9859802198946
x63 = -81.9432083811338
x64 = 67.8060414399797
x65 = 21.7293491873294
x65 = 21.7293491873294