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sin(8x)+sin(10x)+cosx=0 la ecuación

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Ha introducido [src]

sin(8*x) + sin(10*x) + cos(x) = 0

$$\left(\sin{\left(8 x \right)} + \sin{\left(10 x \right)}\right) + \cos{\left(x \right)} = 0$$

Simplificar

Gráfica

Trazar el gráfico f1(x)

Trazar el gráfico f2(x)

Respuesta rápida [src]

     -pi 
x1 = ----
      2

$$x_{1} = - \frac{\pi}{2}$$

     pi
x2 = --
     2

$$x_{2} = \frac{\pi}{2}$$

x2 = pi/2

Suma y producto de raíces [src]

suma

  pi   pi
- -- + --
  2    2

$$- \frac{\pi}{2} + \frac{\pi}{2}$$

$$0$$

producto

-pi  pi
----*--
 2   2

$$- \frac{\pi}{2} \frac{\pi}{2}$$

   2 
-pi  
-----
  4

$$- \frac{\pi^{2}}{4}$$

-pi^2/4

Respuesta numérica [src]

x1 = 64.1699388316582

x2 = -53.8143186031585

x3 = -63.8208729812593

x4 = 80.226967950006

x5 = -14.0208116576878

x6 = -49.8582389653047

x7 = 83.4849158870621

x8 = -95.7022206510224

x9 = -33.8012098469569

x10 = 4.13061256305325

x11 = 20.1876416814011

x12 = -79.8779020996072

x13 = 71.8493875404332

x14 = 52.0689893511642

x15 = -93.8405361155618

x16 = 94.1896019659606

x17 = 36.2446707997489

x18 = 7.85398163397448

x19 = 48.1129097133104

x20 = -37.7572894848107

x21 = -31.7068147445637

x22 = -29.845130209103

x23 = -45.6694487605183

x24 = 40.2007504376027

x25 = 29.9614854925693

x26 = 18.0932465790079

x27 = 98.1456816038145

x28 = -69.8713477215063

x29 = -19.8385758310022

x30 = -97.7966157534156

x31 = 50.2073048157035

x32 = 76.0381777452196

x33 = -35.89560494935

x34 = 14.1371669411541

x35 = 86.277442690253

x36 = 58.1194640914112

x37 = 92.0952068635675

x38 = 62.075543729265

x39 = 70.2204135719052

x40 = -99.8910108558088

x41 = -41.9460796895971

x42 = -65.2171363828548

x43 = 10.1810873033003

x44 = -23.794655468856

x45 = -15.6497856262158

x46 = 100.240076706208

x47 = 2.03621746066005

x48 = -21.7002603664628

x49 = -88.0227719422474

x50 = 15.9988514766147

x51 = -83.833981737461

x52 = 22.2820367837943

x53 = 43.6914089415914

x54 = 59.9811486268718

x55 = -47.7638438629115

x56 = 26.7035375555132

x57 = -5.87594181504758

x58 = -76.1545330286859

x59 = -17.744180728609

x60 = 8.08669220090706

x61 = -61.0283461780684

x62 = -91.7461410131686

x63 = 90.0008117611743

x64 = -77.7835069972139

x65 = -51.7199235007653

x66 = 84.1830475878598

x67 = 42.2951455399959

x68 = -67.7769526191131

x69 = 78.1325728476128

x70 = -61.7264778788661

x71 = 56.2577795559506

x72 = -0.0581776417331443

x73 = 24.1437213192549

x74 = 73.9437826428264

x75 = -58.0031088079449

x76 = 32.0558805949625

x77 = 46.0185146109172

x78 = -1.68715161026119

x79 = -81.7395866350678

x80 = -27.9834456736424

x81 = 95.8185759344887

x82 = -71.9657428238995

x83 = -7.73762635050819

x84 = -9.83202145290139

x85 = -73.8274273593601

x86 = 54.1633844535574

x87 = -89.5353906273091

x88 = 32.9867228626928

x89 = 68.126018469512

x90 = 86.5101532571856

x91 = -39.8516845872039

x92 = 26.2381164216481

x93 = 12.2754824056935

x94 = -55.9087137055517

x95 = 34.1502756973557

x96 = -3.78154671265438

x97 = -25.8890505712492

x98 = -85.9283768398542

x99 = -44.0404747919902

x100 = -11.9264165552946

x101 = 66.2643339340514

x101 = 66.2643339340514