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-1/3*cos(x/3+pi/4)-cos=sin(x) la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
     /x   pi\                  
  cos|- + --|                  
     \3   4 /                  
- ----------- - cos(x) = sin(x)
       3                       
$$- \cos{\left(x \right)} - \frac{\cos{\left(\frac{x}{3} + \frac{\pi}{4} \right)}}{3} = \sin{\left(x \right)}$$
Gráfica
Respuesta numérica [src]
x1 = -48.1229000849692
x2 = 15.1361772222764
x3 = -54.1924732744239
x4 = 36.7001015619552
x5 = -22.5629346208011
x6 = 77.7544181763474
x7 = -85.8220119280467
x8 = -3.71337869926236
x9 = 83.8239913658021
x10 = 90.5344009084314
x11 = 81.109622947662
x12 = 24.5609551830458
x13 = 27.2753236011858
x14 = -25.9181393921158
x15 = -57.5476780457386
x16 = 8.42576767964705
x17 = -29.2733441634305
x18 = 68.329640215578
x19 = -63.6172512351933
x20 = -16.4933614313464
x21 = -19.8485662026611
x22 = -91.8915851175014
x23 = 2.35619449019234
x24 = -88.5363803461868
x25 = 99.9591788692008
x26 = 96.6039740978861
x27 = 52.8352890653539
x28 = 55.549657483494
x29 = 11.7809724509617
x30 = -60.2620464638786
x31 = 40.0553063332699
x32 = -38.6981221241998
x33 = -73.0420291959627
x34 = 30.6305283725005
x35 = -82.4668071567321
x36 = 49.4800842940392
x37 = 62.2600670261233
x38 = 33.9857331438152
x39 = 58.9048622548086
x40 = -13.1381566600317
x41 = 64.9744354442633
x42 = -50.8372685031093
x43 = 87.1791961371168
x44 = -79.1116023854174
x45 = -41.4124905423399
x46 = -44.7676953136546
x47 = 43.4105111045845
x48 = -31.9877125815705
x49 = -69.686824424648
x50 = -95.2467898888161
x51 = -97.9611583069562
x52 = -35.3429173528852
x53 = 93.2487693265715
x54 = 46.1248795227246
x55 = -0.999010281122326
x56 = 21.2057504117311
x57 = 74.3992134050327
x58 = 2151.20556954561
x59 = -10.4237882418917
x60 = -7.06858347057703
x61 = 17.8505456404164
x62 = -76.3972339672774
x63 = -66.972456006508
x64 = 441.965553875038
x65 = 5.71139926150702
x66 = 71.6848449868927
x66 = 71.6848449868927