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cos(x-(pi/6))=-1/2 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
   /    pi\       
cos|x - --| = -1/2
   \    6 /       
$$\cos{\left(x - \frac{\pi}{6} \right)} = - \frac{1}{2}$$
Solución detallada
Tenemos la ecuación
$$\cos{\left(x - \frac{\pi}{6} \right)} = - \frac{1}{2}$$
es la ecuación trigonométrica más simple
Esta ecuación se reorganiza en
$$x + \frac{\pi}{3} = 2 \pi n + \operatorname{asin}{\left(- \frac{1}{2} \right)}$$
$$x + \frac{\pi}{3} = 2 \pi n - \operatorname{asin}{\left(- \frac{1}{2} \right)} + \pi$$
O
$$x + \frac{\pi}{3} = 2 \pi n - \frac{\pi}{6}$$
$$x + \frac{\pi}{3} = 2 \pi n + \frac{7 \pi}{6}$$
, donde n es cualquier número entero
Transportemos
$$\frac{\pi}{3}$$
al miembro derecho de la ecuación
con el signo opuesto, en total:
$$x = 2 \pi n - \frac{\pi}{2}$$
$$x = 2 \pi n + \frac{5 \pi}{6}$$
Gráfica
Respuesta rápida [src]
     -pi 
x1 = ----
      2  
$$x_{1} = - \frac{\pi}{2}$$
     5*pi
x2 = ----
      6  
$$x_{2} = \frac{5 \pi}{6}$$
x2 = 5*pi/6
Suma y producto de raíces [src]
suma
  pi   5*pi
- -- + ----
  2     6  
$$- \frac{\pi}{2} + \frac{5 \pi}{6}$$
=
pi
--
3 
$$\frac{\pi}{3}$$
producto
-pi  5*pi
----*----
 2    6  
$$- \frac{\pi}{2} \frac{5 \pi}{6}$$
=
     2
-5*pi 
------
  12  
$$- \frac{5 \pi^{2}}{12}$$
-5*pi^2/12
Respuesta numérica [src]
x1 = 73.8274273593601
x2 = -79.0634151153431
x3 = 2.61799387799149
x4 = 96.8657734856853
x5 = 27.7507351067098
x6 = 52.8834763354282
x7 = 1699.07802681648
x8 = 15.1843644923507
x9 = 61.261056745001
x10 = 42.4115008234622
x11 = -91.6297857297023
x12 = -64.4026493985908
x13 = -83.2522053201295
x14 = -28.7979326579064
x15 = -26.7035375555132
x16 = 17.2787595947439
x17 = 65.4498469497874
x18 = 90.5825881785057
x19 = 71.733032256967
x20 = 78.0162175641465
x21 = 21.4675497995303
x22 = 86.3937979737193
x23 = 84.2994028713261
x24 = -1.5707963267949
x25 = -16.2315620435473
x26 = -20.4203522483337
x27 = -97.9129710368819
x28 = 8.90117918517108
x29 = 103.148958792865
x30 = -9.94837673636768
x31 = 92.6769832808989
x32 = 36.1283155162826
x33 = -32.9867228626928
x34 = -39.2699081698724
x35 = -58.1194640914112
x36 = -35.081117965086
x37 = -22.5147473507269
x38 = -47.6474885794452
x39 = 4.71238898038469
x40 = -76.9690200129499
x41 = -95.8185759344887
x42 = 48.6946861306418
x43 = -51.8362787842316
x44 = -72.7802298081635
x45 = 23.5619449019235
x46 = -3.66519142918809
x47 = 67.5442420521806
x48 = -14.1371669411541
x49 = 98.9601685880785
x50 = 80.1106126665397
x51 = -60.2138591938044
x52 = -66.497044500984
x53 = -85.3466004225227
x54 = -7.85398163397448
x55 = -53.9306738866248
x56 = -41.3643032722656
x57 = 59.1666616426078
x58 = 40.317105721069
x59 = -45.553093477052
x60 = 54.9778714378214
x61 = -89.5353906273091
x62 = 10.9955742875643
x63 = -70.6858347057703
x64 = 29.845130209103
x65 = 34.0339204138894
x66 = 46.6002910282486
x67 = -102.101761241668
x67 = -102.101761241668