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sina+1/2=0 la ecuación

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Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
sin(a) + 1/2 = 0
$$\sin{\left(a \right)} + \frac{1}{2} = 0$$
Solución detallada
Tenemos la ecuación
$$\sin{\left(a \right)} + \frac{1}{2} = 0$$
es la ecuación trigonométrica más simple
Transportemos 1/2 al miembro derecho de la ecuación

cambiando el signo de 1/2

Obtenemos:
$$\sin{\left(a \right)} = - \frac{1}{2}$$
Esta ecuación se reorganiza en
$$a = 2 \pi n + \operatorname{asin}{\left(- \frac{1}{2} \right)}$$
$$a = 2 \pi n - \operatorname{asin}{\left(- \frac{1}{2} \right)} + \pi$$
O
$$a = 2 \pi n - \frac{\pi}{6}$$
$$a = 2 \pi n + \frac{7 \pi}{6}$$
, donde n es cualquier número entero
Gráfica
Suma y producto de raíces [src]
suma
  pi   7*pi
- -- + ----
  6     6  
$$- \frac{\pi}{6} + \frac{7 \pi}{6}$$
=
pi
$$\pi$$
producto
-pi  7*pi
----*----
 6    6  
$$- \frac{\pi}{6} \frac{7 \pi}{6}$$
=
     2
-7*pi 
------
  36  
$$- \frac{7 \pi^{2}}{36}$$
-7*pi^2/36
Respuesta rápida [src]
     -pi 
a1 = ----
      6  
$$a_{1} = - \frac{\pi}{6}$$
     7*pi
a2 = ----
      6  
$$a_{2} = \frac{7 \pi}{6}$$
a2 = 7*pi/6
Respuesta numérica [src]
a1 = -15.1843644923507
a2 = -8.90117918517108
a3 = -38.2227106186758
a4 = -195.302343298165
a5 = 74.8746249105567
a6 = 437.20497762458
a7 = -84.2994028713261
a8 = -69.6386371545737
a9 = 49.7418836818384
a10 = 93.7241808320955
a11 = -34.0339204138894
a12 = -25.6563400043166
a13 = -82.2050077689329
a14 = -96.8657734856853
a15 = -40.317105721069
a16 = 37.1755130674792
a17 = 81.1578102177363
a18 = -57.0722665402146
a19 = 9.94837673636768
a20 = -63.3554518473942
a21 = 22.5147473507269
a22 = 91.6297857297023
a23 = 41.3643032722656
a24 = 5.75958653158129
a25 = -31.9395253114962
a26 = -101.054563690472
a27 = 30.8923277602996
a28 = 56.025068989018
a29 = 97.9129710368819
a30 = -151.320046147908
a31 = 100.007366139275
a32 = -94.7713783832921
a33 = -59.1666616426078
a34 = 12.0427718387609
a35 = -21.4675497995303
a36 = -6.80678408277789
a37 = 66.497044500984
a38 = 192.160750644576
a39 = 85.3466004225227
a40 = -78.0162175641465
a41 = -46.6002910282486
a42 = 79.0634151153431
a43 = -50.789081233035
a44 = -44.5058959258554
a45 = -27.7507351067098
a46 = -71.733032256967
a47 = 68.5914396033772
a48 = 66400.1787274983
a49 = 62.3082542961976
a50 = 53.9306738866248
a51 = 24.60914245312
a52 = 3.66519142918809
a53 = 72.7802298081635
a54 = -2.61799387799149
a55 = -75.9218224617533
a56 = 87.4409955249159
a57 = -88.4881930761125
a58 = 43.4586983746588
a59 = 28.7979326579064
a60 = 60.2138591938044
a61 = -52.8834763354282
a62 = 47.6474885794452
a63 = 16.2315620435473
a64 = -13.0899693899575
a65 = 35.081117965086
a66 = 18.3259571459405
a67 = -90.5825881785057
a68 = -19.3731546971371
a69 = -0.523598775598299
a70 = -65.4498469497874
a70 = -65.4498469497874