Sr Examen

Otras calculadoras

1/sin(x)=2 la ecuación

El profesor se sorprenderá mucho al ver tu solución correcta😉

v

Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
  1       
------ = 2
sin(x)    
$$\frac{1}{\sin{\left(x \right)}} = 2$$
Solución detallada
Tenemos la ecuación
$$\frac{1}{\sin{\left(x \right)}} = 2$$
cambiamos
$$-2 + \frac{1}{\sin{\left(x \right)}} = 0$$
$$-2 + \frac{1}{\sin{\left(x \right)}} = 0$$
Sustituimos
$$w = \sin{\left(x \right)}$$
Tenemos la ecuación:
$$-2 + \frac{1}{w} = 0$$
Usamos la regla de proporciones:
De a1/b1 = a2/b2 se deduce a1*b2 = a2*b1,
En nuestro caso
a1 = 1

b1 = -1/2

a2 = 1

b2 = -w

signo obtendremos la ecuación
$$- w = - \frac{1}{2}$$
$$- w = - \frac{1}{2}$$
Dividamos ambos miembros de la ecuación en -1
w = -1/2 / (-1)

Obtenemos la respuesta: w = 1/2
hacemos cambio inverso
$$\sin{\left(x \right)} = w$$
Tenemos la ecuación
$$\sin{\left(x \right)} = w$$
es la ecuación trigonométrica más simple
Esta ecuación se reorganiza en
$$x = 2 \pi n + \operatorname{asin}{\left(w \right)}$$
$$x = 2 \pi n - \operatorname{asin}{\left(w \right)} + \pi$$
O
$$x = 2 \pi n + \operatorname{asin}{\left(w \right)}$$
$$x = 2 \pi n - \operatorname{asin}{\left(w \right)} + \pi$$
, donde n es cualquier número entero
sustituimos w:
$$x_{1} = 2 \pi n + \operatorname{asin}{\left(w_{1} \right)}$$
$$x_{1} = 2 \pi n + \operatorname{asin}{\left(\frac{1}{2} \right)}$$
$$x_{1} = 2 \pi n + \frac{\pi}{6}$$
$$x_{2} = 2 \pi n - \operatorname{asin}{\left(w_{1} \right)} + \pi$$
$$x_{2} = 2 \pi n - \operatorname{asin}{\left(\frac{1}{2} \right)} + \pi$$
$$x_{2} = 2 \pi n + \frac{5 \pi}{6}$$
Gráfica
Respuesta rápida [src]
     pi
x1 = --
     6 
$$x_{1} = \frac{\pi}{6}$$
     5*pi
x2 = ----
      6  
$$x_{2} = \frac{5 \pi}{6}$$
x2 = 5*pi/6
Suma y producto de raíces [src]
suma
pi   5*pi
-- + ----
6     6  
$$\frac{\pi}{6} + \frac{5 \pi}{6}$$
=
pi
$$\pi$$
producto
pi 5*pi
--*----
6   6  
$$\frac{\pi}{6} \frac{5 \pi}{6}$$
=
    2
5*pi 
-----
  36 
$$\frac{5 \pi^{2}}{36}$$
5*pi^2/36
Respuesta numérica [src]
x1 = 27.7507351067098
x2 = -91.6297857297023
x3 = 65.4498469497874
x4 = 503.178423349965
x5 = -56.025068989018
x6 = 78.0162175641465
x7 = -60.2138591938044
x8 = 4210.25775458592
x9 = 82.2050077689329
x10 = 2.61799387799149
x11 = -37.1755130674792
x12 = -3.66519142918809
x13 = 90.5825881785057
x14 = -5968.50244304501
x15 = -47.6474885794452
x16 = -16.2315620435473
x17 = 40.317105721069
x18 = 52.8834763354282
x19 = -87.4409955249159
x20 = 38.2227106186758
x21 = 84.2994028713261
x22 = 31.9395253114962
x23 = 46.6002910282486
x24 = 34.0339204138894
x25 = 220.435084526884
x26 = -24.60914245312
x27 = 15.1843644923507
x28 = -66.497044500984
x29 = 2226.86559261957
x30 = 119.90411961201
x31 = -9.94837673636768
x32 = 226.718269834063
x33 = 88.4881930761125
x34 = -261.275789023551
x35 = -68.5914396033772
x36 = 13.0899693899575
x37 = 44.5058959258554
x38 = 71.733032256967
x39 = 19.3731546971371
x40 = -74.8746249105567
x41 = -43.4586983746588
x42 = -97.9129710368819
x43 = -49.7418836818384
x44 = -81.1578102177363
x45 = -35.081117965086
x46 = 6.80678408277789
x47 = -5.75958653158129
x48 = -12.0427718387609
x49 = -62.3082542961976
x50 = -53.9306738866248
x51 = -85.3466004225227
x52 = -93.7241808320955
x53 = 804.771318094585
x54 = -18.3259571459405
x55 = 1064.47631079134
x56 = 94.7713783832921
x57 = -41.3643032722656
x58 = 21.4675497995303
x59 = -72.7802298081635
x60 = 75.9218224617533
x61 = -22.5147473507269
x62 = -100.007366139275
x63 = 50.789081233035
x64 = 63.3554518473942
x64 = 63.3554518473942