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ctgx=1,8 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
cot(x) = 9/5
$$\cot{\left(x \right)} = \frac{9}{5}$$
Solución detallada
Tenemos la ecuación
$$\cot{\left(x \right)} = \frac{9}{5}$$
cambiamos
$$\cot{\left(x \right)} - \frac{9}{5} = 0$$
$$\cot{\left(x \right)} - \frac{9}{5} = 0$$
Sustituimos
$$w = \cot{\left(x \right)}$$
Transportamos los términos libres (sin w)
del miembro izquierdo al derecho, obtenemos:
$$w = \frac{9}{5}$$
Obtenemos la respuesta: w = 9/5
hacemos cambio inverso
$$\cot{\left(x \right)} = w$$
sustituimos w:
Gráfica
Respuesta rápida [src]
x1 = acot(9/5)
$$x_{1} = \operatorname{acot}{\left(\frac{9}{5} \right)}$$
x1 = acot(9/5)
Suma y producto de raíces [src]
suma
acot(9/5)
$$\operatorname{acot}{\left(\frac{9}{5} \right)}$$
=
acot(9/5)
$$\operatorname{acot}{\left(\frac{9}{5} \right)}$$
producto
acot(9/5)
$$\operatorname{acot}{\left(\frac{9}{5} \right)}$$
=
acot(9/5)
$$\operatorname{acot}{\left(\frac{9}{5} \right)}$$
acot(9/5)
Respuesta numérica [src]
x1 = -27.7672353779158
x2 = -21.4840500707362
x3 = -93.7406811033015
x4 = -1124.18307148075
x5 = 69.6221368833678
x6 = 91.6132854584963
x7 = -78.0327178353525
x8 = -5.77608680278725
x9 = 6.79028381157192
x10 = 3.64869115798213
x11 = 22.4982470795209
x12 = 0.507098504392337
x13 = 85.3301001513168
x14 = -27.7672353779158
x15 = -62.3247545674035
x16 = 75.9053221905474
x17 = 60.1973589225984
x18 = -59.1831619138137
x19 = 82.188507497727
x20 = -37.1920133386852
x21 = -18.3424574171464
x22 = -43.4751986458648
x23 = 66.480544229778
x24 = -15.2008647635566
x25 = 50.772580961829
x26 = 25.6398397331107
x27 = -87.4574957961219
x28 = -49.7583839530444
x29 = 31.9230250402903
x30 = 72.7637295369576
x31 = -12.0592721099668
x32 = 44.4893956546494
x33 = 28.7814323867005
x34 = -100.023866410481
x35 = 88.4716928049066
x36 = -84.3159031425321
x37 = -90.5990884497117
x38 = 97.8964707656759
x39 = -34.0504206850954
x40 = 38.2062103474699
x41 = -56.0415692602239
x42 = -65.4663472209933
x43 = 9.93187646516172
x44 = -40.333605992275
x45 = 16.2150617723413
x46 = 47.6309883082392
x47 = 53.9141736154188
x48 = -71.7495325281729
x49 = 94.7548781120861
x49 = 94.7548781120861