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tg(x)+ctg(x)=-2 la ecuación

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Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
tan(x) + cot(x) = -2
$$\tan{\left(x \right)} + \cot{\left(x \right)} = -2$$
Gráfica
Suma y producto de raíces [src]
suma
-pi 
----
 4  
$$- \frac{\pi}{4}$$
=
-pi 
----
 4  
$$- \frac{\pi}{4}$$
producto
-pi 
----
 4  
$$- \frac{\pi}{4}$$
=
-pi 
----
 4  
$$- \frac{\pi}{4}$$
-pi/4
Respuesta rápida [src]
     -pi 
x1 = ----
      4  
$$x_{1} = - \frac{\pi}{4}$$
x1 = -pi/4
Respuesta numérica [src]
x1 = 14.9225648006018
x2 = 68.3296401139153
x3 = -3.9269910997502
x4 = 90.3207887983879
x5 = 18.0641575828681
x6 = 90.3207887428632
x7 = 55.7632698164134
x8 = 24.3473430003423
x9 = -32.2013245212226
x10 = -54.1924729709968
x11 = -85.6083999046866
x12 = -19.6349541614809
x13 = -41.6261027424746
x14 = 2.35619441945391
x15 = -7.06858349150383
x16 = 36.9137140178918
x17 = -60.4756586221018
x18 = 96.6039737980993
x19 = 84.0376034213556
x20 = -76.1836216884043
x21 = 68.3296401620326
x22 = 46.3384914577614
x23 = 74.612825721913
x24 = -10.210175937257
x25 = 46.3384915811972
x26 = -54.1924731049312
x27 = -76.183622024029
x28 = 30.6305280307066
x29 = -63.6172513235393
x30 = 40.0553062119893
x31 = 52.6216766205436
x32 = -57.3340663372646
x33 = -91.8915846147837
x34 = -98.1747702716625
x35 = -13.3517691514012
x36 = 77.7544184016456
x37 = 18.064157519956
x38 = 8.63937944008175
x39 = -35.3429177438206
x40 = 11.7809726469881
x41 = 68.3296401409972
x42 = -60.4756585867943
x43 = 24.3473428861137
x44 = 2.35619454116169
x45 = 74.6128252096556
x46 = 99.7455669872618
x47 = 33.7721212315366
x48 = 62.0464548215302
x49 = -79.3252149318323
x49 = -79.3252149318323