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- La ecuación:
-
Ecuación x-x/7=15/7
-
Ecuación (x-7)^2=(9-x)^2
-
Ecuación 1-2*(5-2*x)=-x-3
-
Ecuación x^3+4*x^2-x-4=0
- Expresar {x} en función de y en la ecuación:
- -16*x-7*y=-5
- 17*x-11*y=2
- 7*x+19*y=12
- -5*x+5*y=-9
-
Expresiones idénticas
- tan(x)- dos *cot(x)+ uno = cero
- tangente de (x) menos 2 multiplicar por cotangente de (x) más 1 es igual a 0
- tangente de (x) menos dos multiplicar por cotangente de (x) más uno es igual a cero
- tan(x)-2cot(x)+1=0
- tanx-2cotx+1=0
- tan(x)-2*cot(x)+1=O
-
Expresiones semejantes
- (tan(x)-2*cot(x))+1=0
- tan(x)+2*cot(x)+1=0
- tan(x)-2*cot(x)-1=0
-
Expresiones con funciones
- Tangente tan
- tan(x)=-2
- tan(x)=-sqrt(3)/3
- tan(x)+1=0
- tan(x/2)=-1
- tan(x+2)=0
- Cotangente cot
- cot(5x)*cos(x)+sin(x)-sqrt(2)*cos4x=0
- cot(-3*x)=-1
- cot(4*x)+1=0
- cot(x)=0
- cot(x+pi/3)=-1
tan(x)-2*cot(x)+1=0 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
tan(x) - 2*cot(x) + 1 = 0
$$\left(\tan{\left(x \right)} - 2 \cot{\left(x \right)}\right) + 1 = 0$$
Suma y producto de raíces
[src]
suma
pi -- - atan(2) 4
$$- \operatorname{atan}{\left(2 \right)} + \frac{\pi}{4}$$
=
pi
-atan(2) + --
4
$$- \operatorname{atan}{\left(2 \right)} + \frac{\pi}{4}$$
producto
pi --*(-atan(2)) 4
$$\frac{\pi}{4} \left(- \operatorname{atan}{\left(2 \right)}\right)$$
=
-pi*atan(2)
------------
4
$$- \frac{\pi \operatorname{atan}{\left(2 \right)}}{4}$$
-pi*atan(2)/4
Respuesta rápida
[src]
pi
x1 = --
4
$$x_{1} = \frac{\pi}{4}$$
x2 = -atan(2)
$$x_{2} = - \operatorname{atan}{\left(2 \right)}$$
x2 = -atan(2)
Respuesta numérica
[src]
x1 = 30.3087778181038
x2 = 24.0255925109243
x3 = 74.2910749683609
x4 = -71.4712328691678
x5 = 61.7247043540018
x6 = -62.0464549083984
x7 = 52.2999263932324
x8 = 25.9181393921158
x9 = 38.484510006475
x10 = -21.2057504117311
x11 = 5.1760365893855
x12 = 41.6261026600648
x13 = 49.1583337396426
x14 = -40.0553063332699
x15 = 17.7424072037447
x16 = 63.6172512351933
x17 = -33.7721210260903
x18 = -41.9478532144614
x19 = 89.9990382363099
x20 = 96.2822235434895
x21 = 71.1494823147711
x22 = -76.5053724039491
x23 = 33.4503704716936
x24 = -32.523075253692
x25 = -19.9567046393328
x26 = 80.5742602755405
x27 = 85.6083998103219
x28 = -55.7632696012188
x29 = -54.5142238288206
x30 = 22.776546738526
x31 = -49.4800842940392
x32 = -96.6039740978861
x33 = -38.8062605608716
x34 = -52.621676947629
x35 = -84.037603483527
x36 = -24.3473430653209
x37 = 98.174770424681
x38 = 19.6349540849362
x39 = 68.0078896611814
x40 = 14.6008145501549
x41 = -10.5319266785635
x42 = 76.1836218495525
x43 = -87.1791961371168
x44 = 54.1924732744239
x45 = 82.4668071567321
x46 = 36.5919631252834
x47 = -90.3207887907066
x48 = 47.9092879672443
x49 = -29.3814826001022
x50 = 88.7499924639117
x51 = -93.4623814442964
x52 = -57.6558164824104
x53 = -85.9301503647185
x54 = 66.7588438887831
x55 = 99.4238161970793
x56 = -79.6469650575389
x57 = -5.49778714378214
x58 = 44.7676953136546
x59 = -63.93900178959
x60 = -98.4965209790777
x61 = 55.4415190468222
x62 = -16.8151119857431
x63 = 46.0167410860528
x64 = -92.2133356718981
x65 = 69.9004365423729
x66 = 10.2101761241668
x67 = -77.7544181763474
x68 = 32.2013246992954
x69 = -70.2221870967695
x70 = 93.1406308898997
x71 = -2.35619449019234
x72 = -11.7809724509617
x73 = 11.4592218965651
x74 = 16.4933614313464
x75 = -26.2398899465124
x76 = 27.167185164514
x77 = 8.31762924297529
x78 = -13.6735193321533
x79 = 2.0344439357957
x80 = -43.1968989868597
x81 = -60.7974091360002
x82 = -74.6128255227576
x83 = -46.3384916404494
x84 = 77.4326676219507
x85 = -27.4889357189107
x86 = -68.329640215578
x87 = 58.583111700412
x88 = 83.7158529291303
x89 = -4.24874137138388
x90 = -18.0641577581413
x91 = 91.8915851175014
x92 = -65.1880475619882
x93 = -99.7455667514759
x94 = -82.7885577111287
x95 = -7.39033402497368
x96 = 60.4756585816035
x97 = 3.92699081698724
x98 = -35.6646679072818
x99 = -48.231038521641
x100 = 39.7335557788732
x100 = 39.7335557788732
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