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- La ecuación:
-
Ecuación 10x-20=5x
-
Ecuación k^2-2*k+5=0
-
Ecuación x^2-7x-18=0
-
Ecuación k^2-4*k+13=0
- Expresar {x} en función de y en la ecuación:
- 4*x+16*y=6
- 10*x+9*y=-4
- 18*x-20*y=-7
- -1*x-20*y=-17
-
Expresiones idénticas
- cot(dos *x)+ uno =(- uno)/sin(dos *x)
- cotangente de (2 multiplicar por x) más 1 es igual a ( menos 1) dividir por seno de (2 multiplicar por x)
- cotangente de (dos multiplicar por x) más uno es igual a ( menos uno) dividir por seno de (dos multiplicar por x)
- cot(2x)+1=(-1)/sin(2x)
- cot2x+1=-1/sin2x
- cot(2*x)+1=(-1) dividir por sin(2*x)
-
Expresiones semejantes
- cot(2*x)+1=(1)/sin(2*x)
- cot(2*x)-1=(-1)/sin(2*x)
-
Expresiones con funciones
- Cotangente cot
- cot(x)=1/sqrt(2)
- cot(x)-sqrt(3)=0
- cot(x)=-sqrt(3)
- cot(x)=-8
- cot(t)*sin^2=1/(tan(t)+cot(t))
- Seno sin
- sin(x)=(1-sqrt(5))/2
- sinx+cosx=0
- Sin^2x-sinx=0
- sin(5x)=-1/2
- sin(2x)-cos(2x)=3/4
cot(2*x)+1=(-1)/sin(2*x) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
-1
cot(2*x) + 1 = --------
sin(2*x)
$$\cot{\left(2 x \right)} + 1 = - \frac{1}{\sin{\left(2 x \right)}}$$
Respuesta rápida
[src]
-pi
x1 = ----
4
$$x_{1} = - \frac{\pi}{4}$$
3*pi
x2 = ----
4
$$x_{2} = \frac{3 \pi}{4}$$
x2 = 3*pi/4
Suma y producto de raíces
[src]
suma
pi 3*pi - -- + ---- 4 4
$$- \frac{\pi}{4} + \frac{3 \pi}{4}$$
=
pi -- 2
$$\frac{\pi}{2}$$
producto
-pi 3*pi ----*---- 4 4
$$- \frac{\pi}{4} \frac{3 \pi}{4}$$
=
2 -3*pi ------ 16
$$- \frac{3 \pi^{2}}{16}$$
-3*pi^2/16
Respuesta numérica
[src]
x1 = -88.7499924639117
x2 = 58.9048622548086
x3 = 93.4623814442964
x4 = 30.6305283725005
x5 = -66.7588438887831
x6 = 55.7632696012188
x7 = -16.4933614313464
x8 = 40.0553063332699
x9 = -47.9092879672443
x10 = -25.9181393921158
x11 = 46.3384916404494
x12 = 71.4712328691678
x13 = 33.7721210260903
x14 = 49.4800842940392
x15 = 36.9137136796801
x16 = 90.3207887907066
x17 = -76.1836218495525
x18 = -22.776546738526
x19 = -29.0597320457056
x20 = 2.35619449019234
x21 = -73.0420291959627
x22 = 99.7455667514759
x23 = 80.8960108299372
x24 = -98.174770424681
x25 = -10.2101761241668
x26 = 96.6039740978861
x27 = 74.6128255227576
x28 = 62.0464549083984
x29 = -7.06858347057703
x30 = 14.9225651045515
x31 = -57.3340659280137
x32 = -0.785398163397448
x33 = -85.6083998103219
x34 = 43.1968989868597
x35 = 65.1880475619882
x36 = 8.63937979737193
x37 = -79.3252145031423
x38 = -69.9004365423729
x39 = -51.0508806208341
x40 = 68.329640215578
x41 = 18.0641577581413
x42 = 87.1791961371168
x43 = -95.0331777710912
x44 = 52.621676947629
x45 = -63.6172512351933
x46 = 5.49778714378214
x47 = -82.4668071567321
x48 = 11.7809724509617
x49 = -19.6349540849362
x50 = 84.037603483527
x51 = -54.1924732744239
x52 = 21.2057504117311
x53 = -91.8915851175014
x54 = -44.7676953136546
x55 = 24.3473430653209
x56 = -32.2013246992954
x57 = -41.6261026600648
x58 = -60.4756585816035
x59 = 27.4889357189107
x60 = -13.3517687777566
x61 = -35.3429173528852
x62 = 77.7544181763474
x63 = -3.92699081698724
x64 = -38.484510006475
x64 = -38.484510006475