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- La ecuación:
- Ecuación x+y-3=0
-
Ecuación x^2=-3
-
Ecuación 3^x=-1
-
Ecuación x^3+4=0
- Expresar {x} en función de y en la ecuación:
- 4*x+8*y=7
- 15*x-5*y=-5
- -16*x-2*y=4
- 16*x-15*y=4
- Derivada de:
-
ctg(2x)
- Integral de d{x}:
- ctg(2x)
- Gráfico de la función y =:
- ctg(2x)
-
Expresiones idénticas
- 4cos^ dos (2x)-tg(4x)=ctg(2x)
- 4 coseno de al cuadrado (2x) menos tg(4x) es igual a ctg(2x)
- 4 coseno de en el grado dos (2x) menos tg(4x) es igual a ctg(2x)
- 4cos2(2x)-tg(4x)=ctg(2x)
- 4cos22x-tg4x=ctg2x
- 4cos²(2x)-tg(4x)=ctg(2x)
- 4cos en el grado 2(2x)-tg(4x)=ctg(2x)
- 4cos^22x-tg4x=ctg2x
-
Expresiones semejantes
- (-pi/2)+x*arctg(2*x)-arctg(2*x)=-pi
- 4cos^2(2x)+tg(4x)=ctg(2x)
- 1+ctg2x=1/(cos(((3*p)/2))-2x)
- -x-arctg(2*x)=-3,14
- (ctg2x-1)(2sinx+1)=0
-
Expresiones con funciones
- tg
- tg(Pi(2x−5))/6=√3/3
- tg(0,5x+0,2)=x^2
- tg(0,47x+0,2)=x^2
- tg^2asin^2a/tg^2a-sin^2a
- tg(x)=-ctg((3*pi*n)/4)
4cos^2(2x)-tg(4x)=ctg(2x) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
2 4*cos (2*x) - tan(4*x) = cot(2*x)
$$4 \cos^{2}{\left(2 x \right)} - \tan{\left(4 x \right)} = \cot{\left(2 x \right)}$$
Respuesta rápida
[src]
-3*pi
x1 = -----
4
$$x_{1} = - \frac{3 \pi}{4}$$
-pi
x2 = ----
4
$$x_{2} = - \frac{\pi}{4}$$
pi
x3 = --
4
$$x_{3} = \frac{\pi}{4}$$
3*pi
x4 = ----
4
$$x_{4} = \frac{3 \pi}{4}$$
x4 = 3*pi/4
Suma y producto de raíces
[src]
suma
3*pi pi pi 3*pi - ---- - -- + -- + ---- 4 4 4 4
$$\left(\left(- \frac{3 \pi}{4} - \frac{\pi}{4}\right) + \frac{\pi}{4}\right) + \frac{3 \pi}{4}$$
=
0
$$0$$
producto
-3*pi -pi pi 3*pi -----*----*--*---- 4 4 4 4
$$\frac{3 \pi}{4} \frac{\pi}{4} \cdot - \frac{3 \pi}{4} \left(- \frac{\pi}{4}\right)$$
=
4 9*pi ----- 256
$$\frac{9 \pi^{4}}{256}$$
9*pi^4/256
Respuesta numérica
[src]
x1 = 99.9419164380021
x2 = 32.2013246992954
x3 = -67.3478925330895
x4 = -27.4889357189107
x5 = -0.58904864136369
x6 = 10.2101761241668
x7 = -41.6261026600648
x8 = -75.9872723220841
x9 = -91.6952355965457
x10 = -60.2793090687327
x11 = -19.6349540849362
x12 = 36.3246649633794
x13 = -3.92699081698724
x14 = 82.4668071567321
x15 = 11.9773220268043
x16 = 96.0149254585556
x17 = -77.7544181763474
x18 = 16.4933614313464
x19 = -21.7947990018784
x20 = -38.2881603571662
x21 = -5.49778714378214
x22 = -84.037603483527
x23 = -55.7632696012188
x24 = -65.7770961652584
x25 = 60.4756585816035
x26 = 3.92699081698724
x27 = -3.73064128949766
x28 = -13.9408174956974
x29 = 38.484510006475
x30 = 90.3207887907066
x31 = -80.6996613173521
x32 = 98.174770424681
x33 = 18.260507291171
x34 = -18.0641577581413
x35 = -43.7859475837541
x36 = 76.1836218495525
x37 = 52.032628287788
x38 = -10.0138265640244
x39 = 80.306962148443
x40 = 24.3473430653209
x41 = -40.0553063332699
x42 = -82.4668071567321
x43 = 8.05033110699184
x44 = 46.3384916404494
x45 = -33.7721210260903
x46 = -53.9961237380468
x47 = 92.0879347759598
x48 = 88.1609439343936
x49 = 40.2516558728749
x50 = -47.7129384463766
x51 = 66.1697953387757
x52 = 30.0414796996842
x53 = 55.9596192198114
x54 = -25.7217898687049
x55 = 25.9181393921158
x56 = -69.7040870224378
x57 = 84.2339530272694
x58 = -99.7455667514759
x59 = -97.9784209044788
x60 = 54.1924732744239
x61 = 33.9684706210648
x62 = 62.2428044538146
x63 = 68.329640215578
x64 = 44.1786467498755
x65 = 63.6172512351933
x66 = 77.9507678246297
x67 = -85.6083998103219
x68 = 74.0237768736457
x69 = 2.35619449019234
x70 = -11.7809724509617
x71 = -62.0464549083984
x72 = -32.0049751521416
x73 = 69.9004365423729
x74 = -63.6172512351933
x75 = -87.7682447466075
x76 = 22.1874981643287
x77 = 47.9092879672443
x78 = 58.3158135578075
x78 = 58.3158135578075