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- La ecuación:
-
Ecuación 2x^2-x-1=x^2-5x-(-1-x^2)
-
Ecuación x(x^2+2x+1)=6(x+1)
-
Ecuación 4x+1=-3x+15
- Ecuación (3x−36)⋅(x+8)=0
- Expresar {x} en función de y en la ecuación:
- -6*x-20*y=8
- 13*x-12*y=19
- -9*x+11*y=9
- -4*x-8*y=-20
- Derivada de:
-
cos^2x
- Integral de d{x}:
- cos^2x
- Gráfico de la función y =:
- cos^2x
-
Expresiones idénticas
- sinx*cosx+2sin^2x=cos^2x
- seno de x multiplicar por coseno de x más 2 seno de al cuadrado x es igual a coseno de al cuadrado x
- sinx*cosx+2sin2x=cos2x
- sinx*cosx+2sin²x=cos²x
- sinx*cosx+2sin en el grado 2x=cos en el grado 2x
- sinxcosx+2sin^2x=cos^2x
- sinxcosx+2sin2x=cos2x
-
Expresiones semejantes
- sinx*cosx-2sin^2x=cos^2x
-
Expresiones con funciones
- sinx
- Sinx=3
- sinx=6,2+2x
- Sinx^2-√3*sinx*cosx=0
- sinx*(cosx*sinx-1)=0
- sinx=-1,8
- cosx
- cosx+sinx=sqrt2*sin(2x)
- cosx=8^(-1/6)
- Cosx-cos2x-sin3x=0
- cosx-1=1
- cosx(x^2+x+1)=y
- Coseno cos
- cos(x)=-(4/5)
- cos(x+(pi/6))=-1
- cos(3*x)=1
- cos(x)=-3/2
- cos(x)=1/2
sinx*cosx+2sin^2x=cos^2x la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
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2 2 sin(x)*cos(x) + 2*sin (x) = cos (x)
$$2 \sin^{2}{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} = \cos^{2}{\left(x \right)}$$
Suma y producto de raíces
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suma
pi 3*pi / ___\ / ___\ - -- + ---- - 2*atan\2 - \/ 5 / - 2*atan\2 + \/ 5 / 4 4
$$- 2 \operatorname{atan}{\left(2 + \sqrt{5} \right)} + \left(- 2 \operatorname{atan}{\left(2 - \sqrt{5} \right)} + \left(- \frac{\pi}{4} + \frac{3 \pi}{4}\right)\right)$$
=
pi / ___\ / ___\ -- - 2*atan\2 + \/ 5 / - 2*atan\2 - \/ 5 / 2
$$- 2 \operatorname{atan}{\left(2 + \sqrt{5} \right)} - 2 \operatorname{atan}{\left(2 - \sqrt{5} \right)} + \frac{\pi}{2}$$
producto
-pi 3*pi / ___\ / ___\ ----*----*-2*atan\2 - \/ 5 /*-2*atan\2 + \/ 5 / 4 4
$$- \frac{\pi}{4} \frac{3 \pi}{4} \left(- 2 \operatorname{atan}{\left(2 - \sqrt{5} \right)}\right) \left(- 2 \operatorname{atan}{\left(2 + \sqrt{5} \right)}\right)$$
=
2 / ___\ / ___\
-3*pi *atan\2 + \/ 5 /*atan\2 - \/ 5 /
--------------------------------------
4
$$- \frac{3 \pi^{2} \operatorname{atan}{\left(2 - \sqrt{5} \right)} \operatorname{atan}{\left(2 + \sqrt{5} \right)}}{4}$$
-3*pi^2*atan(2 + sqrt(5))*atan(2 - sqrt(5))/4
Respuesta rápida
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-pi
x1 = ----
4
$$x_{1} = - \frac{\pi}{4}$$
3*pi
x2 = ----
4
$$x_{2} = \frac{3 \pi}{4}$$
/ ___\ x3 = -2*atan\2 - \/ 5 /
$$x_{3} = - 2 \operatorname{atan}{\left(2 - \sqrt{5} \right)}$$
/ ___\ x4 = -2*atan\2 + \/ 5 /
$$x_{4} = - 2 \operatorname{atan}{\left(2 + \sqrt{5} \right)}$$
x4 = -2*atan(2 + sqrt(5))
Respuesta numérica
[src]
x1 = 47.5875374128477
x2 = -66.7588438887831
x3 = -49.8018348484359
x4 = 55.7632696012188
x5 = -47.9092879672443
x6 = 46.3384916404494
x7 = -76.1836218495525
x8 = 90.3207887907066
x9 = -21.5275009661277
x10 = -87.5009466915134
x11 = -98.174770424681
x12 = -10.2101761241668
x13 = -93.784131998693
x14 = -85.6083998103219
x15 = -126.449104306989
x16 = 18.0641577581413
x17 = 9.88842556977019
x18 = 0.463647609000806
x19 = 97.8530198702844
x20 = -91.8915851175014
x21 = -5.81953769817878
x22 = 77.7544181763474
x23 = -13.3517687777566
x24 = -3.92699081698724
x25 = -78.076168730744
x26 = 88.428241909515
x27 = 3.6052402625906
x28 = -40.3770568876665
x29 = 40.0553063332699
x30 = -25.9181393921158
x31 = 33.7721210260903
x32 = -43.5186495412563
x33 = 16.1716108769498
x34 = 44.4459447592579
x35 = 2.35619449019234
x36 = 99.7455667514759
x37 = -16776.8901683329
x38 = -27.8106862733073
x39 = 96.6039740978861
x40 = 38.1627594520783
x41 = 25.5963888377192
x42 = -12.1027230053584
x43 = 84.037603483527
x44 = -84.3593540379236
x45 = -56.0850201556155
x46 = 24.3473430653209
x47 = 66.4370933343865
x48 = 75.8618712951559
x49 = -62.3682054627951
x50 = -65.5097981163849
x51 = -71.7929834235644
x52 = -18.385908312538
x53 = 69.5786859879763
x54 = 62.0464549083984
x55 = -57.3340659280137
x56 = 60.1539080272069
x57 = 8.63937979737193
x58 = 159.435827169682
x59 = -69.9004365423729
x60 = 68.329640215578
x61 = -63.6172512351933
x62 = 31.8795741448987
x63 = -19.6349540849362
x64 = 91.5698345631048
x65 = -41.6261026600648
x66 = 1511.56971398569
x67 = -7840.95161575112
x68 = -100.067317305873
x69 = 53.8707227200273
x70 = 30.6305283725005
x71 = -34.0938715804869
x72 = 74.6128255227576
x73 = -79.3252145031423
x74 = 52.621676947629
x75 = 11.7809724509617
x76 = 22.4547961841294
x77 = -54.1924732744239
x78 = -32.2013246992954
x79 = -35.3429173528852
x80 = 82.1450566023354
x80 = 82.1450566023354