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- La ecuación:
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Ecuación 2x^2-x-1=x^2-5x-(-1-x^2)
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Ecuación x^2+4=5x
-
Ecuación x(x^2+2x+1)=6(x+1)
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Ecuación 4x+1=-3x+15
- 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
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Expresiones idénticas
- sin(tres *x)+cos(tres *x)= uno /sqrt(dos)sin2x
- seno de (3 multiplicar por x) más coseno de (3 multiplicar por x) es igual a 1 dividir por raíz cuadrada de (2) seno de 2x
- seno de (tres multiplicar por x) más coseno de (tres multiplicar por x) es igual a uno dividir por raíz cuadrada de (dos) seno de 2x
- sin(3*x)+cos(3*x)=1/√(2)sin2x
- sin(3x)+cos(3x)=1/sqrt(2)sin2x
- sin3x+cos3x=1/sqrt2sin2x
- sin(3*x)+cos(3*x)=1 dividir por sqrt(2)sin2x
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Expresiones semejantes
- sin^3(x)+cos^3(x)=-1
- sin(3*x)-cos(3*x)=1/sqrt(2)sin2x
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Expresiones con funciones
- Seno sin
- sin(x)=pi
- sin(4*x)=0
- sin(x)^2=1
- sin(x)=(1/2)
- sin(x)=0,5
- Coseno cos
- cos(x)=-(4/5)
- cos(x+(pi/6))=-1
- cos(3*x)=1
- cos(x)=-3/2
- cos(x)=1/2
- Raíz cuadrada sqrt
- sqrt(x-1)=x-3
- sqrt(x+6)=x
- sqrt(16-4*x)=2
- sqrt(12-x)=x
- sqrt(5/(15-x))=1
sin(3*x)+cos(3*x)=1/sqrt(2)sin2x la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
sin(2*x)
sin(3*x) + cos(3*x) = --------
___
\/ 2
$$\sin{\left(3 x \right)} + \cos{\left(3 x \right)} = \frac{\sin{\left(2 x \right)}}{\sqrt{2}}$$
Respuesta numérica
[src]
x1 = -82.0600899877754
x2 = -39.8909844598969
x3 = -38.0777928375183
x4 = 65.7761267285613
x5 = 34.3602001926634
x6 = 14.3344859379784
x7 = -29.6478112122787
x8 = -57.7407830969704
x9 = 62.4531720773551
x10 = -62.2107767817714
x11 = -43.3612208602326
x12 = 69.7361146689999
x13 = 85.7727216836948
x14 = -55.9275914745918
x15 = 58.3167830882355
x16 = 12.1876896199184
x17 = 93.869098613253
x18 = 61.6397377394417
x19 = 49.8868014629959
x20 = -75.7769046805958
x21 = -67.3469230553562
x22 = -2.19187261681937
x23 = 1.76811532361925
x24 = -64.02396840415
x25 = 262.701667569188
x26 = -83.873281610154
x27 = -32.6080418682521
x28 = -18.2284796315143
x29 = -90.1564669173336
x30 = 23.9406258963642
x31 = -77.5900963029744
x32 = 99.3388495825193
x33 = -5.66210901715511
x34 = 52.0335977810559
x35 = -85.0203206437488
x36 = -46.1741697670765
x37 = 5.90450431273881
x38 = 38.320188133102
x39 = 89.7327096241334
x40 = -11.9452943243347
x41 = -7.47530063953371
x42 = 25.7538175187428
x43 = 54.3567951477969
x44 = -33.6077991527173
x45 = 32.0370028259224
x46 = -66.17076472221
x47 = -86.196478976895
x48 = -20.0416712538929
x49 = 82.3024852833591
x50 = -41.0380234934917
x51 = -73.6301083625358
x52 = 72.0593120357409
x53 = 56.1699867701755
x54 = 45.7504124738764
x55 = 36.5069965107234
x56 = -49.6444061674122
x57 = 18.470874927098
x58 = -42.2141818266379
x59 = 67.9229230466213
x60 = 42.790181817903
x61 = 100.152283920433
x62 = -3.33891165041414
x63 = -21.0414285383581
x64 = 28.0770148854838
x65 = 48.0736098406173
x66 = -15.9052822647733
x67 = -9.62209695759373
x68 = -35.9309965194583
x69 = 76.0192999761795
x70 = 96.015894931313
x71 = -31.7946075303387
x72 = 8.05130063079883
x73 = 4.09131269036022
x74 = -22.1884675719529
x75 = -25.5114222231591
x76 = 30.2238112035438
x77 = 74.2061083538009
x78 = -13.7584859467133
x79 = -99.9098886248489
x80 = 21.7938295783042
x81 = 41.7904245334377
x82 = 10.3744979975398
x83 = -59.8875794150304
x84 = -53.6043941078508
x85 = -51.4575977897908
x86 = -406.638929643054
x87 = 98.339092298054
x88 = -97.5866912581079
x89 = -0.378680994440776
x90 = 78.3424973429205
x91 = -93.6267033176693
x92 = 92.0559069908744
x93 = -79.9132936697154
x94 = 80.4892936609805
x94 = 80.4892936609805