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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
- Gráfico de la función y =:
-
sin(2*x)
- Integral de d{x}:
- sin(2*x)
- Derivada de:
-
sin(2*x)
-
Expresiones idénticas
- sin(dos *x)=sqrt(dos)*sin(x+pi/ dos)
- seno de (2 multiplicar por x) es igual a raíz cuadrada de (2) multiplicar por seno de (x más número pi dividir por 2)
- seno de (dos multiplicar por x) es igual a raíz cuadrada de (dos) multiplicar por seno de (x más número pi dividir por dos)
- sin(2*x)=√(2)*sin(x+pi/2)
- sin(2x)=sqrt(2)sin(x+pi/2)
- sin2x=sqrt2sinx+pi/2
- sin(2*x)=sqrt(2)*sin(x+pi dividir por 2)
-
Expresiones semejantes
- sin(2*x-pi*1/4)=1/2
- sin(2*x)=sqrt(2)*sin(x-pi/2)
- 2sin^2(x)-sqrt(3)sin(x)/2cos(x)+1=0
-
Expresiones con funciones
- Seno sin
- sin(x)=pi
- sin(4*x)=0
- sin(x)^2=1
- sin(x)=(1/2)
- sin(x)+sin(2*x)+sin(3*x)=0
- 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
- Seno sin
- sin(x)=pi
- sin(4*x)=0
- sin(x)^2=1
- sin(x)=(1/2)
- sin(x)+sin(2*x)+sin(3*x)=0
sin(2*x)=sqrt(2)*sin(x+pi/2) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
___ / pi\
sin(2*x) = \/ 2 *sin|x + --|
\ 2 /
$$\sin{\left(2 x \right)} = \sqrt{2} \sin{\left(x + \frac{\pi}{2} \right)}$$
Respuesta rápida
[src]
-pi
x1 = ----
2
$$x_{1} = - \frac{\pi}{2}$$
pi
x2 = --
4
$$x_{2} = \frac{\pi}{4}$$
pi
x3 = --
2
$$x_{3} = \frac{\pi}{2}$$
3*pi
x4 = ----
4
$$x_{4} = \frac{3 \pi}{4}$$
x4 = 3*pi/4
Suma y producto de raíces
[src]
suma
pi pi pi 3*pi - -- + -- + -- + ---- 2 4 2 4
$$\left(\left(- \frac{\pi}{2} + \frac{\pi}{4}\right) + \frac{\pi}{2}\right) + \frac{3 \pi}{4}$$
=
pi
$$\pi$$
producto
-pi pi pi 3*pi ----*--*--*---- 2 4 2 4
$$\frac{3 \pi}{4} \frac{\pi}{2} \cdot - \frac{\pi}{2} \frac{\pi}{4}$$
=
4 -3*pi ------ 64
$$- \frac{3 \pi^{4}}{64}$$
-3*pi^4/64
Respuesta numérica
[src]
x1 = -64.4026493985908
x2 = 2.35619449019234
x3 = -23.5619449019235
x4 = -29.845130209103
x5 = 57.3340659280137
x6 = -11.7809724509617
x7 = 46.3384916404494
x8 = 42.4115008234622
x9 = 40.0553063332699
x10 = 4.71238898038469
x11 = 58.9048622548086
x12 = 36.1283155162826
x13 = 33.7721210260903
x14 = 23.5619449019235
x15 = 71.4712328691678
x16 = 51.0508806208341
x17 = -80.1106126665397
x18 = 86.3937979737193
x19 = -29.0597320457056
x20 = -18.0641577581413
x21 = 64.4026493985908
x22 = -80.8960108299372
x23 = -83.2522053201295
x24 = -22.776546738526
x25 = -95.8185759344887
x26 = -85.6083998103219
x27 = 21.2057504117311
x28 = -1.5707963267949
x29 = 76.1836218495525
x30 = 44.7676953136546
x31 = -62.0464549083984
x32 = 13.3517687777566
x33 = 73.8274273593601
x34 = 7.06858347057703
x35 = -39.2699081698724
x36 = 32.2013246992954
x37 = 67.5442420521806
x38 = 88.7499924639117
x39 = -66.7588438887831
x40 = -16.4933614313464
x41 = -10.2101761241668
x42 = -47.9092879672443
x43 = -73.0420291959627
x44 = -5.49778714378214
x45 = -51.8362787842316
x46 = 58.1194640914112
x47 = -60.4756585816035
x48 = -93.4623814442964
x49 = -73.8274273593601
x50 = 51.8362787842316
x51 = -87.1791961371168
x52 = 82.4668071567321
x53 = 29.845130209103
x54 = -45.553093477052
x55 = -54.1924732744239
x56 = 80.1106126665397
x57 = -58.1194640914112
x58 = -98.174770424681
x59 = 38.484510006475
x60 = -36.1283155162826
x61 = -43.1968989868597
x62 = -49.4800842940392
x63 = 27.4889357189107
x64 = -41.6261026600648
x65 = -67.5442420521806
x66 = -91.8915851175014
x67 = 77.7544181763474
x68 = 14.9225651045515
x69 = 25.9181393921158
x70 = -7.85398163397448
x71 = 48.6946861306418
x72 = -55.7632696012188
x73 = 95.0331777710912
x74 = -36.9137136796801
x75 = 7.85398163397448
x76 = -14.1371669411541
x77 = -3.92699081698724
x78 = 90.3207887907066
x79 = -30.6305283725005
x80 = 14.1371669411541
x81 = 65.1880475619882
x82 = 69.9004365423729
x83 = 20.4203522483337
x84 = 95.8185759344887
x85 = -89.5353906273091
x86 = 84.037603483527
x87 = 92.6769832808989
x88 = 102.887159405066
x89 = -99.7455667514759
x90 = 0.785398163397448
x91 = 101.316363078271
x92 = -20.4203522483337
x92 = -20.4203522483337