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- La ecuación:
-
Ecuación (x-3)*(x+2)=0
-
Ecuación (11x+14)-(5x-8)=25
-
Ecuación z^2-6*z+10=0
-
Ecuación 4/(x-4)=-5
- Expresar {x} en función de y en la ecuación:
- -7*x-13*y=5
- 15*x+1*y=19
- 7*x-1*y=-7
- -11*x-14*y=-3
- Integral de d{x}:
- sinxcosx
- Derivada de:
-
sinxcosx
-
Expresiones idénticas
- sinxcosx=- cero , cinco
- seno de x coseno de x es igual a menos 0,5
- seno de x coseno de x es igual a menos cero , cinco
-
Expresiones semejantes
- sinxcosx=+0,5
- 1157,3-((0,1*(94,4+x)/2))-((0,5*(94,4+x)/2))-((3*(94,4+x))/2)=8,78*x\
- sin(x)^3+3*sin(x)^2*cos(x)-sin(x)*cos(x)^2-3*cos(x)^3=0
- 3sin^2(x)+4sin(x)cos(x)+cos^2(x)=0
- 0,5(2y-1)-(0,5-0,2y)+1=0
- -2*sin(x)*cos(x)-2*sin(x)=0
- 3*sin^2x+11*sinx*cosx+6cos^2x=0
-
Expresiones con funciones
- sinxcosx
- sinxcosx=0,25
sinxcosx=-0,5 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
sin(x)*cos(x) = -1/2
$$\sin{\left(x \right)} \cos{\left(x \right)} = - \frac{1}{2}$$
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 rápida
[src]
-pi
x1 = ----
4
$$x_{1} = - \frac{\pi}{4}$$
3*pi
x2 = ----
4
$$x_{2} = \frac{3 \pi}{4}$$
x2 = 3*pi/4
Respuesta numérica
[src]
x1 = 30.6305281863893
x2 = 36.9137134309271
x3 = -35.3429178934093
x4 = -29.0597320982225
x5 = -98.1747703033985
x6 = 24.3473430043575
x7 = -51.0508806461775
x8 = -76.1836225361187
x9 = 40.0553062099627
x10 = 99.7455669089878
x11 = -16.4933611966261
x12 = 33.7721211721652
x13 = 5.49778738042301
x14 = -7.06858355298869
x15 = -57.3340661259123
x16 = -19.6349541554673
x17 = 49.4800845342934
x18 = 43.1968992294597
x19 = -66.7588439932285
x20 = -3.92699107594367
x21 = -82.4668069282144
x22 = -10.2101759860574
x23 = 68.3296401645238
x24 = -79.3252147038408
x25 = 96.6039739773235
x26 = 58.9048620635881
x27 = 80.8960105951638
x28 = 93.462381687851
x29 = -7.0685837201977
x30 = -60.4756583509459
x31 = 18.0641575837788
x32 = 58.9048620066655
x33 = -63.6172513149926
x34 = 65.1880478021829
x35 = -60.4756585174615
x36 = 90.3207887447523
x37 = -44.7676954314418
x38 = 14.9225649892472
x39 = 71.471233111112
x40 = -0.785398304611266
x41 = -44.7676950635734
x42 = -95.0331777492301
x43 = 11.7809725930891
x44 = 36.9137135281996
x45 = 87.1791963746667
x46 = 21.2057506565108
x47 = 52.6216767646073
x48 = 96.6039739212089
x49 = -13.3517689698773
x50 = -66.758843637313
x51 = -41.6261027352652
x52 = -95.0331780209134
x53 = 55.7632697006301
x54 = 55.7632697511726
x55 = -38.4845097737495
x56 = -22.7765468685351
x57 = -0.785397916651749
x58 = 2.35619442440536
x59 = -101.316363786262
x60 = 43.1968988259316
x61 = -29.0597322955756
x62 = -35.3429175479242
x63 = 62.0464548195549
x64 = 8.63937960822746
x65 = 74.6128253428807
x66 = -85.608399894653
x67 = 80.896010582516
x68 = 46.3384915843947
x69 = 14.9225648553046
x70 = -88.7499922112266
x71 = -73.0420294459387
x72 = -91.8915845717239
x73 = -22.7765464900166
x74 = 87.1791959595656
x75 = 77.7544183301131
x76 = -54.1924731445711
x77 = -88.7499925537801
x78 = -76.1836217239439
x79 = -96953.4762811184
x80 = 27.4889359573966
x81 = -73.0420291965934
x82 = -38.4845103583538
x83 = 84.0376034199549
x84 = 62.0464547256144
x85 = -51.0508808708243
x86 = 65.1880473923958
x87 = -32.2013245652766
x88 = 21.2057502602382
x88 = 21.2057502602382