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- La ecuación:
-
Ecuación -x+7=0
-
Ecuación x+(x/4)=-5
- Ecuación z^4-81=0
-
Ecuación z^3=8
- Expresar {x} en función de y en la ecuación:
- -18*x-8*y=-18
- -13*x+12*y=-19
- -1*x+11*y=-9
- 16*x-11*y=13
- Forma canónica:
- cos(x)*sin(x)
- Derivada de:
-
cos(x)*sin(x)
-
-1/2
- Gráfico de la función y =:
-
cos(x)*sin(x)
- Integral de d{x}:
- -1/2
- Suma de la serie:
-
-1/2
-
Expresiones idénticas
- cos(x)*sin(x)=- uno / dos
- coseno de (x) multiplicar por seno de (x) es igual a menos 1 dividir por 2
- coseno de (x) multiplicar por seno de (x) es igual a menos uno dividir por dos
- cos(x)sin(x)=-1/2
- cosxsinx=-1/2
- cos(x)*sin(x)=-1 dividir por 2
-
Expresiones semejantes
- (7/10)/(Abs(3-(1/2)*x))=1/5
- (13/5)*x-(1/5)*(3*x-9)=-(1/2)*(2*x+6)
- 2cosxsinx-4(cosx)^2+4*(sinx)^2=0
- x+1/(1-cos(2*x))=1/((1-cos(2x))(x-(1/2)sin(2x))^(2))
- cos(x)*sin(x)=+1/2
- -(1/2)^(3*x+1)+(1/2)^(3*x+2)+(1/2)^3*x=3/4
- cosx*sinx=-1/2
-
Expresiones con funciones
- Coseno cos
- cos(3*x)-cos(7x)=0
- cos(x)+cos(2*x)+cos(3*x)=3
- cos(x)=cos(4)
- cos^2(x)=0.1*e^x
- cos12x+cos4x=0
- Seno sin
- sin(x-y)=cos(x+y)
- sin(x+2)-x^2+2*x-1=0
- sin(x)=(√10−1)/2
- sin(2x)+sin(x)=0
- sin^2(2x)-sqrt(3)*sin(2*x)+2-cos^2(x)-sin(x)=0
cos(x)*sin(x)=-1/2 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
cos(x)*sin(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 = 43.1968988259316
x2 = -95.0331780209134
x3 = 87.1791963746667
x4 = 65.1880478021829
x5 = 36.9137134309271
x6 = -22.7765464900166
x7 = 68.3296401645238
x8 = 40.0553062099627
x9 = 49.4800845342934
x10 = -66.758843637313
x11 = 27.4889359573966
x12 = 80.896010582516
x13 = 33.7721211721652
x14 = -88.7499922112266
x15 = -51.0508806461775
x16 = 84.0376034199549
x17 = 80.8960105951638
x18 = 52.6216767646073
x19 = 65.1880473923958
x20 = -0.785397916651749
x21 = 2.35619442440536
x22 = 87.1791959595656
x23 = -91.8915845717239
x24 = 99.7455669089878
x25 = -98.1747703033985
x26 = 58.9048620066655
x27 = -29.0597322955756
x28 = 55.7632697511726
x29 = 24.3473430043575
x30 = 46.3384915843947
x31 = 62.0464547256144
x32 = -44.7676954314418
x33 = -63.6172513149926
x34 = 14.9225648553046
x35 = -54.1924731445711
x36 = 62.0464548195549
x37 = -0.785398304611266
x38 = -41.6261027352652
x39 = -44.7676950635734
x40 = 11.7809725930891
x41 = -10.2101759860574
x42 = 90.3207887447523
x43 = -38.4845097737495
x44 = 14.9225649892472
x45 = -76.1836225361187
x46 = -22.7765468685351
x47 = 93.462381687851
x48 = 5.49778738042301
x49 = 74.6128253428807
x50 = -85.608399894653
x51 = -88.7499925537801
x52 = -19.6349541554673
x53 = -79.3252147038408
x54 = -7.06858355298869
x55 = 8.63937960822746
x56 = -66.7588439932285
x57 = -3.92699107594367
x58 = -51.0508808708243
x59 = -16.4933611966261
x60 = 96.6039739212089
x61 = 71.471233111112
x62 = -60.4756583509459
x63 = -101.316363786262
x64 = -35.3429175479242
x65 = -35.3429178934093
x66 = -13.3517689698773
x67 = 96.6039739773235
x68 = -29.0597320982225
x69 = 77.7544183301131
x70 = -73.0420294459387
x71 = -96953.4762811184
x72 = 21.2057502602382
x73 = 55.7632697006301
x74 = -73.0420291965934
x75 = -82.4668069282144
x76 = 36.9137135281996
x77 = -7.0685837201977
x78 = 43.1968992294597
x79 = -32.2013245652766
x80 = -60.4756585174615
x81 = -76.1836217239439
x82 = 18.0641575837788
x83 = 21.2057506565108
x84 = -57.3340661259123
x85 = -38.4845103583538
x86 = 30.6305281863893
x87 = -95.0331777492301
x88 = 58.9048620635881
x88 = 58.9048620635881