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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
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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
- Integral de d{x}:
- cos2x
- Derivada de:
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cos2x
- Gráfico de la función y =:
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cos2x
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Expresiones idénticas
- cos dos x=sinx(x+(pi/2))
- coseno de 2x es igual a seno de x(x más ( número pi dividir por 2))
- coseno de dos x es igual a seno de x(x más ( número pi dividir por 2))
- cos2x=sinxx+pi/2
- cos2x=sinx(x+(pi dividir por 2))
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Expresiones semejantes
- -3sinx-1+cos^2(x)=0
- cos(2x)=sqrt(3)/2
- cos^2(x)=(1/2)
- cos(2*x)+cos(8*x)-cos(6*x)=1
- cos^2x=1
- cos2x=sinx(x-(pi/2))
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Expresiones con funciones
- sinx
- Sinx=3
- sinx=6,2+2x
- Sinx^2-√3*sinx*cosx=0
- sinx*(cosx*sinx-1)=0
- sinx=-1,8
cos2x=sinx(x+(pi/2)) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
/ pi\
cos(2*x) = sin(x)*|x + --|
\ 2 /
$$\cos{\left(2 x \right)} = \left(x + \frac{\pi}{2}\right) \sin{\left(x \right)}$$
Respuesta numérica
[src]
x1 = -100.541067068763
x2 = -94.2585662162824
x3 = 6.4051526488917
x4 = 91.0953978351109
x5 = 94.2582127787475
x6 = -40.8152534478102
x7 = -2.62902014899199
x8 = 72.2430880011624
x9 = -47.1019462049044
x10 = -53.3877895811005
x11 = -72.2424862850349
x12 = -65.9579215319556
x13 = -34.5272271344885
x14 = 97.3792680452275
x15 = -18.9068916093259
x16 = -21.9422752014047
x17 = 25.1700418508167
x18 = 2.93667964841084
x19 = 34.5298577123014
x20 = -78.5268259264048
x21 = 9.33444852936001
x22 = -84.8109913968847
x23 = 47.1033608930914
x24 = -31.4493269466505
x25 = -91.0950193468714
x26 = -50.2859941000943
x27 = 28.2408588523362
x28 = 44.0042196656049
x29 = -9.29911822441083
x30 = 56.565859296889
x31 = 37.7245300226165
x32 = 15.6502491627715
x33 = 78.5273352194541
x34 = 31.4461632435564
x35 = 62.8473697912497
x36 = 69.1291774719832
x37 = 59.6739404569256
x38 = 81.6934157809242
x39 = 0.380349813266025
x40 = 53.3888909860245
x41 = 50.2847536672937
x42 = 75.411209718781
x43 = -62.8481643508948
x44 = -69.129834307017
x45 = -15.6375196327745
x46 = -59.673058720556
x47 = 40.8171368975574
x48 = -81.6938862279734
x49 = 100.540756404757
x50 = -75.4117617540019
x51 = -44.0058386390239
x52 = -97.378936818618
x53 = 84.8114280339335
x54 = 21.9487707250247
x55 = 18.8981984728022
x56 = -87.9761648149742
x57 = -25.1749681741918
x58 = -28.2369292961472
x59 = -12.6552813154357
x60 = -37.7267311453088
x61 = -113.106299963346
x62 = -56.5668398831853
x63 = 65.9586433174553
x64 = -6.47367344800384
x65 = 87.9757591238783
x66 = 12.6361313913064
x66 = 12.6361313913064