Sr Examen
Otras calculadoras
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¿Cómo usar?
- La ecuación:
-
Ecuación (x+9)^2=36*x
-
Ecuación a+120=2000/5
-
Ecuación -x/11+x=50/11
-
Ecuación x^2+7x+6=0
- Expresar {x} en función de y en la ecuación:
- 12*x+8*y=18
- 8*x+6*y=20
- -2*x+18*y=13
- -11*x-1*y=15
-
Expresiones idénticas
- dos *sin(dos *x)*cos(cuatro *x)= uno -sin(x)^(dos)-cos(x)^(dos)
- 2 multiplicar por seno de (2 multiplicar por x) multiplicar por coseno de (4 multiplicar por x) es igual a 1 menos seno de (x) en el grado (2) menos coseno de (x) en el grado (2)
- dos multiplicar por seno de (dos multiplicar por x) multiplicar por coseno de (cuatro multiplicar por x) es igual a uno menos seno de (x) en el grado (dos) menos coseno de (x) en el grado (dos)
- 2*sin(2*x)*cos(4*x)=1-sin(x)(2)-cos(x)(2)
- 2*sin2*x*cos4*x=1-sinx2-cosx2
- 2sin(2x)cos(4x)=1-sin(x)^(2)-cos(x)^(2)
- 2sin(2x)cos(4x)=1-sin(x)(2)-cos(x)(2)
- 2sin2xcos4x=1-sinx2-cosx2
- 2sin2xcos4x=1-sinx^2-cosx^2
-
Expresiones semejantes
- 2*sin(2*x)*cos(4*x)=1+sin(x)^(2)-cos(x)^(2)
- 2*sin(2*x)*cos(4*x)=1-sin(x)^(2)+cos(x)^(2)
- 2*sin(2*x)*cos(4*x)=1-sinx^(2)-cosx^(2)
-
Expresiones con funciones
- Seno sin
- sin(x)=1.5
- sin(sin(x))=1
- sin(x)=-0.5
- sin(-x)=1/2
- sin(x)^2=3/4
- Coseno cos
- cos(x)+sin(3x)=0
- cos(x)=2*x
- cos(2x)-3*cos(x)+2=0
- cos^2x+cos^22*x-cos^23*x-cos^24*x=0
- cos(m/3+x)=1/2
- Seno sin
- sin(x)=1.5
- sin(sin(x))=1
- sin(x)=-0.5
- sin(-x)=1/2
- sin(x)^2=3/4
- Coseno cos
- cos(x)+sin(3x)=0
- cos(x)=2*x
- cos(2x)-3*cos(x)+2=0
- cos^2x+cos^22*x-cos^23*x-cos^24*x=0
- cos(m/3+x)=1/2
2*sin(2*x)*cos(4*x)=1-sin(x)^(2)-cos(x)^(2) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
2 2 2*sin(2*x)*cos(4*x) = 1 - sin (x) - cos (x)
$$2 \sin{\left(2 x \right)} \cos{\left(4 x \right)} = \left(1 - \sin^{2}{\left(x \right)}\right) - \cos^{2}{\left(x \right)}$$
Respuesta rápida
[src]
x1 = 0
$$x_{1} = 0$$
-pi
x2 = ----
8
$$x_{2} = - \frac{\pi}{8}$$
pi
x3 = --
8
$$x_{3} = \frac{\pi}{8}$$
x3 = pi/8
Suma y producto de raíces
[src]
suma
pi pi - -- + -- 8 8
$$- \frac{\pi}{8} + \frac{\pi}{8}$$
=
0
$$0$$
producto
-pi pi 0*----*-- 8 8
$$\frac{\pi}{8} \cdot 0 \left(- \frac{\pi}{8}\right)$$
=
0
$$0$$
0
Respuesta numérica
[src]
x1 = 67.9369411338793
x2 = -2.74889357189107
x3 = 52.2289778659303
x4 = -21.9911485751286
x5 = -13.7444678594553
x6 = 82.0741080750334
x7 = 50.2654824574367
x8 = 1.96349540849362
x9 = -64.009950316892
x10 = -20.0276531666349
x11 = -49.872783375738
x12 = 23.9546439836222
x13 = 60.0829594999048
x14 = -9.8174770424681
x15 = 96.2112750161874
x16 = -56.1559686829176
x17 = 4.31968989868597
x18 = 42.0188017417635
x19 = 0.0
x20 = 56.1559686829176
x21 = 43.9822971502571
x22 = -43.9822971502571
x23 = -67.9369411338793
x24 = -24.7400421470196
x25 = -100.138265833175
x26 = 74.2201264410589
x27 = -12.1736715326604
x28 = -89.9280897090078
x29 = 12.1736715326604
x30 = -79.717913584841
x31 = -65.9734457253857
x32 = 92.2842841992002
x33 = 70.2931356240716
x34 = 45.9457925587507
x35 = 40.8407044966673
x36 = -87.9645943005142
x37 = 18.8495559215388
x38 = -34.164820107789
x39 = -59.2975613365073
x40 = -5.89048622548086
x41 = 53.4070751110265
x42 = 87.9645943005142
x43 = 48.3019870489431
x44 = -1.96349540849362
x45 = -73.8274273593601
x46 = -57.7267650097125
x47 = 31.4159265358979
x48 = 72.2566310325652
x49 = -17.6714586764426
x50 = -35.7356164345839
x51 = -86.0010988920206
x52 = 64.009950316892
x53 = -78.1471172580461
x54 = -29.845130209103
x55 = -82.0741080750334
x56 = 30.2378292908018
x57 = 89.9280897090078
x58 = 62.4391539900971
x59 = -27.8816348006094
x60 = 28.2743338823081
x61 = -93.8550805259951
x62 = -88.3572933822129
x63 = -51.8362787842316
x64 = 8.24668071567321
x65 = 84.4303025652257
x66 = 9.8174770424681
x67 = -97.7820713429823
x68 = 38.0918109247762
x69 = 94.2477796076938
x70 = 21.9911485751286
x71 = -23.9546439836222
x72 = -15.707963267949
x73 = -7.85398163397448
x74 = 26.3108384738145
x75 = 65.9734457253857
x76 = -75.7909227678538
x77 = 14.1371669411541
x78 = -31.8086256175967
x79 = -53.7997741927252
x80 = 80.1106126665397
x81 = 16.1006623496477
x82 = -39.6626072515711
x83 = 96.9966731795849
x84 = 36.1283155162826
x85 = 34.164820107789
x86 = -95.8185759344887
x87 = -83.6449044018282
x88 = 6.28318530717959
x89 = -42.0188017417635
x90 = 86.0010988920206
x91 = -45.9457925587507
x92 = 20.0276531666349
x93 = -71.8639319508665
x94 = -61.6537558266997
x95 = 75.398223686155
x96 = -37.6991118430775
x97 = 100.138265833175
x98 = 58.1194640914112
x99 = -47.1238898038469
x100 = 78.1471172580461
x100 = 78.1471172580461