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- La ecuación:
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Ecuación 7x+3=30-2x
-
Ecuación 7+x=4
-
Ecuación 3-3*6+2=x
-
Ecuación |x-2|+|x-4|=3
- Expresar {x} en función de y en la ecuación:
- 4*x+15*y=19
- 15*x+10*y=-4
- -2*x-14*y=7
- 12*x+14*y=-15
-
Expresiones idénticas
- sin(x)+cos(x-pi)- cero . cinco = cero
- seno de (x) más coseno de (x menos número pi ) menos 0.5 es igual a 0
- seno de (x) más coseno de (x menos número pi ) menos cero . cinco es igual a cero
- sinx+cosx-pi-0.5=0
- sin(x)+cos(x-pi)-0.5=O
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Expresiones semejantes
- sin(x)+cos(x+pi)-0.5=0
- sin(x)-cos(x-pi)-0.5=0
- sin(x)+cos(x-pi)+0.5=0
- sinx+cos(x-pi)-0.5=0
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Expresiones con funciones
- Seno sin
- sin(x^2)=0
- sin(x)=cos(x)
- sin(x)=3/2
- sin(5*x)=cos(4*x)
- sin(x)-1/2=0
- Coseno cos
- cos(x/2)=1/2
- cos(x)
- cos(y)(e^x)=0
- cosx=-0,25
- cos(x/2-1)=sqrt(3)/2
- Número Pi pi
- pi*sin(2*pi*x)/y
- pi*x/360-sin(x)/2=0,2*pi
- pi=x+1/2*sin(2*x)
- Pi*sin(2Pi*x)/y=0
- pi*pi*x=3*f*(x)
sin(x)+cos(x-pi)-0.5=0 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
sin(x) + cos(x - pi) - 1/2 = 0
$$\left(\sin{\left(x \right)} + \cos{\left(x - \pi \right)}\right) - \frac{1}{2} = 0$$
Respuesta rápida
[src]
/ ___\ x1 = -2*atan\2 - \/ 7 /
$$x_{1} = - 2 \operatorname{atan}{\left(2 - \sqrt{7} \right)}$$
/ ___\ x2 = -2*atan\2 + \/ 7 /
$$x_{2} = - 2 \operatorname{atan}{\left(2 + \sqrt{7} \right)}$$
x2 = -2*atan(2 + sqrt(7))
Suma y producto de raíces
[src]
suma
/ ___\ / ___\ - 2*atan\2 - \/ 7 / - 2*atan\2 + \/ 7 /
$$- 2 \operatorname{atan}{\left(2 + \sqrt{7} \right)} - 2 \operatorname{atan}{\left(2 - \sqrt{7} \right)}$$
=
/ ___\ / ___\ - 2*atan\2 + \/ 7 / - 2*atan\2 - \/ 7 /
$$- 2 \operatorname{atan}{\left(2 + \sqrt{7} \right)} - 2 \operatorname{atan}{\left(2 - \sqrt{7} \right)}$$
producto
/ ___\ / ___\ -2*atan\2 - \/ 7 /*-2*atan\2 + \/ 7 /
$$- 2 \operatorname{atan}{\left(2 - \sqrt{7} \right)} \left(- 2 \operatorname{atan}{\left(2 + \sqrt{7} \right)}\right)$$
=
/ ___\ / ___\ 4*atan\2 + \/ 7 /*atan\2 - \/ 7 /
$$4 \operatorname{atan}{\left(2 - \sqrt{7} \right)} \operatorname{atan}{\left(2 + \sqrt{7} \right)}$$
4*atan(2 + sqrt(7))*atan(2 - sqrt(7))
Respuesta numérica
[src]
x1 = 66.3974767648764
x2 = -52.9830440715357
x3 = 1.14676528730416
x4 = 63.9786183591
x5 = 19.9963212088429
x6 = 45.1290624375613
x7 = -2.71756161409905
x8 = 97.8134033007743
x9 = 26.2795065160225
x10 = 76.5449889734592
x11 = 89.1113595878184
x12 = -90.6821559146133
x13 = 7.42995059448374
x14 = 47.5479208433376
x15 = 28.6983649217989
x16 = 57.6954330519204
x17 = 38.8458771303817
x18 = 3.56562369308053
x19 = 51.4122477447408
x20 = 60.1142914576968
x21 = 13.7131359016633
x22 = -78.1157853002541
x23 = -99.3841996275692
x24 = 22.4151796146193
x25 = -27.8503028428174
x26 = 16.1319943074397
x27 = -21.5671175356378
x28 = -80.5346437060305
x29 = -30.2691612485938
x30 = -9.00074692127864
x31 = 660.881222541161
x32 = 91.5302179935947
x33 = 70.2618036662796
x34 = 41.264735536158
x35 = -5.13642001987543
x36 = 9.84880900026012
x37 = 361.707186202317
x38 = -67.9682730916713
x39 = -49.1187171701325
x40 = 32.5626918232021
x41 = -42.8355318629529
x42 = -61.6850877844917
x43 = -93.1010143203896
x44 = 34.9815502289785
x45 = 53.8311061505172
x46 = -59.2662293787153
x47 = -23.9859759414142
x48 = -15.2839322284582
x49 = -46.6998587643562
x50 = -71.8325999930745
x51 = -84.3989706074337
x52 = -36.5523465557734
x53 = -65.5494146858949
x54 = -11.419605327055
x55 = -55.4019024773121
x56 = 85.2470326864152
x57 = -17.7027906342346
x58 = 82.8281742806388
x59 = 72.680662072056
x60 = -86.8178290132101
x61 = -34.133488149997
x62 = -40.4166734571766
x63 = 95.3945448949979
x64 = -74.2514583988509
x65 = 78.9638473792356
x66 = -96.9653412217929
x67 = 104.096588607954
x67 = 104.096588607954