Sr Examen
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- La ecuación:
-
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
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Expresiones idénticas
- |cosx+sinx|=sqrt(dos)sin(2x)
- módulo de coseno de x más seno de x| es igual a raíz cuadrada de (2) seno de (2x)
- módulo de coseno de x más seno de x| es igual a raíz cuadrada de (dos) seno de (2x)
- |cosx+sinx|=√(2)sin(2x)
- |cosx+sinx|=sqrt2sin2x
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Expresiones semejantes
- sqr(4sin(x+7pi/8))+sqrt(2)*sin2x=1
- sin(3*x)+cos(3*x)=1/sqrt(2)sin2x
- |cosx-sinx|=sqrt(2)sin(2x)
- cosx+sinx=sqrt2*sin(2x)
- 49^sin(x)=(1/7)^(-sqrt2)*sin(2*x)
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Expresiones con funciones
- cosx
- cosx+sinx=sqrt2*sin(2x)
- cosx=8^(-1/6)
- Cosx-cos2x-sin3x=0
- cosx-1=1
- cosx=ctgП/4
- sinx
- Sinx=3
- sinx=6,2+2x
- Sinx^2-√3*sinx*cosx=0
- sinx*(cosx*sinx-1)=0
- sinx=-1,8
- Raíz cuadrada sqrt
- sqrt(x-1)=x-3
- sqrt(x+6)=x
- sqrt(16-4*x)=2
- sqrt(12-x)=x
- sqrt(5/(15-x))=1
- Seno sin
- sin(x)=pi
- sin(4*x)=0
- sin(x)^2=1
- sin(x)=(1/2)
- sin(x)=0,5
- Módulo |
- ||x|-3|=5
- |x-5|=7
- ||x|-9|=3
- |x-3|=4
- ||x|-2|=6
|cosx+sinx|=sqrt(2)sin(2x) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
___ |cos(x) + sin(x)| = \/ 2 *sin(2*x)
$$\left|{\sin{\left(x \right)} + \cos{\left(x \right)}}\right| = \sqrt{2} \sin{\left(2 x \right)}$$
Respuesta numérica
[src]
x1 = -40.0553062824581
x2 = 44.767695101294
x3 = -49.480084435539
x4 = -14.9225652465121
x5 = 95.0331776077497
x6 = 51.0508803268223
x7 = 79.3252147191893
x8 = -30.6305281490578
x9 = 95.0331777434594
x10 = 38.4845098795841
x11 = 82.4668070375072
x12 = -27.488935868056
x13 = 66.7588436777808
x14 = -2.35619430048331
x15 = -43.1968992034884
x16 = -52.6216767233256
x17 = 7.06858328355078
x18 = 13.3517689988948
x19 = 95.0331773494352
x20 = 91.8915852027224
x21 = -77.7544181730278
x22 = -90.3207886120588
x23 = -36.913713782417
x24 = -46.338491456116
x25 = -80.8960109021417
x26 = 19.6349542772148
x27 = 63.6172514323696
x28 = 25.9181394611481
x29 = -36.9137137816612
x30 = -74.6128252977748
x31 = 60.4756584585156
x32 = 35.3429175725573
x33 = -65.1880477793705
x34 = 29.0597318080731
x35 = -19391866.2847813
x36 = 16.4933613007128
x37 = 3.92699088021182
x38 = 51.0508804736345
x39 = -99.7455667547328
x40 = 10.2101761577005
x41 = 0.785397948661444
x42 = -21.2057506274761
x43 = -93.4623815927347
x44 = -33.7721210085934
x45 = -14.9225652202339
x46 = -8.63937957498074
x47 = -5.49778727809839
x48 = 7.06858334326287
x49 = 85.6084000098241
x50 = -87.1791963551168
x51 = 69.9004366223805
x52 = 29.0597319079278
x53 = -102.887159554123
x54 = -58.9048623213723
x55 = -18.064158514837
x56 = 41.6261028548328
x57 = 76.1836219129428
x58 = 32.2013247418216
x59 = 73.0420290402737
x60 = -18.0641577009774
x61 = -62.0464548642789
x62 = -84.0376034465014
x63 = 57.3340661459936
x64 = -24.3473428782605
x65 = -55.7632695910014
x66 = 22.7765465249196
x67 = -27.4889357374006
x68 = 98.1747705005507
x69 = -96.6039738723965
x70 = -11.7809724257265
x71 = -68.329640034049
x72 = -71.4712330141677
x73 = -49.4800842045119
x74 = 88.749992254376
x75 = -80.896010865123
x76 = -58.9048623431179
x77 = 47.9092880418626
x78 = -27.4889358568491
x79 = 54.1924733268186
x80 = -55.7632697912781
x81 = 73.0420288401027
x81 = 73.0420288401027