Sr Examen
Otras calculadoras
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¿Cómo usar?
- La ecuación:
-
Ecuación 1+sin(x)=0
-
Ecuación x^4=(4x-21)^2
-
Ecuación (x+2)/9=(x-3)/2
-
Ecuación 25*x^3-10*x^2+x=0
- Expresar {x} en función de y en la ecuación:
- 10*x-18*y=3
- 16*x+7*y=8
- 18*x-8*y=-2
- -11*x+10*y=-9
- Derivada de:
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sin(2*x)+cos(2*x)
-
-1
- Gráfico de la función y =:
-
sin(2*x)+cos(2*x)
- Límite de la función:
-
-1
- Forma canónica:
- -1
-
Expresiones idénticas
- sin(dos *x)+cos(dos *x)=- uno
- seno de (2 multiplicar por x) más coseno de (2 multiplicar por x) es igual a menos 1
- seno de (dos multiplicar por x) más coseno de (dos multiplicar por x) es igual a menos uno
- sin(2x)+cos(2x)=-1
- sin2x+cos2x=-1
-
Expresiones semejantes
- 2sin^2x+cos^2x-3sinx-5=0
- 10*sin^2x+cos^2x+5*sin^2x*cos^2x=3
- sin(2*x)+cos(2*x)=+1
- sin(2*x)-cos(2*x)=-1
- sin2x+cos2x=√2sinx
-
Expresiones con funciones
- Seno sin
- sin(x/3)=1/2
- sin(x)=4
- sin^24𝑥−sin4𝑥−2=0
- sin(3*x)=cos(2*x)
- sin2x=0
- Coseno cos
- cos(x^2)=0
- cos(3*x)=0
- cos(x)=-0,5
- cos(2*x)+cos(x)=0
- cos(8*pi*x/6)=sqrt(3)/2
sin(2*x)+cos(2*x)=-1 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
sin(2*x) + cos(2*x) = -1
$$\sin{\left(2 x \right)} + \cos{\left(2 x \right)} = -1$$
Suma y producto de raíces
[src]
suma
-pi ---- 4
$$- \frac{\pi}{4}$$
=
-pi ---- 4
$$- \frac{\pi}{4}$$
producto
-pi ---- 4
$$- \frac{\pi}{4}$$
=
-pi ---- 4
$$- \frac{\pi}{4}$$
-pi/4
Respuesta numérica
[src]
x1 = 4.71238898038469
x2 = 40.0553063332699
x3 = -3.92699081698724
x4 = -80.1106126665397
x5 = -88.7499924639117
x6 = 99.7455667514759
x7 = -54.1924732744239
x8 = -23.5619449019235
x9 = 26.7035375555132
x10 = -73.8274273593601
x11 = -36.1283155162826
x12 = 32.9867228626928
x13 = -91.8915851175014
x14 = 86.3937979737193
x15 = 18.0641577581413
x16 = 225.409272895068
x17 = -39.2699081698724
x18 = 48.6946861306418
x19 = -560.774288665778
x20 = 62.0464549083984
x21 = 70.6858347057703
x22 = 49.4800842940392
x23 = 2.35619449019234
x24 = 10.9955742875643
x25 = 42.4115008234622
x26 = -67.5442420521806
x27 = 14.1371669411541
x28 = -7.85398163397448
x29 = -148.440252882118
x30 = 80.1106126665397
x31 = -32.2013246992954
x32 = 77.7544181763474
x33 = -76.1836218495525
x34 = 93.4623814442964
x35 = -29.845130209103
x36 = -47.9092879672443
x37 = -41.6261026600648
x38 = -69.9004365423729
x39 = 68.329640215578
x40 = -25.9181393921158
x41 = -189.280957378785
x42 = -10.2101761241668
x43 = -83.2522053201295
x44 = 24.3473430653209
x45 = 55.7632696012188
x46 = 98.9601685880785
x47 = 51.8362787842316
x48 = 95.8185759344887
x49 = -95.8185759344887
x50 = -17.2787595947439
x51 = 71.4712328691678
x52 = -85.6083998103219
x53 = -98.174770424681
x54 = 58.1194640914112
x55 = 29.845130209103
x56 = -38.484510006475
x57 = -60.4756585816035
x58 = 92.6769832808989
x59 = -63.6172512351933
x60 = -58.1194640914112
x61 = 46.3384916404494
x62 = 5.49778714378214
x63 = 36.1283155162826
x64 = -19.6349540849362
x65 = -45.553093477052
x66 = 54.9778714378214
x67 = 27.4889357189107
x68 = -14.1371669411541
x69 = -16.4933614313464
x70 = -82.4668071567321
x71 = 33.7721210260903
x72 = 76.9690200129499
x73 = 84.037603483527
x74 = -61.261056745001
x75 = 20.4203522483337
x76 = 90.3207887907066
x77 = -51.8362787842316
x78 = 64.4026493985908
x79 = 73.8274273593601
x80 = -1.5707963267949
x81 = 11.7809724509617
x82 = 7.85398163397448
x83 = -89.5353906273091
x83 = -89.5353906273091
Gráfico