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- La ecuación:
-
Ecuación x^3-x^2-x-1=0
-
Ecuación 12-4(x-3)=39-9x
-
Ecuación 0,2x+2,7=1,4-1,1x
-
Ecuación x^2=2x+8
- Expresar {x} en función de y en la ecuación:
- -11*x-14*y=-3
- -9*x-1*y=6
- -2*x+2*y=4
- -11*x-3*y=14
-
Expresiones idénticas
- sin2xcosx-sinxcos2x= uno
- seno de 2x coseno de x menos seno de x coseno de 2x es igual a 1
- seno de 2x coseno de x menos seno de x coseno de 2x es igual a uno
-
Expresiones semejantes
- sin2xcosx+sinxcos2x=1
sin2xcosx-sinxcos2x=1 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
sin(2*x)*cos(x) - sin(x)*cos(2*x) = 1
$$- \sin{\left(x \right)} \cos{\left(2 x \right)} + \sin{\left(2 x \right)} \cos{\left(x \right)} = 1$$
Suma y producto de raíces
[src]
suma
pi -- 2
$$\frac{\pi}{2}$$
=
pi -- 2
$$\frac{\pi}{2}$$
producto
pi -- 2
$$\frac{\pi}{2}$$
=
pi -- 2
$$\frac{\pi}{2}$$
pi/2
Respuesta numérica
[src]
x1 = -61.2610555612794
x2 = 32.9867225164981
x3 = 14.1371665172699
x4 = 89.5353893728458
x5 = 64.4026492731727
x6 = 32.9867233134552
x7 = -80.1106124650157
x8 = 51.8362789031518
x9 = -23.5619450115115
x10 = -61.2610562447228
x11 = 45.5530929823099
x12 = -98.9601681513438
x13 = -17.2787583315643
x14 = 45.5530922954328
x15 = 58.1194643979608
x16 = -17.2787590920677
x17 = 7.85398177249874
x18 = -92.6769837307794
x19 = 20.420352160156
x20 = 70.6858358251975
x21 = 51.8362788867584
x22 = 76.9690196732095
x23 = -98.9601689530982
x24 = -80.1106131679426
x25 = 64.4026499096387
x26 = 3017.49974516753
x27 = -36.1283153448593
x28 = 14.1371671100222
x29 = -77664.8827844698
x30 = 1.57079582971902
x31 = 45.553093730794
x32 = -4.71238942125338
x33 = 20.4203527610188
x34 = -92.6769829355125
x35 = -29.8451300954883
x36 = -61.2610569934486
x37 = 14.1371673791846
x38 = 58.119464520069
x39 = 1.57079769954017
x40 = 95.8185759975842
x41 = -29.8451306226524
x42 = -73.8274269047688
x43 = 95.8185760629547
x44 = -10.9955746401247
x45 = -86.3937977431483
x46 = -86.3937988139119
x47 = 1.57079657289894
x48 = -42.4115005850814
x49 = 89.535390888605
x50 = -36.1283160197768
x51 = 89.5353901350773
x52 = -48.6946857788076
x53 = 51.8362782775539
x54 = -67.5442421706656
x55 = -4.71238862219396
x56 = -23.5619443878998
x57 = 76.9690204681432
x58 = -80.1106125781572
x59 = -29.8451297624452
x60 = -42.4115017818136
x61 = 70.6858344802043
x62 = -73.8274272798455
x63 = 70.6858352127237
x64 = 95.8185764110282
x65 = -17.2787598356363
x66 = 95.8185754266891
x67 = 83.252204888767
x68 = -73.8274277616689
x69 = -86.3937984749131
x70 = 20.4203521477756
x71 = -48.6946865760795
x72 = 26.7035387715281
x73 = 26.7035380604159
x74 = -54.9778709962906
x75 = 64.4026493072124
x76 = -36.1283154173375
x77 = 1.57079525114023
x78 = 102.101760799573
x79 = -67.5442415371049
x80 = 58.1194636580315
x81 = 39.2699077336963
x82 = 7.85398112872719
x83 = 39.2699085343272
x84 = -67.5442420547782
x85 = 83.2522056907544
x86 = -42.4115013226904
x87 = -10.9955738413568
x88 = -23.5619449492902
x89 = 26.703537322248
x90 = 7.85398174307326
x91 = -54.9778717966574
x91 = -54.9778717966574