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- La ecuación:
-
Ecuación cos(x)=-(1/2)
-
Ecuación 2x^2-18=0
-
Ecuación x^2+8*x+15=0
-
Ecuación cos(x)=(4/5)
- Expresar {x} en función de y en la ecuación:
- -5*x+2*y=-14
- 1*x-5*y=-17
- 4*x+3*y=-15
- 10*x-1*y=10
-
Expresiones idénticas
- cos2x*sin3x-sin2x*cos3x= uno
- coseno de 2x multiplicar por seno de 3x menos seno de 2x multiplicar por coseno de 3x es igual a 1
- coseno de 2x multiplicar por seno de 3x menos seno de 2x multiplicar por coseno de 3x es igual a uno
- cos2xsin3x-sin2xcos3x=1
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Expresiones semejantes
- cos2x*sin3x+sin2x*cos3x=1
cos2x*sin3x-sin2x*cos3x=1 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
cos(2*x)*sin(3*x) - sin(2*x)*cos(3*x) = 1
$$- \sin{\left(2 x \right)} \cos{\left(3 x \right)} + \sin{\left(3 x \right)} \cos{\left(2 x \right)} = 1$$
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 = -67.5442420547782
x2 = 95.8185764110282
x3 = 45.5530929823099
x4 = 45.553093730794
x5 = 95.8185759975842
x6 = -23.5619449492902
x7 = 32.9867225164981
x8 = -29.8451297624452
x9 = -48.6946857788076
x10 = -36.1283153448593
x11 = 76.9690196732095
x12 = -80.1106124650157
x13 = 64.4026499096387
x14 = 58.1194643979608
x15 = 26.7035387715281
x16 = 89.5353901350773
x17 = -73.8274277616689
x18 = -86.3937977431483
x19 = -36.1283154173375
x20 = -42.4115013226904
x21 = 20.420352160156
x22 = 7.85398174307326
x23 = 64.4026492731727
x24 = 45.5530922954328
x25 = 70.6858344802043
x26 = -77664.8827844698
x27 = -86.3937984749131
x28 = -61.2610562447228
x29 = -4.71238862219396
x30 = 89.5353893728458
x31 = 14.1371671100222
x32 = -10.9955746401247
x33 = 58.119464520069
x34 = 102.101760799573
x35 = -92.6769829355125
x36 = 95.8185760629547
x37 = -61.2610569934486
x38 = -80.1106131679426
x39 = -4.71238942125338
x40 = 1.57079657289894
x41 = 32.9867233134552
x42 = -80.1106125781572
x43 = -73.8274269047688
x44 = -42.4115017818136
x45 = -54.9778709962906
x46 = 14.1371665172699
x47 = 1.57079769954017
x48 = -42.4115005850814
x49 = -10.9955738413568
x50 = -98.9601689530982
x51 = 3017.49974516795
x52 = -73.8274272798455
x53 = -86.3937988139119
x54 = 76.9690204681432
x55 = 7.85398177249874
x56 = 51.8362782775539
x57 = 20.4203521477756
x58 = -23.5619443878998
x59 = 89.535390888605
x60 = -92.6769837307794
x61 = 39.2699085343272
x62 = 7.85398112872719
x63 = -48.6946865760795
x64 = -98.9601681513438
x65 = 39.2699077336963
x66 = -29.8451306226524
x67 = 95.8185754266891
x68 = -17.2787590920677
x69 = -23.5619450115115
x70 = 70.6858358251975
x71 = -29.8451300954883
x72 = -67.5442421706656
x73 = 26.7035380604159
x74 = 64.4026493072124
x75 = 70.6858352127237
x76 = 14.1371673791846
x77 = -17.2787583315643
x78 = -17.2787598356363
x79 = 1.57079582971902
x80 = -61.2610555612794
x81 = -54.9778717966574
x82 = 1.57079525114023
x83 = 51.8362789031518
x84 = 20.4203527610188
x85 = 83.252204888767
x86 = 58.1194636580315
x87 = 26.703537322248
x88 = -36.1283160197768
x89 = 83.2522056907544
x90 = -67.5442415371049
x91 = 51.8362788867584
x91 = 51.8362788867584