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- La ecuación:
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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
- (cos(x)- uno)/cos(x)+ dos *sin(x)*cot(x)= cero
- ( coseno de (x) menos 1) dividir por coseno de (x) más 2 multiplicar por seno de (x) multiplicar por cotangente de (x) es igual a 0
- ( coseno de (x) menos uno) dividir por coseno de (x) más dos multiplicar por seno de (x) multiplicar por cotangente de (x) es igual a cero
- (cos(x)-1)/cos(x)+2sin(x)cot(x)=0
- cosx-1/cosx+2sinxcotx=0
- (cos(x)-1)/cos(x)+2*sin(x)*cot(x)=O
- (cos(x)-1) dividir por cos(x)+2*sin(x)*cot(x)=0
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Expresiones semejantes
- (cos(x)+1)/cos(x)+2*sin(x)*cot(x)=0
- (cos(x)-1)/cos(x)-2*sin(x)*cot(x)=0
- (cosx-1)/cosx+2*sinx*cot(x)=0
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Expresiones con funciones
- Coseno cos
- cos(x)=-3
- cos(0.5-y)-0.5y+2=0
- cos(7*x)+cos(x)=0
- cos(2*x-pi/4)=0
- cos(x)=-(2/5)
- Coseno cos
- cos(x)=-3
- cos(0.5-y)-0.5y+2=0
- cos(7*x)+cos(x)=0
- cos(2*x-pi/4)=0
- cos(x)=-(2/5)
- Seno sin
- sin(x)=1/3
- sin(6*x)=9/8
- sin(2x)=-1/2
- sin(3*x)-cos(3*x)=0
- sin(x)^(2)-sin(x)=0
- Cotangente cot
- cot(x)=5
- cot(x)=-5
- cot(4*(x+2*pi)/3)=-sqrt(3)
- cot(x+pi/6)=-1/sqrt(3)
- cotan(x)=1
(cos(x)-1)/cos(x)+2*sin(x)*cot(x)=0 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
cos(x) - 1 ---------- + 2*sin(x)*cot(x) = 0 cos(x)
$$\frac{\cos{\left(x \right)} - 1}{\cos{\left(x \right)}} + 2 \sin{\left(x \right)} \cot{\left(x \right)} = 0$$
Suma y producto de raíces
[src]
suma
pi pi - -- + -- 3 3
$$- \frac{\pi}{3} + \frac{\pi}{3}$$
=
0
$$0$$
producto
-pi pi ----*-- 3 3
$$- \frac{\pi}{3} \frac{\pi}{3}$$
=
2 -pi ----- 9
$$- \frac{\pi^{2}}{9}$$
-pi^2/9
Respuesta rápida
[src]
-pi
x1 = ----
3
$$x_{1} = - \frac{\pi}{3}$$
pi
x2 = --
3
$$x_{2} = \frac{\pi}{3}$$
x2 = pi/3
Respuesta numérica
[src]
x1 = -24.0855436775217
x2 = 3.14159208128483
x3 = 32.4631240870945
x4 = 53.4070754785475
x5 = 101.57816246607
x6 = -57.5958653158129
x7 = -32.4631240870945
x8 = 47.1238904231981
x9 = -74.3510261349584
x10 = 76.4454212373516
x11 = 59.6902606198205
x12 = 97.3893726407633
x13 = -91.1061873190615
x14 = 91.1061875962311
x15 = -3.14159299566395
x16 = -577455.098458789
x17 = -84.8230022602371
x18 = -9.42477814369344
x19 = 42.9350995990605
x20 = -30.3687289847013
x21 = 3.14159325142243
x22 = 84.8230013267706
x23 = -7.33038285837618
x24 = -53.4070753032199
x25 = 65.9734457530375
x26 = -21.9911485864351
x27 = 80.634211442138
x28 = -97.3893724627864
x29 = 15.7079634599512
x30 = -78.5398160064792
x31 = 28.2743338651651
x32 = -99.4837673636768
x33 = -84.8230010888273
x34 = -13.6135681655558
x35 = -49.2182849062401
x36 = 19.8967534727354
x37 = -34.5575188450499
x38 = -34.5575189735568
x39 = 91.106186418896
x40 = -59.6902604579095
x41 = 40.8407041656635
x42 = 63.8790506229925
x43 = 68.0678408277789
x44 = 74.3510261349584
x45 = 57.5958653158129
x46 = -80.634211442138
x47 = -72.256630859799
x48 = -61.7846555205993
x49 = -11.5191730631626
x50 = 26.1799387799149
x51 = -65.9734457648674
x52 = -84.8230022218876
x53 = 47.1238892505338
x54 = -19.8967534727354
x55 = 21.9911485852123
x56 = -68.0678408277789
x57 = 78.5398161752793
x58 = -40.8407039192169
x59 = 72.2566310277167
x60 = -70.162235930172
x61 = 36.6519142918809
x62 = -28.2743336999164
x63 = 70.162235930172
x64 = -17.8023583703422
x65 = -5.23598775598299
x66 = 9.42477831661805
x67 = -55.5014702134197
x68 = 24.0855436775217
x69 = -40.840705088939
x70 = -63.8790506229925
x71 = -15.7079632966475
x72 = 34.5575190158029
x73 = 61.7846555205993
x74 = 17.8023583703422
x75 = -26.1799387799149
x76 = 30.3687289847013
x77 = -47.1238901572318
x77 = -47.1238901572318