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Otras calculadoras
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- La ecuación:
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Ecuación 2x^2-x-1=x^2-5x-(-1-x^2)
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Ecuación x(x^2+2x+1)=6(x+1)
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Ecuación 4x+1=-3x+15
- Ecuación (3x−36)⋅(x+8)=0
- 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
- y= dos *t*sin(t)-(t^ dos - dos)*cos(t)
- y es igual a 2 multiplicar por t multiplicar por seno de (t) menos (t al cuadrado menos 2) multiplicar por coseno de (t)
- y es igual a dos multiplicar por t multiplicar por seno de (t) menos (t en el grado dos menos dos) multiplicar por coseno de (t)
- y=2*t*sin(t)-(t2-2)*cos(t)
- y=2*t*sint-t2-2*cost
- y=2*t*sin(t)-(t²-2)*cos(t)
- y=2*t*sin(t)-(t en el grado 2-2)*cos(t)
- y=2tsin(t)-(t^2-2)cos(t)
- y=2tsin(t)-(t2-2)cos(t)
- y=2tsint-t2-2cost
- y=2tsint-t^2-2cost
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Expresiones semejantes
- y=2*t*sin(t)+(t^2-2)*cos(t)
- y=2*t*sin(t)-(t^2+2)*cos(t)
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Expresiones con funciones
- Seno sin
- sin(x)=pi
- sin(4*x)=0
- sin(x)^2=1
- sin(x)=(1/2)
- sin(x)+sin(2*x)+sin(3*x)=0
- Coseno cos
- cos(x)=-(4/5)
- cos(x+(pi/6))=-1
- cos(3*x)=1
- cos(x)=-3/2
- cos(x)=1/2
y=2*t*sin(t)-(t^2-2)*cos(t) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
/ 2 \ y = 2*t*sin(t) - \t - 2/*cos(t)
$$y = 2 t \sin{\left(t \right)} - \left(t^{2} - 2\right) \cos{\left(t \right)}$$
Gráfica
Respuesta rápida
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/ 2 \ / / 2 \ \ y1 = - re\t *cos(t)/ + 2*re(t*sin(t)) + I*\- im\t *cos(t)/ + 2*im(t*sin(t)) - 2*sin(re(t))*sinh(im(t))/ + 2*cos(re(t))*cosh(im(t))
$$y_{1} = i \left(- 2 \sin{\left(\operatorname{re}{\left(t\right)} \right)} \sinh{\left(\operatorname{im}{\left(t\right)} \right)} + 2 \operatorname{im}{\left(t \sin{\left(t \right)}\right)} - \operatorname{im}{\left(t^{2} \cos{\left(t \right)}\right)}\right) + 2 \cos{\left(\operatorname{re}{\left(t\right)} \right)} \cosh{\left(\operatorname{im}{\left(t\right)} \right)} + 2 \operatorname{re}{\left(t \sin{\left(t \right)}\right)} - \operatorname{re}{\left(t^{2} \cos{\left(t \right)}\right)}$$
y1 = i*(-2*sin(re(t))*sinh(im(t)) + 2*im(t*sin(t)) - im(t^2*cos(t))) + 2*cos(re(t))*cosh(im(t)) + 2*re(t*sin(t)) - re(t^2*cos(t))
Suma y producto de raíces
[src]
suma
/ 2 \ / / 2 \ \ - re\t *cos(t)/ + 2*re(t*sin(t)) + I*\- im\t *cos(t)/ + 2*im(t*sin(t)) - 2*sin(re(t))*sinh(im(t))/ + 2*cos(re(t))*cosh(im(t))
$$i \left(- 2 \sin{\left(\operatorname{re}{\left(t\right)} \right)} \sinh{\left(\operatorname{im}{\left(t\right)} \right)} + 2 \operatorname{im}{\left(t \sin{\left(t \right)}\right)} - \operatorname{im}{\left(t^{2} \cos{\left(t \right)}\right)}\right) + 2 \cos{\left(\operatorname{re}{\left(t\right)} \right)} \cosh{\left(\operatorname{im}{\left(t\right)} \right)} + 2 \operatorname{re}{\left(t \sin{\left(t \right)}\right)} - \operatorname{re}{\left(t^{2} \cos{\left(t \right)}\right)}$$
=
/ 2 \ / / 2 \ \ - re\t *cos(t)/ + 2*re(t*sin(t)) + I*\- im\t *cos(t)/ + 2*im(t*sin(t)) - 2*sin(re(t))*sinh(im(t))/ + 2*cos(re(t))*cosh(im(t))
$$i \left(- 2 \sin{\left(\operatorname{re}{\left(t\right)} \right)} \sinh{\left(\operatorname{im}{\left(t\right)} \right)} + 2 \operatorname{im}{\left(t \sin{\left(t \right)}\right)} - \operatorname{im}{\left(t^{2} \cos{\left(t \right)}\right)}\right) + 2 \cos{\left(\operatorname{re}{\left(t\right)} \right)} \cosh{\left(\operatorname{im}{\left(t\right)} \right)} + 2 \operatorname{re}{\left(t \sin{\left(t \right)}\right)} - \operatorname{re}{\left(t^{2} \cos{\left(t \right)}\right)}$$
producto
/ 2 \ / / 2 \ \ - re\t *cos(t)/ + 2*re(t*sin(t)) + I*\- im\t *cos(t)/ + 2*im(t*sin(t)) - 2*sin(re(t))*sinh(im(t))/ + 2*cos(re(t))*cosh(im(t))
$$i \left(- 2 \sin{\left(\operatorname{re}{\left(t\right)} \right)} \sinh{\left(\operatorname{im}{\left(t\right)} \right)} + 2 \operatorname{im}{\left(t \sin{\left(t \right)}\right)} - \operatorname{im}{\left(t^{2} \cos{\left(t \right)}\right)}\right) + 2 \cos{\left(\operatorname{re}{\left(t\right)} \right)} \cosh{\left(\operatorname{im}{\left(t\right)} \right)} + 2 \operatorname{re}{\left(t \sin{\left(t \right)}\right)} - \operatorname{re}{\left(t^{2} \cos{\left(t \right)}\right)}$$
=
/ 2 \ / / 2 \ \ - re\t *cos(t)/ + 2*re(t*sin(t)) + I*\- im\t *cos(t)/ + 2*im(t*sin(t)) - 2*sin(re(t))*sinh(im(t))/ + 2*cos(re(t))*cosh(im(t))
$$i \left(- 2 \sin{\left(\operatorname{re}{\left(t\right)} \right)} \sinh{\left(\operatorname{im}{\left(t\right)} \right)} + 2 \operatorname{im}{\left(t \sin{\left(t \right)}\right)} - \operatorname{im}{\left(t^{2} \cos{\left(t \right)}\right)}\right) + 2 \cos{\left(\operatorname{re}{\left(t\right)} \right)} \cosh{\left(\operatorname{im}{\left(t\right)} \right)} + 2 \operatorname{re}{\left(t \sin{\left(t \right)}\right)} - \operatorname{re}{\left(t^{2} \cos{\left(t \right)}\right)}$$
-re(t^2*cos(t)) + 2*re(t*sin(t)) + i*(-im(t^2*cos(t)) + 2*im(t*sin(t)) - 2*sin(re(t))*sinh(im(t))) + 2*cos(re(t))*cosh(im(t))