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Popular Trigonometría >

solvefor x,f=2cos(3x^2-1)entoncesf

Solución

resolver para

x, f = 2 cos (3 x^{2} - 1) e n t o n ces f

Solución

x = \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}, x = - \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}, x = \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}, x = - \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

Pasos de solución

f = 2 cos (3 x^{2} - 1) e n t o n ces f

Intercambiar lados

2 cos (3 x^{2} - 1) e n t o n ces f = f

Dividir ambos lados entre

2 e n t o n ces f; c \neq = 0

2 cos (3 x^{2} - 1) e n t o n ces f = f

Dividir ambos lados entre

2 e n t o n ces f; c \neq = 0

\frac{2 cos ( 3 x ^{2} - 1 ) e n t o n ces f}{2 e n t o n ces f} = \frac{f}{2 e n t o n ces f}; c \neq = 0

Simplificar

\frac{2 cos ( 3 x ^{2} - 1 ) e n t o n ces f}{2 e n t o n ces f} = \frac{f}{2 e n t o n ces f}

Simplificar

\frac{2 cos ( 3 x ^{2} - 1 ) e n t o n ces f}{2 e n t o n ces f} : cos (3 x^{2} - 1)

\frac{2 cos ( 3 x ^{2} - 1 ) e n t o n ces f}{2 e n t o n ces f}

2 cos (3 x^{2} - 1) e n t o n ces f = 2 e^{2} c f t os n^{2} cos (3 x^{2} - 1)

2 cos (3 x^{2} - 1) e n t o n ces f

Aplicar las leyes de los exponentes:

a^{b} \cdot a^{c} = a^{b + c}

ee = e^{1 + 1}

= 2 cos (3 x^{2} - 1) n t o n c e^{1 + 1} s f

Sumar:

1 + 1 = 2

= 2 cos (3 x^{2} - 1) n t o n c e^{2} s f

Aplicar las leyes de los exponentes:

a^{b} \cdot a^{c} = a^{b + c}

nn = n^{1 + 1}

= 2 cos (3 x^{2} - 1) t o n^{1 + 1} c e^{2} s f

Sumar:

1 + 1 = 2

= 2 cos (3 x^{2} - 1) t o n^{2} c e^{2} s f

= \frac{2 e ^{2} c f t os n ^{2} cos ( 3 x ^{2} - 1 )}{2 eec f t os nn}

2 e n t o n ces f = 2 e^{2} c f t os n^{2}

2 e n t o n ces f

Aplicar las leyes de los exponentes:

a^{b} \cdot a^{c} = a^{b + c}

ee = e^{1 + 1}

= 2 n t o n c e^{1 + 1} s f

Sumar:

1 + 1 = 2

= 2 n t o n c e^{2} s f

Aplicar las leyes de los exponentes:

a^{b} \cdot a^{c} = a^{b + c}

nn = n^{1 + 1}

= 2 t o n^{1 + 1} c e^{2} s f

Sumar:

1 + 1 = 2

= 2 t o n^{2} c e^{2} s f

= \frac{2 e ^{2} c f t os n ^{2} cos ( 3 x ^{2} - 1 )}{2 e ^{2} c f t os n ^{2}}

Dividir:

\frac{2}{2} = 1

= \frac{e ^{2} c f t os n ^{2} cos ( 3 x ^{2} - 1 )}{e ^{2} c f t os n ^{2}}

Eliminar los terminos comunes:

t

= \frac{e ^{2} c f os n ^{2} cos ( 3 x ^{2} - 1 )}{e ^{2} c f os n ^{2}}

Eliminar los terminos comunes:

o

= \frac{e ^{2} c f s n ^{2} cos ( 3 x ^{2} - 1 )}{e ^{2} c f s n ^{2}}

Eliminar los terminos comunes:

n^{2}

= \frac{e ^{2} c f s cos ( 3 x ^{2} - 1 )}{e ^{2} c f s}

Eliminar los terminos comunes:

c

= \frac{e ^{2} f s cos ( 3 x ^{2} - 1 )}{e ^{2} f s}

Eliminar los terminos comunes:

e^{2}

= \frac{f s cos ( 3 x ^{2} - 1 )}{f s}

Eliminar los terminos comunes:

s

= \frac{f cos ( 3 x ^{2} - 1 )}{f}

Eliminar los terminos comunes:

f

= cos (3 x^{2} - 1)

Simplificar

\frac{f}{2 e n t o n ces f} : \frac{1}{2 e ^{2} c t os n ^{2}}

\frac{f}{2 e n t o n ces f}

2 e n t o n ces f = 2 e^{2} c f t os n^{2}

2 e n t o n ces f

Aplicar las leyes de los exponentes:

a^{b} \cdot a^{c} = a^{b + c}

ee = e^{1 + 1}

= 2 n t o n c e^{1 + 1} s f

Sumar:

1 + 1 = 2

= 2 n t o n c e^{2} s f

Aplicar las leyes de los exponentes:

a^{b} \cdot a^{c} = a^{b + c}

nn = n^{1 + 1}

= 2 t o n^{1 + 1} c e^{2} s f

Sumar:

1 + 1 = 2

= 2 t o n^{2} c e^{2} s f

= \frac{f}{2 e ^{2} c f t os n ^{2}}

Eliminar los terminos comunes:

f

= \frac{1}{2 e ^{2} c t os n ^{2}}

cos (3 x^{2} - 1) = \frac{1}{2 e ^{2} c t os n ^{2}}; c \neq = 0

cos (3 x^{2} - 1) = \frac{1}{2 e ^{2} c t os n ^{2}}; c \neq = 0

cos (3 x^{2} - 1) = \frac{1}{2 e ^{2} c t os n ^{2}}; c \neq = 0

Aplicar propiedades trigonométricas inversas

cos (3 x^{2} - 1) = \frac{1}{2 e ^{2} c t os n ^{2}}

Soluciones generales para

cos (3 x^{2} - 1) = \frac{1}{2 e ^{2} c t os n ^{2}}

cos (x) = a \Rightarrow x = arccos (a) + 2 πk, x = - arccos (a) + 2 πk

3 x^{2} - 1 = arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk, 3 x^{2} - 1 = - arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk

3 x^{2} - 1 = arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk, 3 x^{2} - 1 = - arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk

Resolver

3 x^{2} - 1 = arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk : x = \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}, x = - \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

3 x^{2} - 1 = arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk

Desplace

1

a la derecha

3 x^{2} - 1 = arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk

Sumar

1

a ambos lados

3 x^{2} - 1 + 1 = arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk + 1

Simplificar

3 x^{2} = arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk + 1

3 x^{2} = arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk + 1

Dividir ambos lados entre

3

3 x^{2} = arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk + 1

Dividir ambos lados entre

3

\frac{3 x ^{2}}{3} = \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

Simplificar

x^{2} = \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

x^{2} = \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

Para

x^{2} = f (a)

las soluciones son

x = f (a), - f (a)

x = \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}, x = - \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

Simplificar

\frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3} : \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

\frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

Combinar las fracciones usando el mínimo común denominador:

\frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

Aplicar la regla

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

= \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} ) + 2 πk + 1}{3}

= \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

Simplificar

- \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3} : - \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

- \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

Combinar las fracciones usando el mínimo común denominador:

\frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

Aplicar la regla

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

= - \frac{2 πk + arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 1}{3}

= - \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

x = \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}, x = - \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

Resolver

3 x^{2} - 1 = - arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk : x = \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}, x = - \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

3 x^{2} - 1 = - arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk

Desplace

1

a la derecha

3 x^{2} - 1 = - arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk

Sumar

1

a ambos lados

3 x^{2} - 1 + 1 = - arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk + 1

Simplificar

3 x^{2} = - arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk + 1

3 x^{2} = - arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk + 1

Dividir ambos lados entre

3

3 x^{2} = - arccos (\frac{1}{2 e ^{2} c t os n ^{2}}) + 2 πk + 1

Dividir ambos lados entre

3

\frac{3 x ^{2}}{3} = - \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

Simplificar

x^{2} = - \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

x^{2} = - \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

Para

x^{2} = f (a)

las soluciones son

x = f (a), - f (a)

x = - \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}, x = - - \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

Simplificar

- \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3} : \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

- \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

Combinar las fracciones usando el mínimo común denominador:

\frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

Aplicar la regla

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

= \frac{- arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} ) + 2 πk + 1}{3}

= \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

Simplificar

- - \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3} : - \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

- - \frac{arccos ( \frac{1}{2 e ^{2} c t os n ^{2}} )}{3} + \frac{2 πk}{3} + \frac{1}{3}

Combinar las fracciones usando el mínimo común denominador:

\frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

Aplicar la regla

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

= - \frac{2 πk + 1 - arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} )}{3}

= - \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

x = \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}, x = - \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

x = \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}, x = - \frac{arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}, x = \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}, x = - \frac{- arccos ( \frac{1}{2 e ^{2} c n ^{2} t os} ) + 2 πk + 1}{3}

Gráfica

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