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Popular Trigonometría >

3sin((pix)/(12)-pi/2)<=-2

Solución

3 sin (\frac{π x}{12} - \frac{π}{2}) \leq - 2

Solución

\frac{- 6 π + 12 arcsin ( \frac{2}{3} )}{π} + 24 n \leq x \leq \frac{6 π - 12 arcsin ( \frac{2}{3} )}{π} + 24 n

Notación de intervalos

[\frac{- 6 π + 12 arcsin ( \frac{2}{3} )}{π} + 24 n, \frac{6 π - 12 arcsin ( \frac{2}{3} )}{π} + 24 n]

Decimal

- 3.21264 \dots + 24 n \leq x \leq 3.21264 \dots + 24 n

Pasos de solución

3 sin (\frac{π x}{12} - \frac{π}{2}) \leq - 2

Dividir ambos lados entre

3

3 sin (\frac{π x}{12} - \frac{π}{2}) \leq - 2

Dividir ambos lados entre

3

\frac{3 sin ( \frac{π x}{12} - \frac{π}{2} )}{3} \leq \frac{- 2}{3}

Simplificar

sin (\frac{π x}{12} - \frac{π}{2}) \leq - \frac{2}{3}

sin (\frac{π x}{12} - \frac{π}{2}) \leq - \frac{2}{3}

Para

sin (x) \leq a

, si

- 1 < a < 1

entonces

- π - arcsin (a) + 2 πn \leq x \leq arcsin (a) + 2 πn

- π - arcsin (- \frac{2}{3}) + 2 πn \leq (\frac{π x}{12} - \frac{π}{2}) \leq arcsin (- \frac{2}{3}) + 2 πn

a \leq u \leq b

entonces

a \leq u and u \leq b

- π - arcsin (- \frac{2}{3}) + 2 πn \leq \frac{π x}{12} - \frac{π}{2} and \frac{π x}{12} - \frac{π}{2} \leq arcsin (- \frac{2}{3}) + 2 πn

- π - arcsin (- \frac{2}{3}) + 2 πn \leq \frac{π x}{12} - \frac{π}{2} : x \geq \frac{- 6 π + 12 arcsin ( \frac{2}{3} )}{π} + 24 n

- π - arcsin (- \frac{2}{3}) + 2 πn \leq \frac{π x}{12} - \frac{π}{2}

Intercambiar lados

\frac{π x}{12} - \frac{π}{2} \geq - π - arcsin (- \frac{2}{3}) + 2 πn

Simplificar

- π - arcsin (- \frac{2}{3}) + 2 πn : - π + arcsin (\frac{2}{3}) + 2 πn

- π - arcsin (- \frac{2}{3}) + 2 πn

Utilizar la siguiente propiedad:

arcsin (- x) = - arcsin (x)

arcsin (- \frac{2}{3}) = - arcsin (\frac{2}{3})

= - π - (- arcsin (\frac{2}{3})) + 2 πn

Aplicar la regla

- (- a) = a

= - π + arcsin (\frac{2}{3}) + 2 πn

\frac{π x}{12} - \frac{π}{2} \geq - π + arcsin (\frac{2}{3}) + 2 πn

Desplace

\frac{π}{2}

a la derecha

\frac{π x}{12} - \frac{π}{2} \geq - π + arcsin (\frac{2}{3}) + 2 πn

Sumar

\frac{π}{2}

a ambos lados

\frac{π x}{12} - \frac{π}{2} + \frac{π}{2} \geq - π + arcsin (\frac{2}{3}) + 2 πn + \frac{π}{2}

Simplificar

\frac{π x}{12} \geq - π + arcsin (\frac{2}{3}) + 2 πn + \frac{π}{2}

\frac{π x}{12} \geq - π + arcsin (\frac{2}{3}) + 2 πn + \frac{π}{2}

Multiplicar ambos lados por

12

\frac{π x}{12} \geq - π + arcsin (\frac{2}{3}) + 2 πn + \frac{π}{2}

Multiplicar ambos lados por

12

\frac{12 π x}{12} \geq - 12 π + 12 arcsin (\frac{2}{3}) + 12 \cdot 2 πn + 12 \cdot \frac{π}{2}

Simplificar

\frac{12 π x}{12} \geq - 12 π + 12 arcsin (\frac{2}{3}) + 12 \cdot 2 πn + 12 \cdot \frac{π}{2}

Simplificar

\frac{12 π x}{12} : π x

\frac{12 π x}{12}

Dividir:

\frac{12}{12} = 1

= π x

Simplificar

- 12 π + 12 arcsin (\frac{2}{3}) + 12 \cdot 2 πn + 12 \cdot \frac{π}{2} : - 6 π + 24 πn + 12 arcsin (\frac{2}{3})

- 12 π + 12 arcsin (\frac{2}{3}) + 12 \cdot 2 πn + 12 \cdot \frac{π}{2}

12 \cdot 2 πn = 24 πn

12 \cdot 2 πn

Multiplicar los numeros:

12 \cdot 2 = 24

= 24 πn

12 \cdot \frac{π}{2} = 6 π

12 \cdot \frac{π}{2}

Multiplicar fracciones:

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

= \frac{π 12}{2}

Dividir:

\frac{12}{2} = 6

= 6 π

= - 12 π + 12 arcsin (\frac{2}{3}) + 24 πn + 6 π

Agrupar términos semejantes

= - 12 π + 6 π + 24 πn + 12 arcsin (\frac{2}{3})

Sumar elementos similares:

- 12 π + 6 π = - 6 π

= - 6 π + 24 πn + 12 arcsin (\frac{2}{3})

π x \geq - 6 π + 24 πn + 12 arcsin (\frac{2}{3})

π x \geq - 6 π + 24 πn + 12 arcsin (\frac{2}{3})

π x \geq - 6 π + 24 πn + 12 arcsin (\frac{2}{3})

Dividir ambos lados entre

π

π x \geq - 6 π + 24 πn + 12 arcsin (\frac{2}{3})

Dividir ambos lados entre

π

\frac{π x}{π} \geq - \frac{6 π}{π} + \frac{24 πn}{π} + \frac{12 arcsin ( \frac{2}{3} )}{π}

Simplificar

\frac{π x}{π} \geq - \frac{6 π}{π} + \frac{24 πn}{π} + \frac{12 arcsin ( \frac{2}{3} )}{π}

Simplificar

\frac{π x}{π} : x

\frac{π x}{π}

Eliminar los terminos comunes:

π

= x

Simplificar

- \frac{6 π}{π} + \frac{24 πn}{π} + \frac{12 arcsin ( \frac{2}{3} )}{π} : - 6 + 24 n + \frac{12 arcsin ( \frac{2}{3} )}{π}

- \frac{6 π}{π} + \frac{24 πn}{π} + \frac{12 arcsin ( \frac{2}{3} )}{π}

Cancelar

\frac{6 π}{π} : 6

\frac{6 π}{π}

Eliminar los terminos comunes:

π

= 6

= - 6 + \frac{24 πn}{π} + \frac{12 arcsin ( \frac{2}{3} )}{π}

Cancelar

\frac{24 πn}{π} : 24 n

\frac{24 πn}{π}

Eliminar los terminos comunes:

π

= 24 n

= - 6 + 24 n + \frac{12 arcsin ( \frac{2}{3} )}{π}

x \geq - 6 + 24 n + \frac{12 arcsin ( \frac{2}{3} )}{π}

x \geq - 6 + 24 n + \frac{12 arcsin ( \frac{2}{3} )}{π}

Simplificar

- 6 + \frac{12 arcsin ( \frac{2}{3} )}{π} : \frac{- 6 π + 12 arcsin ( \frac{2}{3} )}{π}

- 6 + \frac{12 arcsin ( \frac{2}{3} )}{π}

Convertir a fracción:

6 = \frac{6 π}{π}

= - \frac{6 π}{π} + \frac{12 arcsin ( \frac{2}{3} )}{π}

Ya que los denominadores son iguales, combinar las fracciones:

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

= \frac{- 6 π + 12 arcsin ( \frac{2}{3} )}{π}

x \geq \frac{- 6 π + 12 arcsin ( \frac{2}{3} )}{π} + 24 n

x \geq \frac{- 6 π + 12 arcsin ( \frac{2}{3} )}{π} + 24 n

\frac{π x}{12} - \frac{π}{2} \leq arcsin (- \frac{2}{3}) + 2 πn : x \leq \frac{6 π - 12 arcsin ( \frac{2}{3} )}{π} + 24 n

\frac{π x}{12} - \frac{π}{2} \leq arcsin (- \frac{2}{3}) + 2 πn

Simplificar

arcsin (- \frac{2}{3}) + 2 πn : - arcsin (\frac{2}{3}) + 2 πn

arcsin (- \frac{2}{3}) + 2 πn

Utilizar la siguiente propiedad:

arcsin (- x) = - arcsin (x)

arcsin (- \frac{2}{3}) = - arcsin (\frac{2}{3})

= - arcsin (\frac{2}{3}) + 2 πn

\frac{π x}{12} - \frac{π}{2} \leq - arcsin (\frac{2}{3}) + 2 πn

Desplace

\frac{π}{2}

a la derecha

\frac{π x}{12} - \frac{π}{2} \leq - arcsin (\frac{2}{3}) + 2 πn

Sumar

\frac{π}{2}

a ambos lados

\frac{π x}{12} - \frac{π}{2} + \frac{π}{2} \leq - arcsin (\frac{2}{3}) + 2 πn + \frac{π}{2}

Simplificar

\frac{π x}{12} \leq - arcsin (\frac{2}{3}) + 2 πn + \frac{π}{2}

\frac{π x}{12} \leq - arcsin (\frac{2}{3}) + 2 πn + \frac{π}{2}

Multiplicar ambos lados por

12

\frac{π x}{12} \leq - arcsin (\frac{2}{3}) + 2 πn + \frac{π}{2}

Multiplicar ambos lados por

12

\frac{12 π x}{12} \leq - 12 arcsin (\frac{2}{3}) + 12 \cdot 2 πn + 12 \cdot \frac{π}{2}

Simplificar

\frac{12 π x}{12} \leq - 12 arcsin (\frac{2}{3}) + 12 \cdot 2 πn + 12 \cdot \frac{π}{2}

Simplificar

\frac{12 π x}{12} : π x

\frac{12 π x}{12}

Dividir:

\frac{12}{12} = 1

= π x

Simplificar

- 12 arcsin (\frac{2}{3}) + 12 \cdot 2 πn + 12 \cdot \frac{π}{2} : - 12 arcsin (\frac{2}{3}) + 24 πn + 6 π

- 12 arcsin (\frac{2}{3}) + 12 \cdot 2 πn + 12 \cdot \frac{π}{2}

12 \cdot 2 πn = 24 πn

12 \cdot 2 πn

Multiplicar los numeros:

12 \cdot 2 = 24

= 24 πn

12 \cdot \frac{π}{2} = 6 π

12 \cdot \frac{π}{2}

Multiplicar fracciones:

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

= \frac{π 12}{2}

Dividir:

\frac{12}{2} = 6

= 6 π

= - 12 arcsin (\frac{2}{3}) + 24 πn + 6 π

π x \leq - 12 arcsin (\frac{2}{3}) + 24 πn + 6 π

π x \leq - 12 arcsin (\frac{2}{3}) + 24 πn + 6 π

π x \leq - 12 arcsin (\frac{2}{3}) + 24 πn + 6 π

Dividir ambos lados entre

π

π x \leq - 12 arcsin (\frac{2}{3}) + 24 πn + 6 π

Dividir ambos lados entre

π

\frac{π x}{π} \leq - \frac{12 arcsin ( \frac{2}{3} )}{π} + \frac{24 πn}{π} + \frac{6 π}{π}

Simplificar

\frac{π x}{π} \leq - \frac{12 arcsin ( \frac{2}{3} )}{π} + \frac{24 πn}{π} + \frac{6 π}{π}

Simplificar

\frac{π x}{π} : x

\frac{π x}{π}

Eliminar los terminos comunes:

π

= x

Simplificar

- \frac{12 arcsin ( \frac{2}{3} )}{π} + \frac{24 πn}{π} + \frac{6 π}{π} : 6 + 24 n - \frac{12 arcsin ( \frac{2}{3} )}{π}

- \frac{12 arcsin ( \frac{2}{3} )}{π} + \frac{24 πn}{π} + \frac{6 π}{π}

Agrupar términos semejantes

= \frac{6 π}{π} + \frac{24 πn}{π} - \frac{12 arcsin ( \frac{2}{3} )}{π}

Cancelar

\frac{6 π}{π} : 6

\frac{6 π}{π}

Eliminar los terminos comunes:

π

= 6

= 6 + \frac{24 πn}{π} - \frac{12 arcsin ( \frac{2}{3} )}{π}

Cancelar

\frac{24 πn}{π} : 24 n

\frac{24 πn}{π}

Eliminar los terminos comunes:

π

= 24 n

= 6 + 24 n - \frac{12 arcsin ( \frac{2}{3} )}{π}

x \leq 6 + 24 n - \frac{12 arcsin ( \frac{2}{3} )}{π}

x \leq 6 + 24 n - \frac{12 arcsin ( \frac{2}{3} )}{π}

Simplificar

6 - \frac{12 arcsin ( \frac{2}{3} )}{π} : \frac{6 π - 12 arcsin ( \frac{2}{3} )}{π}

6 - \frac{12 arcsin ( \frac{2}{3} )}{π}

Convertir a fracción:

6 = \frac{6 π}{π}

= \frac{6 π}{π} - \frac{12 arcsin ( \frac{2}{3} )}{π}

Ya que los denominadores son iguales, combinar las fracciones:

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

= \frac{6 π - 12 arcsin ( \frac{2}{3} )}{π}

x \leq \frac{6 π - 12 arcsin ( \frac{2}{3} )}{π} + 24 n

x \leq \frac{6 π - 12 arcsin ( \frac{2}{3} )}{π} + 24 n

Combinar los rangos

x \geq \frac{- 6 π + 12 arcsin ( \frac{2}{3} )}{π} + 24 n and x \leq \frac{6 π - 12 arcsin ( \frac{2}{3} )}{π} + 24 n

Mezclar intervalos sobrepuestos

\frac{- 6 π + 12 arcsin ( \frac{2}{3} )}{π} + 24 n \leq x \leq \frac{6 π - 12 arcsin ( \frac{2}{3} )}{π} + 24 n

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