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Popular Trigonometria >

sin(110-x/2)=-sin(70)

Solução

sin (11 0^{\circ} - \frac{x}{2}) = - sin (7 0^{\circ})

Solução

x = - 72 0^{\circ} n + 22 0^{\circ} - 2 (- 1.22173 \dots), x = - 36 0^{\circ} - 72 0^{\circ} n + 8 0^{\circ}

Radianos

x = \frac{11 π}{9} - 2 (- 1.22173 \dots) - 4 πn, x = - 2 π + \frac{4 π}{9} - 4 πn

Passos da solução

sin (11 0^{\circ} - \frac{x}{2}) = - sin (7 0^{\circ})

Aplique as propriedades trigonométricas inversas

sin (11 0^{\circ} - \frac{x}{2}) = - sin (7 0^{\circ})

Soluções gerais para

sin (11 0^{\circ} - \frac{x}{2}) = - sin (7 0^{\circ})

sin (x) = - a \Rightarrow x = arcsin (- a) + 36 0^{\circ} n, x = 18 0^{\circ} + arcsin (a) + 36 0^{\circ} n

11 0^{\circ} - \frac{x}{2} = arcsin (- sin (7 0^{\circ})) + 36 0^{\circ} n, 11 0^{\circ} - \frac{x}{2} = 18 0^{\circ} + arcsin (sin (7 0^{\circ})) + 36 0^{\circ} n

11 0^{\circ} - \frac{x}{2} = arcsin (- sin (7 0^{\circ})) + 36 0^{\circ} n, 11 0^{\circ} - \frac{x}{2} = 18 0^{\circ} + arcsin (sin (7 0^{\circ})) + 36 0^{\circ} n

Resolver

11 0^{\circ} - \frac{x}{2} = arcsin (- sin (7 0^{\circ})) + 36 0^{\circ} n : x = - 72 0^{\circ} n + 22 0^{\circ} - 2 arcsin (- sin (7 0^{\circ}))

11 0^{\circ} - \frac{x}{2} = arcsin (- sin (7 0^{\circ})) + 36 0^{\circ} n

Mova

11 0^{\circ}

para o lado direito

11 0^{\circ} - \frac{x}{2} = arcsin (- sin (7 0^{\circ})) + 36 0^{\circ} n

Subtrair

11 0^{\circ}

de ambos os lados

11 0^{\circ} - \frac{x}{2} - 11 0^{\circ} = arcsin (- sin (7 0^{\circ})) + 36 0^{\circ} n - 11 0^{\circ}

Simplificar

- \frac{x}{2} = arcsin (- sin (7 0^{\circ})) + 36 0^{\circ} n - 11 0^{\circ}

- \frac{x}{2} = arcsin (- sin (7 0^{\circ})) + 36 0^{\circ} n - 11 0^{\circ}

Multiplicar ambos os lados por

2

- \frac{x}{2} = arcsin (- sin (7 0^{\circ})) + 36 0^{\circ} n - 11 0^{\circ}

Multiplicar ambos os lados por

2

2 (- \frac{x}{2}) = 2 arcsin (- sin (7 0^{\circ})) + 2 \cdot 36 0^{\circ} n - 2 \cdot 11 0^{\circ}

Simplificar

2 (- \frac{x}{2}) = 2 arcsin (- sin (7 0^{\circ})) + 2 \cdot 36 0^{\circ} n - 2 \cdot 11 0^{\circ}

Simplificar

2 (- \frac{x}{2}) : - x

2 (- \frac{x}{2})

Remover os parênteses:

(- a) = - a

= - 2 \cdot \frac{x}{2}

Multiplicar frações:

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

= - \frac{x \cdot 2}{2}

Eliminar o fator comum:

2

= - x

Simplificar

2 arcsin (- sin (7 0^{\circ})) + 2 \cdot 36 0^{\circ} n - 2 \cdot 11 0^{\circ} : 2 arcsin (- sin (7 0^{\circ})) + 72 0^{\circ} n - 22 0^{\circ}

2 arcsin (- sin (7 0^{\circ})) + 2 \cdot 36 0^{\circ} n - 2 \cdot 11 0^{\circ}

2 \cdot 36 0^{\circ} n = 72 0^{\circ} n

2 \cdot 36 0^{\circ} n

Multiplicar os números:

2 \cdot 2 = 4

= 72 0^{\circ} n

2 \cdot 11 0^{\circ} = 22 0^{\circ}

2 \cdot 11 0^{\circ}

Multiplicar frações:

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

= 22 0^{\circ}

Multiplicar os números:

11 \cdot 2 = 22

= 22 0^{\circ}

Eliminar o fator comum:

2

= 22 0^{\circ}

= 2 arcsin (- sin (7 0^{\circ})) + 72 0^{\circ} n - 22 0^{\circ}

- x = 2 arcsin (- sin (7 0^{\circ})) + 72 0^{\circ} n - 22 0^{\circ}

- x = 2 arcsin (- sin (7 0^{\circ})) + 72 0^{\circ} n - 22 0^{\circ}

- x = 2 arcsin (- sin (7 0^{\circ})) + 72 0^{\circ} n - 22 0^{\circ}

Dividir ambos os lados por

- 1

- x = 2 arcsin (- sin (7 0^{\circ})) + 72 0^{\circ} n - 22 0^{\circ}

Dividir ambos os lados por

- 1

\frac{- x}{- 1} = \frac{2 arcsin ( - sin ( 7 0 ^{\circ} ) )}{- 1} + \frac{72 0 ^{\circ} n}{- 1} - \frac{22 0 ^{\circ}}{- 1}

Simplificar

\frac{- x}{- 1} = \frac{2 arcsin ( - sin ( 7 0 ^{\circ} ) )}{- 1} + \frac{72 0 ^{\circ} n}{- 1} - \frac{22 0 ^{\circ}}{- 1}

Simplificar

\frac{- x}{- 1} : x

\frac{- x}{- 1}

Aplicar as propriedades das frações:

\frac{- a}{- b} = \frac{a}{b}

= \frac{x}{1}

Aplicar a regra

\frac{a}{1} = a

= x

Simplificar

\frac{2 arcsin ( - sin ( 7 0 ^{\circ} ) )}{- 1} + \frac{72 0 ^{\circ} n}{- 1} - \frac{22 0 ^{\circ}}{- 1} : - 72 0^{\circ} n + 22 0^{\circ} - 2 arcsin (- sin (7 0^{\circ}))

\frac{2 arcsin ( - sin ( 7 0 ^{\circ} ) )}{- 1} + \frac{72 0 ^{\circ} n}{- 1} - \frac{22 0 ^{\circ}}{- 1}

Agrupar termos semelhantes

= \frac{72 0 ^{\circ} n}{- 1} - \frac{22 0 ^{\circ}}{- 1} + \frac{2 arcsin ( - sin ( 7 0 ^{\circ} ) )}{- 1}

\frac{72 0 ^{\circ} n}{- 1} = - 72 0^{\circ} n

\frac{72 0 ^{\circ} n}{- 1}

Aplicar as propriedades das frações:

\frac{a}{- b} = - \frac{a}{b}

= - \frac{72 0 ^{\circ} n}{1}

Aplicar a regra

\frac{a}{1} = a

= - 72 0^{\circ} n

= - 72 0^{\circ} n - \frac{22 0 ^{\circ}}{- 1} + \frac{2 arcsin ( - sin ( 7 0 ^{\circ} ) )}{- 1}

\frac{22 0 ^{\circ}}{- 1} = - 22 0^{\circ}

\frac{22 0 ^{\circ}}{- 1}

Aplicar as propriedades das frações:

\frac{a}{- b} = - \frac{a}{b}

= - \frac{22 0 ^{\circ}}{1}

Aplicar as propriedades das frações:

\frac{a}{1} = a

\frac{22 0 ^{\circ}}{1} = 22 0^{\circ}

= - 22 0^{\circ}

\frac{2 arcsin ( - sin ( 7 0 ^{\circ} ) )}{- 1} = - 2 arcsin (- sin (7 0^{\circ}))

\frac{2 arcsin ( - sin ( 7 0 ^{\circ} ) )}{- 1}

Aplicar as propriedades das frações:

\frac{a}{- b} = - \frac{a}{b}

= - \frac{2 arcsin ( - sin ( 7 0 ^{\circ} ) )}{1}

Aplicar as propriedades das frações:

\frac{a}{1} = a

\frac{2 arcsin ( - sin ( 7 0 ^{\circ} ) )}{1} = 2 arcsin (- sin (7 0^{\circ}))

= - 2 arcsin (- sin (7 0^{\circ}))

= - 72 0^{\circ} n - (- 22 0^{\circ}) - 2 arcsin (- sin (7 0^{\circ}))

Aplicar a regra

- (- a) = a

= - 72 0^{\circ} n + 22 0^{\circ} - 2 arcsin (- sin (7 0^{\circ}))

x = - 72 0^{\circ} n + 22 0^{\circ} - 2 arcsin (- sin (7 0^{\circ}))

x = - 72 0^{\circ} n + 22 0^{\circ} - 2 arcsin (- sin (7 0^{\circ}))

x = - 72 0^{\circ} n + 22 0^{\circ} - 2 arcsin (- sin (7 0^{\circ}))

Resolver

11 0^{\circ} - \frac{x}{2} = 18 0^{\circ} + arcsin (sin (7 0^{\circ})) + 36 0^{\circ} n : x = - 36 0^{\circ} - 72 0^{\circ} n + 8 0^{\circ}

11 0^{\circ} - \frac{x}{2} = 18 0^{\circ} + arcsin (sin (7 0^{\circ})) + 36 0^{\circ} n

arcsin (sin (7 0^{\circ})) = 7 0^{\circ}

arcsin (sin (7 0^{\circ}))

Para

- 9 0^{\circ} \leq x \leq 9 0^{\circ}

a rcs in (s in (x)) = x

- 9 0^{\circ} \leq 7 0^{\circ} \leq 9 0^{\circ}

= 7 0^{\circ}

11 0^{\circ} - \frac{x}{2} = 18 0^{\circ} + 7 0^{\circ} + 36 0^{\circ} n

Mova

11 0^{\circ}

para o lado direito

11 0^{\circ} - \frac{x}{2} = 18 0^{\circ} + 7 0^{\circ} + 36 0^{\circ} n

Subtrair

11 0^{\circ}

de ambos os lados

11 0^{\circ} - \frac{x}{2} - 11 0^{\circ} = 18 0^{\circ} + 7 0^{\circ} + 36 0^{\circ} n - 11 0^{\circ}

Simplificar

11 0^{\circ} - \frac{x}{2} - 11 0^{\circ} = 18 0^{\circ} + 7 0^{\circ} + 36 0^{\circ} n - 11 0^{\circ}

Simplificar

11 0^{\circ} - \frac{x}{2} - 11 0^{\circ} : - \frac{x}{2}

11 0^{\circ} - \frac{x}{2} - 11 0^{\circ}

Somar elementos similares:

11 0^{\circ} - 11 0^{\circ} = 0

= - \frac{x}{2}

Simplificar

18 0^{\circ} + 7 0^{\circ} + 36 0^{\circ} n - 11 0^{\circ} : 18 0^{\circ} + 36 0^{\circ} n - 4 0^{\circ}

18 0^{\circ} + 7 0^{\circ} + 36 0^{\circ} n - 11 0^{\circ}

Agrupar termos semelhantes

= 18 0^{\circ} + 36 0^{\circ} n + 7 0^{\circ} - 11 0^{\circ}

Combinar as frações usando o mínimo múltiplo comum:

- 4 0^{\circ}

Aplicar a regra

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

= \frac{126 0 ^{\circ} - 198 0 ^{\circ}}{18}

Somar elementos similares:

126 0^{\circ} - 198 0^{\circ} = - 72 0^{\circ}

= \frac{- 72 0 ^{\circ}}{18}

Aplicar as propriedades das frações:

\frac{- a}{b} = - \frac{a}{b}

= - 4 0^{\circ}

Eliminar o fator comum:

2

= - 4 0^{\circ}

= 18 0^{\circ} + 36 0^{\circ} n - 4 0^{\circ}

- \frac{x}{2} = 18 0^{\circ} + 36 0^{\circ} n - 4 0^{\circ}

- \frac{x}{2} = 18 0^{\circ} + 36 0^{\circ} n - 4 0^{\circ}

- \frac{x}{2} = 18 0^{\circ} + 36 0^{\circ} n - 4 0^{\circ}

Multiplicar ambos os lados por

2

- \frac{x}{2} = 18 0^{\circ} + 36 0^{\circ} n - 4 0^{\circ}

Multiplicar ambos os lados por

2

2 (- \frac{x}{2}) = 36 0^{\circ} + 2 \cdot 36 0^{\circ} n - 2 \cdot 4 0^{\circ}

Simplificar

2 (- \frac{x}{2}) = 36 0^{\circ} + 2 \cdot 36 0^{\circ} n - 2 \cdot 4 0^{\circ}

Simplificar

2 (- \frac{x}{2}) : - x

2 (- \frac{x}{2})

Remover os parênteses:

(- a) = - a

= - 2 \cdot \frac{x}{2}

Multiplicar frações:

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

= - \frac{x \cdot 2}{2}

Eliminar o fator comum:

2

= - x

Simplificar

36 0^{\circ} + 2 \cdot 36 0^{\circ} n - 2 \cdot 4 0^{\circ} : 36 0^{\circ} + 72 0^{\circ} n - 8 0^{\circ}

36 0^{\circ} + 2 \cdot 36 0^{\circ} n - 2 \cdot 4 0^{\circ}

2 \cdot 36 0^{\circ} n = 72 0^{\circ} n

2 \cdot 36 0^{\circ} n

Multiplicar os números:

2 \cdot 2 = 4

= 72 0^{\circ} n

2 \cdot 4 0^{\circ} = 8 0^{\circ}

2 \cdot 4 0^{\circ}

Multiplicar frações:

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

= 8 0^{\circ}

Multiplicar os números:

2 \cdot 2 = 4

= 8 0^{\circ}

= 36 0^{\circ} + 72 0^{\circ} n - 8 0^{\circ}

- x = 36 0^{\circ} + 72 0^{\circ} n - 8 0^{\circ}

- x = 36 0^{\circ} + 72 0^{\circ} n - 8 0^{\circ}

- x = 36 0^{\circ} + 72 0^{\circ} n - 8 0^{\circ}

Dividir ambos os lados por

- 1

- x = 36 0^{\circ} + 72 0^{\circ} n - 8 0^{\circ}

Dividir ambos os lados por

- 1

\frac{- x}{- 1} = \frac{36 0 ^{\circ}}{- 1} + \frac{72 0 ^{\circ} n}{- 1} - \frac{8 0 ^{\circ}}{- 1}

Simplificar

\frac{- x}{- 1} = \frac{36 0 ^{\circ}}{- 1} + \frac{72 0 ^{\circ} n}{- 1} - \frac{8 0 ^{\circ}}{- 1}

Simplificar

\frac{- x}{- 1} : x

\frac{- x}{- 1}

Aplicar as propriedades das frações:

\frac{- a}{- b} = \frac{a}{b}

= \frac{x}{1}

Aplicar a regra

\frac{a}{1} = a

= x

Simplificar

\frac{36 0 ^{\circ}}{- 1} + \frac{72 0 ^{\circ} n}{- 1} - \frac{8 0 ^{\circ}}{- 1} : - 36 0^{\circ} - 72 0^{\circ} n + 8 0^{\circ}

\frac{36 0 ^{\circ}}{- 1} + \frac{72 0 ^{\circ} n}{- 1} - \frac{8 0 ^{\circ}}{- 1}

\frac{36 0 ^{\circ}}{- 1} = - 36 0^{\circ}

\frac{36 0 ^{\circ}}{- 1}

Aplicar as propriedades das frações:

\frac{a}{- b} = - \frac{a}{b}

= - 36 0^{\circ}

Aplicar a regra

\frac{a}{1} = a

= - 36 0^{\circ}

= - 36 0^{\circ} + \frac{72 0 ^{\circ} n}{- 1} - \frac{8 0 ^{\circ}}{- 1}

\frac{72 0 ^{\circ} n}{- 1} = - 72 0^{\circ} n

\frac{72 0 ^{\circ} n}{- 1}

Aplicar as propriedades das frações:

\frac{a}{- b} = - \frac{a}{b}

= - \frac{72 0 ^{\circ} n}{1}

Aplicar a regra

\frac{a}{1} = a

= - 72 0^{\circ} n

= - 36 0^{\circ} - 72 0^{\circ} n - \frac{8 0 ^{\circ}}{- 1}

\frac{8 0 ^{\circ}}{- 1} = - 8 0^{\circ}

\frac{8 0 ^{\circ}}{- 1}

Aplicar as propriedades das frações:

\frac{a}{- b} = - \frac{a}{b}

= - \frac{8 0 ^{\circ}}{1}

Aplicar as propriedades das frações:

\frac{a}{1} = a

\frac{8 0 ^{\circ}}{1} = 8 0^{\circ}

= - 8 0^{\circ}

= - 36 0^{\circ} - 72 0^{\circ} n - (- 8 0^{\circ})

Aplicar a regra

- (- a) = a

= - 36 0^{\circ} - 72 0^{\circ} n + 8 0^{\circ}

x = - 36 0^{\circ} - 72 0^{\circ} n + 8 0^{\circ}

x = - 36 0^{\circ} - 72 0^{\circ} n + 8 0^{\circ}

x = - 36 0^{\circ} - 72 0^{\circ} n + 8 0^{\circ}

x = - 72 0^{\circ} n + 22 0^{\circ} - 2 arcsin (- sin (7 0^{\circ})), x = - 36 0^{\circ} - 72 0^{\circ} n + 8 0^{\circ}

Mostrar soluções na forma decimal

x = - 72 0^{\circ} n + 22 0^{\circ} - 2 (- 1.22173 \dots), x = - 36 0^{\circ} - 72 0^{\circ} n + 8 0^{\circ}

Gráfico

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