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Popular Trigonometria >

arcsin((900x^2-1)/(900x^2+1))=1.18

Solução

arcsin (\frac{900 x ^{2} - 1}{900 x ^{2} + 1}) = 1.18

Solução

x = \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}, x = - \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}

Passos da solução

arcsin (\frac{900 x ^{2} - 1}{900 x ^{2} + 1}) = 1.18

Aplique as propriedades trigonométricas inversas

arcsin (\frac{900 x ^{2} - 1}{900 x ^{2} + 1}) = 1.18

arcsin (x) = a \Rightarrow x = sin (a)

\frac{900 x ^{2} - 1}{900 x ^{2} + 1} = sin (1.18)

sin (1.18) = sin (\frac{59}{50})

sin (1.18)

\frac{900 x ^{2} - 1}{900 x ^{2} + 1} = sin (\frac{59}{50})

\frac{900 x ^{2} - 1}{900 x ^{2} + 1} = sin (\frac{59}{50})

Resolver

\frac{900 x ^{2} - 1}{900 x ^{2} + 1} = sin (\frac{59}{50}) : x = \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}, x = - \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}

\frac{900 x ^{2} - 1}{900 x ^{2} + 1} = sin (\frac{59}{50})

Multiplicar ambos os lados por

900 x^{2} + 1

\frac{900 x ^{2} - 1}{900 x ^{2} + 1} = sin (\frac{59}{50})

Multiplicar ambos os lados por

900 x^{2} + 1

\frac{900 x ^{2} - 1}{900 x ^{2} + 1} (900 x^{2} + 1) = sin (\frac{59}{50}) (900 x^{2} + 1)

Simplificar

900 x^{2} - 1 = sin (\frac{59}{50}) (900 x^{2} + 1)

900 x^{2} - 1 = sin (\frac{59}{50}) (900 x^{2} + 1)

Resolver

900 x^{2} - 1 = sin (\frac{59}{50}) (900 x^{2} + 1) : x = \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}, x = - \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}

900 x^{2} - 1 = sin (\frac{59}{50}) (900 x^{2} + 1)

Mova

1

para o lado direito

900 x^{2} - 1 = sin (\frac{59}{50}) (900 x^{2} + 1)

Adicionar

1

a ambos os lados

900 x^{2} - 1 + 1 = sin (\frac{59}{50}) (900 x^{2} + 1) + 1

Simplificar

900 x^{2} = sin (\frac{59}{50}) (900 x^{2} + 1) + 1

900 x^{2} = sin (\frac{59}{50}) (900 x^{2} + 1) + 1

Mova

sin (\frac{59}{50}) (900 x^{2} + 1)

para o lado esquerdo

900 x^{2} = sin (\frac{59}{50}) (900 x^{2} + 1) + 1

Subtrair

sin (\frac{59}{50}) (900 x^{2} + 1)

de ambos os lados

900 x^{2} - sin (\frac{59}{50}) (900 x^{2} + 1) = sin (\frac{59}{50}) (900 x^{2} + 1) + 1 - sin (\frac{59}{50}) (900 x^{2} + 1)

Simplificar

900 x^{2} - sin (\frac{59}{50}) (900 x^{2} + 1) = 1

900 x^{2} - sin (\frac{59}{50}) (900 x^{2} + 1) = 1

Expandir

- sin (\frac{59}{50}) (900 x^{2} + 1) : - 900 sin (\frac{59}{50}) x^{2} - sin (\frac{59}{50})

- sin (\frac{59}{50}) (900 x^{2} + 1)

Colocar os parênteses utilizando:

a (b + c) = ab + a c

a = - sin (\frac{59}{50}), b = 900 x^{2}, c = 1

= - sin (\frac{59}{50}) \cdot 900 x^{2} + (- sin (\frac{59}{50})) \cdot 1

Aplicar as regras dos sinais

+ (- a) = - a

= - 900 sin (\frac{59}{50}) x^{2} - 1 \cdot sin (\frac{59}{50})

Multiplicar:

1 \cdot sin (\frac{59}{50}) = sin (\frac{59}{50})

= - 900 sin (\frac{59}{50}) x^{2} - sin (\frac{59}{50})

900 x^{2} - 900 sin (\frac{59}{50}) x^{2} - sin (\frac{59}{50}) = 1

Mova

sin (\frac{59}{50})

para o lado direito

900 x^{2} - 900 sin (\frac{59}{50}) x^{2} - sin (\frac{59}{50}) = 1

Adicionar

sin (\frac{59}{50})

a ambos os lados

900 x^{2} - 900 sin (\frac{59}{50}) x^{2} - sin (\frac{59}{50}) + sin (\frac{59}{50}) = 1 + sin (\frac{59}{50})

Simplificar

900 x^{2} - 900 sin (\frac{59}{50}) x^{2} = 1 + sin (\frac{59}{50})

900 x^{2} - 900 sin (\frac{59}{50}) x^{2} = 1 + sin (\frac{59}{50})

Fatorar

900 x^{2} - 900 sin (\frac{59}{50}) x^{2} : 900 (1 - sin (\frac{59}{50})) x^{2}

900 x^{2} - 900 sin (\frac{59}{50}) x^{2}

Reescrever como

= 1 \cdot 900 x^{2} - 900 x^{2} sin (\frac{59}{50})

Fatorar o termo comum

900 x^{2}

= 900 x^{2} (1 - sin (\frac{59}{50}))

900 (1 - sin (\frac{59}{50})) x^{2} = 1 + sin (\frac{59}{50})

Dividir ambos os lados por

900 (1 - sin (\frac{59}{50}))

900 (1 - sin (\frac{59}{50})) x^{2} = 1 + sin (\frac{59}{50})

Dividir ambos os lados por

900 (1 - sin (\frac{59}{50}))

\frac{900 ( 1 - sin ( \frac{59}{50} ) ) x ^{2}}{900 ( 1 - sin ( \frac{59}{50} ) )} = \frac{1}{900 ( 1 - sin ( \frac{59}{50} ) )} + \frac{sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

Simplificar

\frac{900 ( 1 - sin ( \frac{59}{50} ) ) x ^{2}}{900 ( 1 - sin ( \frac{59}{50} ) )} = \frac{1}{900 ( 1 - sin ( \frac{59}{50} ) )} + \frac{sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

Simplificar

\frac{900 ( 1 - sin ( \frac{59}{50} ) ) x ^{2}}{900 ( 1 - sin ( \frac{59}{50} ) )} : x^{2}

\frac{900 ( 1 - sin ( \frac{59}{50} ) ) x ^{2}}{900 ( 1 - sin ( \frac{59}{50} ) )}

Dividir:

\frac{900}{900} = 1

= \frac{( - sin ( \frac{59}{50} ) + 1 ) x ^{2}}{1 - sin ( \frac{59}{50} )}

Eliminar o fator comum:

1 - sin (\frac{59}{50})

= x^{2}

Simplificar

\frac{1}{900 ( 1 - sin ( \frac{59}{50} ) )} + \frac{sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )} : \frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

\frac{1}{900 ( 1 - sin ( \frac{59}{50} ) )} + \frac{sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

Já que os denominadores são iguais, combinar as frações:

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

= \frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

x^{2} = \frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

x^{2} = \frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

x^{2} = \frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

Para

x^{2} = f (a)

as soluções são

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

x = \frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}, x = - \frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

\frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )} = \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}

\frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

Aplicar a seguinte propriedade dos radicais:

n \frac{a}{b} = \frac{n a}{n b},

assumindo que

a \geq 0, b \geq 0

= \frac{1 + sin ( \frac{59}{50} )}{900 ( - sin ( \frac{59}{50} ) + 1 )}

Aplicar a seguinte propriedade dos radicais:

n ab = n a n b,

assumindo que

a \geq 0, b \geq 0

900 (- sin (\frac{59}{50}) + 1) = 900 - sin (\frac{59}{50}) + 1

= \frac{1 + sin ( \frac{59}{50} )}{900 - sin ( \frac{59}{50} ) + 1}

900 = 30

900

Fatorar o número:

900 = 3 0^{2}

= 3 0^{2}

Aplicar as propriedades dos radicais:

n a^{n} = a

3 0^{2} = 30

= 30

= \frac{1 + sin ( \frac{59}{50} )}{30 - sin ( \frac{59}{50} ) + 1}

= \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}

- \frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )} = - \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}

- \frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

Simplificar

\frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )} : \frac{1 + sin ( \frac{59}{50} )}{30 - sin ( \frac{59}{50} ) + 1}

\frac{1 + sin ( \frac{59}{50} )}{900 ( 1 - sin ( \frac{59}{50} ) )}

Aplicar a seguinte propriedade dos radicais:

n \frac{a}{b} = \frac{n a}{n b},

assumindo que

a \geq 0, b \geq 0

= \frac{1 + sin ( \frac{59}{50} )}{900 ( - sin ( \frac{59}{50} ) + 1 )}

Aplicar a seguinte propriedade dos radicais:

n ab = n a n b,

assumindo que

a \geq 0, b \geq 0

900 (- sin (\frac{59}{50}) + 1) = 900 - sin (\frac{59}{50}) + 1

= \frac{1 + sin ( \frac{59}{50} )}{900 - sin ( \frac{59}{50} ) + 1}

900 = 30

900

Fatorar o número:

900 = 3 0^{2}

= 3 0^{2}

Aplicar as propriedades dos radicais:

n a^{n} = a

3 0^{2} = 30

= 30

= \frac{1 + sin ( \frac{59}{50} )}{30 - sin ( \frac{59}{50} ) + 1}

= - \frac{sin ( \frac{59}{50} ) + 1}{30 - sin ( \frac{59}{50} ) + 1}

= - \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}

x = \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}, x = - \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}

x = \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}, x = - \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}

x = \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}, x = - \frac{1 + sin ( \frac{59}{50} )}{30 1 - sin ( \frac{59}{50} )}

Gráfico

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