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Popular Trigonometría >

1.5=1+0.6cos((pit)/2)

Solución

1.5 = 1 + 0.6 cos (\frac{π t}{2})

Solución

t = \frac{2 \cdot 0.58568 \dots}{π} + 4 n, t = 4 - \frac{2 \cdot 0.58568 \dots}{π} + 4 n

Grados

t = 21.36324 \dots^{\circ} + 229.18311 \dots^{\circ} n, t = 207.81987 \dots^{\circ} + 229.18311 \dots^{\circ} n

Pasos de solución

1.5 = 1 + 0.6 cos (\frac{π t}{2})

Intercambiar lados

1 + 0.6 cos (\frac{π t}{2}) = 1.5

Multiplicar ambos lados por

10

1 + 0.6 cos (\frac{π t}{2}) = 1.5

Para eliminar los puntos decimales, multiplique por 10 por cada digito después del punto decimalHay un digito a la derecha del punto decimal, por lo que debe multiplicar por

10

1 \cdot 10 + 0.6 cos (\frac{π t}{2}) \cdot 10 = 1.5 \cdot 10

Simplificar

10 + 6 cos (\frac{π t}{2}) = 15

10 + 6 cos (\frac{π t}{2}) = 15

Desplace

10

a la derecha

10 + 6 cos (\frac{π t}{2}) = 15

Restar

10

de ambos lados

10 + 6 cos (\frac{π t}{2}) - 10 = 15 - 10

Simplificar

6 cos (\frac{π t}{2}) = 5

6 cos (\frac{π t}{2}) = 5

Dividir ambos lados entre

6

6 cos (\frac{π t}{2}) = 5

Dividir ambos lados entre

6

\frac{6 cos ( \frac{π t}{2} )}{6} = \frac{5}{6}

Simplificar

cos (\frac{π t}{2}) = \frac{5}{6}

cos (\frac{π t}{2}) = \frac{5}{6}

Aplicar propiedades trigonométricas inversas

cos (\frac{π t}{2}) = \frac{5}{6}

Soluciones generales para

cos (\frac{π t}{2}) = \frac{5}{6}

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

\frac{π t}{2} = arccos (\frac{5}{6}) + 2 πn, \frac{π t}{2} = 2 π - arccos (\frac{5}{6}) + 2 πn

\frac{π t}{2} = arccos (\frac{5}{6}) + 2 πn, \frac{π t}{2} = 2 π - arccos (\frac{5}{6}) + 2 πn

Resolver

\frac{π t}{2} = arccos (\frac{5}{6}) + 2 πn : t = \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n

\frac{π t}{2} = arccos (\frac{5}{6}) + 2 πn

Multiplicar ambos lados por

2

\frac{π t}{2} = arccos (\frac{5}{6}) + 2 πn

Multiplicar ambos lados por

2

\frac{2 π t}{2} = 2 arccos (\frac{5}{6}) + 2 \cdot 2 πn

Simplificar

\frac{2 π t}{2} = 2 arccos (\frac{5}{6}) + 2 \cdot 2 πn

Simplificar

\frac{2 π t}{2} : π t

\frac{2 π t}{2}

Dividir:

\frac{2}{2} = 1

= π t

Simplificar

2 arccos (\frac{5}{6}) + 2 \cdot 2 πn : 2 arccos (\frac{5}{6}) + 4 πn

2 arccos (\frac{5}{6}) + 2 \cdot 2 πn

Multiplicar los numeros:

2 \cdot 2 = 4

= 2 arccos (\frac{5}{6}) + 4 πn

π t = 2 arccos (\frac{5}{6}) + 4 πn

π t = 2 arccos (\frac{5}{6}) + 4 πn

π t = 2 arccos (\frac{5}{6}) + 4 πn

Dividir ambos lados entre

π

π t = 2 arccos (\frac{5}{6}) + 4 πn

Dividir ambos lados entre

π

\frac{π t}{π} = \frac{2 arccos ( \frac{5}{6} )}{π} + \frac{4 πn}{π}

Simplificar

t = \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n

t = \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n

Resolver

\frac{π t}{2} = 2 π - arccos (\frac{5}{6}) + 2 πn : t = 4 - \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n

\frac{π t}{2} = 2 π - arccos (\frac{5}{6}) + 2 πn

Multiplicar ambos lados por

2

\frac{π t}{2} = 2 π - arccos (\frac{5}{6}) + 2 πn

Multiplicar ambos lados por

2

\frac{2 π t}{2} = 2 \cdot 2 π - 2 arccos (\frac{5}{6}) + 2 \cdot 2 πn

Simplificar

\frac{2 π t}{2} = 2 \cdot 2 π - 2 arccos (\frac{5}{6}) + 2 \cdot 2 πn

Simplificar

\frac{2 π t}{2} : π t

\frac{2 π t}{2}

Dividir:

\frac{2}{2} = 1

= π t

Simplificar

2 \cdot 2 π - 2 arccos (\frac{5}{6}) + 2 \cdot 2 πn : 4 π - 2 arccos (\frac{5}{6}) + 4 πn

2 \cdot 2 π - 2 arccos (\frac{5}{6}) + 2 \cdot 2 πn

Multiplicar los numeros:

2 \cdot 2 = 4

= 4 π - 2 arccos (\frac{5}{6}) + 4 πn

π t = 4 π - 2 arccos (\frac{5}{6}) + 4 πn

π t = 4 π - 2 arccos (\frac{5}{6}) + 4 πn

π t = 4 π - 2 arccos (\frac{5}{6}) + 4 πn

Dividir ambos lados entre

π

π t = 4 π - 2 arccos (\frac{5}{6}) + 4 πn

Dividir ambos lados entre

π

\frac{π t}{π} = \frac{4 π}{π} - \frac{2 arccos ( \frac{5}{6} )}{π} + \frac{4 πn}{π}

Simplificar

\frac{π t}{π} = \frac{4 π}{π} - \frac{2 arccos ( \frac{5}{6} )}{π} + \frac{4 πn}{π}

Simplificar

\frac{π t}{π} : t

\frac{π t}{π}

Eliminar los terminos comunes:

π

= t

Simplificar

\frac{4 π}{π} - \frac{2 arccos ( \frac{5}{6} )}{π} + \frac{4 πn}{π} : 4 - \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n

\frac{4 π}{π} - \frac{2 arccos ( \frac{5}{6} )}{π} + \frac{4 πn}{π}

Cancelar

\frac{4 π}{π} : 4

\frac{4 π}{π}

Eliminar los terminos comunes:

π

= 4

= 4 - \frac{2 arccos ( \frac{5}{6} )}{π} + \frac{4 πn}{π}

Cancelar

\frac{4 πn}{π} : 4 n

\frac{4 πn}{π}

Eliminar los terminos comunes:

π

= 4 n

= 4 - \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n

t = 4 - \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n

t = 4 - \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n

t = 4 - \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n

t = \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n, t = 4 - \frac{2 arccos ( \frac{5}{6} )}{π} + 4 n

Mostrar soluciones en forma decimal

t = \frac{2 \cdot 0.58568 \dots}{π} + 4 n, t = 4 - \frac{2 \cdot 0.58568 \dots}{π} + 4 n

Gráfica

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