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Popular Trigonometría >

sin(2x)=sin(48)

Solución

sin (2 x) = sin (4 8^{\circ})

Solución

x = 2 4^{\circ} + 18 0^{\circ} n, x = 9 0^{\circ} - 2 4^{\circ} + 18 0^{\circ} n

Radianes

x = \frac{2 π}{15} + πn, x = \frac{π}{2} - \frac{2 π}{15} + πn

Pasos de solución

sin (2 x) = sin (4 8^{\circ})

Aplicar propiedades trigonométricas inversas

sin (2 x) = sin (4 8^{\circ})

Soluciones generales para

sin (2 x) = sin (4 8^{\circ})

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

2 x = arcsin (sin (4 8^{\circ})) + 36 0^{\circ} n, 2 x = 18 0^{\circ} - arcsin (sin (4 8^{\circ})) + 36 0^{\circ} n

2 x = arcsin (sin (4 8^{\circ})) + 36 0^{\circ} n, 2 x = 18 0^{\circ} - arcsin (sin (4 8^{\circ})) + 36 0^{\circ} n

Resolver

2 x = arcsin (sin (4 8^{\circ})) + 36 0^{\circ} n : x = 2 4^{\circ} + 18 0^{\circ} n

2 x = arcsin (sin (4 8^{\circ})) + 36 0^{\circ} n

Dividir ambos lados entre

2

2 x = arcsin (sin (4 8^{\circ})) + 36 0^{\circ} n

Dividir ambos lados entre

2

\frac{2 x}{2} = \frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2} + \frac{36 0 ^{\circ} n}{2}

Simplificar

\frac{2 x}{2} = \frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2} + \frac{36 0 ^{\circ} n}{2}

Simplificar

\frac{2 x}{2} : x

\frac{2 x}{2}

Dividir:

\frac{2}{2} = 1

= x

Simplificar

\frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2} + \frac{36 0 ^{\circ} n}{2} : 2 4^{\circ} + 18 0^{\circ} n

\frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2} + \frac{36 0 ^{\circ} n}{2}

\frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2} = 2 4^{\circ}

\frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2}

arcsin (sin (4 8^{\circ})) = 4 8^{\circ}

arcsin (sin (4 8^{\circ}))

Para

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

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

- 9 0^{\circ} \leq 4 8^{\circ} \leq 9 0^{\circ}

= 4 8^{\circ}

= \frac{4 8 ^{\circ}}{2}

Aplicar las propiedades de las fracciones:

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

= \frac{72 0 ^{\circ}}{15 \cdot 2}

Multiplicar los numeros:

15 \cdot 2 = 30

= 2 4^{\circ}

Eliminar los terminos comunes:

2

= 2 4^{\circ}

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

\frac{36 0 ^{\circ} n}{2} = 18 0^{\circ} n

\frac{36 0 ^{\circ} n}{2}

Dividir:

\frac{2}{2} = 1

= 18 0^{\circ} n

= 2 4^{\circ} + 18 0^{\circ} n

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

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

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

Resolver

2 x = 18 0^{\circ} - arcsin (sin (4 8^{\circ})) + 36 0^{\circ} n : x = 9 0^{\circ} - 2 4^{\circ} + 18 0^{\circ} n

2 x = 18 0^{\circ} - arcsin (sin (4 8^{\circ})) + 36 0^{\circ} n

Dividir ambos lados entre

2

2 x = 18 0^{\circ} - arcsin (sin (4 8^{\circ})) + 36 0^{\circ} n

Dividir ambos lados entre

2

\frac{2 x}{2} = 9 0^{\circ} - \frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2} + \frac{36 0 ^{\circ} n}{2}

Simplificar

\frac{2 x}{2} = 9 0^{\circ} - \frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2} + \frac{36 0 ^{\circ} n}{2}

Simplificar

\frac{2 x}{2} : x

\frac{2 x}{2}

Dividir:

\frac{2}{2} = 1

= x

Simplificar

9 0^{\circ} - \frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2} + \frac{36 0 ^{\circ} n}{2} : 9 0^{\circ} - 2 4^{\circ} + 18 0^{\circ} n

9 0^{\circ} - \frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2} + \frac{36 0 ^{\circ} n}{2}

\frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2} = 2 4^{\circ}

\frac{arcsin ( sin ( 4 8 ^{\circ} ) )}{2}

arcsin (sin (4 8^{\circ})) = 4 8^{\circ}

arcsin (sin (4 8^{\circ}))

Para

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

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

- 9 0^{\circ} \leq 4 8^{\circ} \leq 9 0^{\circ}

= 4 8^{\circ}

= \frac{4 8 ^{\circ}}{2}

Aplicar las propiedades de las fracciones:

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

= \frac{72 0 ^{\circ}}{15 \cdot 2}

Multiplicar los numeros:

15 \cdot 2 = 30

= 2 4^{\circ}

Eliminar los terminos comunes:

2

= 2 4^{\circ}

= 9 0^{\circ} - 2 4^{\circ} + \frac{36 0 ^{\circ} n}{2}

\frac{36 0 ^{\circ} n}{2} = 18 0^{\circ} n

\frac{36 0 ^{\circ} n}{2}

Dividir:

\frac{2}{2} = 1

= 18 0^{\circ} n

= 9 0^{\circ} - 2 4^{\circ} + 18 0^{\circ} n

x = 9 0^{\circ} - 2 4^{\circ} + 18 0^{\circ} n

x = 9 0^{\circ} - 2 4^{\circ} + 18 0^{\circ} n

x = 9 0^{\circ} - 2 4^{\circ} + 18 0^{\circ} n

x = 2 4^{\circ} + 18 0^{\circ} n, x = 9 0^{\circ} - 2 4^{\circ} + 18 0^{\circ} n

Gráfica

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