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tan(2x-5)=sin^2(30)+sin^2(60)

Solución

tan (2 x - 5) = sin^{2} (3 0^{\circ}) + sin^{2} (6 0^{\circ})

Solución

x = \frac{5}{2} + 22. 5^{\circ} + \frac{18 0 ^{\circ} n}{2}

radianes

x = \frac{5}{2} + \frac{π}{8} + \frac{π}{2} n

Pasos de solución

tan (2 x - 5) = sin^{2} (3 0^{\circ}) + sin^{2} (6 0^{\circ})

sin (3 0^{\circ}) = \frac{1}{2}

sin (3 0^{\circ})

Utilizar la siguiente identidad trivial:

sin (3 0^{\circ}) = \frac{1}{2}

sin (3 0^{\circ})

tabla de valores periódicos con

36 0^{\circ} n

intervalos:

x 0 3 0^{\circ} 4 5^{\circ} 6 0^{\circ} 9 0^{\circ} 12 0^{\circ} 13 5^{\circ} 15 0^{\circ} sin (x) 0 \frac{1}{2} \frac{2}{2} \frac{3}{2} 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} x 18 0^{\circ} 21 0^{\circ} 22 5^{\circ} 24 0^{\circ} 27 0^{\circ} 30 0^{\circ} 31 5^{\circ} 33 0^{\circ} sin (x) 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{2} - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2}

= \frac{1}{2}

= \frac{1}{2}

sin (6 0^{\circ}) = \frac{3}{2}

sin (6 0^{\circ})

Utilizar la siguiente identidad trivial:

sin (6 0^{\circ}) = \frac{3}{2}

sin (6 0^{\circ})

tabla de valores periódicos con

36 0^{\circ} n

intervalos:

x 0 3 0^{\circ} 4 5^{\circ} 6 0^{\circ} 9 0^{\circ} 12 0^{\circ} 13 5^{\circ} 15 0^{\circ} sin (x) 0 \frac{1}{2} \frac{2}{2} \frac{3}{2} 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} x 18 0^{\circ} 21 0^{\circ} 22 5^{\circ} 24 0^{\circ} 27 0^{\circ} 30 0^{\circ} 31 5^{\circ} 33 0^{\circ} sin (x) 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{2} - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2}

= \frac{3}{2}

= \frac{3}{2}

tan (2 x - 5) = (\frac{1}{2})^{2} + (\frac{3}{2})^{2}

Simplificar

(\frac{1}{2})^{2} + (\frac{3}{2})^{2} : 1

(\frac{1}{2})^{2} + (\frac{3}{2})^{2}

(\frac{1}{2})^{2} = \frac{1}{2 ^{2}}

(\frac{1}{2})^{2}

Aplicar las leyes de los exponentes:

(\frac{a}{b})^{c} = \frac{a ^{c}}{b ^{c}}

= \frac{1 ^{2}}{2 ^{2}}

Aplicar la regla

1^{a} = 1

1^{2} = 1

= \frac{1}{2 ^{2}}

(\frac{3}{2})^{2} = \frac{3}{2 ^{2}}

(\frac{3}{2})^{2}

Aplicar las leyes de los exponentes:

(\frac{a}{b})^{c} = \frac{a ^{c}}{b ^{c}}

= \frac{( 3 ) ^{2}}{2 ^{2}}

(3)^{2} : 3

Aplicar las leyes de los exponentes:

a = a^{\frac{1}{2}}

= (3^{\frac{1}{2}})^{2}

Aplicar las leyes de los exponentes:

(a^{b})^{c} = a^{b c}

= 3^{\frac{1}{2} \cdot 2}

\frac{1}{2} \cdot 2 = 1

\frac{1}{2} \cdot 2

Multiplicar fracciones:

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

= \frac{1 \cdot 2}{2}

Eliminar los terminos comunes:

2

= 1

= 3

= \frac{3}{2 ^{2}}

= \frac{1}{2 ^{2}} + \frac{3}{2 ^{2}}

Aplicar la regla

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

= \frac{1 + 3}{2 ^{2}}

Sumar:

1 + 3 = 4

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

Factorizar

4 : 2^{2}

Factorizar

4 = 2^{2}

= \frac{2 ^{2}}{2 ^{2}}

Eliminar los terminos comunes:

2^{2}

= 1

Soluciones generales para

tan (2 x - 5) = 1

tan (x)

tabla de valores periódicos con

18 0^{\circ} n

intervalos:

x 0 3 0^{\circ} 4 5^{\circ} 6 0^{\circ} 9 0^{\circ} 12 0^{\circ} 13 5^{\circ} 15 0^{\circ} tan (x) 0 \frac{3}{3} 13 \pm \infty - 3 - 1 - \frac{3}{3}

2 x - 5 = 4 5^{\circ} + 18 0^{\circ} n

2 x - 5 = 4 5^{\circ} + 18 0^{\circ} n

Resolver

2 x - 5 = 4 5^{\circ} + 18 0^{\circ} n : x = \frac{5}{2} + 22. 5^{\circ} + \frac{18 0 ^{\circ} n}{2}

2 x - 5 = 4 5^{\circ} + 18 0^{\circ} n

Mover

5

al lado derecho

2 x - 5 = 4 5^{\circ} + 18 0^{\circ} n

Sumar

5

a ambos lados

2 x - 5 + 5 = 4 5^{\circ} + 18 0^{\circ} n + 5

Simplificar

2 x = 4 5^{\circ} + 18 0^{\circ} n + 5

2 x = 4 5^{\circ} + 18 0^{\circ} n + 5

Dividir ambos lados entre

2

2 x = 4 5^{\circ} + 18 0^{\circ} n + 5

Dividir ambos lados entre

2

\frac{2 x}{2} = \frac{4 5 ^{\circ}}{2} + \frac{18 0 ^{\circ} n}{2} + \frac{5}{2}

Simplificar

\frac{2 x}{2} = \frac{4 5 ^{\circ}}{2} + \frac{18 0 ^{\circ} n}{2} + \frac{5}{2}

Simplificar

\frac{2 x}{2} : x

\frac{2 x}{2}

Dividir:

\frac{2}{2} = 1

= x

Simplificar

\frac{4 5 ^{\circ}}{2} + \frac{18 0 ^{\circ} n}{2} + \frac{5}{2} : \frac{5}{2} + 22. 5^{\circ} + \frac{18 0 ^{\circ} n}{2}

\frac{4 5 ^{\circ}}{2} + \frac{18 0 ^{\circ} n}{2} + \frac{5}{2}

Agrupar términos semejantes

= \frac{5}{2} + \frac{18 0 ^{\circ} n}{2} + \frac{4 5 ^{\circ}}{2}

\frac{4 5 ^{\circ}}{2} = 22. 5^{\circ}

\frac{4 5 ^{\circ}}{2}

Aplicar las propiedades de las fracciones:

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

= \frac{18 0 ^{\circ}}{4 \cdot 2}

Multiplicar los numeros:

4 \cdot 2 = 8

= 22. 5^{\circ}

= \frac{5}{2} + \frac{18 0 ^{\circ} n}{2} + 22. 5^{\circ}

Agrupar términos semejantes

= \frac{5}{2} + 22. 5^{\circ} + \frac{18 0 ^{\circ} n}{2}

x = \frac{5}{2} + 22. 5^{\circ} + \frac{18 0 ^{\circ} n}{2}

x = \frac{5}{2} + 22. 5^{\circ} + \frac{18 0 ^{\circ} n}{2}

x = \frac{5}{2} + 22. 5^{\circ} + \frac{18 0 ^{\circ} n}{2}

x = \frac{5}{2} + 22. 5^{\circ} + \frac{18 0 ^{\circ} n}{2}

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