Trigonometría Ejemplos

${(\frac{1}{4} \cdot (\cos (\frac{π}{10}) + i \sin (\frac{π}{10})))}^{5}$

Paso 1

Aplica la propiedad distributiva.

${(\frac{1}{4} \cos (\frac{π}{10}) + \frac{1}{4} (i \sin (\frac{π}{10})))}^{5}$

Paso 2

Combina $\frac{1}{4}$ y $\cos (\frac{π}{10})$ .

${(\frac{\cos (\frac{π}{10})}{4} + \frac{1}{4} (i \sin (\frac{π}{10})))}^{5}$

Paso 3

Multiplica $\frac{1}{4} (i \sin (\frac{π}{10}))$ .

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Paso 3.1

Combina $i$ y $\frac{1}{4}$ .

${(\frac{\cos (\frac{π}{10})}{4} + \frac{i}{4} \sin (\frac{π}{10}))}^{5}$

Paso 3.2

Combina $\frac{i}{4}$ y $\sin (\frac{π}{10})$ .

${(\frac{\cos (\frac{π}{10})}{4} + \frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 4

Usa el teorema del binomio.

${(\frac{\cos (\frac{π}{10})}{4})}^{5} + 5 {(\frac{\cos (\frac{π}{10})}{4})}^{4} \frac{i \sin (\frac{π}{10})}{4} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{3} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5

Simplifica los términos.

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Paso 5.1

Simplifica cada término.

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Paso 5.1.1

Aplica la regla del producto a $\frac{\cos (\frac{π}{10})}{4}$ .

$\frac{\cos^{5} (\frac{π}{10})}{4^{5}} + 5 {(\frac{\cos (\frac{π}{10})}{4})}^{4} \frac{i \sin (\frac{π}{10})}{4} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{3} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.2

Eleva $4$ a la potencia de $5$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + 5 {(\frac{\cos (\frac{π}{10})}{4})}^{4} \frac{i \sin (\frac{π}{10})}{4} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{3} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.3

Aplica la regla del producto a $\frac{\cos (\frac{π}{10})}{4}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + 5 \frac{\cos^{4} (\frac{π}{10})}{4^{4}} \frac{i \sin (\frac{π}{10})}{4} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{3} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.4

Eleva $4$ a la potencia de $4$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + 5 \frac{\cos^{4} (\frac{π}{10})}{256} \frac{i \sin (\frac{π}{10})}{4} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{3} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.5

Combina $5$ y $\frac{\cos^{4} (\frac{π}{10})}{256}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10})}{256} \cdot \frac{i \sin (\frac{π}{10})}{4} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{3} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.6

Combinar.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) (i \sin (\frac{π}{10}))}{256 \cdot 4} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{3} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.7

Multiplica $256$ por $4$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{3} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.8

Aplica la regla del producto a $\frac{\cos (\frac{π}{10})}{4}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + 10 \frac{\cos^{3} (\frac{π}{10})}{4^{3}} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.9

Eleva $4$ a la potencia de $3$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + 10 \frac{\cos^{3} (\frac{π}{10})}{64} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.10

Cancela el factor común de $2$ .

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Paso 5.1.10.1

Factoriza $2$ de $10$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + 2 (5) \frac{\cos^{3} (\frac{π}{10})}{64} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.10.2

Factoriza $2$ de $64$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + 2 \cdot 5 \frac{\cos^{3} (\frac{π}{10})}{2 \cdot 32} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.10.3

Cancela el factor común.

Paso 5.1.10.4

Reescribe la expresión.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + 5 \frac{\cos^{3} (\frac{π}{10})}{32} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.11

Combina $5$ y $\frac{\cos^{3} (\frac{π}{10})}{32}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{5 \cos^{3} (\frac{π}{10})}{32} {(\frac{i \sin (\frac{π}{10})}{4})}^{2} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.12

Usa la regla de la potencia ${(a b)}^{n} = a^{n} b^{n}$ para distribuir el exponente.

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Paso 5.1.12.1

Aplica la regla del producto a $\frac{i \sin (\frac{π}{10})}{4}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{5 \cos^{3} (\frac{π}{10})}{32} \cdot \frac{{(i \sin (\frac{π}{10}))}^{2}}{4^{2}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.12.2

Aplica la regla del producto a $i \sin (\frac{π}{10})$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{5 \cos^{3} (\frac{π}{10})}{32} \cdot \frac{i^{2} \sin^{2} (\frac{π}{10})}{4^{2}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.13

Combinar.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{5 \cos^{3} (\frac{π}{10}) (i^{2} \sin^{2} (\frac{π}{10}))}{32 \cdot 4^{2}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.14

Simplifica el numerador.

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Paso 5.1.14.1

Reescribe $i^{2}$ como $- 1$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{5 \cos^{3} (\frac{π}{10}) \cdot - 1 \sin^{2} (\frac{π}{10})}{32 \cdot 4^{2}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.14.2

Combina exponentes.

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Paso 5.1.14.2.1

Factoriza el negativo.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{- (5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10}))}{32 \cdot 4^{2}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.14.2.2

Multiplica $5$ por $- 1$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{- 5 (\cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10}))}{32 \cdot 4^{2}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{- 5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{32 \cdot 4^{2}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.15

Simplifica el denominador.

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Paso 5.1.15.1

Reescribe $32$ como $2^{5}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{- 5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{2^{5} \cdot 4^{2}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.15.2

Reescribe $4$ como $2^{2}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{- 5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{2^{5} \cdot {(2^{2})}^{2}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.15.3

Multiplica los exponentes en ${(2^{2})}^{2}$ .

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Paso 5.1.15.3.1

Aplica la regla de la potencia y multiplica los exponentes, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{- 5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{2^{5} \cdot 2^{2 \cdot 2}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.15.3.2

Multiplica $2$ por $2$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{- 5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{2^{5} \cdot 2^{4}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.15.4

Usa la regla de la potencia $a^{m} a^{n} = a^{m + n}$ para combinar exponentes.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{- 5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{2^{5 + 4}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.15.5

Suma $5$ y $4$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{- 5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{2^{9}} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.16

Eleva $2$ a la potencia de $9$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} + \frac{- 5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.17

Mueve el negativo al frente de la fracción.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + 10 {(\frac{\cos (\frac{π}{10})}{4})}^{2} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.18

Aplica la regla del producto a $\frac{\cos (\frac{π}{10})}{4}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + 10 \frac{\cos^{2} (\frac{π}{10})}{4^{2}} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.19

Eleva $4$ a la potencia de $2$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + 10 \frac{\cos^{2} (\frac{π}{10})}{16} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.20

Cancela el factor común de $2$ .

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Paso 5.1.20.1

Factoriza $2$ de $10$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + 2 (5) \frac{\cos^{2} (\frac{π}{10})}{16} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.20.2

Factoriza $2$ de $16$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + 2 \cdot 5 \frac{\cos^{2} (\frac{π}{10})}{2 \cdot 8} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.20.3

Cancela el factor común.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + 2 \cdot 5 \frac{\cos^{2} (\frac{π}{10})}{2 \cdot 8} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.20.4

Reescribe la expresión.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + 5 \frac{\cos^{2} (\frac{π}{10})}{8} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.21

Combina $5$ y $\frac{\cos^{2} (\frac{π}{10})}{8}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{5 \cos^{2} (\frac{π}{10})}{8} {(\frac{i \sin (\frac{π}{10})}{4})}^{3} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.22

Usa la regla de la potencia ${(a b)}^{n} = a^{n} b^{n}$ para distribuir el exponente.

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Paso 5.1.22.1

Aplica la regla del producto a $\frac{i \sin (\frac{π}{10})}{4}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{5 \cos^{2} (\frac{π}{10})}{8} \cdot \frac{{(i \sin (\frac{π}{10}))}^{3}}{4^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.22.2

Aplica la regla del producto a $i \sin (\frac{π}{10})$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{5 \cos^{2} (\frac{π}{10})}{8} \cdot \frac{i^{3} \sin^{3} (\frac{π}{10})}{4^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.23

Combinar.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{5 \cos^{2} (\frac{π}{10}) (i^{3} \sin^{3} (\frac{π}{10}))}{8 \cdot 4^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.24

Simplifica el numerador.

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Paso 5.1.24.1

Factoriza $i^{2}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{5 \cos^{2} (\frac{π}{10}) (i^{2} \cdot i) \sin^{3} (\frac{π}{10})}{8 \cdot 4^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.24.2

Reescribe $i^{2}$ como $- 1$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{5 \cos^{2} (\frac{π}{10}) (- 1 \cdot i) \sin^{3} (\frac{π}{10})}{8 \cdot 4^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.24.3

Reescribe $- 1 i$ como $- i$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{5 \cos^{2} (\frac{π}{10}) \cdot - 1 i \sin^{3} (\frac{π}{10})}{8 \cdot 4^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.24.4

Combina exponentes.

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Paso 5.1.24.4.1

Factoriza el negativo.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{- (5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10}))}{8 \cdot 4^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.24.4.2

Multiplica $5$ por $- 1$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{- 5 (\cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10}))}{8 \cdot 4^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{- 5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{8 \cdot 4^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.25

Simplifica el denominador.

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Paso 5.1.25.1

Reescribe $8$ como $2^{3}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{- 5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{2^{3} \cdot 4^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.25.2

Reescribe $4$ como $2^{2}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{- 5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{2^{3} \cdot {(2^{2})}^{3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.25.3

Multiplica los exponentes en ${(2^{2})}^{3}$ .

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Paso 5.1.25.3.1

Aplica la regla de la potencia y multiplica los exponentes, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{- 5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{2^{3} \cdot 2^{2 \cdot 3}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.25.3.2

Multiplica $2$ por $3$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{- 5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{2^{3} \cdot 2^{6}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.25.4

Usa la regla de la potencia $a^{m} a^{n} = a^{m + n}$ para combinar exponentes.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{- 5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{2^{3 + 6}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.25.5

Suma $3$ y $6$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{- 5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{2^{9}} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.26

Eleva $2$ a la potencia de $9$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{- 5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.27

Mueve el negativo al frente de la fracción.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + 5 \frac{\cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.28

Combina $5$ y $\frac{\cos (\frac{π}{10})}{4}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10})}{4} {(\frac{i \sin (\frac{π}{10})}{4})}^{4} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.29

Usa la regla de la potencia ${(a b)}^{n} = a^{n} b^{n}$ para distribuir el exponente.

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Paso 5.1.29.1

Aplica la regla del producto a $\frac{i \sin (\frac{π}{10})}{4}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10})}{4} \cdot \frac{{(i \sin (\frac{π}{10}))}^{4}}{4^{4}} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.29.2

Aplica la regla del producto a $i \sin (\frac{π}{10})$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10})}{4} \cdot \frac{i^{4} \sin^{4} (\frac{π}{10})}{4^{4}} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.30

Combinar.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) (i^{4} \sin^{4} (\frac{π}{10}))}{4 \cdot 4^{4}} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.31

Multiplica $4$ por $4^{4}$ sumando los exponentes.

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Paso 5.1.31.1

Multiplica $4$ por $4^{4}$ .

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Paso 5.1.31.1.1

Eleva $4$ a la potencia de $1$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) (i^{4} \sin^{4} (\frac{π}{10}))}{4^{1} \cdot 4^{4}} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.31.1.2

Usa la regla de la potencia $a^{m} a^{n} = a^{m + n}$ para combinar exponentes.

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) (i^{4} \sin^{4} (\frac{π}{10}))}{4^{1 + 4}} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.31.2

Suma $1$ y $4$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) (i^{4} \sin^{4} (\frac{π}{10}))}{4^{5}} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.32

Simplifica el numerador.

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Paso 5.1.32.1

Reescribe $i^{4}$ como $1$ .

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Paso 5.1.32.1.1

Reescribe $i^{4}$ como ${(i^{2})}^{2}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) {(i^{2})}^{2} \sin^{4} (\frac{π}{10})}{4^{5}} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.32.1.2

Reescribe $i^{2}$ como $- 1$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) {(- 1)}^{2} \sin^{4} (\frac{π}{10})}{4^{5}} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.32.1.3

Eleva $- 1$ a la potencia de $2$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \cdot 1 \sin^{4} (\frac{π}{10})}{4^{5}} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.32.2

Multiplica $5$ por $1$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{4^{5}} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.33

Eleva $4$ a la potencia de $5$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + {(\frac{i \sin (\frac{π}{10})}{4})}^{5}$

Paso 5.1.34

Usa la regla de la potencia ${(a b)}^{n} = a^{n} b^{n}$ para distribuir el exponente.

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Paso 5.1.34.1

Aplica la regla del producto a $\frac{i \sin (\frac{π}{10})}{4}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{{(i \sin (\frac{π}{10}))}^{5}}{4^{5}}$

Paso 5.1.34.2

Aplica la regla del producto a $i \sin (\frac{π}{10})$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{i^{5} \sin^{5} (\frac{π}{10})}{4^{5}}$

Paso 5.1.35

Simplifica el numerador.

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Paso 5.1.35.1

Factoriza $i^{4}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{i^{4} i \sin^{5} (\frac{π}{10})}{4^{5}}$

Paso 5.1.35.2

Reescribe $i^{4}$ como $1$ .

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Paso 5.1.35.2.1

Reescribe $i^{4}$ como ${(i^{2})}^{2}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{{(i^{2})}^{2} i \sin^{5} (\frac{π}{10})}{4^{5}}$

Paso 5.1.35.2.2

Reescribe $i^{2}$ como $- 1$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{{(- 1)}^{2} i \sin^{5} (\frac{π}{10})}{4^{5}}$

Paso 5.1.35.2.3

Eleva $- 1$ a la potencia de $2$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{1 i \sin^{5} (\frac{π}{10})}{4^{5}}$

Paso 5.1.35.3

Multiplica $i$ por $1$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{i \sin^{5} (\frac{π}{10})}{4^{5}}$

Paso 5.1.36

Eleva $4$ a la potencia de $5$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{i \sin^{5} (\frac{π}{10})}{1024}$

Paso 5.2

Simplifica la expresión.

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Paso 5.2.1

Reordena los factores en $\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{i \sin^{5} (\frac{π}{10})}{1024}$ .

$\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 i \cos^{4} (\frac{π}{10}) \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 i \cos^{2} (\frac{π}{10}) \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{i \sin^{5} (\frac{π}{10})}{1024}$

Paso 5.2.2

Reordena $\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 i \cos^{4} (\frac{π}{10}) \sin (\frac{π}{10})}{1024}$ y $- \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512}$ .

$- \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 i \cos^{4} (\frac{π}{10}) \sin (\frac{π}{10})}{1024} - \frac{5 i \cos^{2} (\frac{π}{10}) \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{i \sin^{5} (\frac{π}{10})}{1024}$

Paso 5.2.3

Reordena $- \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 i \cos^{4} (\frac{π}{10}) \sin (\frac{π}{10})}{1024} - \frac{5 i \cos^{2} (\frac{π}{10}) \sin^{3} (\frac{π}{10})}{512}$ y $\frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024}$ .

$\frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} + \frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 i \cos^{4} (\frac{π}{10}) \sin (\frac{π}{10})}{1024} - \frac{5 i \cos^{2} (\frac{π}{10}) \sin^{3} (\frac{π}{10})}{512} + \frac{i \sin^{5} (\frac{π}{10})}{1024}$