Trigonometrie Beispiele

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

Schritt 1

Wende das Distributivgesetz an.

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

Schritt 2

Kombiniere $\frac{1}{4}$ und $\cos (\frac{π}{10})$ .

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

Schritt 3

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

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Schritt 3.1

Kombiniere $i$ und $\frac{1}{4}$ .

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

Schritt 3.2

Kombiniere $\frac{i}{4}$ und $\sin (\frac{π}{10})$ .

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

Schritt 4

Wende den binomischen Lehrsatz an.

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

Schritt 5

Vereinfache Terme.

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Schritt 5.1

Vereinfache jeden Term.

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Schritt 5.1.1

Wende die Produktregel auf $\frac{\cos (\frac{π}{10})}{4}$ an.

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

Schritt 5.1.2

Potenziere $4$ mit $5$ .

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

Schritt 5.1.3

Wende die Produktregel auf $\frac{\cos (\frac{π}{10})}{4}$ an.

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

Schritt 5.1.4

Potenziere $4$ mit $4$ .

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

Schritt 5.1.5

Kombiniere $5$ und $\frac{\cos^{4} (\frac{π}{10})}{256}$ .

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

Schritt 5.1.6

Kombinieren.

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

Schritt 5.1.7

Mutltipliziere $256$ mit $4$ .

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

Schritt 5.1.8

Wende die Produktregel auf $\frac{\cos (\frac{π}{10})}{4}$ an.

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

Schritt 5.1.9

Potenziere $4$ mit $3$ .

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

Schritt 5.1.10

Kürze den gemeinsamen Faktor von $2$ .

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Schritt 5.1.10.1

Faktorisiere $2$ aus $10$ heraus.

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

Schritt 5.1.10.2

Faktorisiere $2$ aus $64$ heraus.

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

Schritt 5.1.10.3

Kürze den gemeinsamen Faktor.

Schritt 5.1.10.4

Forme den Ausdruck um.

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

Schritt 5.1.11

Kombiniere $5$ und $\frac{\cos^{3} (\frac{π}{10})}{32}$ .

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

Schritt 5.1.12

Wende die Exponentenregel ${(a b)}^{n} = a^{n} b^{n}$ an, um den Exponenten zu verteilen.

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Schritt 5.1.12.1

Wende die Produktregel auf $\frac{i \sin (\frac{π}{10})}{4}$ an.

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

Schritt 5.1.12.2

Wende die Produktregel auf $i \sin (\frac{π}{10})$ an.

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

Schritt 5.1.13

Kombinieren.

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

Schritt 5.1.14

Vereinfache den Zähler.

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Schritt 5.1.14.1

Schreibe $i^{2}$ als $- 1$ um.

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

Schritt 5.1.14.2

Kombiniere Exponenten.

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Schritt 5.1.14.2.1

Faktorisiere das negative Vorzeichen heraus.

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

Schritt 5.1.14.2.2

Mutltipliziere $5$ mit $- 1$ .

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

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

Schritt 5.1.15

Vereinfache den Nenner.

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Schritt 5.1.15.1

Schreibe $32$ als $2^{5}$ um.

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

Schritt 5.1.15.2

Schreibe $4$ als $2^{2}$ um.

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

Schritt 5.1.15.3

Multipliziere die Exponenten in ${(2^{2})}^{2}$ .

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Schritt 5.1.15.3.1

Wende die Potenzregel an und multipliziere die Exponenten, ${(a^{m})}^{n} = a^{m n}$ .

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

Schritt 5.1.15.3.2

Mutltipliziere $2$ mit $2$ .

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

Schritt 5.1.15.4

Wende die Exponentenregel $a^{m} a^{n} = a^{m + n}$ an, um die Exponenten zu kombinieren.

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

Schritt 5.1.15.5

Addiere $5$ und $4$ .

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

Schritt 5.1.16

Potenziere $2$ mit $9$ .

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

Schritt 5.1.17

Ziehe das Minuszeichen vor den Bruch.

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

Schritt 5.1.18

Wende die Produktregel auf $\frac{\cos (\frac{π}{10})}{4}$ an.

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

Schritt 5.1.19

Potenziere $4$ mit $2$ .

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

Schritt 5.1.20

Kürze den gemeinsamen Faktor von $2$ .

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Schritt 5.1.20.1

Faktorisiere $2$ aus $10$ heraus.

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

Schritt 5.1.20.2

Faktorisiere $2$ aus $16$ heraus.

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

Schritt 5.1.20.3

Kürze den gemeinsamen Faktor.

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

Schritt 5.1.20.4

Forme den Ausdruck um.

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

Schritt 5.1.21

Kombiniere $5$ und $\frac{\cos^{2} (\frac{π}{10})}{8}$ .

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

Schritt 5.1.22

Wende die Exponentenregel ${(a b)}^{n} = a^{n} b^{n}$ an, um den Exponenten zu verteilen.

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Schritt 5.1.22.1

Wende die Produktregel auf $\frac{i \sin (\frac{π}{10})}{4}$ an.

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

Schritt 5.1.22.2

Wende die Produktregel auf $i \sin (\frac{π}{10})$ an.

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

Schritt 5.1.23

Kombinieren.

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

Schritt 5.1.24

Vereinfache den Zähler.

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Schritt 5.1.24.1

Faktorisiere $i^{2}$ aus.

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

Schritt 5.1.24.2

Schreibe $i^{2}$ als $- 1$ um.

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

Schritt 5.1.24.3

Schreibe $- 1 i$ als $- i$ um.

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

Schritt 5.1.24.4

Kombiniere Exponenten.

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Schritt 5.1.24.4.1

Faktorisiere das negative Vorzeichen heraus.

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

Schritt 5.1.24.4.2

Mutltipliziere $5$ mit $- 1$ .

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

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

Schritt 5.1.25

Vereinfache den Nenner.

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Schritt 5.1.25.1

Schreibe $8$ als $2^{3}$ um.

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

Schritt 5.1.25.2

Schreibe $4$ als $2^{2}$ um.

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

Schritt 5.1.25.3

Multipliziere die Exponenten in ${(2^{2})}^{3}$ .

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Schritt 5.1.25.3.1

Wende die Potenzregel an und multipliziere die Exponenten, ${(a^{m})}^{n} = a^{m n}$ .

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

Schritt 5.1.25.3.2

Mutltipliziere $2$ mit $3$ .

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

Schritt 5.1.25.4

Wende die Exponentenregel $a^{m} a^{n} = a^{m + n}$ an, um die Exponenten zu kombinieren.

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

Schritt 5.1.25.5

Addiere $3$ und $6$ .

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

Schritt 5.1.26

Potenziere $2$ mit $9$ .

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

Schritt 5.1.27

Ziehe das Minuszeichen vor den Bruch.

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

Schritt 5.1.28

Kombiniere $5$ und $\frac{\cos (\frac{π}{10})}{4}$ .

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

Schritt 5.1.29

Wende die Exponentenregel ${(a b)}^{n} = a^{n} b^{n}$ an, um den Exponenten zu verteilen.

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Schritt 5.1.29.1

Wende die Produktregel auf $\frac{i \sin (\frac{π}{10})}{4}$ an.

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

Schritt 5.1.29.2

Wende die Produktregel auf $i \sin (\frac{π}{10})$ an.

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

Schritt 5.1.30

Kombinieren.

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

Schritt 5.1.31

Multipliziere $4$ mit $4^{4}$ durch Addieren der Exponenten.

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Schritt 5.1.31.1

Mutltipliziere $4$ mit $4^{4}$ .

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Schritt 5.1.31.1.1

Potenziere $4$ mit $1$ .

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

Schritt 5.1.31.1.2

Wende die Exponentenregel $a^{m} a^{n} = a^{m + n}$ an, um die Exponenten zu kombinieren.

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

Schritt 5.1.31.2

Addiere $1$ und $4$ .

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

Schritt 5.1.32

Vereinfache den Zähler.

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Schritt 5.1.32.1

Schreibe $i^{4}$ als $1$ um.

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Schritt 5.1.32.1.1

Schreibe $i^{4}$ als ${(i^{2})}^{2}$ um.

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

Schritt 5.1.32.1.2

Schreibe $i^{2}$ als $- 1$ um.

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

Schritt 5.1.32.1.3

Potenziere $- 1$ mit $2$ .

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

Schritt 5.1.32.2

Mutltipliziere $5$ mit $1$ .

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

Schritt 5.1.33

Potenziere $4$ mit $5$ .

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

Schritt 5.1.34

Wende die Exponentenregel ${(a b)}^{n} = a^{n} b^{n}$ an, um den Exponenten zu verteilen.

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Schritt 5.1.34.1

Wende die Produktregel auf $\frac{i \sin (\frac{π}{10})}{4}$ an.

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

Schritt 5.1.34.2

Wende die Produktregel auf $i \sin (\frac{π}{10})$ an.

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

Schritt 5.1.35

Vereinfache den Zähler.

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Schritt 5.1.35.1

Faktorisiere $i^{4}$ aus.

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

Schritt 5.1.35.2

Schreibe $i^{4}$ als $1$ um.

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Schritt 5.1.35.2.1

Schreibe $i^{4}$ als ${(i^{2})}^{2}$ um.

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

Schritt 5.1.35.2.2

Schreibe $i^{2}$ als $- 1$ um.

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

Schritt 5.1.35.2.3

Potenziere $- 1$ mit $2$ .

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

Schritt 5.1.35.3

Mutltipliziere $i$ mit $1$ .

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

Schritt 5.1.36

Potenziere $4$ mit $5$ .

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

Schritt 5.2

Vereinfache den Ausdruck.

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Schritt 5.2.1

Stelle die Faktoren in $\frac{\cos^{5} (\frac{π}{10})}{1024} + \frac{5 \cos^{4} (\frac{π}{10}) i \sin (\frac{π}{10})}{1024} - \frac{5 \cos^{3} (\frac{π}{10}) \sin^{2} (\frac{π}{10})}{512} - \frac{5 \cos^{2} (\frac{π}{10}) i \sin^{3} (\frac{π}{10})}{512} + \frac{5 \cos (\frac{π}{10}) \sin^{4} (\frac{π}{10})}{1024} + \frac{i \sin^{5} (\frac{π}{10})}{1024}$ um.

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

Schritt 5.2.2

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

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

Schritt 5.2.3

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

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