Trigonometrie Beispiele

$\frac{\sin^{3} (x) + \cos^{3} (x)}{1 - 2 \cos^{2} (x)} = \frac{\sec (x) - \sin (x)}{\tan (x) - 1}$

Schritt 1

Subtrahiere $\frac{\sec (x) - \sin (x)}{\tan (x) - 1}$ von beiden Seiten der Gleichung.

$\frac{\sin^{3} (x) + \cos^{3} (x)}{1 - 2 \cos^{2} (x)} - \frac{\sec (x) - \sin (x)}{\tan (x) - 1} = 0$

Schritt 2

Vereinfache $\frac{\sin^{3} (x) + \cos^{3} (x)}{1 - 2 \cos^{2} (x)} - \frac{\sec (x) - \sin (x)}{\tan (x) - 1}$ .

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Schritt 2.1

Vereinfache jeden Term.

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Schritt 2.1.1

Vereinfache den Zähler.

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Schritt 2.1.1.1

Da beide Terme perfekte Terme zur dritten Potenz sind, faktorisiere mithilfe der Formel für die Summe kubischer Terme, $a^{3} + b^{3} = (a + b) (a^{2} - a b + b^{2})$ , wobei $a = \sin (x)$ und $b = \cos (x)$ .

$\frac{(\sin (x) + \cos (x)) (\sin^{2} (x) - \sin (x) \cos (x) + \cos^{2} (x))}{1 - 2 \cos^{2} (x)} - \frac{\sec (x) - \sin (x)}{\tan (x) - 1} = 0$

Schritt 2.1.1.2

Vereinfache.

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Schritt 2.1.1.2.1

Ordne Terme um.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + \sin^{2} (x) + \cos^{2} (x))}{1 - 2 \cos^{2} (x)} - \frac{\sec (x) - \sin (x)}{\tan (x) - 1} = 0$

Schritt 2.1.1.2.2

Wende den trigonometrischen Pythagoras an.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{\sec (x) - \sin (x)}{\tan (x) - 1} = 0$

Schritt 2.1.2

Schreibe $\sec (x)$ mithilfe von Sinus und Kosinus um.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{\frac{1}{\cos (x)} - \sin (x)}{\tan (x) - 1} = 0$

Schritt 2.1.3

Schreibe $\tan (x)$ mithilfe von Sinus und Kosinus um.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{\frac{1}{\cos (x)} - \sin (x)}{\frac{\sin (x)}{\cos (x)} - 1} = 0$

Schritt 2.1.4

Multiply the numerator and denominator of the fraction by $\cos (x)$ .

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Schritt 2.1.4.1

Mutltipliziere $\frac{\frac{1}{\cos (x)} - \sin (x)}{\frac{\sin (x)}{\cos (x)} - 1}$ mit $\frac{\cos (x)}{\cos (x)}$ .

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - (\frac{\cos (x)}{\cos (x)} \cdot \frac{\frac{1}{\cos (x)} - \sin (x)}{\frac{\sin (x)}{\cos (x)} - 1}) = 0$

Schritt 2.1.4.2

Kombinieren.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{\cos (x) (\frac{1}{\cos (x)} - \sin (x))}{\cos (x) (\frac{\sin (x)}{\cos (x)} - 1)} = 0$

Schritt 2.1.5

Wende das Distributivgesetz an.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{\cos (x) \frac{1}{\cos (x)} + \cos (x) (- \sin (x))}{\cos (x) \frac{\sin (x)}{\cos (x)} + \cos (x) \cdot - 1} = 0$

Schritt 2.1.6

Vereinfache durch Kürzen.

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Schritt 2.1.6.1

Kürze den gemeinsamen Faktor von $\cos (x)$ .

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Schritt 2.1.6.1.1

Kürze den gemeinsamen Faktor.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{\cos (x) \frac{1}{\cos (x)} + \cos (x) (- \sin (x))}{\cos (x) \frac{\sin (x)}{\cos (x)} + \cos (x) \cdot - 1} = 0$

Schritt 2.1.6.1.2

Forme den Ausdruck um.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{1 + \cos (x) (- \sin (x))}{\cos (x) \frac{\sin (x)}{\cos (x)} + \cos (x) \cdot - 1} = 0$

Schritt 2.1.6.2

Kürze den gemeinsamen Faktor von $\cos (x)$ .

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Schritt 2.1.6.2.1

Kürze den gemeinsamen Faktor.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{1 + \cos (x) (- \sin (x))}{\cos (x) \frac{\sin (x)}{\cos (x)} + \cos (x) \cdot - 1} = 0$

Schritt 2.1.6.2.2

Forme den Ausdruck um.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{1 + \cos (x) (- \sin (x))}{\sin (x) + \cos (x) \cdot - 1} = 0$

Schritt 2.1.7

Schreibe neu unter Anwendung des Kommutativgesetzes der Multiplikation.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{1 - \cos (x) \sin (x)}{\sin (x) + \cos (x) \cdot - 1} = 0$

Schritt 2.1.8

Vereinfache den Nenner.

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Schritt 2.1.8.1

Bringe $- 1$ auf die linke Seite von $\cos (x)$ .

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{1 - \cos (x) \sin (x)}{\sin (x) - 1 \cdot \cos (x)} = 0$

Schritt 2.1.8.2

Schreibe $- 1 \cos (x)$ als $- \cos (x)$ um.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} - \frac{1 - \cos (x) \sin (x)}{\sin (x) - \cos (x)} = 0$

Schritt 2.2

Um $\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)}$ als Bruch mit einem gemeinsamen Nenner zu schreiben, multipliziere mit $\frac{\sin (x) - \cos (x)}{\sin (x) - \cos (x)}$ .

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} \cdot \frac{\sin (x) - \cos (x)}{\sin (x) - \cos (x)} - \frac{1 - \cos (x) \sin (x)}{\sin (x) - \cos (x)} = 0$

Schritt 2.3

Um $- \frac{1 - \cos (x) \sin (x)}{\sin (x) - \cos (x)}$ als Bruch mit einem gemeinsamen Nenner zu schreiben, multipliziere mit $\frac{1 - 2 \cos^{2} (x)}{1 - 2 \cos^{2} (x)}$ .

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)} \cdot \frac{\sin (x) - \cos (x)}{\sin (x) - \cos (x)} - \frac{1 - \cos (x) \sin (x)}{\sin (x) - \cos (x)} \cdot \frac{1 - 2 \cos^{2} (x)}{1 - 2 \cos^{2} (x)} = 0$

Schritt 2.4

Schreibe jeden Ausdruck mit einem gemeinsamen Nenner von $(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))$ , indem du jeden mit einem entsprechenden Faktor von $1$ multiplizierst.

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Schritt 2.4.1

Mutltipliziere $\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)}{1 - 2 \cos^{2} (x)}$ mit $\frac{\sin (x) - \cos (x)}{\sin (x) - \cos (x)}$ .

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1) (\sin (x) - \cos (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} - \frac{1 - \cos (x) \sin (x)}{\sin (x) - \cos (x)} \cdot \frac{1 - 2 \cos^{2} (x)}{1 - 2 \cos^{2} (x)} = 0$

Schritt 2.4.2

Mutltipliziere $\frac{1 - \cos (x) \sin (x)}{\sin (x) - \cos (x)}$ mit $\frac{1 - 2 \cos^{2} (x)}{1 - 2 \cos^{2} (x)}$ .

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1) (\sin (x) - \cos (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} - \frac{(1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(\sin (x) - \cos (x)) (1 - 2 \cos^{2} (x))} = 0$

Schritt 2.4.3

Stelle die Faktoren von $(\sin (x) - \cos (x)) (1 - 2 \cos^{2} (x))$ um.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1) (\sin (x) - \cos (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} - \frac{(1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.5

Vereinige die Zähler über dem gemeinsamen Nenner.

$\frac{(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6

Vereinfache den Zähler.

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Schritt 2.6.1

Multipliziere $(\sin (x) + \cos (x)) (- \sin (x) \cos (x) + 1)$ aus unter Verwendung der FOIL-Methode.

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Schritt 2.6.1.1

Wende das Distributivgesetz an.

$\frac{(\sin (x) (- \sin (x) \cos (x) + 1) + \cos (x) (- \sin (x) \cos (x) + 1)) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.1.2

Wende das Distributivgesetz an.

$\frac{(\sin (x) (- \sin (x) \cos (x)) + \sin (x) \cdot 1 + \cos (x) (- \sin (x) \cos (x) + 1)) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.1.3

Wende das Distributivgesetz an.

$\frac{(\sin (x) (- \sin (x) \cos (x)) + \sin (x) \cdot 1 + \cos (x) (- \sin (x) \cos (x)) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2

Vereinfache jeden Term.

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Schritt 2.6.2.1

Schreibe neu unter Anwendung des Kommutativgesetzes der Multiplikation.

$\frac{(- \sin (x) \sin (x) \cos (x) + \sin (x) \cdot 1 + \cos (x) (- \sin (x) \cos (x)) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.2

Multipliziere $- \sin (x) \sin (x)$ .

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Schritt 2.6.2.2.1

Potenziere $\sin (x)$ mit $1$ .

$\frac{(- (\sin^{1} (x) \sin (x)) \cos (x) + \sin (x) \cdot 1 + \cos (x) (- \sin (x) \cos (x)) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.2.2

Potenziere $\sin (x)$ mit $1$ .

$\frac{(- (\sin^{1} (x) \sin^{1} (x)) \cos (x) + \sin (x) \cdot 1 + \cos (x) (- \sin (x) \cos (x)) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.2.3

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

$\frac{(- {\sin (x)}^{1 + 1} \cos (x) + \sin (x) \cdot 1 + \cos (x) (- \sin (x) \cos (x)) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.2.4

Addiere $1$ und $1$ .

$\frac{(- \sin^{2} (x) \cos (x) + \sin (x) \cdot 1 + \cos (x) (- \sin (x) \cos (x)) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.3

Mutltipliziere $\sin (x)$ mit $1$ .

$\frac{(- \sin^{2} (x) \cos (x) + \sin (x) + \cos (x) (- \sin (x) \cos (x)) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.4

Schreibe neu unter Anwendung des Kommutativgesetzes der Multiplikation.

$\frac{(- \sin^{2} (x) \cos (x) + \sin (x) - \cos (x) \sin (x) \cos (x) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.5

Multipliziere $- \cos (x) \sin (x) \cos (x)$ .

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Schritt 2.6.2.5.1

Potenziere $\cos (x)$ mit $1$ .

$\frac{(- \sin^{2} (x) \cos (x) + \sin (x) - (\cos^{1} (x) \cos (x)) \sin (x) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.5.2

Potenziere $\cos (x)$ mit $1$ .

$\frac{(- \sin^{2} (x) \cos (x) + \sin (x) - (\cos^{1} (x) \cos^{1} (x)) \sin (x) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.5.3

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

$\frac{(- \sin^{2} (x) \cos (x) + \sin (x) - {\cos (x)}^{1 + 1} \sin (x) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.5.4

Addiere $1$ und $1$ .

$\frac{(- \sin^{2} (x) \cos (x) + \sin (x) - \cos^{2} (x) \sin (x) + \cos (x) \cdot 1) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.2.6

Mutltipliziere $\cos (x)$ mit $1$ .

$\frac{(- \sin^{2} (x) \cos (x) + \sin (x) - \cos^{2} (x) \sin (x) + \cos (x)) (\sin (x) - \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.3

Multipliziere $(- \sin^{2} (x) \cos (x) + \sin (x) - \cos^{2} (x) \sin (x) + \cos (x)) (\sin (x) - \cos (x))$ aus durch Multiplizieren jedes Terms des ersten Ausdrucks mit jedem Term des zweiten Ausdrucks.

$\frac{- \sin^{2} (x) \cos (x) \sin (x) - \sin^{2} (x) \cos (x) (- \cos (x)) + \sin (x) \sin (x) + \sin (x) (- \cos (x)) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) \sin (x) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.4

Vereine die Terme mit entgegengesetztem Vorzeichen in $- \sin^{2} (x) \cos (x) \sin (x) - \sin^{2} (x) \cos (x) (- \cos (x)) + \sin (x) \sin (x) + \sin (x) (- \cos (x)) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) \sin (x) + \cos (x) (- \cos (x))$ .

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Schritt 2.6.4.1

Ordne die Faktoren in den Termen $\sin (x) (- \cos (x))$ und $\cos (x) \sin (x)$ neu an.

$\frac{- \sin^{2} (x) \cos (x) \sin (x) - \sin^{2} (x) \cos (x) (- \cos (x)) + \sin (x) \sin (x) - \cos (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) \sin (x) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.4.2

Addiere $- \cos (x) \sin (x)$ und $\cos (x) \sin (x)$ .

$\frac{- \sin^{2} (x) \cos (x) \sin (x) - \sin^{2} (x) \cos (x) (- \cos (x)) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + 0 + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.4.3

Addiere $- \sin^{2} (x) \cos (x) \sin (x) - \sin^{2} (x) \cos (x) (- \cos (x)) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x))$ und $0$ .

$\frac{- \sin^{2} (x) \cos (x) \sin (x) - \sin^{2} (x) \cos (x) (- \cos (x)) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5

Vereinfache jeden Term.

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Schritt 2.6.5.1

Multipliziere $\sin^{2} (x)$ mit $\sin (x)$ durch Addieren der Exponenten.

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Schritt 2.6.5.1.1

Bewege $\sin (x)$ .

$\frac{- (\sin (x) \sin^{2} (x)) \cos (x) - \sin^{2} (x) \cos (x) (- \cos (x)) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.1.2

Mutltipliziere $\sin (x)$ mit $\sin^{2} (x)$ .

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Schritt 2.6.5.1.2.1

Potenziere $\sin (x)$ mit $1$ .

$\frac{- (\sin^{1} (x) \sin^{2} (x)) \cos (x) - \sin^{2} (x) \cos (x) (- \cos (x)) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.1.2.2

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

$\frac{- {\sin (x)}^{1 + 2} \cos (x) - \sin^{2} (x) \cos (x) (- \cos (x)) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.1.3

Addiere $1$ und $2$ .

$\frac{- \sin^{3} (x) \cos (x) - \sin^{2} (x) \cos (x) (- \cos (x)) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.2

Multipliziere $- \sin^{2} (x) \cos (x) (- \cos (x))$ .

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Schritt 2.6.5.2.1

Mutltipliziere $- 1$ mit $- 1$ .

$\frac{- \sin^{3} (x) \cos (x) + 1 \sin^{2} (x) \cos (x) \cos (x) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.2.2

Mutltipliziere $\sin^{2} (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos (x) \cos (x) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.2.3

Potenziere $\cos (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) (\cos^{1} (x) \cos (x)) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.2.4

Potenziere $\cos (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) (\cos^{1} (x) \cos^{1} (x)) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.2.5

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

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) {\cos (x)}^{1 + 1} + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.2.6

Addiere $1$ und $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.3

Multipliziere $\sin (x) \sin (x)$ .

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Schritt 2.6.5.3.1

Potenziere $\sin (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{1} (x) \sin (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.3.2

Potenziere $\sin (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{1} (x) \sin^{1} (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.3.3

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

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + {\sin (x)}^{1 + 1} - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.3.4

Addiere $1$ und $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin (x) \sin (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.4

Multipliziere $- \cos^{2} (x) \sin (x) \sin (x)$ .

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Schritt 2.6.5.4.1

Potenziere $\sin (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) (\sin^{1} (x) \sin (x)) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.4.2

Potenziere $\sin (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) (\sin^{1} (x) \sin^{1} (x)) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.4.3

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

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) {\sin (x)}^{1 + 1} - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.4.4

Addiere $1$ und $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) - \cos^{2} (x) \sin (x) (- \cos (x)) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.5

Multipliziere $\cos^{2} (x)$ mit $\cos (x)$ durch Addieren der Exponenten.

Tippen, um mehr Schritte zu sehen ...

Schritt 2.6.5.5.1

Bewege $\cos (x)$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) - (\cos (x) \cos^{2} (x)) \sin (x) \cdot - 1 + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.5.2

Mutltipliziere $\cos (x)$ mit $\cos^{2} (x)$ .

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Schritt 2.6.5.5.2.1

Potenziere $\cos (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) - (\cos^{1} (x) \cos^{2} (x)) \sin (x) \cdot - 1 + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.5.2.2

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

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) - {\cos (x)}^{1 + 2} \sin (x) \cdot - 1 + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.5.3

Addiere $1$ und $2$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) - \cos^{3} (x) \sin (x) \cdot - 1 + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.6

Multipliziere $- \cos^{3} (x) \sin (x) \cdot - 1$ .

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Schritt 2.6.5.6.1

Mutltipliziere $- 1$ mit $- 1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) + 1 \cos^{3} (x) \sin (x) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.6.2

Mutltipliziere $\cos^{3} (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) + \cos^{3} (x) \sin (x) + \cos (x) (- \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.7

Schreibe neu unter Anwendung des Kommutativgesetzes der Multiplikation.

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos (x) \cos (x) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.8

Multipliziere $- \cos (x) \cos (x)$ .

Tippen, um mehr Schritte zu sehen ...

Schritt 2.6.5.8.1

Potenziere $\cos (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) + \cos^{3} (x) \sin (x) - (\cos^{1} (x) \cos (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.8.2

Potenziere $\cos (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) + \cos^{3} (x) \sin (x) - (\cos^{1} (x) \cos^{1} (x)) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.8.3

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

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) + \cos^{3} (x) \sin (x) - {\cos (x)}^{1 + 1} - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.5.8.4

Addiere $1$ und $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.6

Vereine die Terme mit entgegengesetztem Vorzeichen in $- \sin^{3} (x) \cos (x) + \sin^{2} (x) \cos^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x)$ .

Tippen, um mehr Schritte zu sehen ...

Schritt 2.6.6.1

Ordne die Faktoren in den Termen $\sin^{2} (x) \cos^{2} (x)$ und $- \cos^{2} (x) \sin^{2} (x)$ neu an.

$\frac{- \sin^{3} (x) \cos (x) + \cos^{2} (x) \sin^{2} (x) + \sin^{2} (x) - \cos^{2} (x) \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.6.2

Subtrahiere $\cos^{2} (x) \sin^{2} (x)$ von $\cos^{2} (x) \sin^{2} (x)$ .

$\frac{- \sin^{3} (x) \cos (x) + 0 + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.6.3

Addiere $- \sin^{3} (x) \cos (x)$ und $0$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - (1 - \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.7

Wende das Distributivgesetz an.

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) + (- 1 \cdot 1 - (- \cos (x) \sin (x))) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.8

Mutltipliziere $- 1$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) + (- 1 - (- \cos (x) \sin (x))) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.9

Multipliziere $- (- \cos (x) \sin (x))$ .

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Schritt 2.6.9.1

Mutltipliziere $- 1$ mit $- 1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) + (- 1 + 1 (\cos (x) \sin (x))) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.9.2

Mutltipliziere $\cos (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) + (- 1 + \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.10

Multipliziere $(- 1 + \cos (x) \sin (x)) (1 - 2 \cos^{2} (x))$ aus unter Verwendung der FOIL-Methode.

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Schritt 2.6.10.1

Wende das Distributivgesetz an.

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 (1 - 2 \cos^{2} (x)) + \cos (x) \sin (x) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.10.2

Wende das Distributivgesetz an.

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 \cdot 1 - 1 (- 2 \cos^{2} (x)) + \cos (x) \sin (x) (1 - 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.10.3

Wende das Distributivgesetz an.

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 \cdot 1 - 1 (- 2 \cos^{2} (x)) + \cos (x) \sin (x) \cdot 1 + \cos (x) \sin (x) (- 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.11

Vereinfache jeden Term.

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Schritt 2.6.11.1

Mutltipliziere $- 1$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 - 1 (- 2 \cos^{2} (x)) + \cos (x) \sin (x) \cdot 1 + \cos (x) \sin (x) (- 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.11.2

Mutltipliziere $- 2$ mit $- 1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 + 2 \cos^{2} (x) + \cos (x) \sin (x) \cdot 1 + \cos (x) \sin (x) (- 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.11.3

Mutltipliziere $\cos (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 + 2 \cos^{2} (x) + \cos (x) \sin (x) + \cos (x) \sin (x) (- 2 \cos^{2} (x))}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.11.4

Schreibe neu unter Anwendung des Kommutativgesetzes der Multiplikation.

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 + 2 \cos^{2} (x) + \cos (x) \sin (x) - 2 \cos (x) \sin (x) \cos^{2} (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.11.5

Multipliziere $\cos (x)$ mit $\cos^{2} (x)$ durch Addieren der Exponenten.

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Schritt 2.6.11.5.1

Bewege $\cos^{2} (x)$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 + 2 \cos^{2} (x) + \cos (x) \sin (x) - 2 (\cos^{2} (x) \cos (x)) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.11.5.2

Mutltipliziere $\cos^{2} (x)$ mit $\cos (x)$ .

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Schritt 2.6.11.5.2.1

Potenziere $\cos (x)$ mit $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 + 2 \cos^{2} (x) + \cos (x) \sin (x) - 2 (\cos^{2} (x) \cos^{1} (x)) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.11.5.2.2

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

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 + 2 \cos^{2} (x) + \cos (x) \sin (x) - 2 {\cos (x)}^{2 + 1} \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.11.5.3

Addiere $2$ und $1$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) + \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 + 2 \cos^{2} (x) + \cos (x) \sin (x) - 2 \cos^{3} (x) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.12

Subtrahiere $2 \cos^{3} (x) \sin (x)$ von $\cos^{3} (x) \sin (x)$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) - \cos^{3} (x) \sin (x) - \cos^{2} (x) - 1 + 2 \cos^{2} (x) + \cos (x) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.13

Addiere $- \cos^{2} (x)$ und $2 \cos^{2} (x)$ .

$\frac{- \sin^{3} (x) \cos (x) + \sin^{2} (x) - \cos^{3} (x) \sin (x) - 1 + \cos^{2} (x) + \cos (x) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14

Schreibe $- \sin^{3} (x) \cos (x) + \sin^{2} (x) - \cos^{3} (x) \sin (x) - 1 + \cos^{2} (x) + \cos (x) \sin (x)$ in eine faktorisierte Form um.

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Schritt 2.6.14.1

Ordne Terme um.

$\frac{- \sin^{3} (x) \cos (x) - \cos^{3} (x) \sin (x) - 1 + \sin^{2} (x) + \cos^{2} (x) + \cos (x) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.2

Wende den trigonometrischen Pythagoras an.

$\frac{- \sin^{3} (x) \cos (x) - \cos^{3} (x) \sin (x) - 1 + 1 + \cos (x) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.3

Addiere $- 1$ und $1$ .

$\frac{- \sin^{3} (x) \cos (x) - \cos^{3} (x) \sin (x) + 0 + \cos (x) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.4

Addiere $- \sin^{3} (x) \cos (x)$ und $0$ .

$\frac{- \sin^{3} (x) \cos (x) - \cos^{3} (x) \sin (x) + \cos (x) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.5

Schreibe $- \sin^{3} (x) \cos (x) - \cos^{3} (x) \sin (x) + \cos (x) \sin (x)$ in eine faktorisierte Form um.

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Schritt 2.6.14.5.1

Faktorisiere $\sin (x) \cos (x)$ aus $- \sin^{3} (x) \cos (x) - \cos^{3} (x) \sin (x) + \cos (x) \sin (x)$ heraus.

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Schritt 2.6.14.5.1.1

Faktorisiere $\sin (x) \cos (x)$ aus $- \sin^{3} (x) \cos (x)$ heraus.

$\frac{\sin (x) \cos (x) (- \sin^{2} (x)) - \cos^{3} (x) \sin (x) + \cos (x) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.5.1.2

Faktorisiere $\sin (x) \cos (x)$ aus $- \cos^{3} (x) \sin (x)$ heraus.

$\frac{\sin (x) \cos (x) (- \sin^{2} (x)) + \sin (x) \cos (x) (- \cos^{2} (x)) + \cos (x) \sin (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.5.1.3

Faktorisiere $\sin (x) \cos (x)$ aus $\cos (x) \sin (x)$ heraus.

$\frac{\sin (x) \cos (x) (- \sin^{2} (x)) + \sin (x) \cos (x) (- \cos^{2} (x)) + \sin (x) \cos (x) (1)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.5.1.4

Faktorisiere $\sin (x) \cos (x)$ aus $\sin (x) \cos (x) (- \sin^{2} (x)) + \sin (x) \cos (x) (- \cos^{2} (x))$ heraus.

$\frac{\sin (x) \cos (x) (- \sin^{2} (x) - \cos^{2} (x)) + \sin (x) \cos (x) (1)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.5.1.5

Faktorisiere $\sin (x) \cos (x)$ aus $\sin (x) \cos (x) (- \sin^{2} (x) - \cos^{2} (x)) + \sin (x) \cos (x) (1)$ heraus.

$\frac{\sin (x) \cos (x) (- \sin^{2} (x) - \cos^{2} (x) + 1)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.5.2

Faktorisiere $- 1$ aus $- \sin^{2} (x)$ heraus.

$\frac{\sin (x) \cos (x) (- (\sin^{2} (x)) - \cos^{2} (x) + 1)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.5.3

Faktorisiere $- 1$ aus $- \cos^{2} (x)$ heraus.

$\frac{\sin (x) \cos (x) (- (\sin^{2} (x)) - (\cos^{2} (x)) + 1)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.5.4

Faktorisiere $- 1$ aus $- (\sin^{2} (x)) - (\cos^{2} (x))$ heraus.

$\frac{\sin (x) \cos (x) (- (\sin^{2} (x) + \cos^{2} (x)) + 1)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.5.5

Wende den trigonometrischen Pythagoras an.

$\frac{\sin (x) \cos (x) (- 1 \cdot 1 + 1)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.14.5.6

Mutltipliziere $- 1$ mit $1$ .

$\frac{\sin (x) \cos (x) (- 1 + 1)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.15

Addiere $- 1$ und $1$ .

$\frac{\sin (x) \cos (x) \cdot 0}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.16

Kombiniere Exponenten.

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Schritt 2.6.16.1

Mutltipliziere $0$ mit $\sin (x)$ .

$\frac{0 \cos (x)}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.6.16.2

Mutltipliziere $0$ mit $\cos (x)$ .

$\frac{0}{(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))} = 0$

Schritt 2.7

Dividiere $0$ durch $(1 - 2 \cos^{2} (x)) (\sin (x) - \cos (x))$ .

$0 = 0$

Schritt 3

Da $0 = 0$ , wird die Gleichung immer erfüllt sein für jeden Wert von $x$ .

Alle reellen Zahlen

Schritt 4

Das Ergebnis kann in mehreren Formen wiedergegeben werden.

Alle reellen Zahlen

Intervallschreibweise:

$(- \infty, \infty)$