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(1+tan^2(x))/(1+sec(x))=sec(x)

Lösung

\frac{1 + tan ^{2} ( x )}{1 + sec ( x )} = sec (x)

Keine L \overset{o}{¨} sung f \overset{u}{¨} r x \in R

Schritte zur Lösung

\frac{1 + tan ^{2} ( x )}{1 + sec ( x )} = sec (x)

Subtrahiere

sec (x)

von beiden Seiten

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

Vereinfache

\frac{1 + tan ^{2} ( x )}{1 + sec ( x )} - sec (x) : \frac{1 + tan ^{2} ( x ) - sec ( x ) ( 1 + sec ( x ) )}{1 + sec ( x )}

\frac{1 + tan ^{2} ( x )}{1 + sec ( x )} - sec (x)

Wandle das Element in einen Bruch um:

sec (x) = \frac{sec ( x ) ( 1 + sec ( x ) )}{1 + sec ( x )}

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

Da die Nenner gleich sind, fasse die Brüche zusammen.:

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

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

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

\frac{f ( x )}{g ( x )} = 0 \Rightarrow f (x) = 0

1 + tan^{2} (x) - sec (x) (1 + sec (x)) = 0

Umschreiben mit Hilfe von Trigonometrie-Identitäten

1 + tan^{2} (x) - (1 + sec (x)) sec (x)

Verwende die Pythagoreische Identität:

tan^{2} (x) + 1 = sec^{2} (x)

= - sec (x) (1 + sec (x)) + sec^{2} (x)

Vereinfache

- sec (x) (1 + sec (x)) + sec^{2} (x) : - sec (x)

- sec (x) (1 + sec (x)) + sec^{2} (x)

Multipliziere aus

- sec (x) (1 + sec (x)) : - sec (x) - sec^{2} (x)

- sec (x) (1 + sec (x))

Wende das Distributivgesetz an:

a (b + c) = ab + a c

a = - sec (x), b = 1, c = sec (x)

= - sec (x) \cdot 1 + (- sec (x)) sec (x)

Wende Minus-Plus Regeln an

+ (- a) = - a

= - 1 \cdot sec (x) - sec (x) sec (x)

Vereinfache

- 1 \cdot sec (x) - sec (x) sec (x) : - sec (x) - sec^{2} (x)

- 1 \cdot sec (x) - sec (x) sec (x)

1 \cdot sec (x) = sec (x)

1 \cdot sec (x)

Multipliziere:

1 \cdot sec (x) = sec (x)

= sec (x)

sec (x) sec (x) = sec^{2} (x)

sec (x) sec (x)

Wende Exponentenregel an:

a^{b} \cdot a^{c} = a^{b + c}

sec (x) sec (x) = sec^{1 + 1} (x)

= sec^{1 + 1} (x)

Addiere die Zahlen:

1 + 1 = 2

= sec^{2} (x)

= - sec (x) - sec^{2} (x)

= - sec (x) - sec^{2} (x)

= - sec (x) - sec^{2} (x) + sec^{2} (x)

Addiere gleiche Elemente:

- sec^{2} (x) + sec^{2} (x) = 0

= - sec (x)

= - sec (x)

- sec (x) = 0

Teile beide Seiten durch

- 1

- sec (x) = 0

Teile beide Seiten durch

- 1

\frac{- sec ( x )}{- 1} = \frac{0}{- 1}

Vereinfache

sec (x) = 0

sec (x) = 0

sec (x) \leq - 1 or sec (x) \geq 1

Keine L \overset{o}{¨} sung f \overset{u}{¨} r x \in R

- sin^{2} (x) + 2 cos (x) - 2 = 0

sin (5 x - 1) = \frac{4}{5}

sin^{2} (x) = \frac{1}{36}

tan (x) = 31

sin^{4} (x) + cos^{2} (x) = 2