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Beliebt Rechnen >

integral of sec(x)(tan(x)-sec(x))

Lösung

\int sec (x) (tan (x) - sec (x)) d x

Lösung

sec (x) - tan (x) + C

Schritte zur Lösung

\int sec (x) (tan (x) - sec (x)) d x

Umschreiben mit Hilfe von Trigonometrie-Identitäten

= \int \frac{sin ( x ) - 1}{cos ^{2} ( x )} d x

Multipliziere aus

\frac{sin ( x ) - 1}{cos ^{2} ( x )} : \frac{sin ( x )}{cos ^{2} ( x )} - \frac{1}{cos ^{2} ( x )}

= \int \frac{sin ( x )}{cos ^{2} ( x )} - \frac{1}{cos ^{2} ( x )} d x

Wende die Summenregel an:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int \frac{sin ( x )}{cos ^{2} ( x )} d x - \int \frac{1}{cos ^{2} ( x )} d x

\int \frac{sin ( x )}{cos ^{2} ( x )} d x = sec (x)

\int \frac{1}{cos ^{2} ( x )} d x = tan (x)

= sec (x) - tan (x)

Füge eine Konstante zur Lösung hinzu

= sec (x) - tan (x) + C

Graph

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