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Beliebt Rechnen >

integral from-pi/4 to pi/4 of cos(x)

Lösung

\int_{- \frac{π}{4}}^{\frac{π}{4}} cos (x) d x

Lösung

2

+1

Dezimale

1.41421 \dots

Schritte zur Lösung

\int_{- \frac{π}{4}}^{\frac{π}{4}} cos (x) d x

Nutze das gemeinsame Integral :

\int cos (x) d x = sin (x)

= [sin (x)]_{- \frac{π}{4}}^{\frac{π}{4}}

Berechne die Grenzen:

2

= 2

Graph

Beliebte Beispiele

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\int \frac{x ^{2} - x + 9}{( x ^{2} + 9 ) ^{2}} d x

limit as x approaches-5+of (x-5)/(x+5)

x \to - 5 + lim (\frac{x - 5}{x + 5})

(dx)/(dt)=375-(3x)/(800+2t)

\frac{d x}{d t} = 375 - \frac{3 x}{800 + 2 t}

y^'=((y^2+xy-x^2))/(x^2)

y^{^{'}} = \frac{( y ^{2} + x y - x ^{2} )}{x ^{2}}