limit as x approaches 0 of cos(0)

Lösung

x \to 0 lim (cos (0))

1

Schritte zur Lösung

x \to 0 lim (cos (0))

x \to a lim c = c

= cos (0)

Verwende die folgende triviale Identität:

cos (0) = 1

cos (x)

Periodizitätstabelle mit

2 πn

Zyklus:

x 0 \frac{π}{6} \frac{π}{4} \frac{π}{3} \frac{π}{2} \frac{2 π}{3} \frac{3 π}{4} \frac{5 π}{6} cos (x) 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{2} x π \frac{7 π}{6} \frac{5 π}{4} \frac{4 π}{3} \frac{3 π}{2} \frac{5 π}{3} \frac{7 π}{4} \frac{11 π}{6} cos (x) - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2} 0 \frac{1}{2} \frac{2}{2} \frac{3}{2}

= 1

\int \frac{x ^{2} + 1}{e ^{x}} d x

\frac{d x}{d t} + 4 t x^{3} + \frac{x}{t} = 0

f (x) = \frac{1 - sec ( x )}{tan ( x )}

d er i v a t i v e f (x) = 7 + \frac{2}{x} + \frac{5}{x ^{2}}

\int \frac{1}{( x - 9 ) ( 3 - x )} d x