Sinus- und Cosinusfunktion, Definition von π, Symmetrie, Periodizitãt, Additionstheoreme, Umkehrfunktionen, Ableitung der Umkehrfunktionen Flashcards

1
Q

Ableitung von sin(x) ?

A

sin’(x) = cos (x)

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2
Q

Ableitung von cos(x) ?

A

cos’(x) = -sin(x)

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3
Q

cos(0) ?

A

1

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4
Q

sin(0) ?

A

0

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5
Q

cos^2(x) + sin^2(x) = ?

A

1

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6
Q

Beschränktheit von sin(x) ?

A

-1 =< sin(x) =< 1

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7
Q

Beschränktheit von cos(x) ?

A

-1 =< cos(x) =< 1

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8
Q

Beschränktheit von sin^2(x) ?

A

0 =< sin^2(x) =< 1

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9
Q

Beschränktheit von cos^2(x) ?

A

0 =< cos^2(x) =< 1

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10
Q

sin(-x) = -sin(x) richtig

A

ja

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11
Q

cos(-x) = -cos(x) richtig ?

A

nö weil symmetrie

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12
Q

sin(a+b) ?

A

sin(a)cos(b) + cos(a)sin(b)

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13
Q

cos(a+b) ?

A

cos(a)cos(b) - sin(a)sin(b)

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14
Q

sin(pi/4) ?

A

1/\sqrt(2)

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15
Q

cos(pi/4) ?

A

1/\sqrt(2)

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16
Q

cos(pi/6) ?

A

\sqrt(3)/2

17
Q

sin(pi/6) ?

A

1(2

18
Q

sin(pi/3) ?

A

\sqrt(3)/2

19
Q

cos(pi/3) ?

A

1/2

20
Q

tan(x) ?

A

sin(x) / cos(x)

21
Q

cot (x) ?

A

cos(x) / sin(x)

22
Q

Wo sind die Nullpunkte von tan(x) ?

A

pi + k

23
Q

1/(1+x^2) ? Stammfunktion ?

A

arctan(x)

24
Q

1/\sqrt(1-x^2)

A

arcsin(x)

25
Q

-1/\sqrt(1-x^2)

A

arccos(x)

26
Q

Ableitung ln(x) ?

A

1/x

27
Q

lim x -> inf ln(x)

A

inf

28
Q

lim x > 0 ln(x)

A
  • inf
29
Q

ln(a*b)

A

ln(a) + ln(b)

30
Q

ln(a/b)

A

ln(a) - ln(b)

31
Q

ist cos(x) oder sin(x) eine gerade Funktion ?

A

cos(x)

32
Q

was bedeutet es für den cos(x) eine gerade Funktion zu sein ?

A

cos(x) = cos(-x)