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Referate Live » Matematica » Functia cos si arccos

Functia cos si arccos

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Proprietatile functiei arccos:

1) Intersectia gf cu axele de coordonate :

2) Paritatea :
- nu, arcos(-x)=

3) Simetria graficului:
- in raport cu punctual C(0,


4) Monotonia functiei:
-strict crescatoare pe [-1,1]

5) Marginire.Valori extreme:
- functie marginita,0
- min
- max g(x)=

6) Convezitate si concavitate:
- convexa pe [-1,0]
- concave pe [0,1]
- x=0,punct de inflexiune pentru functie

7) Continuitate:
- curba continua

8) Rezolvarea ecuatiei g(x)=0:
- arccos x=0

9) Semnul functiei:
- arccos x>0,
10) Bijectivitatea
- da
11) Functia inversa


Nota referatului: Nu s-a votat inca