1.
1.1. .
1. .
2. .
3.
4.
5. , .
6. .
7. .
/: , (, , )
. , .
1.1 , , .
1.2
N |
Z |
I |
Q |
R |
, . N = {1, 2, 3, 4, ..}
0. Z = {..., -3, -2, -1, 0, 1, 2, 3, 4, }
, . Q = N + Z +
, . I = {π, ℓ, }
. R .
. ( ) , , , .
, , . , , .
:
1. .
2. . .
3. , , .
.
, , , . , :
1. , ;
2. , ;
3. ;
4. , . . ;
5. ;
6. , . . ;
7. = tg x , ;
8. = arcsin x y = arcos x , .
, .
2.1 .
: : .
= f (x) , = ()
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. = f (x), , , , f(-x) = f(x), , f(-x) = - f(x).
. = f (x) , , f (x+)= f (x) .