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= arcsin .

, = sin -1 1, . , sin = , ││ 1 , arcsin a.

.

1. arcsin .

arcsin = , sin = .

2. arcsin

arcsin = , sin = . [-1; 1] arcsin x, , = arcsin .

= arcsin = sin ,

= (. 10).

= arcsin .

1. D(y) = [-1; ].

2. () = .

3. ( ) arcsin (-) = -arcsin .

4. . 1 > 2 arcsin 1 > arcsin 2

5. = 0, = 0.

6. m = y(1) = , ymn = y(-1) = - .

= arccos x.

= cos x [0; π] -1 1, cos x = , || < 1 [0; π] , arccos a.

[0; π], .

1. arccos .

arccos = , cos = i [0;π].

2. arccos .

arccos = , cos = - [0;π].

= arccos x. = arccos x = cos x, x [0; π] = (. 11).

 

= arccos .

1. D(y) = [-1; 1].

2. (y)=[0;π].

3. , OY. arccos (-) = π - arccos .

 

4. . 1 > 2 arccos 1 < arccos 2.

5. = 0, = 1.

6. m = y(-1) =π, ymn = y(1) = 0.

= arctg .

= tg R, - tg = , arctg .

, .

1. arctg = , tg = , .

2. arctg(-1) = - , tg = -1 - .

= arctg : = tg ,

= (. 12).

 

= arctg :

1. D(y)=R.

2. () = .

3. , : arctg (-) = - arctg .

4. . 1< 2 arctg 1 < arctg 2

5. = 0, = 0.

6. > 0, > 0; < 0, < 0.

= arcctg .

= ctg (0; π) R, - (0; π) ctg = . arcctg a.

(0; π), .

1. arcctg = , ctg = (0; π).

2. arcctg = , ctg = - (0; π).

= arcctg x = ctg x = (. 13).

= arcctg :

1. D(y)=R.

2. E(y) = (0; π).

3. , OY. arcctg (-) = π - arcctg .

 

4. . 1< 2 arcctg 1 > arcctg 2.

5. = 0, = .

6. > R.

 



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