80

1( ) =

1 + | |

1 +

.

9.

3

2

, 2( ) = sin

2

1 +

10.

1( ) = 1 +

+ 1 + .

3

1 + | |

, 2( ) =

1 + cos4

.

11.

1( ) = √1 + + 2

3 +

1( ) = 2 ln(1 + 2) ,

2( ) = (1 + cos2 )5.

12.

3

3

1 +

, 2( ) = − + 2

−2

.

13.

1( ) = 20 + √1 + 2

14. 1( ) = 3 + 1 + 2,

2( ) = 2 −2 cos .

15.

1( ) =

2

2

, 2( ) = 2 | cos |.

1 + 1 +

3

1( ) = −3 + | |

, 2( ) = −2 + 3 + .

16.

1

1 +

cos

17.

1( ) = 1 + 2

, 2( ) = −1 + 1 + 3 + .

18.

1 + + 2

2 sin( −1)

1( ) =

1 + 2 ,

2( ) = 1 + 1 + ( −1)2.

3 +

2

.

19.

1( ) = 1 + 1 + 2

, 2( ) = 1 + (1 −sin )

1

+ 2

, 2( ) = √1 + sin

2

.

20.

1( ) = 1

+ 2

| |

−2

2

.

21.

1( ) = 1 + 2

, 2( ) = 1 +

1 +

2( ) = cos 3( + 0,5) .

22.

1( ) = 1 + | | − ,

1 + 2

2( ) = 60 +

−

cos 3 .

23.

1( ) = 1 + | sin | ,

24.

1 + cos 2

2( ) = 0,5 + 1 −

+ 5

2

1( ) =

1 +

4

,

4

−1 .

1( ) = 1 + | | −20,

2( ) = −3 sin 2 .

25.

−2

26.

2 + sin

+ 5

2

1( ) = 1 + √1 + + 2 ,

−1 .

2( ) = 1 − 1 − 5

1( ) =

−2

sin ,

5

−30.

27.

4

3

cos 5

28.

1( ) = 1 +

, 2( ) = 1 + 2.