Определённый интеграл. Гиль Л.Б - 58 стр.

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58
12.11.
3
3
6cos ,
6sin ,
0 3.
x t
y t
t
π
=
=
12.12.
(
)
( )
e cos sin ,
2 .
t
t
x t t
y t t
t
π π
= +
=
12.13.
(
)
( )
2,5 sin ,
2,5 1 cos ,
2 .
x t t
y t
t
π π
=
=
12.14.
(
)
( )
3,5 2cos cos2 ,
3,5 2sin sin 2 ,
0 2.
x t t
y t t
t
π
=
=
12.15.
(
)
( )
6 cos sin ,
6 sin cos ,
0 .
x t t t
y t t t
t
π
= +
=
12.16.
(
)
( )
2
2
2 sin 2 cos ,
2 cos 2 sin ,
0 2.
x t t t t
y t t t t
t
π
= +
= +
12.17.
3
3
8cos ,
8sin ,
0 6.
x t
y t
t
π
=
=
12.18.
(
)
( )
e cos sin ,
0 2 .
t
t
x t t
y t t
t
π
= +
=
12.19.
(
)
( )
4 sin ,
4 1 cos ,
2 2 3.
x t t
y t
t
π π
=
=
12.20.
(
)
( )
2 2cos cos2 ,
2 2sin sin2 ,
0 3.
x t t
y t t
t
π
=
=
12.21.
(
)
( )
8 cos sin ,
8 sin cos ,
0 4.
x t t t
y t t t
t
π
= +
=
12.22.
(
)
( )
2
2
2 sin 2 cos ,
2 cos 2 sin ,
0 2 .
x t t t t
y t t t t
t
π
= +
= +
12.23.
3
3
4cos ,
4sin ,
6 4.
x t
y t
t
π π
=
=
12.24.
(
)
( )
e cos sin ,
0 3 2.
t
t
x t t
y t t
t
π
= +
=
12.25.
(
)
( )
2 sin ,
2 1 cos ,
0 2.
x t t
y t
t
π
=
=
12.26.
(
)
( )
4 2cos cos2 ,
4 2sin sin2 ,
0 .
x t t
y t t
t
π
=
=