6
a
F
1
(
x
)
G
1
(
x
)
F
2
(
x
)
G
2
(
x
)
F
3
(
x
)
G
3
(
x
)
F
4
(
x
)
G
4
(
x
)
11
5
tg
x
arctg
x
ch
x
cos
x
sh
x
arcsin
x
e
x
(1 +
x
)
1/2