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s
n
:=
1
1
n
!
s
(
n
)
(
B
0
)
2
.
1
s
(
n
)
(
B
0
)
,
n
(
n
−
1)
·····
given in detail by the coecients of Box
15.1
.
Box 15.1 (Taylor expansion of
r
(
B
)and
s
(
B
)).
Taylor expansion of
r
(
B
) up to order three:
r
:
G
11
G
22
=
=cos
B
1
E
2
sin
2
B
1
− E
2
−
=
(15.37)
N
N
1
n
!
r
(
n
)
(
B
0
)
b
n
=
r
n
b
n
,
=
n
=0
n
=0
E
2
sin
2
B
0
)
r
0
=+
cos
B
0
(1
−
,
1
−
E
2
sin
B
0
(1 + 2
E
2
3
E
2
sin
2
B
0
)
−
r
1
=
−
,
(15.38)
1
−
E
2
cos
B
0
(1 + 2
E
2
9
E
2
sin
2
B
0
)
2(1
− E
2
)
−
r
2
=
−
,
27
E
2
sin
2
B
0
)
6(1
− E
2
)
r
3
=+
sin
B
0
(1 + 20
E
2
−
.
Taylor expansion of
s
(
B
) up to order three:
s
:=
G
22
/G
11
=
E
2
cos
B
(1
− E
2
sin
2
B
)
=
1
−
=
(15.39)
N
N
1
n
!
s
(
n
)
(
B
0
)
b
n
=
s
n
b
n
,
=
n
=0
n
=0
1
− E
2
cos
B
0
(1
s
0
=
E
2
sin
2
B
0
)
,
−
E
2
)sin
B
0
(1 + 2
E
2
3
E
2
sin
2
B
0
)
s
1
=
(1
−
−
,
E
2
sin
2
B
0
)
2
cos
2
B
0
(1
−
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