-
3
c
s
=
0
.
0
0
1
1
.
5
7
0
8
θ
(
0
)
=
0
.
5
π
-
1
0
φ
'
(
0
)
=
1
.
×
-
1
0
1
0
-
1
0
θ
'
(
0
)
=
1
.
×
-
1
0
1
0
1
0
m
a
x
i
m
a
l
t
i
m
e
:
1
0