​
coefficients for x =
x
0
+
x
1
t +
x
3
sin(t) +
x
4
sin​
2
t
​
x
0
-3
x
1
-2
x
2
1
x
3
1
x
4
0
coefficients for y =
y
0
+
y
1
t +
y
3
cos(t) +
y
4
cos​
2
t
​
y
0
-1
y
1
-3
y
2
-1
y
3
2
y
4
0
t range
2
vector for axis of revolution
a
1
b
0
c
0