IFS Exercise Answers
(i)
r
s
θ
φ
e
f
.5
.5
0
0
0
0
-.5
.5
0
0
1
0
.5
-.5
0
0
0
1
or
R
S
Theta
Phi
E
F
.5
.5
0
0
0
0
.5
.5
90
90
1
0
.5
.5
-90
-90
0
1
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IFS Exercises
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