First Practice Homework Answers
19.
r
s
θ
φ
e
f
0.5
0.5
0
0
0.5
0.5
0.5
0.5
-90
-90
0.5
0.5
0.5
0.5
90
90
0.5
0.5
or
r
s
θ
φ
e
f
0.5
0.5
0
0
0.5
0.5
0.5
-0.5
0
0
0.5
0.5
-0.5
0.5
0
0
0.5
0.5
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Homework 1 Practice
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