WOLFRAM
|
DEMONSTRATIONS PROJECT
Reflection in a Circle
s
t
e
p
1
A
r
a
y
i
s
r
e
f
l
e
c
t
e
d
i
n
s
i
d
e
a
c
i
r
c
l
e
.
T
h
e
a
n
g
l
e
b
e
t
w
e
e
n
c
h
o
r
d
s
i
s
c
o
n
s
t
a
n
t
.
T
h
e
r
a
y
s
a
r
e
t
a
n
g
e
n
t
t
o
a
c
e
n
t
r
a
l
c
i
r
c
l
e
.
