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Problem
Problem
Solve the following system of equations.
sin
x
+
cos
y
=
1
,
cos
2
x
−
cos
2
y
=
1
\sin x + \cos y = 1, \cos 2x - \cos 2y = 1
sin
x
+
cos
y
=
1
,
cos
2
x
−
cos
2
y
=
1
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