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Mathematics
Problem
The number of ordered pairs
(
x
,
y
)
(x, y)
(
x
,
y
)
of real numbers satisfying
4
x
2
−
4
x
+
2
=
sin
2
y
4x^2 - 4x + 2 = \sin^2 y
4
x
2
−
4
x
+
2
=
sin
2
y
and
x
2
+
y
2
≤
3
x^2 + y^2 \le 3
x
2
+
y
2
≤
3
, is equal to a. 0 b. 2 c. 4 d. 8
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