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Problem
Problem
The number of points in the rectangle
{
(
x
,
y
)
:
∣
x
∣
≤
9
,
∣
y
∣
≤
3
}
\{(x, y) : |x| \le 9, |y| \le 3\}
{(
x
,
y
)
:
∣
x
∣
≤
9
,
∣
y
∣
≤
3
}
which lie on the curve
y
2
=
x
+
sin
x
y^2 = x + \sin x
y
2
=
x
+
sin
x
and at which the tangent to the curve is parallel to X-axis, is a. 3 b. 2 c. 4 d. None of these
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