Difference of slopes of the lines represented by equation \[{{x}^{2}}({{\sec }^{2}}\theta -{{\sin }^{2}}\theta )-2xy\tan \theta +{{y}^{2}}{{\sin }^{2}}\theta =0\]is [Kurukshetra CEE 2002]

Difference of slopes of the lines represented by equation \[{{x}^{2}}(

1.	Difference of slopes of the lines represented by equation \[{{x}^{2}}({{\sec }^{2}}\theta -{{\sin }^{2}}\theta )-2xy\tan \theta +{{y}^{2}}{{\sin }^{2}}\theta =0\]is [Kurukshetra CEE 2002]
A.	4
B.	3
C.	2
D.	None of these
Answer» D. None of these

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Difference of slopes of the lines represented by equation \[{{x}^{2}}({{\sec }^{2}}\theta -{{\sin }^{2}}\theta )-2xy\tan \theta +{{y}^{2}}{{\sin }^{2}}\theta =0\]is [Kurukshetra CEE 2002]

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