" 7."x^(2)+2xy sec theta+y^(2)=0

Find the equations to two lines represented by the equation. x^(2)+2xy sec theta +y^(2)=0

Find the angle between the lines represented by x^(2)+2xy sec theta+y^(2)=0

Angle between the lines represented by the equation x^(2)+2xy sec theta+y^(2)=0 is (A) theta (B) 2 theta (C) (theta)/(2) (D) None of these

If theta is the angle between the lines ax^(2)+2hxy+by^(2)=0, then angle between x^(2)+2xy sec theta+y^(2)=0 is

Find the straight lines represented by the following equations and also deterbetween them.x^(2)+2xy sec theta+y^(2)=0

The difference of the tangents of the angles which the lines x^(2)(sec^(2)-sin^(2)theta)-2xy tan theta +y^(2)sin^(2) theta=0 make with X-axis, is

The difference of the tangents of the angles which the lines x^(2)(sec^(2)-sin^(2)theta)-2xy tan theta +y^(2)sin^(2) theta=0 make with X-axis, is

If a=x sec theta + y tan theta , b = x tan theta + y sec theta then x^(2)-y^(2)=

The difference of the tangents of the angles which the lines x^(2)(sec^(2) theta - sin^(2) theta)-2xy tan theta+y^(2)sin^(2) theta=0 makes with x axis is

The difference of the slopes of the lines x^(2)(sec^(2) theta- sin^(2) theta)-(2 tan theta)xy+y^(2) sin^(2) theta=0