The angle between the pair of straight lines `y^2sin^2theta-xysintheta+x^2(cos^2theta-1)=0` is

The angle between the pair of straight lines y^2sin^2theta-xysin^2theta+x^2(cos^2theta-1)=0 is

The angle between the pair of straight lines y^2sin^2 theta-xy sin ^2 theta +x^2(cos ^2theta -1) =0 is

The angle between the pair of straight lines y^2sin^2 theta-xy sin ^2 theta +x^2(cos ^2theta -1) =0 si

The angle between the pair of straight lines y^2sin^2 theta-xy sin ^2 theta +x^2(cos ^2theta -1) =0 is

The angle between the pair of straight lines y^2sin^2 theta-xy sin ^2 theta +x^2(cos ^2theta -1) =0 si

The angle between the pair of straight lines y^(2)sin^(2)theta-xy sin^(2)theta+x^(2)(cos^(2)theta-1)=0 is

The angle between the pair of straight lines y^(2)sin^(2)theta-xy sin^(2)theta+x^(2)(cos^(2)theta-1)=0 is

The angle between the pair of straight lines y^(2)sin^(2) theta -xy sin^(2)theta +x^(2)(cos^(2)theta-1) =0 is

The angle between the pair of straight lines y^(2)sin^(2)theta - xy sin^(2)theta+ x^(2)(cos^(2)theta - 1) = 0 is