A (−a,0)and B (a,0) are two fixed points. The locus of a point P such as ∠APB is a right angle, is
Two fixed points are A(a, 0) and B(-a, 0). If ∠A−∠B=θ, then the locus of point C of triangle ABC will be
Let Two fixed points are A(a, 0) and B(-a, 0). If ∠A−∠B=θ, then the locus of point C of triangle ABC will be