Question

prove that the distance of the point (a cosg, a sing) from the origin is independent of g

Answer 1

O (0,0) ; P(a cos g , a sin g )

OP = √[(a cos g)² + (a sin g)²] = √[ a² cos² g + a² sin² g] = √ a²(1) = a or -a

hence it is independent of g