Question 42415
Since x = r cos(q) and y = r sin(q), we substitute into x^2 = 8y and get
r^2 cos^2 (q) = 8r sin (q)
r cos^2 (q) = 8 sin (q)
r = 8 sec (q) tan (q) ... after dividing by cos^2 (q)...
where q is theta...