3x2 + 4y2 = 1 The polar equations of are 1 2 None of the above (3 4. 5 Find the length of the cardioid r= (1+cos ) OSAST 4 1 None of the above 2 10 3 12 4 6 5 -- / Question 1 (2-2/3) Convert the point from cartesian to polar coordinates 1 2 None of the above 3 4 5