Convert the equation r = 6 sec (6) from polar coordinates to rectangular coordinates. (Express numbers in exact form. Use symbolic notation and fractions where needed.) equation: Describe the line formed by graphing this equation. 0 horizontal 0 vertical 0 neither horizontal nor vertical Convert the equation r = 6 csc (0) from polar coordinates to rectangular coordinates. (Express numbers in exact form. Use symbolic notation and fractions where needed.) equation: Describe the line formed by graphing this equation. 0 neither horizontal nor vertical 0 vertical 0 horizontal Convert x2 + y2 = 3 to an equation in polar coordinates in terms of r and 6. (Use symbolic notation and fractions where needed.)