| 104442 | Polar Coordinates · Exercise 29 | Medium | |
| 104515 | Polar Coordinates: Graphs · Exercise 9 | Medium | |
| 104519 | Polar Coordinates: Graphs · Exercise 13 | Medium | |
| 104682 | Parametric Equations · Exercise 11 | Medium | |
| 104690 | Parametric Equations · Exercise 19 | Medium | |
| 104702 | Parametric Equations · Exercise 31 | Medium | |
| 104704 | Parametric Equations · Exercise 33 | Medium | |
| 104706 | Parametric Equations · Exercise 35 | Medium | |
| 104708 | Parametric Equations · Exercise 37 | Medium | |
| 104710 | Parametric Equations · Exercise 39 | Medium | |
| 104712 | Parametric Equations · Exercise 41 | Medium | |
| 104716 | Parametric Equations · Exercise 45 | Medium | |
| 104772 | Parametric Equations: Graphs · Exercise 45 | Medium | |
| 104420 | Polar Coordinates · Exercise 7 | Medium | |
| 104422 | Polar Coordinates · Exercise 9 | Medium | |
| 104424 | Polar Coordinates · Exercise 11 | Medium | |
| 104426 | Polar Coordinates · Exercise 13 | Medium | |
| 104428 | Polar Coordinates · Exercise 15 | Medium | |
| 104430 | Polar Coordinates · Exercise 17 | Medium | |
| 104432 | Polar Coordinates · Exercise 19 | Medium | |
| 104434 | Polar Coordinates · Exercise 21 | Medium | |
| 104436 | Polar Coordinates · Exercise 23 | Medium | |
| 104438 | Polar Coordinates · Exercise 25 | Medium | |
| 104440 | Polar Coordinates · Exercise 27 | Medium | |
| 104444 | Polar Coordinates · Exercise 31 | Medium | |
| 104446 | Polar Coordinates · Exercise 33 | Medium | |
| 104448 | Polar Coordinates · Exercise 35 | Medium | |
| 104450 | Polar Coordinates · Exercise 37 | Medium | |
| 104452 | Polar Coordinates · Exercise 39 | Medium | |
| 104477 | Polar Coordinates · Exercise 69 | Medium | |
| 104479 | Polar Coordinates · Exercise 71 | Medium | |
| 104481 | Polar Coordinates · Exercise 73 | Medium | |
| 104513 | Polar Coordinates: Graphs · Exercise 7 | Medium | |
| 104517 | Polar Coordinates: Graphs · Exercise 11 | Medium | |
| 104521 | Polar Coordinates: Graphs · Exercise 15 | Medium | |
| 104678 | Parametric Equations · Exercise 7 | Medium | |
| 104680 | Parametric Equations · Exercise 9 | Medium | |
| 104684 | Parametric Equations · Exercise 13 | Medium | |
| 104686 | Parametric Equations · Exercise 15 | Medium | |
| 104688 | Parametric Equations · Exercise 17 | Medium | |
| 104692 | Parametric Equations · Exercise 21 | Medium | |
| 104694 | Parametric Equations · Exercise 23 | Medium | |
| 104696 | Parametric Equations · Exercise 25 | Medium | |
| 104698 | Parametric Equations · Exercise 27 | Medium | |
| 104700 | Parametric Equations · Exercise 29 | Medium | |
| 104714 | Parametric Equations · Exercise 43 | Medium | |
| 104767 | Parametric Equations: Graphs · Exercise 39 | Medium | |
| 104769 | Parametric Equations: Graphs · Exercise 41 | Medium | |
| 104771 | Parametric Equations: Graphs · Exercise 43 | Medium | |
| 104784 | Parametric Equations: Graphs · Exercise 61 | Medium | |