| Exam Board | CAIE |
|---|
| Module | P1 (Pure Mathematics 1) |
|---|
| Session | Specimen |
|---|
| Topic | Vectors 3D & Lines |
|---|
- For the case where \(a = 2\), find the unit vector in the direction of \(\overrightarrow { P M }\).
- For the case where angle \(A T P = \cos ^ { - 1 } \left( \frac { 2 } { 7 } \right)\), find the value of \(a\).