| Exam Board | CAIE |
| Module | P1 (Pure Mathematics 1) |
| Year | 2009 |
| Session | November |
| Topic | Trig Graphs & Exact Values |
2 The equation of a curve is \(y = 3 \cos 2 x\). The equation of a line is \(x + 2 y = \pi\). On the same diagram, sketch the curve and the line for \(0 \leqslant x \leqslant \pi\).