June 2025 Paper 3 Q2
2 The diagram shows the graph of \(y = \arctan x\)

The graph has horizontal asymptotes at \(y = -a\) and \(y = a\)
State the value of \(a\)
Circle your answer. [1 mark]
- \(\dfrac{\pi}{4}\)
- 1
- \(\dfrac{\pi}{2}\)
- \(\pi\)
| Scheme | Marks | AO |
|---|---|---|
| Circles the third answer | B1 | 1.2 |
| (1 mark) |