Foundation June 2025 Paper 1 Q24
24 Here is a right-angled triangle.
Not to scale
Use trigonometry to work out the value of \(x\). [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 57.9 to 58.03.. | 3 | M2 for \(\tan^{-1} \dfrac{7.2}{4.5}\) or M1 for \(\tan\ [x]\ [=]\ \dfrac{7.2}{4.5}\) or \(\tan\ [x]\ [=]\ 1.6\) oe | For M2 do not accept shift for \(\tan^{-1}\) Accept full methods using Pythagoras with sin or cos Don’t penalise If a different letter to \(x\) is used |