Higher June 2019 Paper 2 Q3
3.

Diagram not drawn to scale
Calculate the size of angle \(f\). [3]
| Scheme | Marks | Comments |
|---|---|---|
| \(\sin f = 8.4/12.3\) | M1 | |
| \((f =)\ 43(.07\ldots^\circ)\) | A2 | A1 for \((f =)\ \sin^{-1}0.68(29\ldots)\) |
| (3) |
3.

Diagram not drawn to scale
Calculate the size of angle \(f\). [3]
| Scheme | Marks | Comments |
|---|---|---|
| \(\sin f = 8.4/12.3\) | M1 | |
| \((f =)\ 43(.07\ldots^\circ)\) | A2 | A1 for \((f =)\ \sin^{-1}0.68(29\ldots)\) |
| (3) |