4400 Higher June 2008 Paper 3 Q18
18
Diagram NOT accurately drawn
Calculate the value of \(a\).
Give your value correct to 3 significant figures.
(3)
| Scheme | Marks |
|---|---|
| \(\dfrac{a}{\sin 35^\circ} = \dfrac{6.8}{\sin 64^\circ}\) | M1 |
| \(a = \dfrac{6.8 \sin 35^\circ}{\sin 64^\circ}\) | M1 |
| 4.34 | A1 |
| (3) | |
| (3 marks) |
Notes
M1: for correct statement of Sine rule
M1: for correct rearrangement
A1: for 4.34 or 4.3395... rounded or truncated to 4 figures or more