4MA0 Foundation June 2013 Paper 2R Q21
21
Diagram NOT accurately drawn
Calculate the value of \(x\).
Give your answer correct to 1 decimal place.
(3)
| Scheme | Marks |
|---|---|
| tan chosen | M1 |
| \(\dfrac{3.8}{5.2}\) or 0.7307... | A1 |
| 36.2 | A1 |
| (3) |
Notes
M1: for tan chosen
M1 for sin and \(\dfrac{3.8}{\sqrt{\text{“}41.48\text{”}}}\) following correct Pythagoras and A1 for 0.5900…
A1: for \(\dfrac{3.8}{5.2}\) or 0.7307... oe
A1: for answer rounding to 36.2