Foundation November 2017 Paper 2 Q23
23 Use your calculator to work out \(\sqrt{\dfrac{\sin 25^\circ + \sin 40^\circ}{\cos 25^\circ - \cos 40^\circ}}\)
(a) Write down all the figures on your calculator display. (2)
(b) Write your answer to part (a) correct to 2 decimal places. (1)
| Answer | Mark | Notes |
|---|---|---|
| 2.7560… | M1 | for 1.0654(059…), 0.1402(633…), 7.5957(541…), 2.756 truncated or rounded to no less than 2dp |
| A1 | for 2.7560(….) |
| Answer | Mark | Notes |
|---|---|---|
| 2.76 | B1 | for 2.76 ft from (a) |