1MA0 Higher March 2013 Paper 2 Q17
17 Calculate the value of \(\sqrt{\dfrac{\tan 60^\circ + 1}{\tan 60^\circ - 1}}\)
Write down all the figures on your calculator display.
You must give your answer as a decimal. (2)
| Working | Answer | Mark | Notes |
|---|---|---|---|
| \(\sqrt{\dfrac{2.73\ldots}{0.732\ldots}}\) | 1.931851… | 2 | M1 for 2.73… or 0.732… or 3.73… or 1.931 or 1.932 or 1.93 or \((1 + \sqrt{3})\) or \((\sqrt{3} - 1)\) or \((2 + \sqrt{3})\) or 1.65... or 0.855... A1 for 1.9318(5…) SC: B1 for 2.5127(17...) |