Use your calculator to work out sin10∘+cos20∘cos10∘−sin20∘\displaystyle \frac{\sin 10^\circ + \cos 20^\circ}{\cos 10^\circ - \sin 20^\circ}cos10∘−sin20∘sin10∘+cos20∘
Write down all the figures on your calculator display.
192 exam-style questions on OCR GCSE Maths Using a Calculator. Each one has a worked solution and a mark scheme showing where the marks go.