Use your calculator to work out sin25∘+cos40∘cos25∘−sin40∘\displaystyle \frac{\sin 25^\circ + \cos 40^\circ}{\cos 25^\circ - \sin 40^\circ}cos25∘−sin40∘sin25∘+cos40∘
Write down all the figures on your calculator display.
Write your answer to part (a) correct to 2 decimal places.
Practise Edexcel IGCSE Maths Using a Calculator with exam-style questions for IGCSE Maths. 14 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.