Work out 152+192−100cos(75) \sqrt{15^2 + 19^2 - 100 \cos(75)}\,152+192−100cos(75)
Write down all the figures on your calculator display.
Practise Edexcel GCSE Maths Using a Calculator with exam-style questions for Foundation and Higher tier. 56 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.