Work out 122+152−54cos(80) \sqrt{12^2 + 15^2 - 54 \cos(80)}\,122+152−54cos(80)
Write down all the figures on your calculator display.
Practise Eduqas GCSE Maths Using a Calculator with exam-style questions for Foundation and Higher tier. 56 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 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.