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 WJEC GCSE Maths Using a Calculator with exam-style questions for Foundation and Higher tier. 56 questions, matched to the WJEC GCSE Maths (3320QD) specification and written in Unit 1, Unit 2 and Unit 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.