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 OCR GCSE Maths Using a Calculator with exam-style questions for Foundation and Higher tier. 56 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.