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Using a Calculator

Using a Calculator

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Question 24
a.

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.

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b.

Hence work out 2122+152−54cos⁡(80)2\sqrt{12^2 + 15^2 - 54 \cos(80)}2122+152−54cos(80)​

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Markscheme

Using a Calculator Questions

  1. GCSE
  2. /Maths
  3. /Using a Calculator

192 exam-style questions on OCR GCSE Maths Using a Calculator. Each one has a worked solution and a mark scheme showing where the marks go.

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