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Using a Calculator

Using a Calculator

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Question 13

Use your calculator to work out tan⁡80∘+1tan⁡80∘−1\displaystyle \sqrt{\frac{\tan 80^\circ + 1}{\tan 80^\circ - 1}}tan80∘−1tan80∘+1​​

a.

Write down all the figures on your calculator display.

[2]
b.

Write your answer to part (a) correct to 3 significant figures.

[1]
Markscheme

Using a Calculator Questions

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

14 exam-style questions on CIE IGCSE Maths Using a Calculator. Each one has a worked solution and a mark scheme showing where the marks go.

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