The Maths Habit

The sine rule: finding a side

Trigonometry · Higher · 5:56

Worksheet (PDF) Answers (PDF)

Chapters

  1. 0:00Introduction
  2. 0:25Do Now
  3. 1:17Labelling a triangle
  4. 1:48The sine rule
  5. 2:31Example 1
  6. 3:03Example 2: the third angle first
  7. 3:40Your turn
  8. 4:14Common mistake
  9. 4:59Worksheet and exit question

Practise the sine rule for 15 minutes a day in The Maths Habit, on your phone or in your browser.

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