The Maths Habit

The equation of a tangent to a circle

Equations of circles · Higher · 5:53

Worksheet (PDF) Answers (PDF)

Chapters

  1. 0:00Introduction
  2. 0:19Do Now
  3. 1:04The tangent and the radius
  4. 1:39Perpendicular gradients
  5. 2:08Example 1: the tangent at (3, 4)
  6. 2:51Example 2: watch the signs
  7. 3:41Your turn
  8. 4:20Common mistake
  9. 4:56Worksheet and exit question

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