Trigonometry

Trigonometry
- Trigonometric skills
  Trigonometry helps solve problems involving right-angled triangles using the sine, cosine or tangent ratios. SOH CAH TOA is used to help remember the formulae.
Video playlist
- The Approximate History of Trigonometry. Video
  Praxis the robot and Alan the "human man" attempt to land a plane using their knowledge of trigonometry.
- Bitesize maths: Trigonometry. Video
  An animated guide to using trigonometry with right-angled triangles.
- Indian mathematicians and discoveries in trigonometry. Video
  Marcus du Sautoy visits an ancient Indian observatory.

Video playlist