Choose exam board for KS4 Computer Science (GCSE)
Choose exam board for KS4 English
Choose exam board for KS4 French
Choose exam board for KS4 Geography
Choose exam board for KS4 German
Choose exam board for KS4 History
Choose tier for KS4 Maths
Choose exam board for KS4 Music
Choose exam board for KS4 Physical education (GCSE)
Choose exam board for KS4 Religious education (GCSE)
Choose exam board for KS4 Spanish

Right-angled trigonometry

Downloads can take a few minutes, especially for larger files or slower connections.

Threads

Why this why now

This unit requires good understanding of ratios, trigonometric ratios and manipulation of formulae, as such it is positoned after several units revisiting and building upon these key skills.

Prior knowledge requirements

  • Identify opposite, adjacent and hypotenuse
  • Use Pythagoras' Theorem
  • Understand ratios in similar triangles

Threads

Why this why now

This unit requires good understanding of ratios, trigonometric ratios and manipulation of formulae, as such it is positoned after several units revisiting and building upon these key skills.

Prior knowledge requirements

  • Identify opposite, adjacent and hypotenuse
  • Use Pythagoras' Theorem
  • Understand ratios in similar triangles

Right-angled trigonometry

In this unit, pupils are introduced to a variety of situations where trigonometric ratios are required, such as 3-D problems and problems of elevation or depression.

13 lessons in unit