Year 11 (2025) Maths Extension 1 Inverse Trig Functions and Identities

Half Angle Formulae

22 practice questions 2 video lessons Theory + worked examples

Practice 22 questions

Practice questions

Every question with a fully worked solution.

Start practising

Watch 2 video(s)

Half Angle Formulae - Video - The t-formulae explained Watch
Half Angle Formulae - Video - t formulae Watch

Theory

Half Angle Formulae

← Previous subtopic

Double Angle Formulae

Next subtopic →

More in Inverse Trig Functions and Identities