Skip to content

A NSW Government website

Welcome to the NSW Curriculum website

NSW Curriculum
NSW Education Standards Authority

11–12Mathematics Extension 1 11–12 Syllabus

Record of changes
Implementation from 2026
Expand for detailed implementation advice

Content

Year 11

Further trigonometry
Trigonometry in three dimensions
  • Interpret information about a 3-dimensional context given in diagrammatical form

  • Interpret information about a 3-dimensional context given in written form

  • Apply trigonometry to solve problems in three dimensions where a diagram is given

Further trigonometric identities
  • Use sum and difference expansion formulas to solve problems and prove results

  • Use the double angle formulas to solve problems and prove results

Further trigonometric equations
  • Solve trigonometric equations involving factorisation and/or substitution of trigonometric identities over restricted domains

  • Interpret solutions of trigonometric equations graphically with and without graphing applications

  • Model and solve practical problems using trigonometric equations and analyse their solutions in a variety of contexts

Related files