Double and half angle formulae
Including triple angle formulae


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  • Trig Equations Using Double Angle.rtf
  • Triple Angle Formulae.doc
  • Proofs with Double Angle.rtf
  • Deriving the Double and Half Angle Formulae.doc
  • Trig Formulae.doc

About this resource


Created: Dec 4, 2011

Updated: Mar 23, 2017

rtf, 92 KB

Trig Equations Using Double Angle

doc, 37 KB

Triple Angle Formulae

rtf, 15 KB

Proofs with Double Angle

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Creative Commons "Sharealike"

Creative Commons "Sharealike"