Proof of Addition Formulae
Hopefully this is an accessible geometric proof of the sin(A+B) and cos(A+B) formulae

Free

Save for later
  • Proof of the Trigonometry Addition Formulae.docx

About this resource

Info

Created: Feb 20, 2013

Updated: Mar 23, 2017

docx, 57 KB

Proof of the Trigonometry Addition Formulae

Report a problem

This resource is designed for UK teachers. View US version .

Creative Commons "Sharealike"

Creative Commons "Sharealike"