Abstract
Two alternative approaches to proving the six standard trigonometric angle sum and difference identities are presented. They are suitable for students who have an understanding of rotation matrices.
| Original language | English |
|---|---|
| Pages (from-to) | 40-43 |
| Number of pages | 4 |
| Journal | Australian Mathematics Education Journal |
| Volume | 2 |
| Issue number | 1 |
| Publication status | Published - 2020 |