|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||2 days ago||33.07||$19.81||You save $13.26|
|Amazon US||5 days ago||21.95||$19.81||You save $2.14|
A bestselling introductory course that covers all areas of trigonometry, including: the theory and equations of tangent, sine and cosine, dimensions and angles, radians, ratios, compound angles and circles related to triangles.
Hugh Neill is a maths teacher who has also been an inspector and chief examiner. His books have helped over 100,000 people improve their mathematics.