KS4 – MYP 4–5 Mathematics | Booklet 12: Right Triangles and Trigonometry

My original Grade 9 Extended / Grade 8 Accelerated Mathematics teaching booklet on right triangles and trigonometry, supplied as a downloadable PDF.

The booklet covers simplifying radicals, Pythagoras’ theorem, special right triangles, sine, cosine and tangent, finding missing sides and angles, and applications involving angles of elevation and depression. It includes objectives, notes, practice questions, diagrams and working spaces.

This is the original 40-page Booklet 12 (GM-ex1), with its original cover, exercises, numbering and mathematical content retained. Four free YouTube lesson links are included on the cover. The original Grade 9/Grade 8 course labels are preserved; this is a separate original edition from Booklet 7.1.

Original diagram clarification: on page 18, the long side of the 30°–60°–90° triangle with hypotenuse 2 and short side 1 should be √3, rather than the printed √2. The original graphic is retained.