KS4 – MYP 4–5 Mathematics | Worksheet 04: Triangle Trigonometry

Original 11-page Grade 9 Mathematics Extended Worksheet 04 by Taylan Çeltik, supplied as a downloadable PDF. It practises trigonometry in right and non-right triangles, including trigonometric ratios, the sine rule and the cosine rule. Original formula notes, diagrams, questions and working spaces are retained. The lesson link now opens the verified YouTube recording, and the original additional Google Docs link is preserved.