Introducing Trigonometry An introductory trigonometry task for right-angled triangles, ratios and missing sides or angles. Download PowerPointOpen PDFDownload PDF Introducing Trigonometry by Nathan Day (@nathanday.bsky.social) Related ResourcesTricky Trigonometry SnakeRight-Angled Trigonometry Varied PracticePythagoras and Trigonometry with... (Mixed Questions)Similar Shapes, Trigonometry, and Pythagoras ProofsSolving Trigonometric Equations with the Factor TheoremQuadratics Completion Table