Quick links:► downloadable teaching materials for triangle trigonometry & applications► syllabus content for the Trigonometry Topic: SL syllabus (see syllabus section 3.6); HL syllabus (see syllabus section 3.7)"Triangle" trigonometry includes parts of the Topic 3 - Circular Functions & Trigonometry that involves triangles - both right and non-right triangles. It is common for students to have had a fair amount of...