Trigonometry: Pythagoras Questions In Quadrant 1 (Own Sketch)

This video explains Pythagoras type questions in Trigonometry, when no sketch is given, as required by the Grade 10 South African CAPS syllabus. (Includes reciprocal functions, required for Grade 10 - but NOT examinable in Grades 11 and 12.) All solutions are in quadrant 1 (where the angle is between 0 and 90 degrees).