Learning unit: Teaching trigonometry using proportional thinking

By Lynette Winter

This unit is designed to help tutors who teach courses that use trigonometric (trig) formulae (e.g., sine, cosine and tangent functions). It develops teaching activities for teaching problem solving with trig formulae to promote learner understanding. Since trig functions represent ratios between the elements of a triangle, they provide a prime opportunity to develop learners’ proportional thinking skills.

Overview: setting the scene, tutors outcomes, and resources you will need Section 1: description of the numeracy involved Section 2: student activity examples Section 3: other contexts that demonstrate teaching trigonometry Section 4: assessment activity

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