Miriam Lees, a former engineer turned maths teacher, head teacher and now an educational consultant with the Mathematical Association of NSW, Australia, sheds light on one of her favourite topics: trigonometry. Typically introduced in Years 9 and 10 in NSW schools, this subject builds upon the foundation of Pythagoras' Theorem, taught around Year 8. Miriam believes trigonometry can be easy to grasp when taught step-by-step. However, she emphasises the importance of providing a broader context to prevent students from viewing it as a mere 'black box' of formulas. By revealing the trigonometric ratios as shortcuts derived from similar triangles, she helps students see the underlying logic and appreciate the elegance of the subject.
Links:
Mathematics NSW – MANSW
https://www.linkedin.com/in/miriam-lees-52a956154/?originalSubdomain=au
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