# SOH CAH TOA! (Not a Harry Potter spell)

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5

Students will learn to apply trigonometric ratios and Pythagoras' Theorem to solve real-world problems. We'll study some famous works of architecture and engineering marvels that use triangles, as well as exploring geometry in our CBD, and then we'll complete some structural STEM challenges incorporating our understanding of trigonometry.

**Contexts:** Architecture, engineering, STEM challenges

**Essential vocabulary:** trigonometry, Pythagoras' Theorem, right-angled triangle, hypotenuse, opposite, adjacent, sine, cosine, tangent, SOH, CAH, TOA