3. Right Angled Triangles

3.01 Pythagoras' theorem

Investigation: The spiral of Theodorus

3.02 Ratios of sides and angles of right-angled triangles

3.03 Calculating sides and angles of right-angled triangles

3.04 Problem solving with trigonometry

Year 12

3.03 Calculating sides and angles of right-angled triangles

Worksheet

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Outcomes

3.2.13

apply the tangent ratio to determine unknown angles and sides in right-angled triangles

3.2.15

apply the cosine and sine ratios to determine unknown angles and sides in right-angle triangles

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