MYP 3Year 9Term 1–2
9.3 Right-angle Trigonometry
sin/cos/tan · Finding sides · Finding angles · 3D right-angle trig
Geometry
7 objectives
Learning objectives
What students should be able to do by the end of this unit.
Trigonometric Ratios
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- Identify and name the sides of a right-angled triangle (opposite, adjacent, hypotenuse).
- Define the sine, cosine and tangent ratios (SOH CAH TOA).
- Use trigonometric ratios to find a missing side in a right-angled triangle.
- Use inverse trigonometric ratios to find a missing angle in a right-angled triangle.
- Use exact values of sin, cos and tan at 30°, 45° and 60°.
- Apply right-angle trigonometry to angles of elevation and depression.
- Apply right-angle trigonometry to problems set inside 3D solids.
Review pack
Curated revision materials parents and students can download.
A review pack for this unit is being prepared.