Mathematics GCSE
Trigonometry in right-angled triangles
What Trigonometry in right-angled triangles means in Mathematics GCSE, as defined for AQA.
Definition of Trigonometry in right-angled triangles
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Reference: AQA
Applying the trigonometric ratios sin, cos or tan to find an angle or length in a right-angled triangle within a two-dimensional or three-dimensional figure.
Topics that use Trigonometry in right-angled triangles
- Mensuration and calculation (AQA GCSE)
Related terms
- Accurate substitution and rearrangement
- arc length
- Area = ½ab sin C
- Circumference
- composite shapes
- Corresponding vertices and sides
- Diameter
- Frustum
Using Trigonometry in right-angled triangles in the exam
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