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Sine and Cosine Rules — AQA Level 2 Certificate Further Maths 8365
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Mathematics
AQA Level 2 Certificate Further Mathematics
Geometry
Trigonometry in Triangles
Sine and Cosine Rules
AQA Level 2 Certificate Further Mathematics · 8365
Sine and Cosine Rules
What you need to know
Apply the sine and cosine rules effectively to solve for unknown side lengths and interior angles in scalene triangles.
Calculate the precise area of any triangle employing the formula:
Area
=
1
2
a
b
sin
C
\text{Area} = \frac{1}{2}ab \sin C
Area
=
2
Revision notes
1
Sine and Cosine Rules
8 key terms
Practise with past papers
Key terms & definitions
Previous topic: Geometric Proof
Formal Geometrical Proofs
Next topic: Pythagoras Theorem
Pythagorean Triples
1
ab
sin
C
Utilize standard trigonometric ratios (sine, cosine, and tangent) to solve direct right-angled triangle problems.
