
Sine and Cosine Rules
Apply the sine and cosine rules to find unknown sides and angles in non-right-angled triangles.
About This Topic
Apply the sine and cosine rules to find unknown sides and angles in non-right-angled triangles.
Key Questions
- When is it appropriate to use the sine rule versus the cosine rule?
- How do we handle the ambiguous case of the sine rule?
- How are these rules applied in surveying and navigation?
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