ATARMAxxing · SACE Essential Mathematics revision notes
Sine and cosine rules
Sine and cosine rules
What this note covers
- Deciding between sine and cosine rules
- Using the sine rule to find a side
- Using the sine rule to find an angle
- Using the cosine rule to find a side
- Using the cosine rule to find an angle
- Solving complete oblique-triangle applications
- Worked survey: an inaccessible bank and a complete triangle
- Worked routes: SAS and SSS cosine-rule checks
8 sections · 10 key terms & formulas · 6 common mistakes
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