Trigonometry and Mensuration · Geometry & Measurement

Sine and Cosine Rules

Extending trigonometry to solve for sides and angles in any triangle.

Key Questions

  1. 1When is it appropriate to use the Sine Rule versus the Cosine Rule?
  2. 2How does the ambiguous case of the Sine Rule arise in certain geometric configurations?
  3. 3Why can the area of any triangle be calculated using the sine of an included angle?

MOE Syllabus Outcomes

MOE: Geometry and Measurement - S3MOE: Trigonometry - S3
Level: Secondary 3
Subject: Mathematics
Unit: Trigonometry and Mensuration
Period: Geometry & Measurement

Suggested Methodologies

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