Trigonometry and Periodic Phenomena · Geometry & Measurement

Non Right Angled Trigonometry

Applying Sine and Cosine rules to solve for unknowns in any triangular configuration.

Key Questions

  1. 1Under what conditions does the Sine Rule produce two possible triangles?
  2. 2How does the Cosine Rule function as a generalized version of the Pythagorean theorem?
  3. 3In what ways does 3D trigonometry allow us to calculate heights and distances in surveying?

ACARA Content Descriptions

AC9M10M01AC9M10M02
Year: Year 11
Subject: Mathematics
Unit: Trigonometry and Periodic Phenomena
Period: Geometry & Measurement

Suggested Methodologies

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