Trigonometry and Periodic Phenomena · Geometry & Measurement

The Unit Circle and Sine Rule

Generalizing trigonometry beyond right-angled triangles using the unit circle and sine/cosine rules.

Key Questions

  1. 1How does the unit circle allow for the definition of trigonometric values for any angle?
  2. 2When is the sine rule ambiguous and why does this happen geometrically?
  3. 3How can we model periodic real world data using sine and cosine waves?

National Curriculum Attainment Targets

A-Level: Mathematics - Trigonometry
Year: Year 12
Subject: Mathematics
Unit: Trigonometry and Periodic Phenomena
Period: Geometry & Measurement

Suggested Methodologies

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