Pythagoras Theorem and Trigonometry · Geometry and Measurement

Trigonometric Ratios

Introducing sine, cosine, and tangent as ratios of sides in right angled triangles.

Key Questions

  1. 1Why are trigonometric ratios constant for a given angle regardless of triangle size?
  2. 2How do we decide which trigonometric ratio to use when solving for an unknown side?
  3. 3What is the relationship between the sine of an angle and the cosine of its complement?

MOE Syllabus Outcomes

MOE: Trigonometric Ratios - S2
Level: Secondary 2
Subject: Mathematics
Unit: Pythagoras Theorem and Trigonometry
Period: Geometry and Measurement

Suggested Methodologies

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