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Trigonometry and Periodic Phenomena · Term 2

Area of a Triangle using Sine

Calculating the area of any triangle using the formula involving two sides and the included angle.

Key Questions

  1. Explain how the sine function is incorporated into the area formula for non-right triangles.
  2. Compare the area formula using sine with the traditional base-height formula.
  3. Design a practical problem where calculating the area of a non-right triangle is necessary.

ACARA Content Descriptions

AC9M10M02
Year: Year 11
Subject: Mathematics
Unit: Trigonometry and Periodic Phenomena
Period: Term 2

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