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Introducing trigonometry

In this series of lessons, students will explore the relationships between the sides and angles of right-angled triangles. Students will measure similar triangles to find the trigonometrical ratios. The resources includes teacher notes and student activities.

Resource details
Year level: Year 9
Purpose: Student activities Teaching resource
Strand: Space
Topic: Pythagoras and trigonometry
Audience: Teachers
Format: Webpage
Australian Curriculum code: AC9M9SP02 AC9M9M03
Numeracy progression: Proportional thinking (P7) Understanding geometric properties (P7) Understanding units of measurement (P10)
Publisher: New Zealand Ministry of Education
Keywords: Pythagoras's theorem tangent ratio cosine ratio sine ratio angle ratio similar