Please note: This site contains links to websites not controlled by the Australian Government or ESA. Read more in the Terms of Use.
Trigonometry
From the AMSI ‘Supporting Australian Mathematics Project’, this resource gives detailed explanations for teachers and students of the curriculum content with worked examples and assessment questions. This resource focuses on the origins of trigonometrical ratios.
- Resource details
- Year level
- Year 9
- Purpose
- Teaching resource Student activities
- Strand
- Space
- Topic
- Pythagoras and trigonometry
- Audience
- Teachers
- Format
- Webpage
- Numeracy progression
- Proportional thinking (P7) Understanding geometric properties (P7) Understanding units of measurement (P10)
- Publisher
- AMSI
- Copyright
- © The University of Melbourne. Creative Commons BY-NC-ND 3.0.
- Keywords
- Pythagoras's theorem tangent ratio cosine ratio sine ratio angle
Related resources
-

Mathematical modelling: The steepest slopes on Baldwin St
Students investigate steepness using Baldwin Street, representing gradient in multiple ways, linking it to tangent, and communicating findings for real audiences.
Resource details -

reSolve: Geometry – lunch lap (Trial)
Two inquiry-based lessons where students are challenged to use Pythagoras' theorem to optimise the path of a lunch cart.
Resource details -

reSolve: Mathematical modelling – cornering
This series of inquiry-based lessons uses properties of circles, trigonometry and Pythagoras' theorem to investigate how long vehicles 'cut corners' when cornering.
Resource details -

Pythagoras and trigonometry (Measurement): Year 9 – planning tool
This planning resource for Year 9 is for the topic of Pythagoras and trigonometry.
Resource details -

Pythagoras and trigonometry (Space): Year 9 – planning tool
This planning resource for Year 9 is for the topic of Pythagoras and trigonometry.
Resource details -

Right-angled triangles inquiry
This inquiry makes a connection between Pythagoras and trigonometry.
Resource details -

Four scalene triangles inquiry
The prompt explores finding the angles in related scalene triangles.
Resource details