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This resource steps students to develop confidence in using use sin / cos / tan to find missing lengths and angles in right angled triangles. Scaffolded activities for the following:
- Labelling the sides of a right angled triangle (opp, adj, hyp)
- Investigation on how the ratio between two sides in a right angled triangle gives rise to sin / cos / tan values
- Using FORMULA TRIANGLES to help with usage of SOH, CAH, TOA formula triangles
- Finding MISSING LENGTHS in a right angled triangle (with a step by step guide and independence building questions)
- Finding MISSING ANGLES in a right angled triangle (with a step by step guide and independence building questions)
Working through all resources would require 60-100 minutes.Potentially 2 lessons.
Answers are included for some of the activities and a sin/cos/tan value table for students who don’t have a scientific calculator.
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£2.90