This is a whole lesson on 3D problems involving Trigonometry. This lesson builds on the understanding of Basic Trig and using SOH/CAH/TOA which are lessons that are also available. This lesson is ...
This is an excellent whole lesson on Bearings and Trigonometry (SOH CAH TOA) which is KS3, GCSE and IGCSE ready. The lessons comes with resources to teach a subject that is often done poorly in exams.
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