Introducing Trig Functions - SOHCAHTOA - Trigonometry in Right-angled Triangles - Tutorial 2/5
This tutorial introduces the three identities, functions or 'formulas' used in trigonometry for right-angled triangles (SOHCAHTOA). Viewers are taught how to identify which function to use for a particular question though these questions aren't actually solved yet. No background on what 'sin', 'cos' and 'tan' are is given or intended at this stage.
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