Trig Identities [IB Math AA SL/HL]

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This video covers Trigonometric Identities. Part of the IB Mathematics Analysis & Approaches SL & HL courses in Topic 3, Geometry & Trigonometry

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This topic has always been the hardest topic to get a grip on. Like I never understood the sine and cosine equalling to 1. But when you drew that triangle, I immediately thought of a^2+b^2=c^2, and that links with the identity!!!

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