A Level Math Chap7 Proving Trigonometric Identity
Channel: Enjoy life with Tom Lee
Date: 2020-04-22

This is a Cantonese video about A-Level Mathematics (Proving Trigonometric Identity). The English version will be uploaded later. Please enjoy, give like and subscribe to my channel.
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link to A-Level Maths (All videos)
https://www.youtube.com/watch?v=uk8kuEAiwWQ&list=PLhEtVaSgl2WUuvPQzg8vem-hFpsZFHiWM
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