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The Cosine Rule / Law of Cosines (IB Math Studies)

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Xuất bản 28/06/2016
Twitter: http://twitter.com/WhatDaMath Facebook: https://www.facebook.com/whatdamath Hello and welcome to What Da Math. In this video we investigate the Trigonometry from Chapter 15 of IB Math Studies by Haese. This will be an explanation for how to find sides or angles of triangles that are not right triangles using cosine and sine rules. Thank you for watching and please SUBSCRIBE.
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