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The Maths Prof: The Cosine Rule

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The Maths Prof: The Cosine Rule

In this lesson I show you how to use The Cosine Rule to find the LENGTH of a side in a triangle and then, an ANGLE. If you want to skip ahead to finding an ANGLE go to 5:15 Another lesson to follow soon with some more difficult examples! I hope you find the lesson useful! Subscribe to my YouTube channel to stay up to date with new uploads and ...

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跳转到 Finding Angle Using Cosine Rule 的关键时刻

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