Master the Cosine Rule in Triangles π
Learn how to find side lengths and angles in triangles using the Cosine Rule in this helpful lesson.
The Maths Prof
27.6K views β’ Feb 25, 2021
About this video
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 follow me on Instagram @themathsprof for more maths! :-)
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 follow me on Instagram @themathsprof for more maths! :-)
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Video Information
Views
27.6K
Likes
600
Duration
8:17
Published
Feb 25, 2021
User Reviews
4.6
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