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Can anyone help explain the Cosine law better than my textbook or in a new way please?

Thanks

 Feb 14, 2019
 #1
avatar+100516 
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It's really just a fancy version of the Pythagorean Theorem.....

 

See if this helps  : 

 

https://www.mathwarehouse.com/trigonometry/law-of-cosines-formula-examples.php

 

 

cool cool cool

 Feb 14, 2019

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