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If a=5,b=7,c=4, find the measure of Angle C

 Dec 17, 2021
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One form of the Law of Cosines is:  angle(C)  =  cos-1(   (a2 + b2 - c2)  /  (2ab)  )

 

This can be used to find the size of angle(C).

 Dec 17, 2021

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