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4:08
MSN
Brian McLogan
Using law of cosines to find our missing length of a triangle
Learn how to solve for the lengths of the sides and the measures of the angles of a triangle using the law of cosines. The law of cosines is used in determining the lengths of the sides or the measures of the angles of a triangle when no angle measure and the length of the side opposite the angle are both known. The law of cosines can be used ...
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