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Rounding correctly for the law of cosines
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 ...
YouTube on MSNOpinion
Learning to apply the law of cosines when given one obtuse angle
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 ...
Being able to identify which formula to use, sine or cosine, and when, is necessary to answer questions on this topic successfully. Check you are confident in how to use the sine and cosine rules.
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