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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 ...
👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a ...
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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