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Unformatted text preview: 94.notebook November 19, 2010 94 Law of Cosines
In triangle ABC, 2 2 2 c = a + b 2ab cos C 2 2 2 a = b + c 2bc cos A 2 2 2 b = a + c 2ac cos B
Mar 268:15 AM Ex. 1 Suppose that two sides of a triangle have lengths 3cm and 7cm and the angle between them measures 1300. Find length of third side. Mar 268:20 AM 1 94.notebook November 19, 2010 Ex. 2 The lengths of the sides of a triangle are 5, 10 and 12. Solve the triangle. Mar 268:22 AM Ex. 3 In the diagram, AB = 5, BD = 2, DC = 4 and CA = 7. Find AD
A B D C Mar 268:24 AM 2 94.notebook November 19, 2010 H.W. p.352 class exercises 4,5 p. 352 written 18 p. 353 914, 16 Q.A. # 4 pp. 355356 115 All Mar 279:11 AM 3 ...
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This note was uploaded on 04/22/2011 for the course MATH 212 taught by Professor Owens during the Winter '07 term at Grand Valley State University.
 Winter '07
 Owens
 Trigonometry, Law Of Cosines

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