Objective
Apply the law of cosine to find the side lengths and angle measures of any type of triangles.
Web Resources
http://www.mathsisfun.com/algebra/trig-cosine-law.html Extra examples and step-by-step instructions
http://www.mathwarehouse.com/trigonometry/law-of-cosines-formula-examples.php Visual notes and extra video lesson
http://www.regentsprep.org/Regents/math/algtrig/ATT12/lawofcosines.htm Lesson Notes for visual leaner
http://www.regentsprep.org/Regents/math/algtrig/ATT12/lawcosinespractice.htm Practice Problems with Solution Button
http://www.mathwarehouse.com/trigonometry/law-of-cosines-formula-examples.php Visual notes and extra video lesson
http://www.regentsprep.org/Regents/math/algtrig/ATT12/lawofcosines.htm Lesson Notes for visual leaner
http://www.regentsprep.org/Regents/math/algtrig/ATT12/lawcosinespractice.htm Practice Problems with Solution Button
Lesson Video
Pay Attention to the Following:
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