# Law of cosines test

After having gone through the stuff given above, we hope that the students would have understood, "Law of Sines and Cosines Word Problems"Apart from the stuff given in "Law of Sines and Cosines Word Problems", if you need any other stuff in math, please use our google custom search here. Feb 06, 2014 · A simple worksheet with cosine rule questions. This website and its content is subject to our Terms and Conditions. #4 Use the law of Sines to calculate the area of the following triangles: B = 130 deg, a=62, c = 20 C = 84deg 30 minutes, a = 16, b = 20 #5 An oil tanker and a cruise ship leave port at the same time and travel in straight-line courses at 10mph and 25 mph, respectively. Law of Cosines or Cosine Law . Objective: I know how to use the Law of Cosines or Cosine Law to solve triangles. The Law of Cosines, for any triangle ABC is . a 2 = b 2 + c 2 – 2bc cos A . Refer to the lesson on the law or cosines or cosine law for more information and examples. 10.1 Graphing Sine and Cosine - Pre-Calculus ... Pre-Calculus