Second Semester PreCalculus 2019-2020

Topics

  • law of cosines 
  • law of sines
  • area of oblique triangles
  • applications that are related to oblique triangles
Additional Practice 

Goals

  • Be able to state both versions of law of cosines and sines 
  • Be able to determine the missing sides and angles of an oblique triangle
  • Be able to use the law of sines in the ambiguous case
  • Find area of a triangle using a variety of methods 
  • Be able to use law of sines and cosines to solve application problems 
Practice
1-7-20 ​​1-9-20  1-10-20  1-13-20 ​1-14-19  1-15-20 1-16-20
  • Quiz 1: Law of Sines and Cosines Basics
1-22-20
  • Applications of Laws of Sines and Cosine
1-24-20 
  • Quiz 2 Applications of Oblique and Right Triangles
Links and Resources
LARSON 10th Edition
Law of Sine and Cosine Resources