Thurs Apr 26th – The Sine Rule – The Ambiguous Case

LEARNING OBJECTVIE: You will discover that the sine rule can give two answers, and how to choose which answer?

SUCCESS
CRITERIA: You will understand how to deal with ambiguous case solutions when using the Sine Rule

1. DEFINITION: Ambiguous:- am·big·u·ous/amˈbigyo͞oəs/ (Adjective)
   
2. 1. Open to more than one interpretation; having a double meaning.
   

   2. Unclear or inexact because a choice between alternatives has not been made
   

   LESSON:
   

   Have a look at Question 2b, page 484 from Yesterday. Why do we get the wrong answer?
   

   Work through this Lesson - Ambiguous case (screens 8 & 9) then work through as much of exercise 22G as you can.
   

   PLENARY: Checking answers throughout the lesson, Get students to explain Ambiguity that can arise using the Sine Rule