1. Warm-Up
Solve the following triangle 14
61o
*Homework Check*

2. Outcomes
G3. Solve problems that involve the 
cosine law and the sine law, including 
the ambiguous case.

3. Note: Examine the following triangle. It is conventional to
label angles with upper case letters and to label
the sides opposite those angles with lower case letters. A C B b a c

9. In a nutshell, you must
have 1) an angle, 2) the side 

opposite that angle, and
3) any other piece of 

information to use the Law of 

Sines.

10. Page 124 #2, 3ace, 
6ac, 7, 10, 13, 15
*Due tomorrow!

11. x Ex. 1: Determine the length of the missing, indicated side. C 6.75 AB C 75 57 48
6.75 x

12. Ex. 2: Find <B. A B C
3.5 35
5.7

13. Ex. 3: Solve triangle ABC. 28 37
115 A B C
126