grade 12 trig 1.notebook

Report 10 Downloads 31 Views
grade 12 trig 1.notebook

June 06, 2013

Use the Sine Law when: • know 2 angles and a side • 2 sides and an opposite angle to one of the sides

1

grade 12 trig 1.notebook

June 06, 2013

Solve triangle LMN

2

grade 12 trig 1.notebook

June 06, 2013

Assignment: Sine Law

3

grade 12 trig 1.notebook

June 06, 2013

Can you use the SINE LAW to solve for side  a? Explain 32O

5.4 20O

a

86o

8ft

9ft

a

23m

a 60o

4

grade 12 trig 1.notebook

June 06, 2013

5

grade 12 trig 1.notebook

June 06, 2013

COSINE LAW: • used to solve ANGLE or SIDE in a triangle • use when: know 2 other sides AND the ANGLE opposite to the side being solved >

Solving Angles -- when know ALL SIDES and no other angles

6

grade 12 trig 1.notebook

June 06, 2013

7