Laws of Sines and Cosines

Which Law would you use to find side length BC?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• SOHCAHTOA

Which Law would you use to solve for side AC?

• Law of Sines

• Law of Cosines

• Newton's Laws

• SOHCAHTOA

What is the length of side x?

• 130 cm

• 112 cm

• 150 cm

• 105 cm

• 7.4

• 8.2

• 8.8

• 9.5

10. Which law should I use for the given triangle?

• Law of Sines then switch to Law of Cosines

• Law of Sines only

• Law of Cosines only

• Law of Cosines then switch to Law of Sines

• None, use Right Triangle Trig

• Law of Sines AFTER testing for #of Triangles

Use the Law of Sines to solve for side a.

Round your answer to the nearest hundredth.

Mathematical Equivalence

OFF

Which law should I use for the given triangle?

• Law of Sines AFTER testing for #of Triangles

• Law of Cosines only

• Law of Sines then switch to Law of Cosines

• Law of Sines only

• None, use Right Triangle Trig

• Law of Cosines then switch to Law of Sines

Which law should I use for the given triangle?

• Law of Sines AFTER testing for #of Triangles

• Law of Cosines only

• Law of Sines then switch to Law of Cosines

• Law of Sines only

• None, use Right Triangle Trig

• Law of Cosines then switch to Law of Sines

​​ ​ (a)   12. Which law should I use for the given triangle? ​

• Law of Sines then switch to Law of Cosines

• Law of Sines only

• Law of Cosines only

• Law of Cosines then switch to Law of Sines

• None, use Right Triangle Trig

• Law of Sines AFTER testing for #of Triangles

Use law of Sines to find side c.

Round your answer to the nearest hundredth

Mathematical Equivalence

OFF