Opposite and Adjacent Sides of a Right Triangle

What is the ratio for cosine?

• H/A

• O/A

• A/H

• A/O

What can you find with trig ratios?

• Missing sides

• missing angles

• area of a triangle

• missing sides and angles

What type of triangles do you use the trig ratios with?

• any type

• right triangle

• obtuse triangle

• acute triangle

Find sinA

• 32/24

• 24/32

• 24/40

• 32/40

Find cosA

• 30/16

• 30/15

• 30/34

• 16/34

Find tanZ

• 28/21

• 35/28

• 21/28

• 35/21

In SOHCAHTOA what does O stand for?

• Outside

• Opposite

• Over

• Order

From ∠C, what side is AB?

• Adjacent

• Hypotenuse

• Opposite

Find sinC

• 28/35

• 35/28

• 21/35

• 28/21