Right Triangle Trigonometry Ratios

What can you find with trig ratios?

• Missing sides

• missing angles

• area of a triangle

• missing sides, angles and area of a triangle

What does SOH stand for

• hypotenuse over opposite

• adjacent over opposite
  opposite over adjacent

• opposite over hypotenuse

• adjacent over adjacent

What is the length of the adjacent side?

• 8

• 15

• 17

What is the ratio for sine?

• O/H

• H/A

• H/O

• O/A

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 is the length of the hypotenuse side?

• 8

• 15

• 17

What is the length of the opposite side?

• 8

• 15

• 17

Find tan(θ).

• tan(θ) = 5/13

• tan(θ) = 12/13

• tan(θ) = 12/5

• tan(θ) = 5/12

Find cosA.

• A

• B

• C

• D