Identifying Trig Ratios in Right Triangles

Fill in the blank...
SOH ___ TOA

• COH

• CAH

• COA

• CHA

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

What is the ratio for cosine?

• H/A

• O/A

• A/H

• A/O

Which Trig function do you use?

• Sine

• Cosine

• Tangent

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

What is the value of x?

• 4.20

• 7.32

• 0.14

• 4.91

What is the value of x?

• 25

• 13.23

• 5.36

• 625

What is the value of x?

• 6 < x < 30

• 21.63

• 13.42

• 30 < x < 6

Classify a triangle with side lengths 20, 25, and 15.

• Acute

• Right

• Obtuse

• Equilateral

Find the ratio for sinA. (Reduce the fraction)

• 36/27

• 4/5

• 36/45

• 3/5