9.6 Extra Practice

Which one is the easy trick to remember trigonometric ratios?

• SAH COH TOA

• SOH CAH TOA

• SOH CAH TAO

• SOH CEH TOA

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

• Any triangle ever
• Non-right triangles only
• Right Triangles only
• Never

Which trigonometric ratio is correct?

• cosC= adj/hyp
• sinC= adj/hyp
• tanC= adj/hyp
• tanC=adj/opp

What is the ratio for Sine?

• $\frac{hyp}{opp}$

• $\frac{opp}{hyp}$

• $\frac{opp}{adj}$

• $\frac{adj}{opp}$

What is the ratio for Tangent

• $\frac{opp}{hyp}$

• $\frac{adj}{opp}$

• $\frac{opp}{adj}$

• $\frac{hyp}{opp}$

Match the following

• Cos A

• Tan A

• Tan C

• Size of Angle B

• Sin A

Match the following

• Tan X

• Sin Z

• Cos Z

• 180

• Area of the triangle

• Tan Z

How would you find the value of the angle denoted by "?"

• Apply the inverse sine

• Apply the inverse cosine

• Apply the inverse tangent

• Apply the Pythagorean Theorem

What is the correct set up for the problem to find the measure of the indicated angle?

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

What is the most efficient way to find "x"?

• Inverse sine

• Inverse cosine

• Inverse tangent

• Pythagorean Theorem