Inverse Trig Ratios

Inverse Trig Ratios

We use inverse trig functions to find angle measures.

(You will need a calculator)

Multiple Choice

Which side is the hypotenuse?

• 1
• 2
• 3

Multiple Choice

Which side is opposite angle x?

• 1
• 2
• 3

Multiple Choice

Which side is adjacent to angle x?

• 1
• 2
• 3

Multiple Choice

What is the ratio for Tangent

• $\frac{opp}{hyp}$

• $\frac{adj}{opp}$

• $\frac{opp}{adj}$

• $\frac{hyp}{opp}$

Multiple Choice

What is the ratio for Cosine?

• $\frac{opp}{hyp}$

• $\frac{opp}{adj}$

• $\frac{adj}{opp}$

• $\frac{adj}{hyp}$

Multiple Choice

What is the ratio for Sine?

• $\frac{hyp}{opp}$

• $\frac{opp}{hyp}$

• $\frac{opp}{adj}$

• $\frac{adj}{opp}$

Multiple Choice

Set up the problem...

• sin X = 41/28
• tan X = 41/28
• cos X = 28/41
• sin X = 28/41

Multiple Choice

Find each angle measure to the nearest degree.

• 22
• 21
• 20
• 19

Multiple Choice

Find each angle measure to the nearest degree.

• 64
• 67
• 62
• 60

Multiple Choice

Find each angle measure to the nearest degree.

• 83
• 89
• 80
• 88

Multiple Choice

Find each angle measure to the nearest degree.

• 33
• 35
• 30
• 31

Multiple Choice

Solve for the missing angle

• 32°
• 44°
• 61°
• 50°

Multiple Choice

Solve for the missing angle.

• 50.5 degrees
• 12.7 degrees
• 36.9 degrees
• 72.2 degrees

Multiple Choice

Solve for m∠S.

• 21
• 69
• 23
• 67

Multiple Choice

Solve for m∠N                                                                                                                                               

• 14
• 65
• 76
• 53

Multiple Choice

Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle.

• 49.6°

• 57.4°

• 45.8°

• 54.5°