Sine and Cosine Relationships

What is the ratio for Sine?

• Adjacent Leg / Opposite Leg 
• Opposite Leg / Hypotenuse
• Hypotenuse / Opposite Leg 
• Adjacent Leg / Hypotenuse

What is the ratio for Cosine?

• Opposite Leg / Adjacent Leg
• Opposite Leg / Hypotenuse
• Adjacent Leg / Hypotenuse
• Hypotenuse / Adjacent Leg

Choose the correct ratio.

• sinZ=5/13
• sinX=5/13
• cosX=13/12
• tanZ=12/5

Solve for the missing angle

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

Set up the problem so that you can solve for X.

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

Find the length of the missing side. 

• 25 cm
• 42 cm
• 52 cm
• 48 cm

Solve for x. Round to the nearest tenth.

• 74.9
• 3.6
• 63.5
• 54.1

Solve for x. Round to the nearest tenth.

• 19.0
• 20.0
• 21.0
• 20.5