9B - Trigonometric Functions

What is the ratio for Sine?

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

What is the ratio for Tangent?

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

                                                                                                                               
                                          Solve for DE

• 36.5
• 18.8
• 8.5
• 7.9

Find m∠N                                                                                                                                               

• 14
• 65
• 76
• 53

What is the ratio for Cosine?

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

 $\tan\left(\theta\right)$  of an angle,  $\theta$ can be expressed as which of the following?

•  $\frac{opposite}{hypotenuse}$  

•  $\frac{opposite}{adjacent}$  

•  $\frac{\sin\left(\theta\right)}{\cos\left(\theta\right)}$  

•  $\frac{hypotenuse}{adjacent}$  

Given that angle C is the reference angle, which is the hypotenuse?

• 8

• 15

• 17

Given that angle C is the reference angle, which is the opposite side?

• 8

• 15

• 17

Given that angle C is the reference angle, which is the adjacent side?

• 8

• 15

• 17

Choose the correct ratio.

• cos(33)=x/14
• sin(33)=x/14
• cos(33)=14/x
• sin(33)=14/x