Precalculus A Final Exam (CR)

What is cos 60°?

• ½
• ^√3/₂
• ^√2/₂
• 1

What is the radius of the unit circle?

• 0
• 1
• 1/2
• √2/2

Which of the following shows  $150\degree$  in standard positon?

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• 
• 
• 

How many radians is

 $180\degree$  ?

•  $\frac{\pi}{2}$  

•  $2\pi$  

•  $\pi$  

•  $\frac{\pi}{4}$  

Sine or Cosine?

• y=sinx
• y=cosx
• what's the difference?
• it's all waves to me

Select the tangent graph.

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• 
• 

Sine or Cosine?

• y=sinx
• y=cosx

What are the maximum and minimum values of the function

 $f\left(\theta\right)=\sin\left(\theta\right)$  ?

• 0 and 1

• 1 and -1

• 0 and -1

• 0 and 360

What are the vertical asymptotes for y = tan(x)?

• x = ... pi/2, 3pi/2, ....

• x = ... 0, pi, 2pi, ....

• There are no vertical asymptotes.

• x = infinity, x = - infinity

• y = sin x
• y = cos x
• y = arcsin x
• y = arccos x