Reference Angles & Co-terminal Angles

What direction do positive angles rotate?

• counter-clockwise ("up")

• clockwise ("down")

What direction do negative angles rotate?

• counter-clockwise ("up")

• clockwise ("down")

Is the angle shown positive or negative?

• positive

• negative

Which of the following graphs is most likely to be the following angle? (Hint: Make sure to pay attention to the direction arc.)

 $-295\degree$  

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• 
• 
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Which of the following measurements is most likely to be the angle shown? (Hint: Make sure you pay attention to the direction of the angle.)

•  $-75\degree$  

•  $300\degree$  

•  $45\degree$  

•  $198\degree$  

What is the name of the greek symbol shown below?

 $\theta$  

• delta

• gamma

• pi

• theta

What quadrant is the angle shown located in?

• Q1

• Q2

• Q3

• Q4

Mathematical Equivalence

ON