Answer:
The reference angle for the angle with measure -pi/4 is the angle pi/4
Step-by-step explanation:
The angle -pi/4 is in clockwise and the angle pi/4 is in counterclockwise
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The answer is D.9 , you just have to do an average wich is (12+6)÷2 and there you have it
Answer:
45
Step-by-step explanation: I added All the numbers together to get it .