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anonymous
 5 years ago
What are the reference angles for 240, 7pi/5, and 3.85?
anonymous
 5 years ago
What are the reference angles for 240, 7pi/5, and 3.85?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Reference angle is the angle u measure from xaxis. For example, if you are given an angle of 380 degrees, you draw the angle. Thats just a line 20 degrees from the xaxis in the 1st quadrant, right? Now the referece ange is 20 degrees. Another example, if you are given an angle of 200 degrees, draw the angle. Thats a line in the 3rd quadrant, right? Now, you mesure the angle beween that line and the ve xaxis( that is the closest xaxis). It is 20 degrees. Reference angle is never negative. Ask me if you are still confused.
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