Math III - 7.3 DHQ (3rd) 12/5
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the reference angle?
Back
The reference angle is the acute angle formed by the terminal side of a given angle and the x-axis. It is always positive and is measured in degrees or radians.
2.
FLASHCARD QUESTION
Front
How do you find the reference angle for an angle in the second quadrant?
Back
To find the reference angle for an angle in the second quadrant, subtract the angle from 180 degrees.
3.
FLASHCARD QUESTION
Front
How do you find the reference angle for an angle in the third quadrant?
Back
To find the reference angle for an angle in the third quadrant, subtract 180 degrees from the angle.
Tags
CCSS.HSF.TF.B.7
4.
FLASHCARD QUESTION
Front
How do you find the reference angle for an angle in the fourth quadrant?
Back
To find the reference angle for an angle in the fourth quadrant, subtract the angle from 360 degrees.
5.
FLASHCARD QUESTION
Front
What is the reference angle for 163 degrees?
Back
The reference angle for 163 degrees is 17 degrees (180 - 163).
6.
FLASHCARD QUESTION
Front
What is the reference angle for -43 degrees?
Back
The reference angle for -43 degrees is 43 degrees (add 360 to -43 to get 317, then 360 - 317 = 43).
7.
FLASHCARD QUESTION
Front
What is the reference angle for 73 degrees?
Back
The reference angle for 73 degrees is 73 degrees (since it is already in the first quadrant).
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