Reference Angles
Flashcard
•
Mathematics
•
11th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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16 questions
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1.
FLASHCARD QUESTION
Front
What are the positive trigonometric ratios in Quadrant I?
Back
All the above (sin θ, cos θ, tan θ)
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What is the reference angle?
Back
The reference angle is the acute angle formed by the terminal side of the angle and the x-axis.
3.
FLASHCARD QUESTION
Front
Find the cotangent of 120° using reference angles.
Back
-√3/3
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What is the reference angle for 125°?
Back
55°
5.
FLASHCARD QUESTION
Front
What are the positive trigonometric ratios in Quadrant IV?
Back
cos θ
Tags
CCSS.HSF.TF.A.2
6.
FLASHCARD QUESTION
Front
How do you find the reference angle for an angle in Quadrant II?
Back
Subtract the angle from 180°.
Tags
CCSS.HSF.TF.B.7
7.
FLASHCARD QUESTION
Front
How do you find the reference angle for an angle in Quadrant III?
Back
Subtract 180° from the angle.
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