Trig Applications and Unit Circle Quick Check

Flashcard
•
Mathematics
•
10th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the value of cos(5π/3)?
Back
1/2
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What are the exact coordinates of 3π/4 on the unit circle?
Back
(−√2∕2, √2∕2)
Tags
CCSS.HSF.TF.A.2
3.
FLASHCARD QUESTION
Front
What is the value of sin(π/2)?
Back
1
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What is the value of cos(30°)?
Back
√3/2
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
What is 7π/4 radians in degrees?
Back
315°
Tags
CCSS.HSF.TF.A.1
6.
FLASHCARD QUESTION
Front
Define the unit circle.
Back
A circle with a radius of 1 centered at the origin of a coordinate plane.
Tags
CCSS.HSF.TF.A.2
7.
FLASHCARD QUESTION
Front
What is the sine of an angle in the unit circle?
Back
The y-coordinate of the point where the terminal side of the angle intersects the unit circle.
Tags
CCSS.HSF.TF.A.2
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