Unit Circle Flashcard
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the order of the coordinate pairs for the points on the Unit Circle?
Back
The order is (cos(θ), sin(θ)).
2.
FLASHCARD QUESTION
Front
True or False: Only the cosine trig function is positive in Quadrant II.
Back
False. In Quadrant II, sine is positive.
3.
FLASHCARD QUESTION
Front
How many radians make up a SEMICIRCLE?
Back
A semicircle is equal to radians.
4.
FLASHCARD QUESTION
Front
True or False: All trig functions are positive in Quadrant IV.
Back
False. In Quadrant IV, only cosine and secant are positive.
5.
FLASHCARD QUESTION
Front
What is the value of sin(90°)?
Back
sin(90°) = 1.
6.
FLASHCARD QUESTION
Front
What is the value of cos(0°)?
Back
cos(0°) = 1.
7.
FLASHCARD QUESTION
Front
What is the value of tan(45°)?
Back
tan(45°) = 1.
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