Unit Circle & Trig (BASIC)
Flashcard
•
Mathematics
•
10th Grade - University
•
Hard
Standards-aligned
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16 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of the unit circle?
Back
The unit circle is a circle with a radius of 1 centered at the origin (0,0) in the coordinate plane, used to define trigonometric functions.
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What are the coordinates of the point on the unit circle at an angle of 0 degrees?
Back
(1, 0)
Tags
CCSS.HSF.TF.A.2
3.
FLASHCARD QUESTION
Front
What is the sine function in terms of the unit circle?
Back
The sine of an angle is the y-coordinate of the point on the unit circle corresponding to that angle.
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What is the cosine function in terms of the unit circle?
Back
The cosine of an angle is the x-coordinate of the point on the unit circle corresponding to that angle.
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
What is the tangent function in terms of sine and cosine?
Back
Tags
CCSS.HSF.TF.A.2
6.
FLASHCARD QUESTION
Front
Back
1
Tags
CCSS.HSF.TF.A.2
7.
FLASHCARD QUESTION
Front
Back
Tags
CCSS.HSF.TF.A.2
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