Unit Circle Practice
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Medium
Standards-aligned
PATRICIA CRUZ
Used 3+ times
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a coterminal angle?
Back
Coterminal angles are angles that share the same terminal side when drawn in standard position. To find a coterminal angle, you can add or subtract multiples of 360° (or 2π radians).
2.
FLASHCARD QUESTION
Front
How do you convert degrees to radians?
Back
Tags
CCSS.HSF.TF.A.1
3.
FLASHCARD QUESTION
Front
What is the value of cos(0°)?
Back
The value of cos(0°) is 1.
Tags
CCSS.HSG.SRT.C.7
4.
FLASHCARD QUESTION
Front
What is the value of sin(90°)?
Back
The value of sin(90°) is 1.
Tags
CCSS.HSG.SRT.C.7
5.
FLASHCARD QUESTION
Front
What is the value of tan(45°)?
Back
The value of tan(45°) is 1.
Tags
CCSS.HSG.SRT.C.7
6.
FLASHCARD QUESTION
Front
How do you find the reference angle for an angle in standard position?
Back
The reference angle is the acute angle formed by the terminal side of the given angle and the x-axis. For angles in the second quadrant, subtract from 180°; for the third quadrant, subtract from 180°; for the fourth quadrant, subtract from 360°.
7.
FLASHCARD QUESTION
Front
Back
Tags
CCSS.HSF.TF.A.1
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