What is the radius of the unit circle?
The Easiest Way to Memorize the Trigonometric Unit Circle

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Mathematics, Science
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0
1
pi
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the angle pi/6, what are the sine and cosine values?
Sine: 0, Cosine: 1
Sine: root 2/2, Cosine: root 2/2
Sine: root 3/2, Cosine: 1/2
Sine: 1/2, Cosine: root 3/2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a correct pattern for sine values in the first quadrant?
root 1/2, root 0/2, root 3/2, root 2/2, root 4/2
root 2/2, root 3/2, root 4/2, root 0/2, root 1/2
root 4/2, root 3/2, root 2/2, root 1/2, root 0/2
root 0/2, root 1/2, root 2/2, root 3/2, root 4/2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which quadrant do both sine and cosine values become negative?
Fourth Quadrant
Third Quadrant
Second Quadrant
First Quadrant
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the tangent of an angle using the unit circle?
Cosine divided by Sine
Cosine minus Sine
Sine divided by Cosine
Sine multiplied by Cosine
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cosecant of an angle if the sine is negative root 2/2?
Negative 2
2
Root 2
Negative root 2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an angle is 14 pi/3, what is the equivalent angle within the first circle rotation?
pi
2 pi/3
pi/3
4 pi/3
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