How to use the unit circle to evaluate for cotangent when undefined

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the period of sine and cosine functions?
180 degrees
360 degrees
2π
π
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are coterminal angles?
Angles that have different initial sides
Angles that are always 90 degrees apart
Angles that have the same initial and terminal sides
Angles that are always 180 degrees apart
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can angles greater than 360 degrees be expressed?
As a product of periods
As a single period
As a sum of periods
As a difference of periods
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cotangent of -720 degrees equivalent to?
Cotangent of 90 degrees
Cotangent of 180 degrees
Cotangent of 0 degrees
Cotangent of 360 degrees
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the cotangent of 0 degrees undefined?
Because it is equal to 0
Because it is equal to infinity
Because it is equal to 1
Because it involves division by zero
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