
Using cofunction identities and identity functions to find the values
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Mathematics
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11th Grade - University
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Practice Problem
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the sine of an angle represent on the unit circle?
The X coordinate
The angle itself
The Y coordinate
The radius
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the tangent of an angle expressed in terms of sine and cosine?
Sine divided by cosine
Cosine divided by sine
Sine multiplied by cosine
Cosine minus sine
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the tangent of 60 degrees?
sqrt(3)/2
sqrt(3)
1/2
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to cofunction identities, what is cosine of 30 degrees equal to?
Sine of 30 degrees
Sine of 60 degrees
Cosine of 60 degrees
Tangent of 30 degrees
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cotangent of 60 degrees after rationalizing the denominator?
sqrt(3)
1/3
sqrt(3)/3
1/sqrt(3)
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