Evaluating Inverse Trigonometric Functions

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Mathematics
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11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in evaluating an inverse cosine function?
Use a calculator to find the value
Determine the range and understand the question
Calculate the tangent of the angle
Find the sine of the angle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why must the angle fall within the range of 0 and π?
To simplify the calculation
To avoid negative values
To ensure the angle is in the third quadrant
To match the range of the inverse cosine function
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the cosine of an angle related to the unit circle?
It is the angle in degrees
It is the X coordinate of the point
It is the radius of the circle
It is the Y coordinate of the point
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angle whose cosine is 1/2?
π/2
π/4
π/3
π
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the inverse cosine of 1/2?
π
π/2
π/3
π/4
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