Using triangles to evaluate for compositions of inverse functions

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Mathematics
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11th Grade - University
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step when given an angle and a point not on the unit circle?
Use the unit circle directly
Draw a triangle
Calculate the hypotenuse
Find the cosine
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which quadrants are relevant when considering the range of the inverse tangent function?
Third and fourth
First and fourth
Second and third
First and second
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the range of the inverse tangent function?
-π to π
0 to 2π
-π/2 to π/2
0 to π
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the hypotenuse of a triangle using the Pythagorean theorem?
Add the squares of the legs and take the square root
Multiply the legs and take the square root
Subtract the squares of the legs and take the square root
Divide the squares of the legs and take the square root
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the secant of an angle in a right triangle?
The reciprocal of tangent
The reciprocal of sine
The reciprocal of cotangent
The reciprocal of cosine
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be ensured when creating a triangle for evaluating the inverse of tangent?
It is in the second quadrant
It is in the correct quadrant
It is an equilateral triangle
It is a scalene triangle
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main steps in evaluating the inverse of tangent and secant?
Calculating the hypotenuse and finding the sine
Using the unit circle and finding the tangent
Finding the sine and cosine
Creating the correct triangle and evaluating the secant
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