
Polar Coordinates and Trigonometric Functions

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main components of polar coordinates?
x and y
r and theta
a and b
m and n
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which quadrant is the angle 11π/6 located?
First quadrant
Third quadrant
Fourth quadrant
Second quadrant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a valid representation of the same point as 11π/6 in polar coordinates?
π/2
5π/6
2π/3
23π/6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you find infinite representations of a point in polar coordinates?
By changing the radius
By adding or subtracting multiples of π
By changing the angle to its complement
By adding or subtracting multiples of 2π
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you reflect a point across the origin in polar coordinates?
The point moves to the opposite quadrant
The radius becomes negative
The angle becomes negative
The angle doubles
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of multiplying the radius by a negative number in polar coordinates?
It moves the point to a different quadrant
It reflects the point across the origin
It doubles the radius
It changes the angle
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which trigonometric function is used to calculate the x-coordinate in polar coordinates?
Sine
Cotangent
Cosine
Tangent
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