Let P ( t ) be the point on the unit circle U that corresponds
Question 1
Let P ( t ) be the point on the unit circle U that corresponds
to t. Find the coordinates of P.
Question 1 options:
x = 0, y = 0 

x = 1, y= 1 

x = 1, y = 0 

x =  1, y = 0 
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Question 2
Find the exact value of the trigonometric function cos t, if
possible.
Question 2 options:
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Question 3
Use a formula for negatives to find the exact value.
Question 3 options:
 1 

4 

0 

1 
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Question 4
Verify the identity by transforming the lefthand side into the
righthand side.
Question 4 options:
True 

False 
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Question 5
Question 5 options:
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Question 6
Find the exact value
Question 6 options:
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Question 7
Approximate to three decimal places
Question 7 options:
1.286 

0.086 

2.386 

2.716 
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Question 8
Approximate the acute angle to the nearest hundredth of a
degree.
Question 8 options:
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Question 9
Approximate, to the nearest 0.1^{o}, all angles in the interval
[ 0^{o}, 360^{o} ) that satisfy the equation
Question 9 options:
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Question 10
Points on the terminal sides of angles play an important part in the design of arms for robots. Suppose a robot has a straight arm 20 inches long that can rotate about the origin in a coordinate plane. If the robot's hand is located at (20, 0) and then rotates through an angle of 60 degrees, what is the new location of the hand?
Question 10 options:
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Rating:
5/
Solution: Let P ( t ) be the point on the unit circle U that corresponds