

1. 
The volume of the cube is 512 cubic centimeters. What is the length of one side? 





A. 
170 cm 
B. 
256 cm 


C. 
8 cm 
D. 
23 cm 


Hint 


2. 
In the triangle, sin A = ____. 





A. 

B. 



C. 

D. 
5 


Hint 


3. 
Find the value of cos 62° to the nearest tenthousandth. 


A. 
0.4695 
B. 
0.8988 


C. 
0.8829 
D. 
1.8807 


Hint 


4. 
Find the value of n to the nearest degree. 





A. 
45° 
B. 
90° 


C. 
53° 
D. 
37° 


Hint 


5. 
State the amplitude and the period for y = 2 cos . 


A. 
amplitude = 2, period = 180° 
B. 
amplitude = 2, period = 4 


C. 
amplitude = 2 , period = 
D. 
amplitude = 2, period = 4 


Hint 


6. 
A long ramp that leads to a building entrance is 45 feet. The stairs to the entrance have a vertical height of 6 feet. What is the angle of incline of the ramp? 


A. 
about 4° 
B. 
about 10° 


C. 
about 18° 
D. 
about 8° 


Hint 


7. 
A long ramp that leads to a building entrance is 45 feet. The stairs to the entrance have a vertical height of 6 feet. What is the angle of incline of the ramp? 


A. 
about 10° 
B. 
about 8° 


C. 
about 18° 
D. 
about 4° 


Hint 


8. 
Find sin 225° by drawing a reference angle. 


A. 

B. 



C. 
1 
D. 



Hint 


9. 
Find sin 450° by drawing a reference angle. 


A. 

B. 



C. 
1 
D. 



Hint 


10. 
What is the period and amplitude for the graph 


A. 
period is 180°amplitude is 2 
B. 
period is 360°amplitude is 2 


C. 
period is 60°amplitude is 1 
D. 
period is 360°amplitude is 1 


Hint 


