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Precalculus Quiz Review – Intro to Trig
Find the exact value of the following expressions:
 19 

 3 
 38 

 4 
2. cot  
3. sec 
 34 

 6 
5. cos(780)
6. cot 
 25 

 6 
8. tan 
 42 

 9 
9. sin 
 29 

 3 
11. cos 
1. sec 570
4. sin 
7. sec  
10. csc 
 41 

 6 
 13 

 2 
 27 

 2 
12. Determine the coordinates of the terminal point on the unit circle when  
31
6
13. What is the sec if the terminal side of  contains the point (5, 3)
14. Find the value of the five other trigonometric functions of  , given the tan   0 and cos  
15. Little Kaitlyn is thinking of an angle  , where csc   0 and cos   0 . What are the possible
values of  , explain how you know. Answer in radians.
2
5