Precalculus A
Unit 5.1-5.3 Pre-Test
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4
33 
1.. If t is a real number and P   , 
 is the point on the unit circle that
7 
7
corresponds to t. Find the exact value of csc t.
2. Convert 

8
to degrees.
3. Convert 260 to radians.
4. A point (2, 7) is on the terminal side of an angle  . Find sin  .
Evaluate.
5. sin

6
8. sec  120o 
6. cos 150o 
 5 
7. tan 

 3 
 
9. tan  
2
10. cot
Find the exact value of each expression.


11. sin  cos
12. sin 330 sin 270
3
6
8
and tan θ < 0, find the exact value of the following
9
trigonometric functions:
13. Given that cos θ =
a. sin θ
b. csc θ
d. tan θ
e. sec θ
c. cot θ
19
4
14. Find the exact value of cos 20 sec 20
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15. Convert 69o 28’ 18” to degrees as a decimal rounded to the nearest hundredth.
16. Find the measure of the central angle in radians. Use the formula s = rθ where s is
the arc length, r is the radius of the circle and θ is the central angle in radians.
Round your answer to the nearest hundredth.
2
3.5
17. Change   87 o into radians. Write your answer two ways:
a. In terms of  with a reduced fraction
b. As a decimal rounded to the nearest hundredth.
18. Find sec 50o rounded to the nearest hundredth.
19. Find csc

8
rounded to the nearest hundredth.
2
and tan θ < 0, find the exact value of the following
3
trigonometric functions:
20. Given that sin θ =
a. cos θ
b. csc θ
d. tan θ
e. sec θ
c. cot θ