Trig Functions Test

Part I – No calculators

 

Directions: Work through the following problems. Note: this is not the only part of the test. Manage your time wisely!

 

  1. Fill in the following chart:

RADIANS

0

¹/6

¹/4

¹/3

¹/2

DEGREES

0

30

45

60

90

SINE

 

 

 

 

 

COSINE

 

 

 

 

 

TANGENT

 

 

 

 

 

 

Convert each angle in degrees to radians. Express your answer as a multiple of ¹.

2. 135¼                                                                         3. 15¼

 

 

 

 

Convert each angle in radians to degrees.

4.  2 ¹ / 3                                                                     5. -5 ¹ / 2

 

 

 

 

 

Find the exact value of each expression.

 

6. cos (¹/3) + sin (¹/2)                                                                        7. tan ¹ + sin ¹

 

 

 

 

8. cos 180¼ – tan (-45¼)                                                           9. sec 50¼ cos 50¼

 

 

 

 

10. sin 50¼ / cos 40¼