1.   Which of the following is the sine of
   
    A. B.
    C. D.
    Hint

  2.   If , find .
    A. 3 B.
    C. D.
    Hint

  3.   Find cos P.
   
    A. B.
    C. D.
    Hint

  4.   Which is an example of a cofunction relationship?
    A. sin 30° = cos 60° B. sin 30° = sin 60°
    C. sin 30° = tan 60° D. sin 30° = cot 60°
    Hint

  5.   Use a calculator to determine the value of cos 42° 39'.
    A. 1.360 B. 0.736
    C. 0.678 D. 0.921
    Hint