Multiple Choice
If x = tan , express sin(2 ) and cos(2 ) as rational functions of x.
A) sin(2 ) =
, cos(2 ) = 
B) sin(2 ) =
, cos(2 ) = 
C) sin(2 ) =
, cos(2 ) = 
D) sin(2 ) =
, cos(2 ) = 
E) sin(2 ) =
, cos(2 ) =
Correct Answer:
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