Find all values of ? in [-4?, 4?] satisfying each of the following equations. tan ? = -1
A. ? = - 
, - 
, 
, 
B. ? = - 
, - 
, - 
, - 
, 
, 
, 
, 
C. ? = - 
, - 
, - 
, - 
, 
, 
, 
, 
D. ? = - 
, - 
, 
, 
Answer: B
Mathematics
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, x = 9
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