Solve for the angle ?, where 0 ? ? ? 2?sin 2? - cos ? = 0
A. ? = 
, 
, 
, 
B. 
, 
, 
, 
C. ? = 
, 
, 
, 
D. 0, 
, ?, 
, 2?
Answer: A
Mathematics
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What will be an ideal response?
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
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Solve the problem.
is what percent?
A. 700% B. 70% C. 0.7% D. 7%
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