Using a parametric graph of the unit circle, find the function value.cos 
A. -0.4142
B. -0.3827
C. 0.9239
D. -2.4142
Answer: B
Mathematics
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Find the transformation from the uv plane to the xy plane.u = x + 9y, v = x - 9y
A. x = 
, y = 
B. x = 
, y = 
C. x = 
, y = 
D. x = 
, y = 
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Determine an equation that models the data best.
A. y = 
x - 
B. y = - 
x - 
C. y = - 
x - 
D. y = 
x - 
Mathematics
Find the cross product a x b.
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Decide if the function is linear.4x + 2y = 3
A. Yes B. No
Mathematics