Factor the trigonometric expression and simplify.1 - 2 sin2x + sin4x
A. (1 + tan2x)
B. sin2x
C. (1 - sin2x)
D. cos4x
Answer: D
Mathematics
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Graph the equation and its tangent.Graph y = 4x2 and the tangent to the curve at the point whose x-coordinate is -2.
A. 
B. 
C. 
D. 
Mathematics
Arrange the following real numbers in order from greatest to least.0.5, 0.
, 0.
, 0.5
, 0.5
, 
A. 0.5
, 0.
, 0.
, 0.5
, 0.5, 
B. 0.
, 0.5
, 0.5
, 
, 0.
, 0.5
C. 0.5
, 0.
, 0.5
, 0.
, 
, 0.5
D. 0.5
, 0.5
, 0.
, 0.
, 
, 0.5
Mathematics
If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.r = 8.7 inches, ? = 225°, s = ?
A. 34.3 in. B. 34.4 in. C. 34.5 in. D. 34.2 in.
Mathematics
Fill in the missing numbers.
A. 
B. 
C. 
D. 
Mathematics