Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.f(x) = sin3 x
A. 
sin x + 
sin 2x - 
sin 3x
B. 
sin x + 
sin 2x
C. 
sin x - 
sin 3x
D. 
sin x
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Graph the system of inequalities, and find the coordinates of the vertices.x - 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = sec x, y = tan x, x = 0, x = 
A. 
B. 
C. 
D. 
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Perform the indicated operations. 
A. -5 B. 4 C. 5 D. 35
Mathematics